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100644 index 0000000..5c88ade --- /dev/null +++ b/_sources/index.rst.txt @@ -0,0 +1,10 @@ +Vala Documentation +================== + +This is the Vala Documentation website + +.. toctree:: + :hidden: + + Tutorial + diff --git a/_sources/tutorial/01-00-introduction.rst.txt b/_sources/tutorial/01-00-introduction.rst.txt new file mode 100644 index 0000000..700df1e --- /dev/null +++ b/_sources/tutorial/01-00-introduction.rst.txt @@ -0,0 +1,28 @@ +Introduction +============ + +Vala is an object-oriented programming language with a self-hosting compiler that generates C code and uses the GObject type system. + +Vala is designed to allow access to existing C libraries, especially GObject-based libraries, without the need for runtime bindings. + +All that is needed to use a library with Vala is an API file, containing the class and method declarations in Vala syntax. + +Vala currently comes with bindings for GLib and GTK+ and many others from the GNOME Platform. + +Vala can also be used to create C libraries too. + +The syntax of Vala is inspired by C# and Java, so if you have used either of those, you'll seamlessly adapt to writing Vala code. + +Why Vala? +--------- + +- Comfortably write your code in an object-oriented way with high level abstractions, while having access to deep integrations with GNOME technolgies such as: GObject, GTK and more! +- Vala compiles code down to blazingly fast, fully native binaries. You're also able to reuse existing C Code in your Vala programs as well as generate C Code from Vala. +- Vala is free and open-source software. It has a great community that contributes to the compiler and develops lots of tooling. + +Who is this tutorial for? +------------------------- + +This tutorial is for anybody intrested in learning Vala. This tutorial is written +with the assumption that the reader is a beginner at programming so we do make an +effort to explain programming concepts and practices throught the tutorial. diff --git a/_sources/tutorial/02-00-getting-started.rst.txt b/_sources/tutorial/02-00-getting-started.rst.txt new file mode 100644 index 0000000..6c44796 --- /dev/null +++ b/_sources/tutorial/02-00-getting-started.rst.txt @@ -0,0 +1,15 @@ +Getting Started +=============== + +In this chapter, we will: + +- Explain how to Install Vala +- Guide you through writing your first Vala Program +- Teach techniques that will help you fix errors in Vala programs + +.. toctree:: + :hidden: + + Installation <02-01-installation> + Hello World <02-02-hello-world> + Basic Debugging <02-03-basic-debugging> diff --git a/_sources/tutorial/02-01-installation.rst.txt b/_sources/tutorial/02-01-installation.rst.txt new file mode 100644 index 0000000..3a78628 --- /dev/null +++ b/_sources/tutorial/02-01-installation.rst.txt @@ -0,0 +1,115 @@ +Installation +============ + +Vala is available on multiple operating systems. Follow the isntallation instructions below for your operating system. + +.. _linux: + +Linux +----- + +Vala is available on a large variety of Linux distributions. +Mostly you want to install other development files for libraries, that you want to use with vala. + +Fedora +~~~~~~ + +Development files usually come in ``*-devel`` packages, for example ``libgee-devel``. + +.. code-block:: console + + $ sudo dnf install vala + +Debian +~~~~~~ + +You need to install ``*-dev`` packages, to get development files on Debian. + +.. code-block:: console + + $ sudo apt install valac + +Arch Linux +~~~~~~~~~~ + +.. code-block:: console + + $ sudo pacman -S vala + +\*BSD +----- + +First you install the port: + +.. code-block:: console + + $ cd /usr/ports/lang/vala/ && make install clean + +And then you can add the package: + +.. code-block:: console + + $ pkg install vala + +Windows +------- + +MSYS2 +~~~~~ + +MSYS2 provides a Linux-like environment for Windows. First install `MSYS2 `__, +then vala: + +.. code-block:: console + + $ pacman -S mingw-w64-x86_64-gcc + $ pacman -S mingw-w64-x86_64-pkg-config + $ pacman -S mingw-w64-x86_64-vala + +You also need to install all libraries you want to use individually. + +Windows Subsystem for Windows (WSL) +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Install a Linux distribution in WSL and then go on with the :ref:`installation instructions for Linux `. + +Mac OS X +-------- + +To install Vala on you can use `brew `__, a package manager for OS X: + +.. code-block:: console + + $ brew install vala + +Verifying the Installation +-------------------------- + +If you installed everyting correctly, if enter this line in your terminal: + +.. code-block:: console + + $ valac --version + +A line like this should be printed in the terminal: + +.. code-block:: output + + Vala x.xx.x + +If you don't see any version number and instead see something like along the lines of ``The command 'valac' is not recognised`` or any other error, this means that Vala has not been installed correctly. + +Please ensure that you've followed the installation instructions above and try again. + +.. warning:: + + The minimum required Vala version for this tutorial is 0.56.0. You must have this version (or a higher version number) of Vala installed after following the instructions below + + If not, we can't guarantee that anything we've explained in this tutorial will work on your system. + +If you are struggling to either: + +- Install Vala +- Meet the minimum required Vala version requirement + +`Try asking the community for help `_. diff --git a/_sources/tutorial/02-02-hello-world.rst.txt b/_sources/tutorial/02-02-hello-world.rst.txt new file mode 100644 index 0000000..0c9f86f --- /dev/null +++ b/_sources/tutorial/02-02-hello-world.rst.txt @@ -0,0 +1,150 @@ +Hello World +=========== + +In this section, we'll: + +- Explain the steps for you to create directories on your system, where you'll store the Vala programs you will be creating in this tutorial +- Help you create our first Vala program +- Teach you the essential parts that make up a Vala program +- Breifly explain how Vala relates to the C Programming Language + + +Setting up your directories +--------------------------- + +Firstly, you'll create a directory where you'll store all of your Vala projects for this tutorial. +We suggest making one in your home directory. + +Open a terminal and enter the commands below to create a ``ValaProjects`` directory in your home directory and ``HelloWorld`` directory inside of the ``ValaProjects`` directory. + +On Unix-based systems (Linux, macOS, \*BSD, etc.) and Powershell in Windows, enter these commands: + +.. code-block:: console + + $ mkdir ~/ValaProjects + $ cd ~/ValaProjects + $ mkdir HelloWorld + $ cd HelloWorld + +If you are using CMD in Windows, enter these commands: + +.. code-block:: doscon + + > mkdir "%USERPROFILE%\ValaProjects" + > cd /d "%USERPROFILE%\ValaProjects" + > mkdir HelloWorld + > cd HelloWorld + +Creating your first Vala program +-------------------------------- + +Next, create make a new Vala source file inside the ``HelloWorld`` directory called ``main.vala``. This is where you'll write the code for you first Vala program. + +Now in ``main.vala``, add the following code below: + +.. code-block:: vala + :caption: main.vala - A program that prints "Hello, world!" + + public static void main () { + print ("Hello, world!\n"); + } + +.. note:: + + In this tutorial, Vala code will be indented with 4 spaces since all Vala code written in this tutorial will follow the `elementary coding style `_ (unless specified otherwise). + +After you've added the code above to the ``main.vala`` source file, save the file then, return to your terminal you opened earlier. + +On Unix-based systems (Linux, macOS, \*BSD, etc), enter the following commands to build and run the file: + +.. code-block:: console + + $ valac main.vala + $ ./main + +If you're using Windows, you need to replace ``.\main.exe`` instead of ``.\main`` when entering the commands: + +.. code-block:: doscon + + > valac main.vala + > ./main.exe + +You should see the following line added to your terminal: "Hello, world!". + +You've successfully created your first Vala program. Congratulations! + +What just happened? +------------------- + +Let's break down the anatomy of the program you've just created so that you can understand what just happened. + +.. code-block:: vala + :emphasize-lines: 1, 3 + + public static void main () { + print ("Hello, world!\n"); + } + +The highlighted lines above define a **method** in Vala; A method is a block of code that contain code for the program to execute when called. + +The ``main`` **method** in Vala is special becasue it's the first **method** that runs in a Vala program. The program automatically calls the ``main`` **method** first. + +We'll explain ``public``, ``static`` and ``void`` in later chapters. + +The curly brackets (``{}``) define the start and end of the **method** body. Our program runs the code written in each line between the curly brackets for the ``main`` **method**. + +The ``main`` **method** contains the following code: + +.. code-block:: vala + :emphasize-lines: 2 + + public static void main () { + print ("Hello, world!\n"); + } + +The highlighted line above line prints the "Hello, world!" text on the screen. + +``print`` is also a method. Unlike the ``main`` method, you are calling the ``print`` method yourself. + +"Hello, world!\\n" is a **string**; A **string** is a sequence of characters such as letters, numbers, symbols and spaces. We'll go into more details about strings in the next chapter. + +You passed in the "Hello, world\\n" **string** into the ``print`` method as an argument to specify the **string** we want to be displayed in the terminal; An argument is a piece of information that may be used in an program. We'll go into more detail about arguments in methods in later chapters. + +However, "\\n" wasn't actually displayed when we ran the program. This is because "\\n" is a special type of character called an "escape sequence". "\\n" adds a new line to the terminal. + +If you build and run the program without "\\n", What ever is added next in the terminal will start on the same line as "Hello, world!". We'll find out more about escape sequences in later chapters. + +The Vala Compiler +----------------- + +.. code-block:: console + + $ valac main.vala + +The line above is tells the Vala compiler to build the program with the code we've written in ``main.vala``. + +This step is completely separate from running your code with ``./main`` or ``./main.exe``. + +Once your program has been built successfully, we can run it any time without having to compile again. + +The compiler program ``valac`` is fine for small projects however, once you start working on bigger, more complex projects, we'll introduce a build system that you'll work with instead of using ``valac`` directly. + +The relationship between Vala and C +----------------------------------- + +When you enter the command: ``valac main.vala``, ``valac`` performs the following steps: + +1. Generate C Code from the Vala code we've written +2. Call the C Code compiler on installed on our system to build an binary executable from the generate C Code. + +Normally, when compiling your code with ``valac``, you don't notice step 1 however, you can actually see the generated C code by adding the ``-C`` flag to ``valac`` commands. + +If you run: + +.. code-block:: console + + $ valac -C main.vala + +Instead of an new exectuable file being created, a file called ``main.c`` will be created instead. This is the generated C code from step 1. + +Details on working with C Code are out of the scope of this tutorial however, this is key to understanding how some of the language's features are possible later chapters. diff --git a/_sources/tutorial/02-03-basic-debugging.rst.txt b/_sources/tutorial/02-03-basic-debugging.rst.txt new file mode 100644 index 0000000..61e9cfa --- /dev/null +++ b/_sources/tutorial/02-03-basic-debugging.rst.txt @@ -0,0 +1,186 @@ +Basic Debugging +=============== + +There may be moments where your code contains errors. Some of these errors will stop your code from compiling or operating correctly. + +In this section, we will: + +- Teach you some common types of errors you may encounter when creating Vala programs +- Provide you with tips on how to fix errors in Vala programs + +Reusing your first program +-------------------------- + +You'll be reusing the Hello World program from our the previous section. + +It looked like this: + +.. code-block:: vala + :caption: main.vala - A program that prints "Hello, world!" + + public static void main () { + print ("Hello, world!\n"); + } + +Errors +------ + +You are now going to add errors to the Hello World program on purpose. + +Replace the code written in ``main.vala`` with the code below: + +.. code-block:: vala + :caption: main.vala - A Hello World program with errors + + public static void main () { + print (Hello, world) + } + +Now build the code with ``valac``. + +You'll see the following error displayed: + +.. code-block:: output + + main.vala:2.24-2.24: error: syntax error, following expression/statement delimiter `;' missing + 2 | print (Hello, world) + | ^ + Compilation failed: 1 error(s), 0 warning(s) + +In Vala, a `syntax error` is when there the compiler doesn't read the a sequence of characters in our code in the order that it expected it. + +We mentioned in the previous section that a semicolon (``;``) lets the compiler know when an expression has ended. The semiclolon is the "expression/statement" delimiter the syntax error is referring to. + +``2.24-2.24`` refers to the location range in ``main.vala`` where the compiler spotted the error. It's in the format: ``START_LINE_NUMBER.CHARACTER_NUMBER-END_LINE_NUMBER.CHARACTER_NUMBER```. + +You can use this to find help you navigate to exactly where the error occured in your code. + +.. tip:: + + Your code editor may have features that that take you to the exact postiion in your code where, the compiler mentioned the error occured. + +Add back the the semicolon to the end of the line so the compiler can read that line containing the ``print`` method: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print (Hello, World); + } + +Now, try to build the Hello World program again. + +.. code-block:: output + + main.vala:2.12-2.16: error: The name `Hello' does not exist in the context of `main' + 2 | print (Hello, world); + | ^~~~~ + main.vala:2.19-2.23: error: The name `world' does not exist in the context of `main' + 2 | print (Hello, world); + | ^~~~~ + Compilation failed: 2 error(s), 0 warning(s) + +The compiler is now able to read the line containing the ``print`` method and has now +discovered two new errors. + +The speech marks (``""``) around ``Hello, world`` have been removed so, the compiler doesn't see +the string "Hello, World" anymore. Instead, it tried to find out if ``Hello`` and ``world`` have been +defined in the language or in our code anywhere but. The compiler fails to find definitions for ``Hello`` and ``world`` so the compiler displays multiple errors that that ``Hello`` and ``world`` do not exist. + +You can fix this by adding back the speech marks to opening and closing speech marks to ``Hello, world`` so it looks like this: ``"Hello, world"``. + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print ("Hello, world"); + } + +Now, when you try to build our code, it'll compile successfully. + +However, running the code prints "Hello, world" without a new after it. Addition information added to the terminal continues right after "Hello, world". + +Although the program is correct, the resulting ouptut is not what we wanted. This is a logic error. + +This can be easily fixed by adding "\\n" at the end of "Hello, world" string. + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print ("Hello, world\n") + } + +Now, if you compile and run the code, it prints "Hello, world" then, adds a new line. + +Personalising the program +------------------------- + +Now, you'll change the logic of the Hello World program so that it's unique to you. + +Replace the word ""world" in the "Hello. world" string with your own name. + +For somebody named "Colin", this is what their code would look like: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print ("Hello, Colin\n"); + } + +Now, if you compile and run the program, in your terminal, "Hello, ${YOUR_NAME}" will be printed. +The code block above will print: "Hello, Colin" to the terminal. + +Describing what our code does +----------------------------- + +Now that you've changed what our code does, you'll now explain what it does using comments. + +.. code-block:: vala + + // In Vala, this line is a comment. + +The ``//`` characters at the beginning of the line is tells the compiler that the line above is a comment. +so the compiler ignores the line when reading your code and moves on the next line. + +You can use comments to describe what our code is doing. This is really helpful for: + +- Explaining what the code that isn't obvious when just looking at it. +- Making easier for other people to understand what you're code is doing. +- Helping you remember what code does when reading it again after a long period of time. +- Explaining why the code was written. + +Comments are one of the ways you can reduce errors in our code. + +Now add a comment to your personalised Hello World program. + +For somebody named "Colin", this is what their code would look like: + +.. code-block:: vala + :caption: main.vala + + // Prints the line "Hello, Colin" to the terminal." + public static void main () { + print ("Hello, Colin\n"); + } + +In your code, you'd replace "Colin" with whatever name you used in your program. + +If you compile and run the code now, nothing about how the program works will change. + +Summary +------- + +Congratulations! You've learned how to: + +- Write your Vala program (Hello World) +- Compile a Vala program using ``valac``. +- Fix errors in your program by reading the compiler's error messages +- Add comments to your code + +Now that you know how to fix errors, feel free to experiment with your Hello World program. + +You've finished this chapter. In the next chapter we'll go into much more detail about +data types such as: `int`, `string` and more, as well as teach you how to create more intresting programs using +control structures. diff --git a/_sources/tutorial/03-00-data-types-and-control-structures.rst.txt b/_sources/tutorial/03-00-data-types-and-control-structures.rst.txt new file mode 100644 index 0000000..d9d637d --- /dev/null +++ b/_sources/tutorial/03-00-data-types-and-control-structures.rst.txt @@ -0,0 +1,27 @@ +Data Types and Control Structures +================================= + +In this chapter we will: + +- Explain what a variable is +- Cover the various data types in Vala such as ``string``, ``int`` and more. +- Introduce conditional operators +- Introduce ways of changing the flow of your Vala programs. + +.. warning:: + + From now on, we'll be going into much more detail about concepts. + + If you ever feel overwhelmed during this tutorial, that's okay. We recommend the following actions: + + - Re-reading infomration about topics you are struggling to understand + - Taking a break (you can continue this tutorial at a later time) + +.. toctree:: + :hidden: + + Variables <03-01-variables> + Numbers <03-02-numbers> + Booleans and if-statements <03-03-bools-and-ifs> + Enums and Switch Statements <03-04-enums-and-switch-statements> + Loops <03-05-loops> \ No newline at end of file diff --git a/_sources/tutorial/03-01-variables.rst.txt b/_sources/tutorial/03-01-variables.rst.txt new file mode 100644 index 0000000..39074cc --- /dev/null +++ b/_sources/tutorial/03-01-variables.rst.txt @@ -0,0 +1,42 @@ +Variables +========= + +In this section, we'll: + +- Explain what a variable in Vala is +- Show you different ways of using variables + +What's a variable? +------------------ + +A variable in Vala stores data and can be referred to using its identifier. + +Here's an example of a variable below: + +.. code-block:: vala + + string my_name = "Sara"; + +The line above is a variable assignment. + +Let's breakdown each part of the variable assignment: + +- ``string`` is the data type of the variable. The data type determines the values you are allowed to set the variable to. You used a **string** to tell the program what text to display in your terminal in your Hello World program. +- ``my_name`` is the identifier of the variable. To refer to the variable in your code, you need to use ``my_name``. +- ``"Sara"`` is the value of the variable. + +Why use variables? +------------------ + +Some of the benefits of variables are: + +- Making your code easier to read (An identifier can provide context to the value stores) +- Easily reusing the same value multiple times in your code + +In the next sections of this chapter, you'll create multiple programs that use variables. + +.. tip:: + + There may be times when you don't want to or don't need to write the data type of the variable. + + You can use the ``var`` keyword instead of the variables data type instead. When you do this, the compiler will automatically deterimine the data type of the variable for you. \ No newline at end of file diff --git a/_sources/tutorial/03-02-numbers.rst.txt b/_sources/tutorial/03-02-numbers.rst.txt new file mode 100644 index 0000000..f4cbd7c --- /dev/null +++ b/_sources/tutorial/03-02-numbers.rst.txt @@ -0,0 +1,162 @@ +Numbers +======= + +In this section we'll: + +- Teach you about some numeric data types +- Explain what operators are +- Help you write programs using variables with numeric data types + +You will write code for this section in a different directory to the one used for the Hello World program. Follow the following instructions below to do so: + +1. Create a new directory called ``Numbers`` under your ``ValaProjects`` directory. +2. Under the ``Numbers`` directory you have just created, create a new file called ``main.vala``. + +Introduction to Numbers +----------------------- + +In the last section, we showed an example of a variable: + +.. code-block:: vala + + string my_name = "Sara"; + +In your ``main.vala`` file, create a `main` method with, an ``int`` variable assignment, in the `main` method's body: + +.. code-block:: vala + :caption: main.vala - ``int`` variable declaration. + + public static void main () { + int num = 42; + } + +The ``num`` variable of you've created in the line above stores `int` values and you have set the value of it to ``42``. + +You can print the value of ``num`` by adding using the ``print`` method. Add this line below where you wrote the ``num`` variable's delcaration: + +.. code-block:: vala + :caption: main.vala - Print value of ``num`` + :emphasize-lines: 3 + + public static void main () { + int num = 42; + print ("Value of num: %d\n", num); + } + +Now, compile your code in ``main.vala`` and run the generated program. You'll see the following output: + +.. code-block:: output + + Value of num: 42 + + +.. note:: + + ``%d`` is a format specifier. We use this specify where we want an `integer` value to be displayed in the printed message. ``num`` after the ``,`` is the variable that will be substituted for ``%d``. + + We'll cover format specifiers in more detail, in later sections. + + +Different numeric data types +---------------------------- + +.. warning:: + + It's pretty hard to find documentation on exactly how these GLib data types behave. As of now, the descriptions of each data type may be inaccurate. + +Vala has many numeric data types such as: + +- ``char`` - Stores 8 bit integer numbers. +- ``uchar`` - Stores unsinged 8 bit numbers +- ``short`` - Stores 16-bit integer numbers +- ``ushort`` - Stores unsigned 16 bit numbers +- ``int`` - Stores integer numbers (platform dependant behaviour) +- ``uint`` - Stores unsigned integer numbers (platform dependant behaviour) +- ``long`` - Stores "big" integer numbers (platform dependent behaviour). +- ``ulong`` - Stores unsigned "big" integer numbers (platform dependent behaviour). +- ``size_t`` - Stores at least 16 bit integer numbers +- ``ssize_t`` - Stores at least 16 bit unsigned integer numbers +- ``int8`` - Stores 8 bit integer numbers +- ``uint8`` - Stores unsinged 8 bit integer numbers +- ``int16`` - Stores 16 bit integer numbers +- ``uint16`` - Stores unsigned 16 bit integer numbers +- ``int32`` - Stores 32 bit integer numbers +- ``uint32`` - Stores unsinged 32 bit integer numbers +- ``int64`` - Stores 64 bit integer numbers +- ``uint64`` - Stores unsigned 64 bit integer numbers +- ``unichar`` - Stores unsigned 32 bit integer numbers +- ``float`` - Stores 32-bit floating-point numbers +- ``double`` - Stores 64-bit floating-point numbers + +.. note:: + + **Floating-point** numbers are numbers with decimal points in them like: ``2.5``. + +.. note:: + + The **unsigned** types above only store postive numbers, allowing them to store bigger numbers values that their signed variants can't. **Unsinged** types also use the same amount of storage space as their signed variants too. + +.. tip:: + + Some of the data types behave similarly to C data types of the same name. + + +Artithmetic Operations +---------------------- + +Rather than teaching you how each of these data types work in detail, we'll give you pre-written code that shows you how a few of them behave. + +Some of these data types will be covered in the rest of the tutorial. + +Replace all the code in ``main.vala`` with this code below: + +.. code-block:: vala + :caption: main.vala - Numeric data type examples + + public static void main () { + // Addition: + int sum = 5 + 5; // sum = 10 + + // Subtraction: difference = 5 + int difference = 12-7; // difference = 5 + + // Multiplication: product = 4 + int product = 2 * 2; // product = 4 + + // Division: + float quotient = 64.2f / 2f; // quotient = 32.1 + double second_quotient = 99.9 / 11.1; // quotient = 9.0 + + // Integer division results in the decimal part of the quotient not being + // included: + int floored_quotient = 16 / 5; // floored_quotient = 3 + + // Modulus + int remainder = 1 % 2; // remainder = 1 + int no_remainder = 2 % 2; // no_reminader = 0 + + // Reusing variables + + int changing_num = 1; + changing_num = changing_num + 1; + changing_num = changing_num - sum; + changing_num = changing_num * difference; + changing_num = changing_num / product; + + print ("Changing number: %d\n", changing_num); + } + +Can you guess the value of ``changing_num`` that gets printed? + +Now run and compile the code, you should see the value ``-10`` gets printed. + +.. note:: + + You might see some warnings when compiling the code. + Don't worry about these, this is because there were variables we didn't use. + + The code will run fine. + + +Feel free to experiment with arithmetic operations by creating your own math expressions. + diff --git a/_sources/tutorial/03-03-bools-and-ifs.rst.txt b/_sources/tutorial/03-03-bools-and-ifs.rst.txt new file mode 100644 index 0000000..61cceb4 --- /dev/null +++ b/_sources/tutorial/03-03-bools-and-ifs.rst.txt @@ -0,0 +1,247 @@ +Booleans and if-statements +========================== + +In this section we'll: + +- Teach you about boolean values and variables +- Introuduce a way to change the flow of a program based on a boolean value + +Introudction to Booleans +------------------------ + +Light bulbs ultimately have two, mutually-exclusive states: ``on`` and ``off``. When a light bulb is ``on``, it has emits light. When a light bulb is ``off``, there is no light. + +Sometimes, in our programs, we need to represent two mutually exclusive states. The boolean data type (``bool``) is how you we can do this. + +Instead of ``on`` and ``off``, we'd use the ``true`` and ``false`` boolean values to represent two mutually-exclusive states. + +We can store boolean values in variables: + +.. code-block:: vala + + bool is_on = false; + +Now, you'll write some actual code involving booleans. You'll need to create a new directory first: + +1. Create a new directory called ``Booleans`` under your ``ValaProjects`` directory. +2. Create a new file called ``main.vala`` inside the ``Booleans`` directory you created. + +In ``main.vala``, write the following code: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print ("Hello!\n"); + } + +If you compile and run the program, it will simply print "Hello!". + +If-statement +------------ + +Let's make your program more interesting now. + +Above the ``print`` method, add declare a boolean variable set to ``false``: + +.. code-block:: vala + :caption: main.vala - Boolean variable added + + public static void main () { + bool should_print = false; + print ("Hello!\n"); + } + +We want the program above to only print "Hello" when the value of ``should_print`` is set to ``true``. You can do this by using a control statement called an ``if-statement``. + +Update ``main.vala`` so that it wraps the print call with an ``if-statement``, that checks if the value of ``should_print`` is ``true``: + +.. code-block:: vala + + public static void main () { + bool should_print = false; + + if (should_print == true) { + print ("Hello!\n"); + } + } + +Now compile and your code. + +As you can see, nothing happens. Let's break down why: + +.. code-block:: vala + :emphasize-lines: 4, 6 + + public static void main () { + bool should_print = false; + + if (should_print == true) { + print ("Hello!\n"); + } + } + +The highlighted lines are the ``if-statement``. +``if`` is what you use to start the statement. The expression between the brackets (``()``) +evaluates a boolean value. If the evaluated boolean value is ``true``, the code between the curly braces (``{}``), will run. + +Now set the ``should_print`` variable to ``true`` then compile and run the program again: + + +.. code-block:: vala + :caption: main.vala + + public static void main () { + bool should_print = true; + + if (should_print == true) { + print ("Hello!\n"); + } + } + +The program above will print "Hello!". + +Variable identifiers themselves also count as an expression. Let's take advantage of this to simplify our program a bit. + +Update ``main.vala`` so that the code looks like this: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + bool should_print = true; + + if (should_print) { + print ("Hello!\n"); + } + } + +.. warning:: + + For this to work effectively, you should take care in naming your variables. Name your variables semantically otherwise, your code will be harder to read than before. + + For example: if ``should_print`` was named ``first_name``, there would be two major issues: + + 1. It's not clear that ``first_name`` is a boolean from the variable's idenitifer alone. + 2. The if statement doesn't read well: "If first name". + +If-else statements +------------------ + +What if you wanted only wanted to run code that only runs when a variable is ``true`` and a different piece of code to run when that same variable is ``false``. + +This is possible using if-else statements: + +.. code-block:: vala + + bool is_on = false; + + if (is_on) { + print ("Lights on!"); + } else { + print ("Lights off!"); + } + +Let's try this out. Modfiy ``main.vala`` to look like this: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + bool should_print_hello = true; + + if (should_print_hello) { + print ("Hello\n"); + } else { + print ("Goodbye\n"); + } + } + +Now compile and run your code. "Hello" will be printed. + +If you change the value of ``should_print_hello`` to ``false``, "Goodbye" will +be printed instead. + +if-else-if statements +--------------------- + +We can keep adding more conditions to try using ``else if``. + +Update ``main.vala`` with this code below: + +.. code-block:: vala + :caption: main.vala + + bool should_print_hello = true; + bool should_print_name = true; + + if (should_print_hello && should_print_name) { + print ("Hello, Vala\n"); + } else if (should_print_hello) { + print ("Hello\n"); + } else if (should_print_name) { + print ("Vala\n"); + } else { + print ("Goodbye\n"); + } + + +The program will run the code in one of the ``if`` orr ``else if`` blocks if their conditions are met. + +If none of the conditions are met, the program will run the code in the ``else`` block. + +.. note:: + + ``&&`` is a conditional operator called the "Logical AND" operator + The resulting value is ``true`` when both of the operator's (``&&``) operands are also true, otherwise, the resulting value is ``false``. + + We'll talk about conditional operators more very soon. + +Discovering what the output of the program is based on the value of ``should_print_hello`` and ``should_print_name`` will be let as a challenge to you. + +Conditional Operators +--------------------- + +Do you remember the logical AND (``&&``) operator? Well there are other operators like it. We'll show you a quick overview of them below: + +.. code-block:: vala + + // Logical AND operator (&&) + false && false; // false + true && false // false + false && true // false; + true && true // true; + + // Logical OR operator (||) + false || false; // false + true || false // true + false || true // true; + true || true // true; + + // NOT operator (!) + !false // true + !true // false + + // Equality test (==) + 2 == 8 // false; + 2 == 2 // true; + + // Less than (<) + 4 < 2; // false; + 2 < 4; // true; + + // Greater than (>) + 4 > 2; // true; + 2 > 4; // false; + + // Less than or equal to (<=) + 4 <= 2; // false; + 2 <= 4; // true; + 4 <= 4 // true + + // Greater than or equal to (>=) + 4 >= 2; // true; + 2 >= 4; // false; + 4 >= 4 // true + +As you can see, all of the operators above can be used to return a boolean value. \ No newline at end of file diff --git a/_sources/tutorial/03-04-enums-and-switch-statements.rst.txt b/_sources/tutorial/03-04-enums-and-switch-statements.rst.txt new file mode 100644 index 0000000..adc4d68 --- /dev/null +++ b/_sources/tutorial/03-04-enums-and-switch-statements.rst.txt @@ -0,0 +1,272 @@ +Enums and switch statements +=========================== + +In this section we'll: + +- Introduce the switch statement +- Introudce enum values +- Showcase how switch statements and enums work well togeter + +Introducing Switch Statements +----------------------------- + +In the last section, we introuduced ``if`` statements: + +.. code-block:: vala + + bool is_on = true; + if (is_on) { + print ("The light bulb is on\n"); + } + +However, there as you've seen with ``if`` statements, when you have several potential branches, it can become quite cumbersome to write: + +.. code-block:: vala + + string lang_name = "Vala"; + + print ("Programming Language Fact(s):\n\n"); + + if (lang_name == "Vala") { + print ("Vala first appeared in 2006\n"); + } else if (lang_name == "Rust") { + print ("Rust's Mascot is a red crab\n"); + } else if (lang_name == "C++") { + print ("First editiion of C++ was released around since 1985\n"); + } else if (lang_name == "C") { + print ("C was created by Dennis Ritche") + } else { + print ("Goodbye\n"); + } + +Notice that we're always checking the value of the ``lang_name`` variable with an eqality check ``lang_name == value``. + +Rather than writing out the eqaulity check, for the same variable, every time, you can use a ``switch`` statement instead. + +.. code-block:: vala + + string lang_name = "Vala"; + + switch (lang_name) { + case "Vala": + print ("Vala first appeared in 2006\n"); + break; + case "Rust": + print ("Rust's Mascot is a red crab\n"); + break; + case "C++": + print ("First editiion of C++ was released around since 1985\n"); + break; + case "C": + print ("C was created by Dennis Ritche\n") + break; + default: + print ("Goodbye\n"); + break; + } + +.. tip:: + + The `elementary coding style `_ recommends using a ``switch`` statement + when checking the value of the same variable more than twice, in ``if`` statements. + +``switch`` statements runs a section of code based on the value passed into it. +In this case, ``lang_name`` was passed into te ``switch`` statement so the value "Vala", will be compared against. + +Each ``case`` is like an equality check for the value passed in. ``case "Vala"`` behaves similarly to ``if (lang_name == "Vala")``. +Then after the ``:`` of each ``case`` the section of code to run on the matching case is written. + +To signal the end of the code to run, a ``break`` statement is used. + +``default`` beahves like ``else``. It runs when no other cases match the value passed in. + +Taking Advantage of the Switch Fallthrough Behaviour +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +In ``if`` statements, to run the same block of code based on a set of matching values, you would do somethhing like this: + +.. code-block:: vala + + string lang_name = "Vala"; + + if (lang_name == "Vala" || lang_name == "C") { + print ("C was created by Dennis Ritche\n") + print ("Vala compiles to C\n"); + } + +As you can imagine, this can become pretty cumbersome to write as you add more matching values. + +In ``switch`` statements, the syntax for this is much more concise, making it easier to expand the matching potential values over time: + +.. code-block:: vala + :emphasize-lines: 3-8 + + string lang_name = "Vala"; + + print ("Programming Language Fact(s):\n\n"); + + switch (lang_name) { + case "Vala": + case "C": + print ("C was created by Dennis Ritche\n") + print ("Vala compiles to C\n"); + break; + case "Rust": + print ("Rust's Mascot is a red crab\n"); + break; + case "C++": + print ("First editiion of C++ was released around since 1985\n"); + break; + default: + print ("Goodbye\n"); + break; + } + +The "Vala" ``case`` has the "C" ``case`` directly under it. It runs the section of code under the "C" ``case``. +The same code would run if ``lang_name`` was set to "C" too. + +This is the the ``switch`` statement's **fallthrough** behaviour. + +Enums +----- + +Now, you'll write some actual code involving ``switch`` statements and value type called an Enumeration (``enum``): + +First, you'll need to create a new directory for the code you'll write in this section: + +1. Create a new directory called ``Switch`` under your ``ValaProjects`` directory. +2. Create a new file called ``main.vala`` inside the ``Switch`` directory you created. + +In ``main.vala``, write the following code: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + string lang_name = "Vala"; + + print ("Programming Language Fact(s):\n\n"); + + switch (lang_name) { + case "Vala": + case "C": + print ("C was created by Dennis Ritche\n"); + print ("Vala compiles to C\n"); + break; + case "Rust": + print ("Rust's Mascot is a red crab\n"); + break; + case "C++": + print ("First editiion of C++ was released around since 1985\n"); + break; + default: + print ("Goodbye\n"); + break; + } + } + +Now, if you compile and run the code, it should print the following lines: + +.. code-block:: + + Programming Language Fact(s): + + C was created by Dennis Ritche + Vala compiles to C + +Writing your first enum +~~~~~~~~~~~~~~~~~~~~~~~ + +In our code, ``lang_name`` can be reduced to a specific set of related, mutually exclusive values. + +We can take advantage of this by enumerating these values by creating a new ``enum``. + +Add an ``enum`` declaration to the top of ``main.vala`` so that +the code looks like this below: + +.. code-block:: vala + :caption: main.vala + :emphasize-lines: 1-6 + + public enum Language { + VALA, // Vala + C, // C + RUST, // Rust + CPP, // C++ + } + + public static void main () { + string lang_name = "Vala"; + + print ("Programming Language Fact(s):\n\n"); + + switch (lang_name) { + case "Vala": + case "C": + print ("C was created by Dennis Ritche\n"); + print ("Vala compiles to C\n"); + break; + case "Rust": + print ("Rust's Mascot is a red crab\n"); + break; + case "C++": + print ("First editiion of C++ was released around since 1985\n"); + break; + default: + print ("Goodbye\n"); + break; + } + } + +By default, each field in the ``Language`` enum has the value of an integer number, starting from ``0`` ascending. +That is how enums are handled in the program however as humans, we can ignore that and simply take advantage of the +fact that we can use identifiers to specify a value. + +Rather than using literal values, we can use enums to specify the exactly value that we want. Enums are +checked and recognised by the compiler and they are included in autocomplete suggestions. Because of this, using enums +can reduce potential mistakes we can make in our code. + +They also work well with ``switch`` statements. Update ``main.vala`` to look like this below: + +.. code-block:: vala + :caption: main.vala + + public enum Language { + VALA, // Vala + C, // C + RUST, // Rust + CPP, // C++ + } + + public static void main () { + Language chosen_language = Language.VALA; + + print ("Programming Language Fact(s):\n\n"); + + switch (chosen_language) { + case Language.VALA: + case Language.C: + print ("C was created by Dennis Ritche\n"); + print ("Vala compiles to C\n"); + break; + case Language.RUST: + print ("Rust's Mascot is a red crab\n"); + break; + case Language.CPP: + print ("First editiion of C++ was released around since 1985\n"); + break; + default: + print ("Goodbye\n"); + break; + } + } + +If you compile and run the program now, you should still get the same output: + +.. code-block:: + + Programming Language Fact(s): + + C was created by Dennis Ritche + Vala compiles to C + diff --git a/_sources/tutorial/03-05-loops.rst.txt b/_sources/tutorial/03-05-loops.rst.txt new file mode 100644 index 0000000..99bc613 --- /dev/null +++ b/_sources/tutorial/03-05-loops.rst.txt @@ -0,0 +1,130 @@ +Loops +===== + +In this section we'll cover: + +- While loops +- Do While Loops +- For Loops + +You'll be create a new directory for the code you'll write in this section: + +1. Create a directory called ``Loops`` in the ``ValaProjects`` directory. +2. Create a new file called ``main.vala`` in the the ``Loops`` directory that you created. + +Introudcing the while Loop +--------------------------- + +Sometimes you may want to perform the same or very similiar code multiple times. One example of this is counting. + +One of the ways you can do this is through using the ``while`` loop. + +Add this code to your ``main.vala`` file: + +.. code-block:: vala + :caption: main.vala - Counts from 1 to 10 + + public static void main () { + bool has_counted_to_ten = false; + int current_number = 1; + while (has_counted_to_ten == false) { + print ("%d\n", current_number); + current_number = current_number + 1; + has_counted_to_ten = current_number > 10; + } + } + +Now, if you compile and run the program, you'll see this output: + +.. code-block:: + + 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 + +Let's break down how this works: + +- The ``while`` loop takes in an boolean loop condition as its paremeter. The code inside the ``while`` block will run when that condition is ``true``. +- After each execution of the code inside the ``while`` block, if the loop condition is checked. If the condition is ``false``, the code the loop will end. + +.. attention:: + + If your loop condition is never ``false``, it will cause an infinite loop. + + This will result in varying levels of consequences, depending on what your code is doing within the loop. + + Please use loops with care. + + +do-while Loop +~~~~~~~~~~~~~ + +For loops that you want to run at least once, you can use a do-while loop. + +Modify ``main.vala`` too look like this: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + bool has_counted_to_ten = false; + int current_number = 1; + + do { + print ("%d\n", current_number); + current_number = current_number + 1; + has_counted_to_ten = current_number > 10; + } while (has_counted_to_ten == false); + } + +The code above will produce the same output however, no matter what you change the value of ``current_number`` to, the value of ``current_number``will always be printed at least once. So even numbers greater than 10 (11, 20, 100) will be printed if set to ``current_number``. + +For Loop +-------- + +The problem with the ``while`` loops are that they are error prone. We have to create our variables too keep track of the loop and to check against the end condtion. + +However, if we use a ``for`` loop, a lot of the loop tracking logic and loop variables are ``for`` statement's parameter, making the code inside the loop, a lot simpler + +Rewrite ``main.vala`` so that the code looks like this: + +.. code-block:: vala + :caption: main.vala + + public static void main () { + for (int i = 0; i < 10; i++) { + print ("%d\n", i + 1); + } + } + +This code above also performs the same output but look at how many less lines of code it uses compared to the other loops to do the same thing. + +Let's break this down too: + +- The ``for`` loop's parameter combines the variable loop declaration, a loop continuation condition and code to run at the end of each loop, respectively, after each ``;``. +- Because of this, the code can just focus on the using the loop variable for printing the number in order. + +Summary +------- + +Congratualations! You've now finished this chapter. + +To recap, you've learned: + +- About variables and what they are used for +- Different types of data types like integers and boolean +- How to change the flow of programs using control statements such as: ``if`` and ``switch``. +- How to perform loops using loop statements such as ``while`` and ``for``. + +The next chapter will be a project that will use some of the topics you've learned so far. + +Now would be a good idea to revise and experiment with the topics we've covered in this tutorial up until now to improve your understanding with them. + +Now, on to the next chapter! diff --git a/_sources/tutorial/04-00-parrot-program.rst.txt b/_sources/tutorial/04-00-parrot-program.rst.txt new file mode 100644 index 0000000..d145470 --- /dev/null +++ b/_sources/tutorial/04-00-parrot-program.rst.txt @@ -0,0 +1,23 @@ +Project 1: Parrot Program +========================= + +Now you're going to create a program using some of the concepts you've learned so far. + +Essentially, it will be a program that: +- Takes in a phrase that you enter +- Repeats the entered phrase numerous times +- Prints sentences that include the phrase you entered + +.. toctree:: + :hidden: + + Entering your phrase <04-01-entering-your-phrase> + Cycle through names <04-02-cycle-through-names> + +Getting started +--------------- + +You'll need to work on this in a new directory under your ``ValaProjects`` directory. To do this: + +1. Create a new directory called ``ParrotProgram`` under your ``ValaProjects`` directory. +2. Under the ``ParrotProgram`` directory you have just created, create a new file called ``main.vala``. diff --git a/_sources/tutorial/04-01-entering-your-phrase.rst.txt b/_sources/tutorial/04-01-entering-your-phrase.rst.txt new file mode 100644 index 0000000..c3dfdb1 --- /dev/null +++ b/_sources/tutorial/04-01-entering-your-phrase.rst.txt @@ -0,0 +1,65 @@ +Entering your phrase +==================== + +To begin, we'll start off by introduce input and ouput streams. + +Introducing Input and Output Streams +------------------------------------ + +Each time you've used ``print()``, you've actually been printing to an output stream. +Whatever data that you send to the output stream ends up being printed to the terminal that you're running the program on. + +However, if you want to enter data into the terminal that gets entered into the program, +you can use an input stream. + +In the parrot program, we'll use the standard input stream to enter data into our program from our terminal. + + +To do this, you'll need to: + +- Set the value of a ``string`` variable to to a ``stdin.read_line ()`` method call +- Check if the string is not ``null`` in case something went wrong in the process of getting data from the terminal to the program. (We'll learn more about the ``null`` later in this tutorial) +- Print the value of the string variable that stored the value of the ``stdin.read_line ()`` method call. + +.. note:: + + ``stdin.read_line ()`` reads the first line of text where data is entered only. + + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print ("Enter your phrase: "); + + string input = stdin.read_line (); + + if (input != null) { + print ("Your phrase: %s\n", input); + } + } + +Now, compile and run this program. + +Your terminal should display this: + +.. code-block:: output + + Enter your phrase: + + +You may even see a blinking cursor too. + +At this point, you can now enter the phrase that you want to be used in the program, with your keyboard. + +In the code examples for this project, the phrase entered will be "Do Vala, do future". + +After entering your phrase, the program will then: + +1. Output "Your phrase:" followed by the phrase that you just entered +2. Exit + +.. code-block:: output + + Enter your phrase: Do Vala, do future + Your phrase: Do Vala, do future diff --git a/_sources/tutorial/04-02-cycle-through-names.rst.txt b/_sources/tutorial/04-02-cycle-through-names.rst.txt new file mode 100644 index 0000000..10cd566 --- /dev/null +++ b/_sources/tutorial/04-02-cycle-through-names.rst.txt @@ -0,0 +1,104 @@ +Cycle through names +==================== + +Add parrots +----------- + +First, add an array of names for each parrot: + +.. code-block:: vala + :emphasize-lines: 2 + + public static void main () { + string[] parrot_names = {"Jurg", "Raffaele", "Dani"}; + + print ("Enter your phrase: "); + + string input = stdin.read_line (); + + if (input != null) { + print ("Your phrase: %s\n", input); + } + } + +Now let's use the ``for`` loop to make each parrot repeat the entered phrase. + +.. code-block:: vala + :emphasize-lines: 8-14 + + public static void main () { + string[] parrot_names = {"Jurg", "Raffaele", "Dani"}; + + print ("Enter your phrase: "); + + string input = stdin.read_line (); + + if (input == null) { + return; + } + + for (int i = 0; i < parrot_names.length; i++) { + print (@"$(parrot_names[i]) says: $input\n"); + } + } + +.. note:: + + Template strings were used inside the for loop + + Template strings allow you to print variable values in-line in a string. + We'll cover these in more detail in a later section. + +After compilng this program, for the input "It is what it is", +the following output will be displayed: + +.. code-block:: output + + Jurg says: It is what it is + Raffaele says: It is what it is + Dani says: It is what it is + +Refactoring +----------- + +The program will always loop through every parrot name. Because of this, we can +replace the ``for`` loop block with a simpler ``foreach`` loop block: + +.. code-block:: vala + :emphasize-lines: 12-14 + + public static void main () { + string[] parrot_names = {"Jurg", "Raffaele", "Dani"}; + + print ("Enter your phrase: "); + + string input = stdin.read_line (); + + if (input == null) { + return; + } + + foreach (string name in parrot_names) { + print (@"$name says: $input\n"); + } + } + +Now if you compile and run this program again, you should it should work +exactly the same. + +This process of improving the program's code is called `refactoring`. + +Summary +------- + +Congratualations! You've now finished this chapter. + +To recap, you've learned: + +- Thing 1 +- Thing 2 +- Thing 3 + +-- INSERT CHAPTER END MESSAGE HERE -- + +Now, on to the next chapter! diff --git a/_sources/tutorial/05-00-methods.rst.txt b/_sources/tutorial/05-00-methods.rst.txt new file mode 100644 index 0000000..7362680 --- /dev/null +++ b/_sources/tutorial/05-00-methods.rst.txt @@ -0,0 +1,10 @@ +Methods +======= + +This chapter will be focused on methods. + +.. toctree:: + :hidden: + + Introducing methods <05-01-introducing-methods> + Main method <05-02-main-method> \ No newline at end of file diff --git a/_sources/tutorial/05-01-introducing-methods.rst.txt b/_sources/tutorial/05-01-introducing-methods.rst.txt new file mode 100644 index 0000000..bbab253 --- /dev/null +++ b/_sources/tutorial/05-01-introducing-methods.rst.txt @@ -0,0 +1,188 @@ +Introducing methods +=================== + +You have been using methods for quite a while now. All those times where you've +created the main method and have een calling the ``print`` method to output +results from the terminal. + +You will write code for this section in a different directory to the one used for the Hello World program. Follow the following instructions below to do so: + +1. Create a new directory called ``Methods`` under your ``ValaProjects`` directory. +2. Under the ``Methods`` directory you have just created, create a new file called ``main.vala``. + +Methods in more detail +---------------------- + +As explained previously in the Hello World section, a method is a block of +code that contain code for the program to execute when called. + +.. note:: + + These are technically functions because they aren't part of an instance of a class but in Vala we call functions "methods" anyway. + +Now let's create a program that makes use of a method that you create and call. + +First, let's start with a Hello World program + +.. code-block:: vala + :caption: main.vala + + public static void main () { + print ("Hello World\n"); + } + +Now let's create a method to move the printing logic outside of the ``main`` method. + +.. code-block:: vala + :emphasize-lines: 1-3,6 + + public static void say_something () { + print ("Hello World\n"); + } + + public static void main () { + say_something (); + } + +The output of this program will still be: + +.. code-block:: output + + Hello World + +Updating our new method +----------------------- + +One of the benefits of using methods is that we are able to change what +happens when the a method is called, without having the change the initial +method call line. + +To demonstrate this, in ``say_something``, change the text that gets +output into something of your choice. + +In the following example we'll be using the text "The quick brown fox jumped over the lazy dog": + +.. code-block:: vala + :emphasize-lines: 2 + + public static void say_something () { + print ("The quick brown fox jumped over the lazy dog\n"); + } + + public static void main () { + say_something (); + } + +If you compile and run the program the program above, +it will have the following output: + +.. code-block:: output + + The quick brown fox jumped over the lazy dog + + +Adding Method Parameters +------------------------ + +We can also pass in data to the method call, to influence the output generated by +a method: + +Update ``say_something ()`` so that it takes in a string with the name of ``name``, +and prepend (the value of name) "says:" to the print method call. + +.. code-block:: vala + :emphasize-lines: 2 + + public static void say_something (string name) { + print (@"$name says: The quick brown fox jumped over the lazy dog\n"); + } + + // More code below + + +Now you will have to pass in a name to the ``say_somthing ()`` method call in the +main method. + +.. code-block:: vala + :emphasize-lines: 6 + + public static void say_something (string name) { + print (@"$name says: The quick brown fox jumped over the lazy dog\n"); + } + + public static void main () { + say_something ("Julie"); + } + +Now if you compile and run the code above, it will output: + +.. code-block:: output + + Julie says: The quick brown fox jumped over the lazy dog + +Returning data from methods +--------------------------- + +Methods can also return data. + +In ``main.vala`` add a method called ``double_number`` that takes in and integer and +returns an integer: + +.. code-block:: vala + :emphasize-lines: 4-8 + + public static void say_something (string name) { + print (@"$name says: The quick brown fox jumped over the lazy dog\n"); + } + + public static int double_number (int number) { + + } + + public static void main () { + say_something ("Julie"); + } + +Now inside of the ``double_number`` method, return the result of ``number`` multiplied by ``2``: + +.. code-block:: vala + :emphasize-lines: 6 + + public static void say_something (string name) { + print (@"$name says: The quick brown fox jumped over the lazy dog\n"); + } + + public static int double_number (int number) { + return number * 2; + } + + public static void main () { + say_something ("Julie"); + } + +Lastly, let's test the ``double_number`` method. We'll double the number ``2`` +and print out the answer, which should be ``4``: + +.. code-block:: vala + :emphasize-lines: 11 + + public static void say_something (string name) { + print (@"$name says: The quick brown fox jumped over the lazy dog\n"); + } + + public static int double_number (int number) { + return number * 2; + } + + public static void main () { + say_something ("Julie"); + print ("If we double 2, we get: %d", double_number (2)); + } + +Now if you compile and run the program above, we should see the following output: + +.. code-block:: + + Julie says: The quick brown fox jumped over the lazy dog + If we double 2, we get: 4 + diff --git a/_sources/tutorial/05-02-main-method.rst.txt b/_sources/tutorial/05-02-main-method.rst.txt new file mode 100644 index 0000000..e5d7cb5 --- /dev/null +++ b/_sources/tutorial/05-02-main-method.rst.txt @@ -0,0 +1,164 @@ +Main method +=========== + +The work that you do in this section will be done in a new directory under your +``ValaProjects`` directory called ``MainMethods``:abbr: + +1. Create the ``MainMethods`` directory under your ``ValaProjects`` directory +2. Create file called ``main.vala`` inside the ``MainMethods`` directory. + +.. Reference about the original program the reader has written in the Hello World section. + +In the Hello World section, you wrote the following program: + +.. code-block:: vala + :emphasize-lines: 1,3 + + public static void main () { + print ("Hello, world!\n"); + } + +.. Talk about how the main method is the entry point of every Vala program. It's called by +.. the program automatically. + +The `main` method that above is the entry point of every Vala program. It is called +by the program automatically. + +.. Talk about how there are different versions of the main method that can be used and +.. explain the situations where you would use them. + +Throughout this tutorial so far, we've used on version of the main method. +There are different types of main methods that give you access to additional features +that are useful for come complicated programs. + +Here are some of the other main methods versions there are available: + +Main method with exit code +---------------------------- + +.. code-block:: vala + :emphasize-lines: 1,3 + + public static int main () { + print ("Hello, world!\n"); + return 0; + } + +If you look at the method signature in line 1, the main method has an ``int`` return +type instead of a ``dev`` return type. This means that you are required to return an +integer in this method. + +In line 3, the value of ``0`` is returned. The value that is returned is an exit code. +Exit codes tell the operating system the exit status of the program. + +- ``0`` means that you the program ran successfully without errors +- Any non-zero value means that there was an error with the program. The meaning of each value is dependent on the operating system you are using. + +Main method with arguments +-------------------------- + +.. code-block:: vala + + public static void main(string[] args) { + print (@"Arguments list length: $args.length\n"); + print ("Arguments list:\n"); + + foreach (string arg in args) { + print (@"$arg\n"); + } + } + +If you compile and run the program, you'll get a result that looks +similar to this: + +.. code-block:: output + + Arguments list length: 1 + Arguments list: + ./main + +However, the output can change depending on how you call the program. + +The value of the argument list is determined by each space seperating string +is used when calling the program. There will always be at least one argument which +is the path to the program executable. + +The following arguments are space separated strings that appear after the location of the program. + +Try run the program again but append a space then ``arg2 arg3`` to the program's path. + +e.g: ``./main arg2 arg3``. + +The output of the program will look like this: + +.. code-block:: output + + Arguments list length: 3 + Arguments list: + ./main + arg2 + arg3 + +You can use the values in the arguments list in your program to modifiy its behaviour using data passed in from the environment +it was called from. + +There is also a version of the ``main`` method that allows you to return an exit code too. The following code +will produce the same output: + +.. code-block:: vala + + public static int main(string[] args) { + print (@"Arguments list length: $args.length\n"); + print ("Arguments list:\n"); + + foreach (string arg in args) { + print (@"$arg\n"); + } + + return 0; + } + + +No main method +-------------- + +If you have a pretty simple program, you don't even need to write a main method block. +This code will compile and run just fine: + +.. code-block:: vala + + print ("No main method block here!\n"); + print ("Hello world!\n"); + +The output of the program will be: + +.. code-block:: output + + No main method block here! + Hello world! + +.. Lastly, show that you don't even need to write a main method block however it's still recommended that you do so since +.. this is a new feature that has been added in recent versions of Vala. + +.. warning:: + + In the Vala version this tutorial is for (0.56), you will receive a warning + stating that "main blocks are experimental". + + So please use this feature with caution. + + +Summary +------- + +Congratualations! You've now finished this chapter. + +To recap, you've learned: + +- Thing 1 +- Thing 2 +- Thing 3 + +-- INSERT CHAPTER END MESSAGE HERE -- + +Now, on to the next chapter! \ No newline at end of file diff --git a/_sources/tutorial/index.rst.txt b/_sources/tutorial/index.rst.txt new file mode 100644 index 0000000..f607b5c --- /dev/null +++ b/_sources/tutorial/index.rst.txt @@ -0,0 +1,41 @@ +Vala Tutorial +------------- + +This tutorial is a series of guided programming exercies and projects that will teach you the following: + +- The fundamentals of the Vala programming language. +- Basic programming concepts +- Best Practices when writing Vala programs +- A wide variety of features in the Vala programming language +- Several resources that may improve your understanding of Vala + +.. note:: + We assume knowledge basic knowledge of the command line in this tutorial. + +.. note:: + In this tutorial, we don't assume you are using a specific editor or IDE however, if you don't have a preferred editor we recommend using `Visual Studio Code `_ (Or `VSCodium `_) with the Vala Extension for this tutorial. + +.. tip:: + + `Vala Language Server `_ adds Vala code intelligence and autocomplete features to any editor application that supports the `Language Server Protocol `_. + + Feel free to add it if you prefer coding with those features enabled. + + Note: Vala Language Server is **not** required to complete this tutorial. + +.. warning:: + If you see a lines in a code block that start with a ``$`` or ``>`` character, don't include them when you're copying those lines. + + They signifiy that the rest of the line is supposed to be entered in the terminal. + +You can help us improve this tutorial by contributing to its `GitHub repository `_. + +.. toctree:: + :hidden: + :numbered: + + Introduction <01-00-introduction> + Getting Started <02-00-getting-started> + Data Types and Control Structures <03-00-data-types-and-control-structures> + Parrot Program <04-00-parrot-program> + Methods <05-00-methods> diff --git a/_static/basic.css b/_static/basic.css new file mode 100644 index 0000000..7577acb --- /dev/null +++ b/_static/basic.css @@ -0,0 +1,903 @@ +/* + * basic.css + * ~~~~~~~~~ + * + * Sphinx stylesheet -- basic theme. + * + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ + +/* -- main layout ----------------------------------------------------------- */ + +div.clearer { + clear: both; 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+ padding-right: 5px; +} + +dl.field-list > dd { + padding-left: 0.5em; + margin-top: 0em; + margin-left: 0em; + margin-bottom: 0em; +} + +dl { + margin-bottom: 15px; +} + +dd > :first-child { + margin-top: 0px; +} + +dd ul, dd table { + margin-bottom: 10px; +} + +dd { + margin-top: 3px; + margin-bottom: 10px; + margin-left: 30px; +} + +dl > dd:last-child, +dl > dd:last-child > :last-child { + margin-bottom: 0; +} + +dt:target, span.highlighted { + background-color: #fbe54e; +} + +rect.highlighted { + fill: #fbe54e; +} + +dl.glossary dt { + font-weight: bold; + font-size: 1.1em; +} + +.versionmodified { + font-style: italic; +} + +.system-message { + background-color: #fda; + padding: 5px; + border: 3px solid red; +} + +.footnote:target { + background-color: #ffa; +} + +.line-block { + display: block; + margin-top: 1em; + margin-bottom: 1em; +} + +.line-block .line-block { + margin-top: 0; + margin-bottom: 0; + margin-left: 1.5em; +} + +.guilabel, .menuselection { + font-family: sans-serif; +} + +.accelerator { + text-decoration: underline; +} + +.classifier { + font-style: oblique; +} + +.classifier:before { + font-style: normal; + margin: 0 0.5em; + content: ":"; + display: inline-block; +} + +abbr, acronym { + border-bottom: dotted 1px; + cursor: help; +} + +/* -- code displays --------------------------------------------------------- */ + +pre { + overflow: auto; + overflow-y: hidden; /* fixes display issues on Chrome browsers */ +} + +pre, div[class*="highlight-"] { + clear: both; +} + +span.pre { + -moz-hyphens: none; + -ms-hyphens: none; + -webkit-hyphens: none; + hyphens: none; + white-space: nowrap; +} + +div[class*="highlight-"] { + margin: 1em 0; +} + +td.linenos pre { + border: 0; + background-color: transparent; + color: #aaa; +} + +table.highlighttable { + display: block; +} + +table.highlighttable tbody { + display: block; +} + +table.highlighttable tr { + display: flex; +} + +table.highlighttable td { + margin: 0; + padding: 0; +} + +table.highlighttable td.linenos { + padding-right: 0.5em; +} + +table.highlighttable td.code { + flex: 1; + overflow: hidden; +} + +.highlight .hll { + display: block; +} + +div.highlight pre, +table.highlighttable pre { + margin: 0; +} + +div.code-block-caption + div { + margin-top: 0; +} + +div.code-block-caption { + margin-top: 1em; + padding: 2px 5px; + font-size: small; +} + +div.code-block-caption code { + background-color: transparent; +} + +table.highlighttable td.linenos, +span.linenos, +div.highlight span.gp { /* gp: Generic.Prompt */ + user-select: none; + -webkit-user-select: text; /* Safari fallback only */ + -webkit-user-select: none; /* Chrome/Safari */ + -moz-user-select: none; /* Firefox */ + -ms-user-select: none; /* IE10+ */ +} + +div.code-block-caption span.caption-number { + padding: 0.1em 0.3em; + font-style: italic; +} + +div.code-block-caption span.caption-text { +} + +div.literal-block-wrapper { + margin: 1em 0; +} + +code.xref, a code { + background-color: transparent; + font-weight: bold; +} + +h1 code, h2 code, h3 code, h4 code, h5 code, h6 code { + background-color: transparent; +} + +.viewcode-link { + float: right; +} + +.viewcode-back { + float: right; + font-family: sans-serif; +} + +div.viewcode-block:target { + margin: -1px -10px; + padding: 0 10px; +} + +/* -- math display ---------------------------------------------------------- */ + +img.math { + vertical-align: middle; +} + +div.body div.math p { + text-align: center; +} + +span.eqno { + float: right; +} + +span.eqno a.headerlink { + position: absolute; + z-index: 1; +} + +div.math:hover a.headerlink { + visibility: visible; +} + +/* -- printout stylesheet --------------------------------------------------- */ + +@media print { + div.document, + div.documentwrapper, + div.bodywrapper { + margin: 0 !important; + width: 100%; + } + + div.sphinxsidebar, + div.related, + div.footer, + #top-link { + display: none; + } +} \ No newline at end of file diff --git a/_static/bullet.svg b/_static/bullet.svg new file mode 100644 index 0000000..e753411 --- /dev/null +++ b/_static/bullet.svg @@ -0,0 +1 @@ + \ No newline at end of file diff --git a/_static/card.png b/_static/card.png new file mode 100644 index 0000000..2ec271e Binary files /dev/null and b/_static/card.png differ diff --git a/_static/check-solid.svg b/_static/check-solid.svg new file mode 100644 index 0000000..92fad4b --- /dev/null +++ b/_static/check-solid.svg @@ -0,0 +1,4 @@ + + + + diff --git a/_static/clipboard.min.js b/_static/clipboard.min.js new file mode 100644 index 0000000..54b3c46 --- /dev/null +++ b/_static/clipboard.min.js @@ -0,0 +1,7 @@ +/*! + * clipboard.js v2.0.8 + * https://clipboardjs.com/ + * + * Licensed MIT © Zeno Rocha + */ +!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e():"function"==typeof define&&define.amd?define([],e):"object"==typeof exports?exports.ClipboardJS=e():t.ClipboardJS=e()}(this,function(){return n={686:function(t,e,n){"use strict";n.d(e,{default:function(){return o}});var e=n(279),i=n.n(e),e=n(370),u=n.n(e),e=n(817),c=n.n(e);function a(t){try{return document.execCommand(t)}catch(t){return}}var f=function(t){t=c()(t);return a("cut"),t};var l=function(t){var e,n,o,r=1 + + + + diff --git a/_static/copybutton.css b/_static/copybutton.css new file mode 100644 index 0000000..f1916ec --- /dev/null +++ b/_static/copybutton.css @@ -0,0 +1,94 @@ +/* Copy buttons */ +button.copybtn { + position: absolute; + display: flex; + top: .3em; + right: .3em; + width: 1.7em; + height: 1.7em; + opacity: 0; + transition: opacity 0.3s, border .3s, background-color .3s; + user-select: none; + padding: 0; + border: none; + outline: none; + border-radius: 0.4em; + /* The colors that GitHub uses */ + border: #1b1f2426 1px solid; + background-color: #f6f8fa; + color: #57606a; +} + +button.copybtn.success { + border-color: #22863a; + color: #22863a; +} + +button.copybtn svg { + stroke: currentColor; + width: 1.5em; + height: 1.5em; + padding: 0.1em; +} + +div.highlight { + position: relative; +} + +/* Show the copybutton */ +.highlight:hover button.copybtn, button.copybtn.success { + opacity: 1; +} + +.highlight button.copybtn:hover { + background-color: rgb(235, 235, 235); +} + +.highlight button.copybtn:active { + background-color: rgb(187, 187, 187); +} + +/** + * A minimal CSS-only tooltip copied from: + * https://codepen.io/mildrenben/pen/rVBrpK + * + * To use, write HTML like the following: + * + *

Short

+ */ + .o-tooltip--left { + position: relative; + } + + .o-tooltip--left:after { + opacity: 0; + visibility: hidden; + position: absolute; + content: attr(data-tooltip); + padding: .2em; + font-size: .8em; + left: -.2em; + background: grey; + color: white; + white-space: nowrap; + z-index: 2; + border-radius: 2px; + transform: translateX(-102%) translateY(0); + transition: opacity 0.2s cubic-bezier(0.64, 0.09, 0.08, 1), transform 0.2s cubic-bezier(0.64, 0.09, 0.08, 1); +} + +.o-tooltip--left:hover:after { + display: block; + opacity: 1; + visibility: visible; + transform: translateX(-100%) translateY(0); + transition: opacity 0.2s cubic-bezier(0.64, 0.09, 0.08, 1), transform 0.2s cubic-bezier(0.64, 0.09, 0.08, 1); + transition-delay: .5s; +} + +/* By default the copy button shouldn't show up when printing a page */ +@media print { + button.copybtn { + display: none; + } +} diff --git a/_static/copybutton.js b/_static/copybutton.js new file mode 100644 index 0000000..770fe73 --- /dev/null +++ b/_static/copybutton.js @@ -0,0 +1,248 @@ +// Localization support +const messages = { + 'en': { + 'copy': 'Copy', + 'copy_to_clipboard': 'Copy to clipboard', + 'copy_success': 'Copied!', + 'copy_failure': 'Failed to copy', + }, + 'es' : { + 'copy': 'Copiar', + 'copy_to_clipboard': 'Copiar al portapapeles', + 'copy_success': '¡Copiado!', + 'copy_failure': 'Error al copiar', + }, + 'de' : { + 'copy': 'Kopieren', + 'copy_to_clipboard': 'In die Zwischenablage kopieren', + 'copy_success': 'Kopiert!', + 'copy_failure': 'Fehler beim Kopieren', + }, + 'fr' : { + 'copy': 'Copier', + 'copy_to_clipboard': 'Copier dans le presse-papier', + 'copy_success': 'Copié !', + 'copy_failure': 'Échec de la copie', + }, + 'ru': { + 'copy': 'Скопировать', + 'copy_to_clipboard': 'Скопировать в буфер', + 'copy_success': 'Скопировано!', + 'copy_failure': 'Не удалось скопировать', + }, + 'zh-CN': { + 'copy': '复制', + 'copy_to_clipboard': '复制到剪贴板', + 'copy_success': '复制成功!', + 'copy_failure': '复制失败', + }, + 'it' : { + 'copy': 'Copiare', + 'copy_to_clipboard': 'Copiato negli appunti', + 'copy_success': 'Copiato!', + 'copy_failure': 'Errore durante la copia', + } +} + +let locale = 'en' +if( document.documentElement.lang !== undefined + && messages[document.documentElement.lang] !== undefined ) { + locale = document.documentElement.lang +} + +let doc_url_root = DOCUMENTATION_OPTIONS.URL_ROOT; +if (doc_url_root == '#') { + doc_url_root = ''; +} + +/** + * SVG files for our copy buttons + */ +let iconCheck = ` + ${messages[locale]['copy_success']} + + +` + +// If the user specified their own SVG use that, otherwise use the default +let iconCopy = ``; +if (!iconCopy) { + iconCopy = ` + ${messages[locale]['copy_to_clipboard']} + + + +` +} + +/** + * Set up copy/paste for code blocks + */ + +const runWhenDOMLoaded = cb => { + if (document.readyState != 'loading') { + cb() + } else if (document.addEventListener) { + document.addEventListener('DOMContentLoaded', cb) + } else { + document.attachEvent('onreadystatechange', function() { + if (document.readyState == 'complete') cb() + }) + } +} + +const codeCellId = index => `codecell${index}` + +// Clears selected text since ClipboardJS will select the text when copying +const clearSelection = () => { + if (window.getSelection) { + window.getSelection().removeAllRanges() + } else if (document.selection) { + document.selection.empty() + } +} + +// Changes tooltip text for a moment, then changes it back +// We want the timeout of our `success` class to be a bit shorter than the +// tooltip and icon change, so that we can hide the icon before changing back. +var timeoutIcon = 2000; +var timeoutSuccessClass = 1500; + +const temporarilyChangeTooltip = (el, oldText, newText) => { + el.setAttribute('data-tooltip', newText) + el.classList.add('success') + // Remove success a little bit sooner than we change the tooltip + // So that we can use CSS to hide the copybutton first + setTimeout(() => el.classList.remove('success'), timeoutSuccessClass) + setTimeout(() => el.setAttribute('data-tooltip', oldText), timeoutIcon) +} + +// Changes the copy button icon for two seconds, then changes it back +const temporarilyChangeIcon = (el) => { + el.innerHTML = iconCheck; + setTimeout(() => {el.innerHTML = iconCopy}, timeoutIcon) +} + +const addCopyButtonToCodeCells = () => { + // If ClipboardJS hasn't loaded, wait a bit and try again. This + // happens because we load ClipboardJS asynchronously. + if (window.ClipboardJS === undefined) { + setTimeout(addCopyButtonToCodeCells, 250) + return + } + + // Add copybuttons to all of our code cells + const COPYBUTTON_SELECTOR = 'div.highlight pre'; + const codeCells = document.querySelectorAll(COPYBUTTON_SELECTOR) + codeCells.forEach((codeCell, index) => { + const id = codeCellId(index) + codeCell.setAttribute('id', id) + + const clipboardButton = id => + `` + codeCell.insertAdjacentHTML('afterend', clipboardButton(id)) + }) + +function escapeRegExp(string) { + return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string +} + +/** + * Removes excluded text from a Node. + * + * @param {Node} target Node to filter. + * @param {string} exclude CSS selector of nodes to exclude. + * @returns {DOMString} Text from `target` with text removed. + */ +function filterText(target, exclude) { + const clone = target.cloneNode(true); // clone as to not modify the live DOM + if (exclude) { + // remove excluded nodes + clone.querySelectorAll(exclude).forEach(node => node.remove()); + } + return clone.innerText; +} + +// Callback when a copy button is clicked. Will be passed the node that was clicked +// should then grab the text and replace pieces of text that shouldn't be used in output +function formatCopyText(textContent, copybuttonPromptText, isRegexp = false, onlyCopyPromptLines = true, removePrompts = true, copyEmptyLines = true, lineContinuationChar = "", hereDocDelim = "") { + var regexp; + var match; + + // Do we check for line continuation characters and "HERE-documents"? + var useLineCont = !!lineContinuationChar + var useHereDoc = !!hereDocDelim + + // create regexp to capture prompt and remaining line + if (isRegexp) { + regexp = new RegExp('^(' + copybuttonPromptText + ')(.*)') + } else { + regexp = new RegExp('^(' + escapeRegExp(copybuttonPromptText) + ')(.*)') + } + + const outputLines = []; + var promptFound = false; + var gotLineCont = false; + var gotHereDoc = false; + const lineGotPrompt = []; + for (const line of textContent.split('\n')) { + match = line.match(regexp) + if (match || gotLineCont || gotHereDoc) { + promptFound = regexp.test(line) + lineGotPrompt.push(promptFound) + if (removePrompts && promptFound) { + outputLines.push(match[2]) + } else { + outputLines.push(line) + } + gotLineCont = line.endsWith(lineContinuationChar) & useLineCont + if (line.includes(hereDocDelim) & useHereDoc) + gotHereDoc = !gotHereDoc + } else if (!onlyCopyPromptLines) { + outputLines.push(line) + } else if (copyEmptyLines && line.trim() === '') { + outputLines.push(line) + } + } + + // If no lines with the prompt were found then just use original lines + if (lineGotPrompt.some(v => v === true)) { + textContent = outputLines.join('\n'); + } + + // Remove a trailing newline to avoid auto-running when pasting + if (textContent.endsWith("\n")) { + textContent = textContent.slice(0, -1) + } + return textContent +} + + +var copyTargetText = (trigger) => { + var target = document.querySelector(trigger.attributes['data-clipboard-target'].value); + + // get filtered text + let exclude = '.linenos'; + + let text = filterText(target, exclude); + return formatCopyText(text, '[\\$>] ', true, true, true, true, '', '') +} + + // Initialize with a callback so we can modify the text before copy + const clipboard = new ClipboardJS('.copybtn', {text: copyTargetText}) + + // Update UI with error/success messages + clipboard.on('success', event => { + clearSelection() + temporarilyChangeTooltip(event.trigger, messages[locale]['copy'], messages[locale]['copy_success']) + temporarilyChangeIcon(event.trigger) + }) + + clipboard.on('error', event => { + temporarilyChangeTooltip(event.trigger, messages[locale]['copy'], messages[locale]['copy_failure']) + }) +} + +runWhenDOMLoaded(addCopyButtonToCodeCells) \ No newline at end of file diff --git a/_static/copybutton_funcs.js b/_static/copybutton_funcs.js new file mode 100644 index 0000000..dbe1aaa --- /dev/null +++ b/_static/copybutton_funcs.js @@ -0,0 +1,73 @@ +function escapeRegExp(string) { + return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&'); // $& means the whole matched string +} + +/** + * Removes excluded text from a Node. + * + * @param {Node} target Node to filter. + * @param {string} exclude CSS selector of nodes to exclude. + * @returns {DOMString} Text from `target` with text removed. + */ +export function filterText(target, exclude) { + const clone = target.cloneNode(true); // clone as to not modify the live DOM + if (exclude) { + // remove excluded nodes + clone.querySelectorAll(exclude).forEach(node => node.remove()); + } + return clone.innerText; +} + +// Callback when a copy button is clicked. Will be passed the node that was clicked +// should then grab the text and replace pieces of text that shouldn't be used in output +export function formatCopyText(textContent, copybuttonPromptText, isRegexp = false, onlyCopyPromptLines = true, removePrompts = true, copyEmptyLines = true, lineContinuationChar = "", hereDocDelim = "") { + var regexp; + var match; + + // Do we check for line continuation characters and "HERE-documents"? + var useLineCont = !!lineContinuationChar + var useHereDoc = !!hereDocDelim + + // create regexp to capture prompt and remaining line + if (isRegexp) { + regexp = new RegExp('^(' + copybuttonPromptText + ')(.*)') + } else { + regexp = new RegExp('^(' + escapeRegExp(copybuttonPromptText) + ')(.*)') + } + + const outputLines = []; + var promptFound = false; + var gotLineCont = false; + var gotHereDoc = false; + const lineGotPrompt = []; + for (const line of textContent.split('\n')) { + match = line.match(regexp) + if (match || gotLineCont || gotHereDoc) { + promptFound = regexp.test(line) + lineGotPrompt.push(promptFound) + if (removePrompts && promptFound) { + outputLines.push(match[2]) + } else { + outputLines.push(line) + } + gotLineCont = line.endsWith(lineContinuationChar) & useLineCont + if (line.includes(hereDocDelim) & useHereDoc) + gotHereDoc = !gotHereDoc + } else if (!onlyCopyPromptLines) { + outputLines.push(line) + } else if (copyEmptyLines && line.trim() === '') { + outputLines.push(line) + } + } + + // If no lines with the prompt were found then just use original lines + if (lineGotPrompt.some(v => v === true)) { + textContent = outputLines.join('\n'); + } + + // Remove a trailing newline to avoid auto-running when pasting + if (textContent.endsWith("\n")) { + textContent = textContent.slice(0, -1) + } + return textContent +} diff --git a/_static/debug.css b/_static/debug.css new file mode 100644 index 0000000..74d4aec --- /dev/null +++ b/_static/debug.css @@ -0,0 +1,69 @@ +/* + This CSS file should be overridden by the theme authors. It's + meant for debugging and developing the skeleton that this theme provides. +*/ +body { + font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, + "Apple Color Emoji", "Segoe UI Emoji"; + background: lavender; +} +.sb-announcement { + background: rgb(131, 131, 131); +} +.sb-announcement__inner { + background: black; + color: white; +} +.sb-header { + background: lightskyblue; +} +.sb-header__inner { + background: royalblue; + color: white; +} +.sb-header-secondary { + background: lightcyan; +} +.sb-header-secondary__inner { + background: cornflowerblue; + color: white; +} +.sb-sidebar-primary { + background: lightgreen; +} +.sb-main { + background: blanchedalmond; +} +.sb-main__inner { + background: antiquewhite; +} +.sb-header-article { + background: lightsteelblue; +} +.sb-article-container { + background: snow; +} +.sb-article-main { + background: white; +} +.sb-footer-article { + background: lightpink; +} +.sb-sidebar-secondary { + background: lightgoldenrodyellow; +} +.sb-footer-content { + background: plum; +} +.sb-footer-content__inner { + background: palevioletred; +} +.sb-footer { + background: pink; +} +.sb-footer__inner { + background: salmon; +} +.sb-article { + background: white; +} diff --git a/_static/doctools.js b/_static/doctools.js new file mode 100644 index 0000000..d06a71d --- /dev/null +++ b/_static/doctools.js @@ -0,0 +1,156 @@ +/* + * doctools.js + * ~~~~~~~~~~~ + * + * Base JavaScript utilities for all Sphinx HTML documentation. + * + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ +"use strict"; + +const BLACKLISTED_KEY_CONTROL_ELEMENTS = new Set([ + "TEXTAREA", + "INPUT", + "SELECT", + "BUTTON", +]); + +const _ready = (callback) => { + if (document.readyState !== "loading") { + callback(); + } else { + document.addEventListener("DOMContentLoaded", callback); + } +}; + +/** + * Small JavaScript module for the documentation. + */ +const Documentation = { + init: () => { + Documentation.initDomainIndexTable(); + Documentation.initOnKeyListeners(); + }, + + /** + * i18n support + */ + TRANSLATIONS: {}, + PLURAL_EXPR: (n) => (n === 1 ? 0 : 1), + LOCALE: "unknown", + + // gettext and ngettext don't access this so that the functions + // can safely bound to a different name (_ = Documentation.gettext) + gettext: (string) => { + const translated = Documentation.TRANSLATIONS[string]; + switch (typeof translated) { + case "undefined": + return string; // no translation + case "string": + return translated; // translation exists + default: + return translated[0]; // (singular, plural) translation tuple exists + } + }, + + ngettext: (singular, plural, n) => { + const translated = Documentation.TRANSLATIONS[singular]; + if (typeof translated !== "undefined") + return translated[Documentation.PLURAL_EXPR(n)]; + return n === 1 ? singular : plural; + }, + + addTranslations: (catalog) => { + Object.assign(Documentation.TRANSLATIONS, catalog.messages); + Documentation.PLURAL_EXPR = new Function( + "n", + `return (${catalog.plural_expr})` + ); + Documentation.LOCALE = catalog.locale; + }, + + /** + * helper function to focus on search bar + */ + focusSearchBar: () => { + document.querySelectorAll("input[name=q]")[0]?.focus(); + }, + + /** + * Initialise the domain index toggle buttons + */ + initDomainIndexTable: () => { + const toggler = (el) => { + const idNumber = el.id.substr(7); + const toggledRows = document.querySelectorAll(`tr.cg-${idNumber}`); + if (el.src.substr(-9) === "minus.png") { + el.src = `${el.src.substr(0, el.src.length - 9)}plus.png`; + toggledRows.forEach((el) => (el.style.display = "none")); + } else { + el.src = `${el.src.substr(0, el.src.length - 8)}minus.png`; + toggledRows.forEach((el) => (el.style.display = "")); + } + }; + + const togglerElements = document.querySelectorAll("img.toggler"); + togglerElements.forEach((el) => + el.addEventListener("click", (event) => toggler(event.currentTarget)) + ); + togglerElements.forEach((el) => (el.style.display = "")); + if (DOCUMENTATION_OPTIONS.COLLAPSE_INDEX) togglerElements.forEach(toggler); + }, + + initOnKeyListeners: () => { + // only install a listener if it is really needed + if ( + !DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS && + !DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS + ) + return; + + document.addEventListener("keydown", (event) => { + // bail for input elements + if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; + // bail with special keys + if (event.altKey || event.ctrlKey || event.metaKey) return; + + if (!event.shiftKey) { + switch (event.key) { + case "ArrowLeft": + if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) break; + + const prevLink = document.querySelector('link[rel="prev"]'); + if (prevLink && prevLink.href) { + window.location.href = prevLink.href; + event.preventDefault(); + } + break; + case "ArrowRight": + if (!DOCUMENTATION_OPTIONS.NAVIGATION_WITH_KEYS) break; + + const nextLink = document.querySelector('link[rel="next"]'); + if (nextLink && nextLink.href) { + window.location.href = nextLink.href; + event.preventDefault(); + } + break; + } + } + + // some keyboard layouts may need Shift to get / + switch (event.key) { + case "/": + if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) break; + Documentation.focusSearchBar(); + event.preventDefault(); + } + }); + }, +}; + +// quick alias for translations +const _ = Documentation.gettext; + +_ready(Documentation.init); diff --git a/_static/documentation_options.js b/_static/documentation_options.js new file mode 100644 index 0000000..b57ae3b --- /dev/null +++ b/_static/documentation_options.js @@ -0,0 +1,14 @@ +var DOCUMENTATION_OPTIONS = { + URL_ROOT: document.getElementById("documentation_options").getAttribute('data-url_root'), + VERSION: '', + LANGUAGE: 'en', + COLLAPSE_INDEX: false, + BUILDER: 'html', + FILE_SUFFIX: '.html', + LINK_SUFFIX: '.html', + HAS_SOURCE: true, + SOURCELINK_SUFFIX: '.txt', + NAVIGATION_WITH_KEYS: false, + SHOW_SEARCH_SUMMARY: true, + ENABLE_SEARCH_SHORTCUTS: true, +}; \ No newline at end of file diff --git a/_static/file.png b/_static/file.png new file mode 100644 index 0000000..a858a41 Binary files /dev/null and b/_static/file.png differ diff --git a/_static/fonts/cantarell-bold-latin.woff2 b/_static/fonts/cantarell-bold-latin.woff2 new file mode 100644 index 0000000..e8981cc Binary files /dev/null and b/_static/fonts/cantarell-bold-latin.woff2 differ diff --git a/_static/fonts/cantarell-extra-bold-latin.woff2 b/_static/fonts/cantarell-extra-bold-latin.woff2 new file mode 100644 index 0000000..54b5202 Binary files /dev/null and b/_static/fonts/cantarell-extra-bold-latin.woff2 differ diff --git a/_static/fonts/cantarell-light.woff2 b/_static/fonts/cantarell-light.woff2 new file mode 100644 index 0000000..75f986b Binary files /dev/null and b/_static/fonts/cantarell-light.woff2 differ diff --git a/_static/fonts/cantarell-regular-latin.woff2 b/_static/fonts/cantarell-regular-latin.woff2 new file mode 100644 index 0000000..48669b2 Binary files /dev/null and b/_static/fonts/cantarell-regular-latin.woff2 differ diff --git a/_static/gnome.css b/_static/gnome.css new file mode 100644 index 0000000..1827092 --- /dev/null +++ b/_static/gnome.css @@ -0,0 +1,422 @@ +/* GNOME CSS theme for Sphinx + Furo + +https://www.sphinx-doc.org +https://pypi.org/project/furo/ +*/ + +/* FONTS */ +@font-face { + font-family: "Cantarell"; + font-style: normal; + font-weight: 800; + src: url(fonts/cantarell-extra-bold-latin.woff2) format("woff2"); + unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2215; +} +@font-face { + font-family: "Cantarell"; + font-style: normal; + font-weight: 600; + src: url(fonts/cantarell-bold-latin.woff2) format("woff2"); + unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2215; +} +@font-face { + font-family: "Cantarell"; + font-style: normal; + font-weight: 400; + src: url(fonts/cantarell-regular-latin.woff2) format("woff2"); + unicode-range: U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2212,U+2215; +} + +@font-face { + font-family: "Cantarell"; + font-style: normal; + font-weight: 300; + src: url(fonts/cantarell-light.woff2) format("woff2"); + font-display: block; +} + +:root { + --rounded-corner: 12px; + --gnomeblue: #1c71d8; + --blue1: rgb(153,193,241); + --blue2: rgb(98,160,234); + --blue3: rgb(53,132,228); + --blue4: rgb(28,113,216); + --blue5: rgb(26,95,180); + --green1: rgb(143,240,164); + --green2: rgb(87,227,137); + --green3: rgb(51,209,122); + --green4: rgb(46,194,126); + --green5: rgb(38,162,105); + --yellow1: rgb(249,240,107); + --yellow2: rgb(248,228,92); + --yellow3: rgb(246,211,45); + --yellow4: rgb(245,194,17); + --yellow5: rgb(229,165,10); + --orange1: rgb(255,190,111); + --orange2: rgb(255,163,72); + --orange3: rgb(255,120,0); + --orange4: rgb(230,97,0); + --orange5: rgb(198,70,0); + --red1: rgb(246,97,81); + --red2: rgb(237,51,59); + --red3: rgb(224,27,36); + --red4: rgb(192,28,40); + --red5: rgb(165,29,45); + --purple1: rgb(220,138,221); + --purple2: rgb(192,97,203); + --purple3: rgb(145,65,172); + --purple4: rgb(129,61,156); + --purple5: rgb(97,53,131); + --brown1: rgb(205,171,143); + --brown2: rgb(181,131,90); + --brown3: rgb(152,106,68); + --brown4: rgb(134,94,60); + --brown5: rgb(99,69,44); + --light1: rgb(255,255,255); + --light2: rgb(246,245,244); + --light3: rgb(222,221,218); + --light4: rgb(192,191,188); + --light5: rgb(154,153,150); + --dark1: rgb(119,118,123); + --dark2: rgb(94,92,100); + --dark3: rgb(61,56,70); + --dark4: rgb(36,31,49); + --dark5: rgb(0,0,0); + --text: #f6f5f4; + --tocbg: var(--light2); + --tocfg: var(--dark3); + --borders: var(--light3); +} + +::selection { + background-color: rgba(153,193,241,0.5); +} + +@media (prefers-color-scheme: dark) { + :root { + --tocbg: var(--dark5); + --tocfg: var(--light5); + --borders: var(--dark3); + } + ::selection { + background-color: rgba(26,95,180,0.4); + } +} + +* { + -moz-box-sizing: border-box; + -webkit-box-sizing: border-box; + box-sizing: border-box; +} + +html, body { + margin: 0; + padding: 0; + font-size: 16px; + font-family: Cantarell, -apple-system, BlinkMacSystemFont, "Helvetica", sans-serif; + font-weight: 400; + line-height: 1.6; +} + @media (min-width: 700px) { + html, body { + font-size: 18px; + } + } + +p strong { + font-weight: 600; + opacity: 0.9; +} + +h1 { + font-weight: 300; + font-size: 24pt; +} +h2 { + font-weight: 800; + font-size: 17pt; +} +h3 { + font-weight: 800; + font-size: 15pt; +} +h4 { + font-weight: 700; + font-size: 14pt; +} +h5 { + font-weight: 700; + font-size: 12pt; +} + h2,h3,h4,h5 { opacity: 0.7; } + +ul.simple { + margin: 1rem 1rem 3rem; +} + +img.light { display: inline-block; } +img.dark { display: none; } +@media (prefers-color-scheme: dark) { + img.light { display: none;} + img.dark { display: inline-block; } +} + + ul.simple li { + list-style-image: url(bullet.svg); + margin-inline-end: 1ch; + margin-bottom: 1rem; + } + ul.simple li:hover::marker { } + +.related-pages { + font-size: 10pt; + font-weight: 800; + display: flex; + flex-direction: row-reverse; + align-items: stretch; + justify-content: space-between; +} + + .related-pages a .title { + color: var(--dark1); + } + .related-pages a svg { + width: 32px; height: 32px; + } + + .prev-page { + border-radius: 8px; + padding: 8px 24px 8px 8px; + + } + .next-page { + border-radius: 8px; + padding: 8px 8px 8px 24px; + } + .related-pages a.prev-page, + .related-pages a.next-page { + float: none; + max-width: inherit; /* cancel furo's 50% */ + } + .related-pages a.prev-page:hover, .related-pages a.next-page:hover { + background-color: var(--tocbg); + } + + @media (min-width: 700px) { + .related-pages { + font-size: 14pt; + } + .prev-page { + padding: 16px 48px 16px 16px; + border-radius: 24px; + + } + .next-page { + padding: 16px 16px 16px 48px; + border-radius: 24px; + } + } + .related-pages a.prev-page:only-child, + .related-pages a.next-page:only-child, + .page-info { + /* align-self: flex-end; i wish */ + width: 100%; /* big buttons instead */ + } + +.toctree-wrapper ul { + margin: 0; padding: 0; +} + + .toctree-wrapper li { + list-style: none; + margin: 0 0 1rem 0; + } + .toctree-wrapper li.toctree-l1 { + font-size: 14pt; + font-weight: 600; + + } + .toctree-wrapper li.toctree-l1 > a { color: var(--tocfg); } + + .toctree-wrapper li.toctree-l2 { + list-style-image: url(toc_bullet.svg); + margin: 0; + font-size: 12pt; + font-weight: 400; + padding: 0.2rem; + } + .toctree-wrapper > ul ul { + margin-top: 1rem; + display: grid; + grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); + gap: .2rem; + } + .toctree-wrapper > ul ul a { + background-color: transparent; + } +/* tiled TOC with images */ + +ul.tiled-toc { + display: grid; + gap: 1rem; + grid-auto-flow: row; + margin: 1rem 0; padding: 0; + text-align: center; + margin-top: 2rem; +} + ul.tiled-toc li { + display: block; + list-style: none; + } + ul.tiled-toc li img { + display: block; + width: 100%; + } + ul.tiled-toc li img::after { + content: "Foo"; + } + + ul.tiled-toc a { + color: black; + text-decoration: none; + font-weight: 600; + } + + @media (min-width: 700px) { + ul.tiled-toc { + grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); + } + } + + @media (prefers-color-scheme: dark) { + ul.tiled-toc a { color: white; } + } + + +table.docutils { + font-size: 90%; + box-shadow: none; + border-collapse: collapse; + border-spacing: 0; + border-radius: 0; + text-align: left; + border-width: 0; + box-sizing: border-box; +} + /* reset crazy */ + table.docutils th, table.docutils tr, table.docutils td { + background-color: transparent; + text-align: left; + } + + table.docutils td, table.docutils th { + border-width: 0; + padding: .25rem; + } + table.docutils tr { + border-width: 0; + border-bottom: 1px solid var(--borders); + } + + table.docutils thead tr { + font-weight: 800; + border-width: 0; + box-sizing: inherit; + border-bottom: 2px solid var(--borders); + } + +video { + width: 100%; + height: auto; +} + +footer { + margin-bottom: 3rem; +} + +.sidebar-brand-text { + font-size: 14pt; + font-weight: 800; +} + +.headerlink { visibility: hidden !important; } + +.sidebar-search-container, +.sidebar-search { + border-radius: 99999px; + border: none; +} +.sidebar-search-container { + margin: 0 var(--sidebar-item-spacing-horizontal); + transition: background-color 0.2s linear; + background-color: rgba(0,0,0,0.06); +} +.sidebar-search-container:hover { + background-color: rgba(0,0,0,0.09); +} +.sidebar-search-container:focus-within { + background-color: rgba(0,0,0,0.12); +} + +@media (prefers-color-scheme: dark) { + .sidebar-search-container { + background-color: rgba(255,255,255,0.06); + } + .sidebar-search-container:hover { + background-color: rgba(255,255,255,0.09); + } + .sidebar-search-container:focus-within { + background-color: rgba(255,255,255,0.12); + } +} + +.sidebar-tree .toctree-l1, +.sidebar-tree .toctree-l2 { + margin: 1px 12px; + border-radius: 6px; +} + +.sidebar-tree .toctree-l2 { + margin: 1px 0; +} + +.sidebar-tree li > ul { + margin-left: 0; +} +.sidebar-tree li > ul .reference { + padding-left: calc(1.5*var(--sidebar-item-spacing-horizontal)); +} + +.sidebar-tree li.toctree-l3 a { + margin: 1px 0; + padding: var(--sidebar-item-spacing-vertical) var(--sidebar-item-spacing-horizontal) + var(--sidebar-item-spacing-vertical) calc(2*var(--sidebar-item-spacing-horizontal)) ; /* extra indentation */ +} + +.sidebar-tree .reference { + background: rgba(0,0,0,0); + transition: background 0.2s linear; + border-radius: 6px; + padding: var(--sidebar-item-spacing-vertical) calc(0.75*var(--sidebar-item-spacing-horizontal)); +} +.sidebar-tree .reference:hover, +.sidebar-tree .current > .reference:hover { + /* background: var(--color-background-hover); */ + background: rgba(0,0,0,0.03); +} + +.sidebar-tree .reference.current { + background: rgba(0,0,0,0.06); +} +.sidebar-tree .reference.current:hover { + background: rgba(0,0,0,0.09); +} + +.sidebar-tree .current-page > .reference { + font-weight: 600; +} + +.sidebar-logo { + border-radius: 20px; +} diff --git a/_static/language_data.js b/_static/language_data.js new file mode 100644 index 0000000..250f566 --- /dev/null +++ b/_static/language_data.js @@ -0,0 +1,199 @@ +/* + * language_data.js + * ~~~~~~~~~~~~~~~~ + * + * This script contains the language-specific data used by searchtools.js, + * namely the list of stopwords, stemmer, scorer and splitter. + * + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ + +var stopwords = ["a", "and", "are", "as", "at", "be", "but", "by", "for", "if", "in", "into", "is", "it", "near", "no", "not", "of", "on", "or", "such", "that", "the", "their", "then", "there", "these", "they", "this", "to", "was", "will", "with"]; + + +/* Non-minified version is copied as a separate JS file, is available */ + +/** + * Porter Stemmer + */ +var Stemmer = function() { + + var step2list = { + ational: 'ate', + tional: 'tion', + enci: 'ence', + anci: 'ance', + izer: 'ize', + bli: 'ble', + alli: 'al', + entli: 'ent', + eli: 'e', + ousli: 'ous', + ization: 'ize', + ation: 'ate', + ator: 'ate', + alism: 'al', + iveness: 'ive', + fulness: 'ful', + ousness: 'ous', + aliti: 'al', + iviti: 'ive', + biliti: 'ble', + logi: 'log' + }; + + var step3list = { + icate: 'ic', + ative: '', + alize: 'al', + iciti: 'ic', + ical: 'ic', + ful: '', + ness: '' + }; + + var c = "[^aeiou]"; // consonant + var v = "[aeiouy]"; // vowel + var C = c + "[^aeiouy]*"; // consonant sequence + var V = v + "[aeiou]*"; // vowel sequence + + var mgr0 = "^(" + C + ")?" + V + C; // [C]VC... is m>0 + var meq1 = "^(" + C + ")?" + V + C + "(" + V + ")?$"; // [C]VC[V] is m=1 + var mgr1 = "^(" + C + ")?" + V + C + V + C; // [C]VCVC... is m>1 + var s_v = "^(" + C + ")?" + v; // vowel in stem + + this.stemWord = function (w) { + var stem; + var suffix; + var firstch; + var origword = w; + + if (w.length < 3) + return w; + + var re; + var re2; + var re3; + var re4; + + firstch = w.substr(0,1); + if (firstch == "y") + w = firstch.toUpperCase() + w.substr(1); + + // Step 1a + re = /^(.+?)(ss|i)es$/; + re2 = /^(.+?)([^s])s$/; + + if (re.test(w)) + w = w.replace(re,"$1$2"); + else if (re2.test(w)) + w = w.replace(re2,"$1$2"); + + // Step 1b + re = /^(.+?)eed$/; + re2 = /^(.+?)(ed|ing)$/; + if (re.test(w)) { + var fp = re.exec(w); + re = new RegExp(mgr0); + if (re.test(fp[1])) { + re = /.$/; + w = w.replace(re,""); + } + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1]; + re2 = new RegExp(s_v); + if (re2.test(stem)) { + w = stem; + re2 = /(at|bl|iz)$/; + re3 = new RegExp("([^aeiouylsz])\\1$"); + re4 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re2.test(w)) + w = w + "e"; + else if (re3.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + else if (re4.test(w)) + w = w + "e"; + } + } + + // Step 1c + re = /^(.+?)y$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(s_v); + if (re.test(stem)) + w = stem + "i"; + } + + // Step 2 + re = /^(.+?)(ational|tional|enci|anci|izer|bli|alli|entli|eli|ousli|ization|ation|ator|alism|iveness|fulness|ousness|aliti|iviti|biliti|logi)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step2list[suffix]; + } + + // Step 3 + re = /^(.+?)(icate|ative|alize|iciti|ical|ful|ness)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + suffix = fp[2]; + re = new RegExp(mgr0); + if (re.test(stem)) + w = stem + step3list[suffix]; + } + + // Step 4 + re = /^(.+?)(al|ance|ence|er|ic|able|ible|ant|ement|ment|ent|ou|ism|ate|iti|ous|ive|ize)$/; + re2 = /^(.+?)(s|t)(ion)$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + if (re.test(stem)) + w = stem; + } + else if (re2.test(w)) { + var fp = re2.exec(w); + stem = fp[1] + fp[2]; + re2 = new RegExp(mgr1); + if (re2.test(stem)) + w = stem; + } + + // Step 5 + re = /^(.+?)e$/; + if (re.test(w)) { + var fp = re.exec(w); + stem = fp[1]; + re = new RegExp(mgr1); + re2 = new RegExp(meq1); + re3 = new RegExp("^" + C + v + "[^aeiouwxy]$"); + if (re.test(stem) || (re2.test(stem) && !(re3.test(stem)))) + w = stem; + } + re = /ll$/; + re2 = new RegExp(mgr1); + if (re.test(w) && re2.test(w)) { + re = /.$/; + w = w.replace(re,""); + } + + // and turn initial Y back to y + if (firstch == "y") + w = firstch.toLowerCase() + w.substr(1); + return w; + } +} + diff --git a/_static/logo.png b/_static/logo.png new file mode 100644 index 0000000..f7c2e64 Binary files /dev/null and b/_static/logo.png differ diff --git a/_static/minus.png b/_static/minus.png new file mode 100644 index 0000000..d96755f Binary files /dev/null and b/_static/minus.png differ diff --git a/_static/plus.png b/_static/plus.png new file mode 100644 index 0000000..7107cec Binary files /dev/null and b/_static/plus.png differ diff --git a/_static/pygments.css b/_static/pygments.css new file mode 100644 index 0000000..c2e07c7 --- /dev/null +++ b/_static/pygments.css @@ -0,0 +1,258 @@ +.highlight pre { line-height: 125%; } +.highlight td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } +.highlight span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; } +.highlight td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } +.highlight span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; } +.highlight .hll { background-color: #ffffcc } +.highlight { background: #f8f8f8; } +.highlight .c { color: #8f5902; font-style: italic } /* Comment */ +.highlight .err { color: #a40000; border: 1px solid #ef2929 } /* Error */ +.highlight .g { color: #000000 } /* Generic */ +.highlight .k { color: #204a87; font-weight: bold } /* Keyword */ +.highlight .l { color: #000000 } /* Literal */ +.highlight .n { color: #000000 } /* Name */ +.highlight .o { color: #ce5c00; font-weight: bold } /* Operator */ +.highlight .x { color: #000000 } /* Other */ +.highlight .p { color: #000000; font-weight: bold } /* Punctuation */ +.highlight .ch { color: #8f5902; font-style: italic } /* Comment.Hashbang */ +.highlight .cm { color: #8f5902; font-style: italic } /* Comment.Multiline */ +.highlight .cp { color: #8f5902; font-style: italic } /* Comment.Preproc */ +.highlight .cpf { color: #8f5902; font-style: italic } /* Comment.PreprocFile */ +.highlight .c1 { color: #8f5902; font-style: italic } /* Comment.Single */ +.highlight .cs { color: #8f5902; font-style: italic } /* Comment.Special */ +.highlight .gd { color: #a40000 } /* Generic.Deleted */ +.highlight .ge { color: #000000; font-style: italic } /* Generic.Emph */ +.highlight .ges { color: #000000; font-weight: bold; font-style: italic } /* Generic.EmphStrong */ +.highlight .gr { color: #ef2929 } /* Generic.Error */ +.highlight .gh { color: #000080; font-weight: bold } /* Generic.Heading */ +.highlight .gi { color: #00A000 } /* Generic.Inserted */ +.highlight .go { color: #000000; font-style: italic } /* Generic.Output */ +.highlight .gp { color: #8f5902 } /* Generic.Prompt */ +.highlight .gs { color: #000000; font-weight: bold } /* Generic.Strong */ +.highlight .gu { color: #800080; font-weight: bold } /* Generic.Subheading */ +.highlight .gt { color: #a40000; font-weight: bold } /* Generic.Traceback */ +.highlight .kc { color: #204a87; font-weight: bold } /* Keyword.Constant */ +.highlight .kd { color: #204a87; font-weight: bold } /* Keyword.Declaration */ +.highlight .kn { color: #204a87; font-weight: bold } /* Keyword.Namespace */ +.highlight .kp { color: #204a87; font-weight: bold } /* Keyword.Pseudo */ +.highlight .kr { color: #204a87; font-weight: bold } /* Keyword.Reserved */ +.highlight .kt { color: #204a87; font-weight: bold } /* Keyword.Type */ +.highlight .ld { color: #000000 } /* Literal.Date */ +.highlight .m { color: #0000cf; font-weight: bold } /* Literal.Number */ +.highlight .s { color: #4e9a06 } /* Literal.String */ +.highlight .na { color: #c4a000 } /* Name.Attribute */ +.highlight .nb { color: #204a87 } /* Name.Builtin */ +.highlight .nc { color: #000000 } /* Name.Class */ +.highlight .no { color: #000000 } /* Name.Constant */ +.highlight .nd { color: #5c35cc; 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false,\n nestedClass: \"active\",\n\n // Offset & reflow\n offset: 0,\n reflow: false,\n\n // Event support\n events: true,\n };\n\n //\n // Methods\n //\n\n /**\n * Merge two or more objects together.\n * @param {Object} objects The objects to merge together\n * @returns {Object} Merged values of defaults and options\n */\n var extend = function () {\n var merged = {};\n Array.prototype.forEach.call(arguments, function (obj) {\n for (var key in obj) {\n if (!obj.hasOwnProperty(key)) return;\n merged[key] = obj[key];\n }\n });\n return merged;\n };\n\n /**\n * Emit a custom event\n * @param {String} type The event type\n * @param {Node} elem The element to attach the event to\n * @param {Object} detail Any details to pass along with the event\n */\n var emitEvent = function (type, elem, detail) {\n // Make sure events are enabled\n if (!detail.settings.events) return;\n\n // Create a new event\n var event = new CustomEvent(type, {\n bubbles: true,\n cancelable: true,\n detail: detail,\n });\n\n // Dispatch the event\n elem.dispatchEvent(event);\n };\n\n /**\n * Get an element's distance from the top of the Document.\n * @param {Node} elem The element\n * @return {Number} Distance from the top in pixels\n */\n var getOffsetTop = function (elem) {\n var location = 0;\n if (elem.offsetParent) {\n while (elem) {\n location += elem.offsetTop;\n elem = elem.offsetParent;\n }\n }\n return location >= 0 ? location : 0;\n };\n\n /**\n * Sort content from first to last in the DOM\n * @param {Array} contents The content areas\n */\n var sortContents = function (contents) {\n if (contents) {\n contents.sort(function (item1, item2) {\n var offset1 = getOffsetTop(item1.content);\n var offset2 = getOffsetTop(item2.content);\n if (offset1 < offset2) return -1;\n return 1;\n });\n }\n };\n\n /**\n * Get the offset to use for calculating position\n * @param {Object} settings The settings for this instantiation\n * @return {Float} The number of pixels to offset the calculations\n */\n var getOffset = function (settings) {\n // if the offset is a function run it\n if (typeof settings.offset === \"function\") {\n return parseFloat(settings.offset());\n }\n\n // Otherwise, return it as-is\n return parseFloat(settings.offset);\n };\n\n /**\n * Get the document element's height\n * @private\n * @returns {Number}\n */\n var getDocumentHeight = function () {\n return Math.max(\n document.body.scrollHeight,\n document.documentElement.scrollHeight,\n document.body.offsetHeight,\n document.documentElement.offsetHeight,\n document.body.clientHeight,\n document.documentElement.clientHeight,\n );\n };\n\n /**\n * Determine if an element is in view\n * @param {Node} elem The element\n * @param {Object} settings The settings for this instantiation\n * @param {Boolean} bottom If true, check if element is above bottom of viewport instead\n * @return {Boolean} Returns true if element is in the viewport\n */\n var isInView = function (elem, settings, bottom) {\n var bounds = elem.getBoundingClientRect();\n var offset = getOffset(settings);\n if (bottom) {\n return (\n parseInt(bounds.bottom, 10) <\n (window.innerHeight || document.documentElement.clientHeight)\n );\n }\n return parseInt(bounds.top, 10) <= offset;\n };\n\n /**\n * Check if at the bottom of the viewport\n * @return {Boolean} If true, page is at the bottom of the viewport\n */\n var isAtBottom = function () {\n if (\n Math.ceil(window.innerHeight + window.pageYOffset) >=\n getDocumentHeight()\n )\n return true;\n return false;\n };\n\n /**\n * Check if the last item should be used (even if not at the top of the page)\n * @param {Object} item The last item\n * @param {Object} settings The settings for this instantiation\n * @return {Boolean} If true, use the last item\n */\n var useLastItem = function (item, settings) {\n if (isAtBottom() && isInView(item.content, settings, true)) return true;\n return false;\n };\n\n /**\n * Get the active content\n * @param {Array} contents The content areas\n * @param {Object} settings The settings for this instantiation\n * @return {Object} The content area and matching navigation link\n */\n var getActive = function (contents, settings) {\n var last = contents[contents.length - 1];\n if (useLastItem(last, settings)) return last;\n for (var i = contents.length - 1; i >= 0; i--) {\n if (isInView(contents[i].content, settings)) return contents[i];\n }\n };\n\n /**\n * Deactivate parent navs in a nested navigation\n * @param {Node} nav The starting navigation element\n * @param {Object} settings The settings for this instantiation\n */\n var deactivateNested = function (nav, settings) {\n // If nesting isn't activated, bail\n if (!settings.nested || !nav.parentNode) return;\n\n // Get the parent navigation\n var li = nav.parentNode.closest(\"li\");\n if (!li) return;\n\n // Remove the active class\n li.classList.remove(settings.nestedClass);\n\n // Apply recursively to any parent navigation elements\n deactivateNested(li, settings);\n };\n\n /**\n * Deactivate a nav and content area\n * @param {Object} items The nav item and content to deactivate\n * @param {Object} settings The settings for this instantiation\n */\n var deactivate = function (items, settings) {\n // Make sure there are items to deactivate\n if (!items) return;\n\n // Get the parent list item\n var li = items.nav.closest(\"li\");\n if (!li) return;\n\n // Remove the active class from the nav and content\n li.classList.remove(settings.navClass);\n items.content.classList.remove(settings.contentClass);\n\n // Deactivate any parent navs in a nested navigation\n deactivateNested(li, settings);\n\n // Emit a custom event\n emitEvent(\"gumshoeDeactivate\", li, {\n link: items.nav,\n content: items.content,\n settings: settings,\n });\n };\n\n /**\n * Activate parent navs in a nested navigation\n * @param {Node} nav The starting navigation element\n * @param {Object} settings The settings for this instantiation\n */\n var activateNested = function (nav, settings) {\n // If nesting isn't activated, bail\n if (!settings.nested) return;\n\n // Get the parent navigation\n var li = nav.parentNode.closest(\"li\");\n if (!li) return;\n\n // Add the active class\n li.classList.add(settings.nestedClass);\n\n // Apply recursively to any parent navigation elements\n activateNested(li, settings);\n };\n\n /**\n * Activate a nav and content area\n * @param {Object} items The nav item and content to activate\n * @param {Object} settings The settings for this instantiation\n */\n var activate = function (items, settings) {\n // Make sure there are items to activate\n if (!items) return;\n\n // Get the parent list item\n var li = items.nav.closest(\"li\");\n if (!li) return;\n\n // Add the active class to the nav and content\n li.classList.add(settings.navClass);\n items.content.classList.add(settings.contentClass);\n\n // Activate any parent navs in a nested navigation\n activateNested(li, settings);\n\n // Emit a custom event\n emitEvent(\"gumshoeActivate\", li, {\n link: items.nav,\n content: items.content,\n settings: settings,\n });\n };\n\n /**\n * Create the Constructor object\n * @param {String} selector The selector to use for navigation items\n * @param {Object} options User options and settings\n */\n var Constructor = function (selector, options) {\n //\n // Variables\n //\n\n var publicAPIs = {};\n var navItems, contents, current, timeout, settings;\n\n //\n // Methods\n //\n\n /**\n * Set variables from DOM elements\n */\n publicAPIs.setup = function () {\n // Get all nav items\n navItems = document.querySelectorAll(selector);\n\n // Create contents array\n contents = [];\n\n // Loop through each item, get it's matching content, and push to the array\n Array.prototype.forEach.call(navItems, function (item) {\n // Get the content for the nav item\n var content = document.getElementById(\n decodeURIComponent(item.hash.substr(1)),\n );\n if (!content) return;\n\n // Push to the contents array\n 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window.cancelAnimationFrame(timeout);\n }\n\n // Setup debounce callback\n timeout = window.requestAnimationFrame(publicAPIs.detect);\n };\n\n /**\n * Update content sorting on resize\n * Debounced for performance\n */\n var resizeHandler = function (event) {\n // If there's a timer, cancel it\n if (timeout) {\n window.cancelAnimationFrame(timeout);\n }\n\n // Setup debounce callback\n timeout = window.requestAnimationFrame(function () {\n sortContents(contents);\n publicAPIs.detect();\n });\n };\n\n /**\n * Destroy the current instantiation\n */\n publicAPIs.destroy = function () {\n // Undo DOM changes\n if (current) {\n deactivate(current, settings);\n }\n\n // Remove event listeners\n window.removeEventListener(\"scroll\", scrollHandler, false);\n if (settings.reflow) {\n window.removeEventListener(\"resize\", resizeHandler, false);\n }\n\n // Reset variables\n contents = null;\n navItems = null;\n current = null;\n timeout = null;\n settings = null;\n };\n\n /**\n * Initialize the current instantiation\n */\n var init = function () {\n // Merge user options into defaults\n settings = extend(defaults, options || {});\n\n // Setup variables based on the current DOM\n publicAPIs.setup();\n\n // Find the currently active content\n publicAPIs.detect();\n\n // Setup event listeners\n window.addEventListener(\"scroll\", scrollHandler, false);\n if (settings.reflow) {\n window.addEventListener(\"resize\", resizeHandler, false);\n }\n };\n\n //\n // Initialize and return the public APIs\n //\n\n init();\n return publicAPIs;\n };\n\n //\n // Return the Constructor\n //\n\n return Constructor;\n },\n);\n","// The module cache\nvar __webpack_module_cache__ = {};\n\n// The require function\nfunction __webpack_require__(moduleId) {\n\t// Check if module is in cache\n\tvar cachedModule = __webpack_module_cache__[moduleId];\n\tif (cachedModule !== undefined) {\n\t\treturn cachedModule.exports;\n\t}\n\t// Create a new module (and put it into the cache)\n\tvar module = __webpack_module_cache__[moduleId] = {\n\t\t// no module.id needed\n\t\t// no module.loaded needed\n\t\texports: {}\n\t};\n\n\t// Execute the module function\n\t__webpack_modules__[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n\n\t// Return the exports of the module\n\treturn module.exports;\n}\n\n","// getDefaultExport function for compatibility with non-harmony modules\n__webpack_require__.n = (module) => {\n\tvar getter = module && module.__esModule ?\n\t\t() => (module['default']) :\n\t\t() => (module);\n\t__webpack_require__.d(getter, { a: getter });\n\treturn getter;\n};","// define getter functions for harmony exports\n__webpack_require__.d = (exports, definition) => {\n\tfor(var key in definition) {\n\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n\t\t}\n\t}\n};","__webpack_require__.g = (function() {\n\tif (typeof 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Resetting to auto.`);\n mode = \"auto\";\n }\n\n document.body.dataset.theme = mode;\n localStorage.setItem(\"theme\", mode);\n console.log(`Changed to ${mode} mode.`);\n}\n\nfunction cycleThemeOnce() {\n const currentTheme = localStorage.getItem(\"theme\") || \"auto\";\n const prefersDark = window.matchMedia(\"(prefers-color-scheme: dark)\").matches;\n\n if (prefersDark) {\n // Auto (dark) -> Light -> Dark\n if (currentTheme === \"auto\") {\n setTheme(\"light\");\n } else if (currentTheme == \"light\") {\n setTheme(\"dark\");\n } else {\n setTheme(\"auto\");\n }\n } else {\n // Auto (light) -> Dark -> Light\n if (currentTheme === \"auto\") {\n setTheme(\"dark\");\n } else if (currentTheme == \"dark\") {\n setTheme(\"light\");\n } else {\n setTheme(\"auto\");\n }\n }\n}\n\n////////////////////////////////////////////////////////////////////////////////\n// Setup\n////////////////////////////////////////////////////////////////////////////////\nfunction setupScrollHandler() {\n // Taken 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\ No newline at end of file diff --git a/_static/searchtools.js b/_static/searchtools.js new file mode 100644 index 0000000..97d56a7 --- /dev/null +++ b/_static/searchtools.js @@ -0,0 +1,566 @@ +/* + * searchtools.js + * ~~~~~~~~~~~~~~~~ + * + * Sphinx JavaScript utilities for the full-text search. + * + * :copyright: Copyright 2007-2023 by the Sphinx team, see AUTHORS. + * :license: BSD, see LICENSE for details. + * + */ +"use strict"; + +/** + * Simple result scoring code. + */ +if (typeof Scorer === "undefined") { + var Scorer = { + // Implement the following function to further tweak the score for each result + // The function takes a result array [docname, title, anchor, descr, score, filename] + // and returns the new score. + /* + score: result => { + const [docname, title, anchor, descr, score, filename] = result + return score + }, + */ + + // query matches the full name of an object + objNameMatch: 11, + // or matches in the last dotted part of the object name + objPartialMatch: 6, + // Additive scores depending on the priority of the object + objPrio: { + 0: 15, // used to be importantResults + 1: 5, // used to be objectResults + 2: -5, // used to be unimportantResults + }, + // Used when the priority is not in the mapping. + objPrioDefault: 0, + + // query found in title + title: 15, + partialTitle: 7, + // query found in terms + term: 5, + partialTerm: 2, + }; +} + +const _removeChildren = (element) => { + while (element && element.lastChild) element.removeChild(element.lastChild); +}; + +/** + * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions#escaping + */ +const _escapeRegExp = (string) => + string.replace(/[.*+\-?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string + +const _displayItem = (item, searchTerms) => { + const docBuilder = DOCUMENTATION_OPTIONS.BUILDER; + const docUrlRoot = DOCUMENTATION_OPTIONS.URL_ROOT; + const docFileSuffix = DOCUMENTATION_OPTIONS.FILE_SUFFIX; + const docLinkSuffix = DOCUMENTATION_OPTIONS.LINK_SUFFIX; + const showSearchSummary = DOCUMENTATION_OPTIONS.SHOW_SEARCH_SUMMARY; + + const [docName, title, anchor, descr, score, _filename] = item; + + let listItem = document.createElement("li"); + let requestUrl; + let linkUrl; + if (docBuilder === "dirhtml") { + // dirhtml builder + let dirname = docName + "/"; + if (dirname.match(/\/index\/$/)) + dirname = dirname.substring(0, dirname.length - 6); + else if (dirname === "index/") dirname = ""; + requestUrl = docUrlRoot + dirname; + linkUrl = requestUrl; + } else { + // normal html builders + requestUrl = docUrlRoot + docName + docFileSuffix; + linkUrl = docName + docLinkSuffix; + } + let linkEl = listItem.appendChild(document.createElement("a")); + linkEl.href = linkUrl + anchor; + linkEl.dataset.score = score; + linkEl.innerHTML = title; + if (descr) + listItem.appendChild(document.createElement("span")).innerHTML = + " (" + descr + ")"; + else if (showSearchSummary) + fetch(requestUrl) + .then((responseData) => responseData.text()) + .then((data) => { + if (data) + listItem.appendChild( + Search.makeSearchSummary(data, searchTerms) + ); + }); + Search.output.appendChild(listItem); +}; +const _finishSearch = (resultCount) => { + Search.stopPulse(); + Search.title.innerText = _("Search Results"); + if (!resultCount) + Search.status.innerText = Documentation.gettext( + "Your search did not match any documents. Please make sure that all words are spelled correctly and that you've selected enough categories." + ); + else + Search.status.innerText = _( + `Search finished, found ${resultCount} page(s) matching the search query.` + ); +}; +const _displayNextItem = ( + results, + resultCount, + searchTerms +) => { + // results left, load the summary and display it + // this is intended to be dynamic (don't sub resultsCount) + if (results.length) { + _displayItem(results.pop(), searchTerms); + setTimeout( + () => _displayNextItem(results, resultCount, searchTerms), + 5 + ); + } + // search finished, update title and status message + else _finishSearch(resultCount); +}; + +/** + * Default splitQuery function. Can be overridden in ``sphinx.search`` with a + * custom function per language. + * + * The regular expression works by splitting the string on consecutive characters + * that are not Unicode letters, numbers, underscores, or emoji characters. + * This is the same as ``\W+`` in Python, preserving the surrogate pair area. + */ +if (typeof splitQuery === "undefined") { + var splitQuery = (query) => query + .split(/[^\p{Letter}\p{Number}_\p{Emoji_Presentation}]+/gu) + .filter(term => term) // remove remaining empty strings +} + +/** + * Search Module + */ +const Search = { + _index: null, + _queued_query: null, + _pulse_status: -1, + + htmlToText: (htmlString) => { + const htmlElement = new DOMParser().parseFromString(htmlString, 'text/html'); + htmlElement.querySelectorAll(".headerlink").forEach((el) => { el.remove() }); + const docContent = htmlElement.querySelector('[role="main"]'); + if (docContent !== undefined) return docContent.textContent; + console.warn( + "Content block not found. Sphinx search tries to obtain it via '[role=main]'. Could you check your theme or template." + ); + return ""; + }, + + init: () => { + const query = new URLSearchParams(window.location.search).get("q"); + document + .querySelectorAll('input[name="q"]') + .forEach((el) => (el.value = query)); + if (query) Search.performSearch(query); + }, + + loadIndex: (url) => + (document.body.appendChild(document.createElement("script")).src = url), + + setIndex: (index) => { + Search._index = index; + if (Search._queued_query !== null) { + const query = Search._queued_query; + Search._queued_query = null; + Search.query(query); + } + }, + + hasIndex: () => Search._index !== null, + + deferQuery: (query) => (Search._queued_query = query), + + stopPulse: () => (Search._pulse_status = -1), + + startPulse: () => { + if (Search._pulse_status >= 0) return; + + const pulse = () => { + Search._pulse_status = (Search._pulse_status + 1) % 4; + Search.dots.innerText = ".".repeat(Search._pulse_status); + if (Search._pulse_status >= 0) window.setTimeout(pulse, 500); + }; + pulse(); + }, + + /** + * perform a search for something (or wait until index is loaded) + */ + performSearch: (query) => { + // create the required interface elements + const searchText = document.createElement("h2"); + searchText.textContent = _("Searching"); + const searchSummary = document.createElement("p"); + searchSummary.classList.add("search-summary"); + searchSummary.innerText = ""; + const searchList = document.createElement("ul"); + searchList.classList.add("search"); + + const out = document.getElementById("search-results"); + Search.title = out.appendChild(searchText); + Search.dots = Search.title.appendChild(document.createElement("span")); + Search.status = out.appendChild(searchSummary); + Search.output = out.appendChild(searchList); + + const searchProgress = document.getElementById("search-progress"); + // Some themes don't use the search progress node + if (searchProgress) { + searchProgress.innerText = _("Preparing search..."); + } + Search.startPulse(); + + // index already loaded, the browser was quick! + if (Search.hasIndex()) Search.query(query); + else Search.deferQuery(query); + }, + + /** + * execute search (requires search index to be loaded) + */ + query: (query) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + const allTitles = Search._index.alltitles; + const indexEntries = Search._index.indexentries; + + // stem the search terms and add them to the correct list + const stemmer = new Stemmer(); + const searchTerms = new Set(); + const excludedTerms = new Set(); + const highlightTerms = new Set(); + const objectTerms = new Set(splitQuery(query.toLowerCase().trim())); + splitQuery(query.trim()).forEach((queryTerm) => { + const queryTermLower = queryTerm.toLowerCase(); + + // maybe skip this "word" + // stopwords array is from language_data.js + if ( + stopwords.indexOf(queryTermLower) !== -1 || + queryTerm.match(/^\d+$/) + ) + return; + + // stem the word + let word = stemmer.stemWord(queryTermLower); + // select the correct list + if (word[0] === "-") excludedTerms.add(word.substr(1)); + else { + searchTerms.add(word); + highlightTerms.add(queryTermLower); + } + }); + + if (SPHINX_HIGHLIGHT_ENABLED) { // set in sphinx_highlight.js + localStorage.setItem("sphinx_highlight_terms", [...highlightTerms].join(" ")) + } + + // console.debug("SEARCH: searching for:"); + // console.info("required: ", [...searchTerms]); + // console.info("excluded: ", [...excludedTerms]); + + // array of [docname, title, anchor, descr, score, filename] + let results = []; + _removeChildren(document.getElementById("search-progress")); + + const queryLower = query.toLowerCase(); + for (const [title, foundTitles] of Object.entries(allTitles)) { + if (title.toLowerCase().includes(queryLower) && (queryLower.length >= title.length/2)) { + for (const [file, id] of foundTitles) { + let score = Math.round(100 * queryLower.length / title.length) + results.push([ + docNames[file], + titles[file] !== title ? `${titles[file]} > ${title}` : title, + id !== null ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // search for explicit entries in index directives + for (const [entry, foundEntries] of Object.entries(indexEntries)) { + if (entry.includes(queryLower) && (queryLower.length >= entry.length/2)) { + for (const [file, id] of foundEntries) { + let score = Math.round(100 * queryLower.length / entry.length) + results.push([ + docNames[file], + titles[file], + id ? "#" + id : "", + null, + score, + filenames[file], + ]); + } + } + } + + // lookup as object + objectTerms.forEach((term) => + results.push(...Search.performObjectSearch(term, objectTerms)) + ); + + // lookup as search terms in fulltext + results.push(...Search.performTermsSearch(searchTerms, excludedTerms)); + + // let the scorer override scores with a custom scoring function + if (Scorer.score) results.forEach((item) => (item[4] = Scorer.score(item))); + + // now sort the results by score (in opposite order of appearance, since the + // display function below uses pop() to retrieve items) and then + // alphabetically + results.sort((a, b) => { + const leftScore = a[4]; + const rightScore = b[4]; + if (leftScore === rightScore) { + // same score: sort alphabetically + const leftTitle = a[1].toLowerCase(); + const rightTitle = b[1].toLowerCase(); + if (leftTitle === rightTitle) return 0; + return leftTitle > rightTitle ? -1 : 1; // inverted is intentional + } + return leftScore > rightScore ? 1 : -1; + }); + + // remove duplicate search results + // note the reversing of results, so that in the case of duplicates, the highest-scoring entry is kept + let seen = new Set(); + results = results.reverse().reduce((acc, result) => { + let resultStr = result.slice(0, 4).concat([result[5]]).map(v => String(v)).join(','); + if (!seen.has(resultStr)) { + acc.push(result); + seen.add(resultStr); + } + return acc; + }, []); + + results = results.reverse(); + + // for debugging + //Search.lastresults = results.slice(); // a copy + // console.info("search results:", Search.lastresults); + + // print the results + _displayNextItem(results, results.length, searchTerms); + }, + + /** + * search for object names + */ + performObjectSearch: (object, objectTerms) => { + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const objects = Search._index.objects; + const objNames = Search._index.objnames; + const titles = Search._index.titles; + + const results = []; + + const objectSearchCallback = (prefix, match) => { + const name = match[4] + const fullname = (prefix ? prefix + "." : "") + name; + const fullnameLower = fullname.toLowerCase(); + if (fullnameLower.indexOf(object) < 0) return; + + let score = 0; + const parts = fullnameLower.split("."); + + // check for different match types: exact matches of full name or + // "last name" (i.e. last dotted part) + if (fullnameLower === object || parts.slice(-1)[0] === object) + score += Scorer.objNameMatch; + else if (parts.slice(-1)[0].indexOf(object) > -1) + score += Scorer.objPartialMatch; // matches in last name + + const objName = objNames[match[1]][2]; + const title = titles[match[0]]; + + // If more than one term searched for, we require other words to be + // found in the name/title/description + const otherTerms = new Set(objectTerms); + otherTerms.delete(object); + if (otherTerms.size > 0) { + const haystack = `${prefix} ${name} ${objName} ${title}`.toLowerCase(); + if ( + [...otherTerms].some((otherTerm) => haystack.indexOf(otherTerm) < 0) + ) + return; + } + + let anchor = match[3]; + if (anchor === "") anchor = fullname; + else if (anchor === "-") anchor = objNames[match[1]][1] + "-" + fullname; + + const descr = objName + _(", in ") + title; + + // add custom score for some objects according to scorer + if (Scorer.objPrio.hasOwnProperty(match[2])) + score += Scorer.objPrio[match[2]]; + else score += Scorer.objPrioDefault; + + results.push([ + docNames[match[0]], + fullname, + "#" + anchor, + descr, + score, + filenames[match[0]], + ]); + }; + Object.keys(objects).forEach((prefix) => + objects[prefix].forEach((array) => + objectSearchCallback(prefix, array) + ) + ); + return results; + }, + + /** + * search for full-text terms in the index + */ + performTermsSearch: (searchTerms, excludedTerms) => { + // prepare search + const terms = Search._index.terms; + const titleTerms = Search._index.titleterms; + const filenames = Search._index.filenames; + const docNames = Search._index.docnames; + const titles = Search._index.titles; + + const scoreMap = new Map(); + const fileMap = new Map(); + + // perform the search on the required terms + searchTerms.forEach((word) => { + const files = []; + const arr = [ + { files: terms[word], score: Scorer.term }, + { files: titleTerms[word], score: Scorer.title }, + ]; + // add support for partial matches + if (word.length > 2) { + const escapedWord = _escapeRegExp(word); + Object.keys(terms).forEach((term) => { + if (term.match(escapedWord) && !terms[word]) + arr.push({ files: terms[term], score: Scorer.partialTerm }); + }); + Object.keys(titleTerms).forEach((term) => { + if (term.match(escapedWord) && !titleTerms[word]) + arr.push({ files: titleTerms[word], score: Scorer.partialTitle }); + }); + } + + // no match but word was a required one + if (arr.every((record) => record.files === undefined)) return; + + // found search word in contents + arr.forEach((record) => { + if (record.files === undefined) return; + + let recordFiles = record.files; + if (recordFiles.length === undefined) recordFiles = [recordFiles]; + files.push(...recordFiles); + + // set score for the word in each file + recordFiles.forEach((file) => { + if (!scoreMap.has(file)) scoreMap.set(file, {}); + scoreMap.get(file)[word] = record.score; + }); + }); + + // create the mapping + files.forEach((file) => { + if (fileMap.has(file) && fileMap.get(file).indexOf(word) === -1) + fileMap.get(file).push(word); + else fileMap.set(file, [word]); + }); + }); + + // now check if the files don't contain excluded terms + const results = []; + for (const [file, wordList] of fileMap) { + // check if all requirements are matched + + // as search terms with length < 3 are discarded + const filteredTermCount = [...searchTerms].filter( + (term) => term.length > 2 + ).length; + if ( + wordList.length !== searchTerms.size && + wordList.length !== filteredTermCount + ) + continue; + + // ensure that none of the excluded terms is in the search result + if ( + [...excludedTerms].some( + (term) => + terms[term] === file || + titleTerms[term] === file || + (terms[term] || []).includes(file) || + (titleTerms[term] || []).includes(file) + ) + ) + break; + + // select one (max) score for the file. + const score = Math.max(...wordList.map((w) => scoreMap.get(file)[w])); + // add result to the result list + results.push([ + docNames[file], + titles[file], + "", + null, + score, + filenames[file], + ]); + } + return results; + }, + + /** + * helper function to return a node containing the + * search summary for a given text. keywords is a list + * of stemmed words. + */ + makeSearchSummary: (htmlText, keywords) => { + const text = Search.htmlToText(htmlText); + if (text === "") return null; + + const textLower = text.toLowerCase(); + const actualStartPosition = [...keywords] + .map((k) => textLower.indexOf(k.toLowerCase())) + .filter((i) => i > -1) + .slice(-1)[0]; + const startWithContext = Math.max(actualStartPosition - 120, 0); + + const top = startWithContext === 0 ? "" : "..."; + const tail = startWithContext + 240 < text.length ? "..." : ""; + + let summary = document.createElement("p"); + summary.classList.add("context"); + summary.textContent = top + text.substr(startWithContext, 240).trim() + tail; + + return summary; + }, +}; + +_ready(Search.init); diff --git a/_static/skeleton.css b/_static/skeleton.css new file mode 100644 index 0000000..467c878 --- /dev/null +++ b/_static/skeleton.css @@ -0,0 +1,296 @@ +/* Some sane resets. */ +html { + height: 100%; +} + +body { + margin: 0; + min-height: 100%; +} + +/* All the flexbox magic! */ +body, +.sb-announcement, +.sb-content, +.sb-main, +.sb-container, +.sb-container__inner, +.sb-article-container, +.sb-footer-content, +.sb-header, +.sb-header-secondary, +.sb-footer { + display: flex; +} + +/* These order things vertically */ +body, +.sb-main, +.sb-article-container { + flex-direction: column; +} + +/* Put elements in the center */ +.sb-header, +.sb-header-secondary, +.sb-container, +.sb-content, +.sb-footer, +.sb-footer-content { + justify-content: center; +} +/* Put elements at the ends */ +.sb-article-container { + justify-content: space-between; +} + +/* These elements grow. */ +.sb-main, +.sb-content, +.sb-container, +article { + flex-grow: 1; +} + +/* Because padding making this wider is not fun */ +article { + box-sizing: border-box; +} + +/* The announcements element should never be wider than the page. */ +.sb-announcement { + max-width: 100%; +} + +.sb-sidebar-primary, +.sb-sidebar-secondary { + flex-shrink: 0; + width: 17rem; +} + +.sb-announcement__inner { + justify-content: center; + + box-sizing: border-box; + height: 3rem; + + overflow-x: auto; + white-space: nowrap; +} + +/* Sidebars, with checkbox-based toggle */ +.sb-sidebar-primary, +.sb-sidebar-secondary { + position: fixed; + height: 100%; + top: 0; +} + +.sb-sidebar-primary { + left: -17rem; + transition: left 250ms ease-in-out; +} +.sb-sidebar-secondary { + right: -17rem; + transition: right 250ms ease-in-out; +} + +.sb-sidebar-toggle { + display: none; +} +.sb-sidebar-overlay { + position: fixed; + top: 0; + width: 0; + height: 0; + + transition: width 0ms ease 250ms, height 0ms ease 250ms, opacity 250ms ease; + + opacity: 0; + background-color: rgba(0, 0, 0, 0.54); +} + +#sb-sidebar-toggle--primary:checked + ~ .sb-sidebar-overlay[for="sb-sidebar-toggle--primary"], +#sb-sidebar-toggle--secondary:checked + ~ .sb-sidebar-overlay[for="sb-sidebar-toggle--secondary"] { + width: 100%; + height: 100%; + opacity: 1; + transition: width 0ms ease, height 0ms ease, opacity 250ms ease; +} + +#sb-sidebar-toggle--primary:checked ~ .sb-container .sb-sidebar-primary { + left: 0; +} +#sb-sidebar-toggle--secondary:checked ~ .sb-container .sb-sidebar-secondary { + right: 0; +} + +/* Full-width mode */ +.drop-secondary-sidebar-for-full-width-content + .hide-when-secondary-sidebar-shown { + display: none !important; +} +.drop-secondary-sidebar-for-full-width-content .sb-sidebar-secondary { + display: none !important; +} + +/* Mobile views */ +.sb-page-width { + width: 100%; +} + +.sb-article-container, +.sb-footer-content__inner, +.drop-secondary-sidebar-for-full-width-content .sb-article, +.drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 100vw; +} + +.sb-article, +.match-content-width { + padding: 0 1rem; + box-sizing: border-box; +} + +@media (min-width: 32rem) { + .sb-article, + .match-content-width { + padding: 0 2rem; + } +} + +/* Tablet views */ +@media (min-width: 42rem) { + .sb-article-container { + width: auto; + } + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 42rem; + } + .sb-article, + .match-content-width { + width: 42rem; + } +} +@media (min-width: 46rem) { + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 46rem; + } + .sb-article, + .match-content-width { + width: 46rem; + } +} +@media (min-width: 50rem) { + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 50rem; + } + .sb-article, + .match-content-width { + width: 50rem; + } +} + +/* Tablet views */ +@media (min-width: 59rem) { + .sb-sidebar-secondary { + position: static; + } + .hide-when-secondary-sidebar-shown { + display: none !important; + } + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 59rem; + } + .sb-article, + .match-content-width { + width: 42rem; + } +} +@media (min-width: 63rem) { + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 63rem; + } + .sb-article, + .match-content-width { + width: 46rem; + } +} +@media (min-width: 67rem) { + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 67rem; + } + .sb-article, + .match-content-width { + width: 50rem; + } +} + +/* Desktop views */ +@media (min-width: 76rem) { + .sb-sidebar-primary { + position: static; + } + .hide-when-primary-sidebar-shown { + display: none !important; + } + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 59rem; + } + .sb-article, + .match-content-width { + width: 42rem; + } +} + +/* Full desktop views */ +@media (min-width: 80rem) { + .sb-article, + .match-content-width { + width: 46rem; + } + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 63rem; + } +} + +@media (min-width: 84rem) { + .sb-article, + .match-content-width { + width: 50rem; + } + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 67rem; + } +} + +@media (min-width: 88rem) { + .sb-footer-content__inner, + .drop-secondary-sidebar-for-full-width-content .sb-article, + .drop-secondary-sidebar-for-full-width-content .match-content-width { + width: 67rem; + } + .sb-page-width { + width: 88rem; + } +} diff --git a/_static/sphinx_highlight.js b/_static/sphinx_highlight.js new file mode 100644 index 0000000..aae669d --- /dev/null +++ b/_static/sphinx_highlight.js @@ -0,0 +1,144 @@ +/* Highlighting utilities for Sphinx HTML documentation. */ +"use strict"; + +const SPHINX_HIGHLIGHT_ENABLED = true + +/** + * highlight a given string on a node by wrapping it in + * span elements with the given class name. + */ +const _highlight = (node, addItems, text, className) => { + if (node.nodeType === Node.TEXT_NODE) { + const val = node.nodeValue; + const parent = node.parentNode; + const pos = val.toLowerCase().indexOf(text); + if ( + pos >= 0 && + !parent.classList.contains(className) && + !parent.classList.contains("nohighlight") + ) { + let span; + + const closestNode = parent.closest("body, svg, foreignObject"); + const isInSVG = closestNode && closestNode.matches("svg"); + if (isInSVG) { + span = document.createElementNS("http://www.w3.org/2000/svg", "tspan"); + } else { + span = document.createElement("span"); + span.classList.add(className); + } + + span.appendChild(document.createTextNode(val.substr(pos, text.length))); + parent.insertBefore( + span, + parent.insertBefore( + document.createTextNode(val.substr(pos + text.length)), + node.nextSibling + ) + ); + node.nodeValue = val.substr(0, pos); + + if (isInSVG) { + const rect = document.createElementNS( + "http://www.w3.org/2000/svg", + "rect" + ); + const bbox = parent.getBBox(); + rect.x.baseVal.value = bbox.x; + rect.y.baseVal.value = bbox.y; + rect.width.baseVal.value = bbox.width; + rect.height.baseVal.value = bbox.height; + rect.setAttribute("class", className); + addItems.push({ parent: parent, target: rect }); + } + } + } else if (node.matches && !node.matches("button, select, textarea")) { + node.childNodes.forEach((el) => _highlight(el, addItems, text, className)); + } +}; +const _highlightText = (thisNode, text, className) => { + let addItems = []; + _highlight(thisNode, addItems, text, className); + addItems.forEach((obj) => + obj.parent.insertAdjacentElement("beforebegin", obj.target) + ); +}; + +/** + * Small JavaScript module for the documentation. + */ +const SphinxHighlight = { + + /** + * highlight the search words provided in localstorage in the text + */ + highlightSearchWords: () => { + if (!SPHINX_HIGHLIGHT_ENABLED) return; // bail if no highlight + + // get and clear terms from localstorage + const url = new URL(window.location); + const highlight = + localStorage.getItem("sphinx_highlight_terms") + || url.searchParams.get("highlight") + || ""; + localStorage.removeItem("sphinx_highlight_terms") + url.searchParams.delete("highlight"); + window.history.replaceState({}, "", url); + + // get individual terms from highlight string + const terms = highlight.toLowerCase().split(/\s+/).filter(x => x); + if (terms.length === 0) return; // nothing to do + + // There should never be more than one element matching "div.body" + const divBody = document.querySelectorAll("div.body"); + const body = divBody.length ? divBody[0] : document.querySelector("body"); + window.setTimeout(() => { + terms.forEach((term) => _highlightText(body, term, "highlighted")); + }, 10); + + const searchBox = document.getElementById("searchbox"); + if (searchBox === null) return; + searchBox.appendChild( + document + .createRange() + .createContextualFragment( + '

' + + '' + + _("Hide Search Matches") + + "

" + ) + ); + }, + + /** + * helper function to hide the search marks again + */ + hideSearchWords: () => { + document + .querySelectorAll("#searchbox .highlight-link") + .forEach((el) => el.remove()); + document + .querySelectorAll("span.highlighted") + .forEach((el) => el.classList.remove("highlighted")); + localStorage.removeItem("sphinx_highlight_terms") + }, + + initEscapeListener: () => { + // only install a listener if it is really needed + if (!DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS) return; + + document.addEventListener("keydown", (event) => { + // bail for input elements + if (BLACKLISTED_KEY_CONTROL_ELEMENTS.has(document.activeElement.tagName)) return; + // bail with special keys + if (event.shiftKey || event.altKey || event.ctrlKey || event.metaKey) return; + if (DOCUMENTATION_OPTIONS.ENABLE_SEARCH_SHORTCUTS && (event.key === "Escape")) { + SphinxHighlight.hideSearchWords(); + event.preventDefault(); + } + }); + }, +}; + +_ready(SphinxHighlight.highlightSearchWords); +_ready(SphinxHighlight.initEscapeListener); diff --git a/_static/styles/furo-extensions.css b/_static/styles/furo-extensions.css new file mode 100644 index 0000000..bc447f2 --- /dev/null +++ b/_static/styles/furo-extensions.css @@ -0,0 +1,2 @@ +#furo-sidebar-ad-placement{padding:var(--sidebar-item-spacing-vertical) var(--sidebar-item-spacing-horizontal)}#furo-sidebar-ad-placement .ethical-sidebar{background:var(--color-background-secondary);border:none;box-shadow:none}#furo-sidebar-ad-placement .ethical-sidebar:hover{background:var(--color-background-hover)}#furo-sidebar-ad-placement .ethical-sidebar a{color:var(--color-foreground-primary)}#furo-sidebar-ad-placement .ethical-callout a{color:var(--color-foreground-secondary)!important}#furo-readthedocs-versions{background:transparent;display:block;position:static;width:100%}#furo-readthedocs-versions .rst-versions{background:#1a1c1e}#furo-readthedocs-versions 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Remove the inheritance of text transform in Firefox.\n */\n\nbutton,\nselect { /* 1 */\n text-transform: none;\n}\n\n/**\n * Correct the inability to style clickable types in iOS and Safari.\n */\n\nbutton,\n[type=\"button\"],\n[type=\"reset\"],\n[type=\"submit\"] {\n -webkit-appearance: button;\n}\n\n/**\n * Remove the inner border and padding in Firefox.\n */\n\nbutton::-moz-focus-inner,\n[type=\"button\"]::-moz-focus-inner,\n[type=\"reset\"]::-moz-focus-inner,\n[type=\"submit\"]::-moz-focus-inner {\n border-style: none;\n padding: 0;\n}\n\n/**\n * Restore the focus styles unset by the previous rule.\n */\n\nbutton:-moz-focusring,\n[type=\"button\"]:-moz-focusring,\n[type=\"reset\"]:-moz-focusring,\n[type=\"submit\"]:-moz-focusring {\n outline: 1px dotted ButtonText;\n}\n\n/**\n * Correct the padding in Firefox.\n */\n\nfieldset {\n padding: 0.35em 0.75em 0.625em;\n}\n\n/**\n * 1. Correct the text wrapping in Edge and IE.\n * 2. Correct the color inheritance from `fieldset` elements in IE.\n * 3. Remove the padding so developers are not caught out when they zero out\n * `fieldset` elements in all browsers.\n */\n\nlegend {\n box-sizing: border-box; /* 1 */\n color: inherit; /* 2 */\n display: table; /* 1 */\n max-width: 100%; /* 1 */\n padding: 0; /* 3 */\n white-space: normal; /* 1 */\n}\n\n/**\n * Add the correct vertical alignment in Chrome, Firefox, and Opera.\n */\n\nprogress {\n vertical-align: baseline;\n}\n\n/**\n * Remove the default vertical scrollbar in IE 10+.\n */\n\ntextarea {\n overflow: auto;\n}\n\n/**\n * 1. Add the correct box sizing in IE 10.\n * 2. Remove the padding in IE 10.\n */\n\n[type=\"checkbox\"],\n[type=\"radio\"] {\n box-sizing: border-box; /* 1 */\n padding: 0; /* 2 */\n}\n\n/**\n * Correct the cursor style of increment and decrement buttons in Chrome.\n */\n\n[type=\"number\"]::-webkit-inner-spin-button,\n[type=\"number\"]::-webkit-outer-spin-button {\n height: auto;\n}\n\n/**\n * 1. Correct the odd appearance in Chrome and Safari.\n * 2. Correct the outline style in Safari.\n */\n\n[type=\"search\"] {\n -webkit-appearance: textfield; /* 1 */\n outline-offset: -2px; /* 2 */\n}\n\n/**\n * Remove the inner padding in Chrome and Safari on macOS.\n */\n\n[type=\"search\"]::-webkit-search-decoration {\n -webkit-appearance: none;\n}\n\n/**\n * 1. Correct the inability to style clickable types in iOS and Safari.\n * 2. Change font properties to `inherit` in Safari.\n */\n\n::-webkit-file-upload-button {\n -webkit-appearance: button; /* 1 */\n font: inherit; /* 2 */\n}\n\n/* Interactive\n ========================================================================== */\n\n/*\n * Add the correct display in Edge, IE 10+, and Firefox.\n */\n\ndetails {\n display: block;\n}\n\n/*\n * Add the correct display in all browsers.\n */\n\nsummary {\n display: list-item;\n}\n\n/* Misc\n ========================================================================== */\n\n/**\n * Add the correct display in IE 10+.\n */\n\ntemplate {\n display: none;\n}\n\n/**\n * Add the correct display in IE 10.\n */\n\n[hidden] {\n display: none;\n}\n","// This file contains styles for managing print media.\n\n////////////////////////////////////////////////////////////////////////////////\n// Hide elements not relevant to print media.\n////////////////////////////////////////////////////////////////////////////////\n@media print\n // Hide icon container.\n .content-icon-container\n display: none !important\n\n // Hide showing header links if hovering over when printing.\n .headerlink\n display: none !important\n\n // Hide mobile header.\n .mobile-header\n display: none !important\n\n // Hide navigation links.\n .related-pages\n display: none !important\n\n////////////////////////////////////////////////////////////////////////////////\n// Tweaks related to decolorization.\n////////////////////////////////////////////////////////////////////////////////\n@media print\n // Apply a border around code which no longer have a color background.\n .highlight\n border: 0.1pt solid var(--color-foreground-border)\n\n////////////////////////////////////////////////////////////////////////////////\n// Avoid page break in some relevant cases.\n////////////////////////////////////////////////////////////////////////////////\n@media print\n ul, ol, dl, a, table, pre, blockquote\n page-break-inside: avoid\n\n h1, h2, h3, h4, h5, h6, img, figure, caption\n page-break-inside: avoid\n page-break-after: avoid\n\n ul, ol, dl\n page-break-before: avoid\n",".visually-hidden\n position: absolute !important\n width: 1px !important\n height: 1px !important\n padding: 0 !important\n margin: -1px !important\n overflow: hidden !important\n clip: rect(0,0,0,0) !important\n white-space: nowrap !important\n border: 0 !important\n\n:-moz-focusring\n outline: auto\n","// This file serves as the \"skeleton\" of the theming logic.\n//\n// This contains the bulk of the logic for handling dark mode, color scheme\n// toggling and the handling of color-scheme-specific hiding of elements.\n\nbody\n @include fonts\n @include spacing\n @include icons\n @include admonitions\n @include default-admonition(#651fff, \"abstract\")\n @include default-topic(#14B8A6, \"pencil\")\n\n @include colors\n\n.only-light\n display: block !important\nhtml body .only-dark\n display: none !important\n\n// Ignore dark-mode hints if print media.\n@media not print\n // Enable dark-mode, if requested.\n body[data-theme=\"dark\"]\n @include colors-dark\n\n html & .only-light\n display: none !important\n .only-dark\n display: block !important\n\n // Enable dark mode, unless explicitly told to avoid.\n @media (prefers-color-scheme: dark)\n body:not([data-theme=\"light\"])\n @include colors-dark\n\n html & .only-light\n display: none !important\n .only-dark\n display: block !important\n\n//\n// Theme toggle presentation\n//\nbody[data-theme=\"auto\"]\n .theme-toggle svg.theme-icon-when-auto\n display: block\n\nbody[data-theme=\"dark\"]\n .theme-toggle svg.theme-icon-when-dark\n display: block\n\nbody[data-theme=\"light\"]\n .theme-toggle svg.theme-icon-when-light\n display: block\n","// Fonts used by this theme.\n//\n// There are basically two things here -- using the system font stack and\n// defining sizes for various elements in %ages. We could have also used `em`\n// but %age is easier to reason about for me.\n\n@mixin fonts {\n // These are adapted from https://systemfontstack.com/\n --font-stack: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial,\n sans-serif, Apple Color Emoji, Segoe UI Emoji;\n --font-stack--monospace: \"SFMono-Regular\", Menlo, Consolas, Monaco,\n Liberation Mono, Lucida Console, monospace;\n\n --font-size--normal: 100%;\n --font-size--small: 87.5%;\n --font-size--small--2: 81.25%;\n --font-size--small--3: 75%;\n --font-size--small--4: 62.5%;\n\n // Sidebar\n --sidebar-caption-font-size: var(--font-size--small--2);\n --sidebar-item-font-size: var(--font-size--small);\n --sidebar-search-input-font-size: var(--font-size--small);\n\n // Table of Contents\n --toc-font-size: var(--font-size--small--3);\n --toc-font-size--mobile: var(--font-size--normal);\n --toc-title-font-size: var(--font-size--small--4);\n\n // Admonitions\n //\n // These aren't defined in terms of %ages, since nesting these is permitted.\n --admonition-font-size: 0.8125rem;\n --admonition-title-font-size: 0.8125rem;\n\n // Code\n --code-font-size: var(--font-size--small--2);\n\n // API\n --api-font-size: var(--font-size--small);\n}\n","// Spacing for various elements on the page\n//\n// If the user wants to tweak things in a certain way, they are permitted to.\n// They also have to deal with the consequences though!\n\n@mixin spacing {\n // Header!\n --header-height: calc(\n var(--sidebar-item-line-height) + 4 * #{var(--sidebar-item-spacing-vertical)}\n );\n --header-padding: 0.5rem;\n\n // Sidebar\n --sidebar-tree-space-above: 1.5rem;\n --sidebar-caption-space-above: 1rem;\n\n --sidebar-item-line-height: 1rem;\n --sidebar-item-spacing-vertical: 0.5rem;\n --sidebar-item-spacing-horizontal: 1rem;\n --sidebar-item-height: calc(\n var(--sidebar-item-line-height) + 2 *#{var(--sidebar-item-spacing-vertical)}\n );\n\n --sidebar-expander-width: var(--sidebar-item-height); // be square\n\n --sidebar-search-space-above: 0.5rem;\n --sidebar-search-input-spacing-vertical: 0.5rem;\n --sidebar-search-input-spacing-horizontal: 0.5rem;\n --sidebar-search-input-height: 1rem;\n --sidebar-search-icon-size: var(--sidebar-search-input-height);\n\n // Table of Contents\n --toc-title-padding: 0.25rem 0;\n --toc-spacing-vertical: 1.5rem;\n --toc-spacing-horizontal: 1.5rem;\n --toc-item-spacing-vertical: 0.4rem;\n --toc-item-spacing-horizontal: 1rem;\n}\n","// Expose theme icons as CSS variables.\n\n$icons: (\n // Adapted from tabler-icons\n // url: https://tablericons.com/\n \"search\":\n url('data:image/svg+xml;charset=utf-8,'),\n // Factored out from mkdocs-material on 24-Aug-2020.\n // url: https://squidfunk.github.io/mkdocs-material/reference/admonitions/\n \"pencil\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"abstract\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"info\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"flame\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"question\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"warning\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"failure\":\n url('data:image/svg+xml;charset=utf-8,'),\n \"spark\":\n url('data:image/svg+xml;charset=utf-8,')\n);\n\n@mixin icons {\n @each $name, $glyph in $icons {\n --icon-#{$name}: #{$glyph};\n }\n}\n","// Admonitions\n\n// Structure of these is:\n// admonition-class: color \"icon-name\";\n//\n// The colors are translated into CSS variables below. The icons are\n// used directly in the main declarations to set the `mask-image` in\n// the title.\n\n// prettier-ignore\n$admonitions: (\n // Each of these has an reST directives for it.\n \"caution\": #ff9100 \"spark\",\n \"warning\": #ff9100 \"warning\",\n \"danger\": #ff5252 \"spark\",\n \"attention\": #ff5252 \"warning\",\n \"error\": #ff5252 \"failure\",\n \"hint\": #00c852 \"question\",\n \"tip\": #00c852 \"info\",\n \"important\": #00bfa5 \"flame\",\n \"note\": #00b0ff \"pencil\",\n \"seealso\": #448aff \"info\",\n \"admonition-todo\": #808080 \"pencil\"\n);\n\n@mixin default-admonition($color, $icon-name) {\n --color-admonition-title: #{$color};\n --color-admonition-title-background: #{rgba($color, 0.2)};\n\n --icon-admonition-default: var(--icon-#{$icon-name});\n}\n\n@mixin default-topic($color, $icon-name) {\n --color-topic-title: #{$color};\n --color-topic-title-background: #{rgba($color, 0.2)};\n\n --icon-topic-default: var(--icon-#{$icon-name});\n}\n\n@mixin admonitions {\n @each $name, $values in $admonitions {\n --color-admonition-title--#{$name}: #{nth($values, 1)};\n --color-admonition-title-background--#{$name}: #{rgba(\n nth($values, 1),\n 0.2\n )};\n }\n}\n","// Colors used throughout this theme.\n//\n// The aim is to give the user more control. Thus, instead of hard-coding colors\n// in various parts of the stylesheet, the approach taken is to define all\n// colors as CSS variables and reusing them in all the places.\n//\n// `colors-dark` depends on `colors` being included at a lower specificity.\n\n@mixin colors {\n --color-problematic: #b30000;\n\n // Base Colors\n --color-foreground-primary: black; // for main text and headings\n --color-foreground-secondary: #5a5c63; // for secondary text\n --color-foreground-muted: #646776; // for muted text\n --color-foreground-border: #878787; // for content borders\n\n --color-background-primary: white; // for content\n --color-background-secondary: #f8f9fb; // for navigation + ToC\n --color-background-hover: #efeff4ff; // for navigation-item hover\n --color-background-hover--transparent: #efeff400;\n --color-background-border: #eeebee; // for UI borders\n --color-background-item: #ccc; // for \"background\" items (eg: copybutton)\n\n // Announcements\n --color-announcement-background: #000000dd;\n --color-announcement-text: #eeebee;\n\n // Brand colors\n --color-brand-primary: #2962ff;\n --color-brand-content: #2a5adf;\n\n // API documentation\n --color-api-background: var(--color-background-hover--transparent);\n --color-api-background-hover: var(--color-background-hover);\n --color-api-overall: var(--color-foreground-secondary);\n --color-api-name: var(--color-problematic);\n --color-api-pre-name: var(--color-problematic);\n --color-api-paren: var(--color-foreground-secondary);\n --color-api-keyword: var(--color-foreground-primary);\n --color-highlight-on-target: #ffffcc;\n\n // Inline code background\n --color-inline-code-background: var(--color-background-secondary);\n\n // Highlighted text (search)\n --color-highlighted-background: #ddeeff;\n --color-highlighted-text: var(--color-foreground-primary);\n\n // GUI Labels\n --color-guilabel-background: #ddeeff80;\n --color-guilabel-border: #bedaf580;\n --color-guilabel-text: var(--color-foreground-primary);\n\n // Admonitions!\n --color-admonition-background: transparent;\n\n //////////////////////////////////////////////////////////////////////////////\n // Everything below this should be one of:\n // - var(...)\n // - *-gradient(...)\n // - special literal values (eg: transparent, none)\n //////////////////////////////////////////////////////////////////////////////\n\n // Tables\n --color-table-header-background: var(--color-background-secondary);\n --color-table-border: var(--color-background-border);\n\n // Cards\n --color-card-border: var(--color-background-secondary);\n --color-card-background: transparent;\n --color-card-marginals-background: var(--color-background-secondary);\n\n // Header\n --color-header-background: var(--color-background-primary);\n --color-header-border: var(--color-background-border);\n --color-header-text: var(--color-foreground-primary);\n\n // Sidebar (left)\n --color-sidebar-background: var(--color-background-secondary);\n --color-sidebar-background-border: var(--color-background-border);\n\n --color-sidebar-brand-text: var(--color-foreground-primary);\n --color-sidebar-caption-text: var(--color-foreground-muted);\n --color-sidebar-link-text: var(--color-foreground-secondary);\n --color-sidebar-link-text--top-level: var(--color-brand-primary);\n\n --color-sidebar-item-background: var(--color-sidebar-background);\n --color-sidebar-item-background--current: var(\n --color-sidebar-item-background\n );\n --color-sidebar-item-background--hover: linear-gradient(\n 90deg,\n var(--color-background-hover--transparent) 0%,\n var(--color-background-hover) var(--sidebar-item-spacing-horizontal),\n var(--color-background-hover) 100%\n );\n\n --color-sidebar-item-expander-background: transparent;\n --color-sidebar-item-expander-background--hover: var(\n --color-background-hover\n );\n\n --color-sidebar-search-text: var(--color-foreground-primary);\n --color-sidebar-search-background: var(--color-background-secondary);\n --color-sidebar-search-background--focus: var(--color-background-primary);\n --color-sidebar-search-border: var(--color-background-border);\n --color-sidebar-search-icon: var(--color-foreground-muted);\n\n // Table of Contents (right)\n --color-toc-background: var(--color-background-primary);\n --color-toc-title-text: var(--color-foreground-muted);\n --color-toc-item-text: var(--color-foreground-secondary);\n --color-toc-item-text--hover: var(--color-foreground-primary);\n --color-toc-item-text--active: var(--color-brand-primary);\n\n // Actual page contents\n --color-content-foreground: var(--color-foreground-primary);\n --color-content-background: transparent;\n\n // Links\n --color-link: var(--color-brand-content);\n --color-link--hover: var(--color-brand-content);\n --color-link-underline: var(--color-background-border);\n --color-link-underline--hover: var(--color-foreground-border);\n}\n\n@mixin colors-dark {\n --color-problematic: #ee5151;\n\n // Base Colors\n --color-foreground-primary: #ffffffcc; // for main text and headings\n --color-foreground-secondary: #9ca0a5; // for secondary text\n --color-foreground-muted: #81868d; // for muted text\n --color-foreground-border: #666666; // for content borders\n\n --color-background-primary: #131416; // for content\n --color-background-secondary: #1a1c1e; // for navigation + ToC\n --color-background-hover: #1e2124ff; // for navigation-item hover\n --color-background-hover--transparent: #1e212400;\n --color-background-border: #303335; // for UI borders\n --color-background-item: #444; // for \"background\" items (eg: copybutton)\n\n // Announcements\n --color-announcement-background: #000000dd;\n --color-announcement-text: #eeebee;\n\n // Brand colors\n --color-brand-primary: #2b8cee;\n --color-brand-content: #368ce2;\n\n // Highlighted text (search)\n --color-highlighted-background: #083563;\n\n // GUI Labels\n --color-guilabel-background: #08356380;\n --color-guilabel-border: #13395f80;\n\n // API documentation\n --color-api-keyword: var(--color-foreground-secondary);\n --color-highlight-on-target: #333300;\n\n // Admonitions\n --color-admonition-background: #18181a;\n\n // Cards\n --color-card-border: var(--color-background-secondary);\n --color-card-background: #18181a;\n --color-card-marginals-background: var(--color-background-hover);\n}\n","// This file contains the styling for making the content throughout the page,\n// including fonts, paragraphs, headings and spacing among these elements.\n\nbody\n font-family: var(--font-stack)\npre,\ncode,\nkbd,\nsamp\n font-family: var(--font-stack--monospace)\n\n// Make fonts look slightly nicer.\nbody\n -webkit-font-smoothing: antialiased\n -moz-osx-font-smoothing: grayscale\n\n// Line height from Bootstrap 4.1\narticle\n line-height: 1.5\n\n//\n// Headings\n//\nh1,\nh2,\nh3,\nh4,\nh5,\nh6\n line-height: 1.25\n font-weight: bold\n\n border-radius: 0.5rem\n margin-top: 0.5rem\n margin-bottom: 0.5rem\n margin-left: -0.5rem\n margin-right: -0.5rem\n padding-left: 0.5rem\n padding-right: 0.5rem\n\n + p\n margin-top: 0\n\nh1\n font-size: 2.5em\n margin-top: 1.75rem\n margin-bottom: 1rem\nh2\n font-size: 2em\n margin-top: 1.75rem\nh3\n font-size: 1.5em\nh4\n font-size: 1.25em\nh5\n font-size: 1.125em\nh6\n font-size: 1em\n\nsmall\n opacity: 75%\n font-size: 80%\n\n// Paragraph\np\n margin-top: 0.5rem\n margin-bottom: 0.75rem\n\n// Horizontal rules\nhr.docutils\n height: 1px\n padding: 0\n margin: 2rem 0\n background-color: var(--color-background-border)\n border: 0\n\n.centered\n text-align: center\n\n// Links\na\n text-decoration: underline\n\n color: var(--color-link)\n text-decoration-color: var(--color-link-underline)\n\n &:hover\n color: var(--color-link--hover)\n text-decoration-color: var(--color-link-underline--hover)\n &.muted-link\n color: inherit\n &:hover\n color: var(--color-link)\n text-decoration-color: var(--color-link-underline--hover)\n","// This file contains the styles for the overall layouting of the documentation\n// skeleton, including the responsive changes as well as sidebar toggles.\n//\n// This is implemented as a mobile-last design, which isn't ideal, but it is\n// reasonably good-enough and I got pretty tired by the time I'd finished this\n// to move the rules around to fix this. Shouldn't take more than 3-4 hours,\n// if you know what you're doing tho.\n\n// HACK: Not all browsers account for the scrollbar width in media queries.\n// This results in horizontal scrollbars in the breakpoint where we go\n// from displaying everything to hiding the ToC. We accomodate for this by\n// adding a bit of padding to the TOC drawer, disabling the horizontal\n// scrollbar and allowing the scrollbars to cover the padding.\n// https://www.456bereastreet.com/archive/201301/media_query_width_and_vertical_scrollbars/\n\n// HACK: Always having the scrollbar visible, prevents certain browsers from\n// causing the content to stutter horizontally between taller-than-viewport and\n// not-taller-than-viewport pages.\n\nhtml\n overflow-x: hidden\n overflow-y: scroll\n scroll-behavior: smooth\n\n.sidebar-scroll, .toc-scroll, article[role=main] *\n // Override Firefox scrollbar style\n scrollbar-width: thin\n scrollbar-color: var(--color-foreground-border) transparent\n\n // Override Chrome scrollbar styles\n &::-webkit-scrollbar\n width: 0.25rem\n height: 0.25rem\n &::-webkit-scrollbar-thumb\n background-color: var(--color-foreground-border)\n border-radius: 0.125rem\n\n//\n// Overalls\n//\nhtml,\nbody\n height: 100%\n color: var(--color-foreground-primary)\n background: var(--color-background-primary)\n\narticle\n color: var(--color-content-foreground)\n background: var(--color-content-background)\n overflow-wrap: break-word\n\n.page\n display: flex\n // fill the viewport for pages with little content.\n min-height: 100%\n\n.mobile-header\n width: 100%\n height: var(--header-height)\n background-color: var(--color-header-background)\n color: var(--color-header-text)\n border-bottom: 1px solid var(--color-header-border)\n\n // Looks like sub-script/super-script have this, and we need this to\n // be \"on top\" of those.\n z-index: 10\n\n // We don't show the header on large screens.\n display: none\n\n // Add shadow when scrolled\n &.scrolled\n border-bottom: none\n box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.1), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.2)\n\n .header-center\n a\n color: var(--color-header-text)\n text-decoration: none\n\n.main\n display: flex\n flex: 1\n\n// Sidebar (left) also covers the entire left portion of screen.\n.sidebar-drawer\n box-sizing: border-box\n\n border-right: 1px solid var(--color-sidebar-background-border)\n background: var(--color-sidebar-background)\n\n display: flex\n justify-content: flex-end\n // These next two lines took me two days to figure out.\n width: calc((100% - #{$full-width}) / 2 + #{$sidebar-width})\n min-width: $sidebar-width\n\n// Scroll-along sidebars\n.sidebar-container,\n.toc-drawer\n box-sizing: border-box\n width: $sidebar-width\n\n.toc-drawer\n background: var(--color-toc-background)\n // See HACK described on top of this document\n padding-right: 1rem\n\n.sidebar-sticky,\n.toc-sticky\n position: sticky\n top: 0\n height: min(100%, 100vh)\n height: 100vh\n\n display: flex\n flex-direction: column\n\n.sidebar-scroll,\n.toc-scroll\n flex-grow: 1\n flex-shrink: 1\n\n overflow: auto\n scroll-behavior: smooth\n\n// Central items.\n.content\n padding: 0 $content-padding\n width: $content-width\n\n display: flex\n flex-direction: column\n justify-content: space-between\n\n.icon\n display: inline-block\n height: 1rem\n width: 1rem\n svg\n width: 100%\n height: 100%\n\n//\n// Accommodate announcement banner\n//\n.announcement\n background-color: var(--color-announcement-background)\n color: var(--color-announcement-text)\n\n height: var(--header-height)\n display: flex\n align-items: center\n overflow-x: auto\n & + .page\n min-height: calc(100% - var(--header-height))\n\n.announcement-content\n box-sizing: border-box\n padding: 0.5rem\n min-width: 100%\n white-space: nowrap\n text-align: center\n\n a\n color: var(--color-announcement-text)\n text-decoration-color: var(--color-announcement-text)\n\n &:hover\n color: var(--color-announcement-text)\n text-decoration-color: var(--color-link--hover)\n\n////////////////////////////////////////////////////////////////////////////////\n// Toggles for theme\n////////////////////////////////////////////////////////////////////////////////\n.no-js .theme-toggle-container // don't show theme toggle if there's no JS\n display: none\n\n.theme-toggle-container\n vertical-align: middle\n\n.theme-toggle\n cursor: pointer\n border: none\n padding: 0\n background: transparent\n\n.theme-toggle svg\n vertical-align: middle\n height: 1rem\n width: 1rem\n color: var(--color-foreground-primary)\n display: none\n\n.theme-toggle-header\n float: left\n padding: 1rem 0.5rem\n\n////////////////////////////////////////////////////////////////////////////////\n// Toggles for elements\n////////////////////////////////////////////////////////////////////////////////\n.toc-overlay-icon, .nav-overlay-icon\n display: none\n cursor: pointer\n\n .icon\n color: var(--color-foreground-secondary)\n height: 1rem\n width: 1rem\n\n.toc-header-icon, .nav-overlay-icon\n // for when we set display: flex\n justify-content: center\n align-items: center\n\n.toc-content-icon\n height: 1.5rem\n width: 1.5rem\n\n.content-icon-container\n float: right\n display: flex\n margin-top: 1.5rem\n margin-left: 1rem\n margin-bottom: 1rem\n gap: 0.5rem\n\n .edit-this-page svg\n color: inherit\n height: 1rem\n width: 1rem\n\n.sidebar-toggle\n position: absolute\n display: none\n// \n.sidebar-toggle[name=\"__toc\"]\n left: 20px\n.sidebar-toggle:checked\n left: 40px\n// \n\n.overlay\n position: fixed\n top: 0\n width: 0\n height: 0\n\n transition: width 0ms, height 0ms, opacity 250ms ease-out\n\n opacity: 0\n background-color: rgba(0, 0, 0, 0.54)\n.sidebar-overlay\n z-index: 20\n.toc-overlay\n z-index: 40\n\n// Keep things on top and smooth.\n.sidebar-drawer\n z-index: 30\n transition: left 250ms ease-in-out\n.toc-drawer\n z-index: 50\n transition: right 250ms ease-in-out\n\n// Show the Sidebar\n#__navigation:checked\n & ~ .sidebar-overlay\n width: 100%\n height: 100%\n opacity: 1\n & ~ .page\n .sidebar-drawer\n top: 0\n left: 0\n // Show the toc sidebar\n#__toc:checked\n & ~ .toc-overlay\n width: 100%\n height: 100%\n opacity: 1\n & ~ .page\n .toc-drawer\n top: 0\n right: 0\n\n////////////////////////////////////////////////////////////////////////////////\n// Back to top\n////////////////////////////////////////////////////////////////////////////////\n.back-to-top\n text-decoration: none\n\n display: none\n position: fixed\n left: 0\n top: 1rem\n padding: 0.5rem\n padding-right: 0.75rem\n border-radius: 1rem\n font-size: 0.8125rem\n\n background: var(--color-background-primary)\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), #6b728080 0px 0px 1px 0px\n\n z-index: 10\n\n margin-left: 50%\n transform: translateX(-50%)\n svg\n height: 1rem\n width: 1rem\n fill: currentColor\n display: inline-block\n\n span\n margin-left: 0.25rem\n\n .show-back-to-top &\n display: flex\n align-items: center\n\n////////////////////////////////////////////////////////////////////////////////\n// Responsive layouting\n////////////////////////////////////////////////////////////////////////////////\n// Make things a bit bigger on bigger screens.\n@media (min-width: $full-width + $sidebar-width)\n html\n font-size: 110%\n\n@media (max-width: $full-width)\n // Collapse \"toc\" into the icon.\n .toc-content-icon\n display: flex\n .toc-drawer\n position: fixed\n height: 100vh\n top: 0\n right: -$sidebar-width\n border-left: 1px solid var(--color-background-muted)\n .toc-tree\n border-left: none\n font-size: var(--toc-font-size--mobile)\n\n // Accomodate for a changed content width.\n .sidebar-drawer\n width: calc((100% - #{$full-width - $sidebar-width}) / 2 + #{$sidebar-width})\n\n@media (max-width: $full-width - $sidebar-width)\n // Collapse \"navigation\".\n .nav-overlay-icon\n display: flex\n .sidebar-drawer\n position: fixed\n height: 100vh\n width: $sidebar-width\n\n top: 0\n left: -$sidebar-width\n\n // Swap which icon is visible.\n .toc-header-icon\n display: flex\n .toc-content-icon, .theme-toggle-content\n display: none\n .theme-toggle-header\n display: block\n\n // Show the header.\n .mobile-header\n position: sticky\n top: 0\n display: flex\n justify-content: space-between\n align-items: center\n\n .header-left,\n .header-right\n display: flex\n height: var(--header-height)\n padding: 0 var(--header-padding)\n label\n height: 100%\n width: 100%\n user-select: none\n\n .nav-overlay-icon .icon,\n .theme-toggle svg\n height: 1.25rem\n width: 1.25rem\n\n // Add a scroll margin for the content\n :target\n scroll-margin-top: var(--header-height)\n\n // Show back-to-top below the header\n .back-to-top\n top: calc(var(--header-height) + 0.5rem)\n\n // Center the page, and accommodate for the header.\n .page\n flex-direction: column\n justify-content: center\n .content\n margin-left: auto\n margin-right: auto\n\n@media (max-width: $content-width + 2* $content-padding)\n // Content should respect window limits.\n .content\n width: 100%\n overflow-x: auto\n\n@media (max-width: $content-width)\n .content\n padding: 0 $content-padding--small\n // Don't float sidebars to the right.\n article aside.sidebar\n float: none\n width: 100%\n margin: 1rem 0\n","//\n// The design here is strongly inspired by mkdocs-material.\n.admonition, .topic\n margin: 1rem auto\n padding: 0 0.5rem 0.5rem 0.5rem\n\n background: var(--color-admonition-background)\n\n border-radius: 0.2rem\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0 0.0625rem rgba(0, 0, 0, 0.1)\n\n font-size: var(--admonition-font-size)\n\n overflow: hidden\n page-break-inside: avoid\n\n // First element should have no margin, since the title has it.\n > :nth-child(2)\n margin-top: 0\n\n // Last item should have no margin, since we'll control that w/ padding\n > :last-child\n margin-bottom: 0\n\n.admonition p.admonition-title,\np.topic-title\n position: relative\n margin: 0 -0.5rem 0.5rem\n padding-left: 2rem\n padding-right: .5rem\n padding-top: .4rem\n padding-bottom: .4rem\n\n font-weight: 500\n font-size: var(--admonition-title-font-size)\n line-height: 1.3\n\n // Our fancy icon\n &::before\n content: \"\"\n position: absolute\n left: 0.5rem\n width: 1rem\n height: 1rem\n\n// Default styles\np.admonition-title\n background-color: var(--color-admonition-title-background)\n &::before\n background-color: var(--color-admonition-title)\n mask-image: var(--icon-admonition-default)\n mask-repeat: no-repeat\n\np.topic-title\n background-color: var(--color-topic-title-background)\n &::before\n background-color: var(--color-topic-title)\n mask-image: var(--icon-topic-default)\n mask-repeat: no-repeat\n\n//\n// Variants\n//\n.admonition\n border-left: 0.2rem solid var(--color-admonition-title)\n\n @each $type, $value in $admonitions\n &.#{$type}\n border-left-color: var(--color-admonition-title--#{$type})\n > .admonition-title\n background-color: var(--color-admonition-title-background--#{$type})\n &::before\n background-color: var(--color-admonition-title--#{$type})\n mask-image: var(--icon-#{nth($value, 2)})\n\n.admonition-todo > .admonition-title\n text-transform: uppercase\n","// This file stylizes the API documentation (stuff generated by autodoc). It's\n// deeply nested due to how autodoc structures the HTML without enough classes\n// to select the relevant items.\n\n// API docs!\ndl[class]:not(.option-list):not(.field-list):not(.footnote):not(.glossary):not(.simple)\n // Tweak the spacing of all the things!\n dd\n margin-left: 2rem\n > :first-child\n margin-top: 0.125rem\n > :last-child\n margin-bottom: 0.75rem\n\n // This is used for the arguments\n .field-list\n margin-bottom: 0.75rem\n\n // \"Headings\" (like \"Parameters\" and \"Return\")\n > dt\n text-transform: uppercase\n font-size: var(--font-size--small)\n\n dd:empty\n margin-bottom: 0.5rem\n dd > ul\n margin-left: -1.2rem\n > li\n > p:nth-child(2)\n margin-top: 0\n // When the last-empty-paragraph follows a paragraph, it doesn't need\n // to augument the existing spacing.\n > p + p:last-child:empty\n margin-top: 0\n margin-bottom: 0\n\n // Colorize the elements\n > dt\n color: var(--color-api-overall)\n\n.sig:not(.sig-inline)\n font-weight: bold\n\n font-size: var(--api-font-size)\n font-family: var(--font-stack--monospace)\n\n margin-left: -0.25rem\n margin-right: -0.25rem\n padding-top: 0.25rem\n padding-bottom: 0.25rem\n padding-right: 0.5rem\n\n // These are intentionally em, to properly match the font size.\n padding-left: 3em\n text-indent: -2.5em\n\n border-radius: 0.25rem\n\n background: var(--color-api-background)\n transition: background 100ms ease-out\n\n &:hover\n background: var(--color-api-background-hover)\n\n // adjust the size of the [source] link on the right.\n a.reference\n .viewcode-link\n font-weight: normal\n width: 3.5rem\n\nem.property\n font-style: normal\n &:first-child\n color: var(--color-api-keyword)\n.sig-name\n color: var(--color-api-name)\n.sig-prename\n font-weight: normal\n color: var(--color-api-pre-name)\n.sig-paren\n color: var(--color-api-paren)\n.sig-param\n font-style: normal\n\n.versionmodified\n font-style: italic\ndiv.versionadded, div.versionchanged, div.deprecated\n p\n margin-top: 0.125rem\n margin-bottom: 0.125rem\n\n// Align the [docs] and [source] to the right.\n.viewcode-link, .viewcode-back\n float: right\n text-align: right\n",".line-block\n margin-top: 0.5rem\n margin-bottom: 0.75rem\n .line-block\n margin-top: 0rem\n margin-bottom: 0rem\n padding-left: 1rem\n","// Captions\narticle p.caption,\ntable > caption,\n.code-block-caption\n font-size: var(--font-size--small)\n text-align: center\n\n// Caption above a TOCTree\n.toctree-wrapper.compound\n .caption, :not(.caption) > .caption-text\n font-size: var(--font-size--small)\n text-transform: uppercase\n\n text-align: initial\n margin-bottom: 0\n\n > ul\n margin-top: 0\n margin-bottom: 0\n","// Inline code\ncode.literal, .sig-inline\n background: var(--color-inline-code-background)\n border-radius: 0.2em\n // Make the font smaller, and use padding to recover.\n font-size: var(--font-size--small--2)\n padding: 0.1em 0.2em\n\n pre.literal-block &\n font-size: inherit\n padding: 0\n\n p &\n border: 1px solid var(--color-background-border)\n\n.sig-inline\n font-family: var(--font-stack--monospace)\n\n// Code and Literal Blocks\n$code-spacing-vertical: 0.625rem\n$code-spacing-horizontal: 0.875rem\n\n// Wraps every literal block + line numbers.\ndiv[class*=\" highlight-\"],\ndiv[class^=\"highlight-\"]\n margin: 1em 0\n display: flex\n\n .table-wrapper\n margin: 0\n padding: 0\n\npre\n margin: 0\n padding: 0\n overflow: auto\n\n // Needed to have more specificity than pygments' \"pre\" selector. :(\n article[role=\"main\"] .highlight &\n line-height: 1.5\n\n &.literal-block,\n .highlight &\n font-size: var(--code-font-size)\n padding: $code-spacing-vertical $code-spacing-horizontal\n\n // Make it look like all the other blocks.\n &.literal-block\n margin-top: 1rem\n margin-bottom: 1rem\n\n border-radius: 0.2rem\n background-color: var(--color-code-background)\n color: var(--color-code-foreground)\n\n// All code is always contained in this.\n.highlight\n width: 100%\n border-radius: 0.2rem\n\n // Make line numbers and prompts un-selectable.\n .gp, span.linenos\n user-select: none\n pointer-events: none\n\n // Expand the line-highlighting.\n .hll\n display: block\n margin-left: -$code-spacing-horizontal\n margin-right: -$code-spacing-horizontal\n padding-left: $code-spacing-horizontal\n padding-right: $code-spacing-horizontal\n\n/* Make code block captions be nicely integrated */\n.code-block-caption\n display: flex\n padding: $code-spacing-vertical $code-spacing-horizontal\n\n border-radius: 0.25rem\n border-bottom-left-radius: 0\n border-bottom-right-radius: 0\n font-weight: 300\n border-bottom: 1px solid\n\n background-color: var(--color-code-background)\n color: var(--color-code-foreground)\n border-color: var(--color-background-border)\n\n + div[class]\n margin-top: 0\n pre\n border-top-left-radius: 0\n border-top-right-radius: 0\n\n// When `html_codeblock_linenos_style` is table.\n.highlighttable\n width: 100%\n display: block\n tbody\n display: block\n\n tr\n display: flex\n\n // Line numbers\n td.linenos\n background-color: var(--color-code-background)\n color: var(--color-code-foreground)\n padding: $code-spacing-vertical $code-spacing-horizontal\n padding-right: 0\n border-top-left-radius: 0.2rem\n border-bottom-left-radius: 0.2rem\n\n .linenodiv\n padding-right: $code-spacing-horizontal\n font-size: var(--code-font-size)\n box-shadow: -0.0625rem 0 var(--color-foreground-border) inset\n\n // Actual code\n td.code\n padding: 0\n display: block\n flex: 1\n overflow: hidden\n\n .highlight\n border-top-left-radius: 0\n border-bottom-left-radius: 0\n\n// When `html_codeblock_linenos_style` is inline.\n.highlight\n span.linenos\n display: inline-block\n padding-left: 0\n padding-right: $code-spacing-horizontal\n margin-right: $code-spacing-horizontal\n box-shadow: -0.0625rem 0 var(--color-foreground-border) inset\n","// Inline Footnote Reference\n.footnote-reference\n font-size: var(--font-size--small--4)\n vertical-align: super\n\n// Definition list, listing the content of each note.\n// docutils <= 0.17\ndl.footnote.brackets\n font-size: var(--font-size--small)\n color: var(--color-foreground-secondary)\n\n display: grid\n grid-template-columns: max-content auto\n dt\n margin: 0\n > .fn-backref\n margin-left: 0.25rem\n\n &:after\n content: \":\"\n\n .brackets\n &:before\n content: \"[\"\n &:after\n content: \"]\"\n\n dd\n margin: 0\n padding: 0 1rem\n\n// docutils >= 0.18\naside.footnote\n font-size: var(--font-size--small)\n color: var(--color-foreground-secondary)\n\naside.footnote > span,\ndiv.citation > span\n float: left\n font-weight: 500\n padding-right: 0.25rem\n\naside.footnote > p,\ndiv.citation > p\n margin-left: 2rem\n","//\n// Figures\n//\nimg\n box-sizing: border-box\n max-width: 100%\n height: auto\n\narticle\n figure, .figure\n border-radius: 0.2rem\n\n margin: 0\n :last-child\n margin-bottom: 0\n\n .align-left\n float: left\n clear: left\n margin: 0 1rem 1rem\n\n .align-right\n float: right\n clear: right\n margin: 0 1rem 1rem\n\n .align-default,\n .align-center\n display: block\n text-align: center\n margin-left: auto\n margin-right: auto\n\n // WELL, table needs to be stylised like a table.\n table.align-default\n display: table\n text-align: initial\n",".genindex-jumpbox, .domainindex-jumpbox\n border-top: 1px solid var(--color-background-border)\n border-bottom: 1px solid var(--color-background-border)\n padding: 0.25rem\n\n.genindex-section, .domainindex-section\n h2\n margin-top: 0.75rem\n margin-bottom: 0.5rem\n ul\n margin-top: 0\n margin-bottom: 0\n","ul,\nol\n padding-left: 1.2rem\n\n // Space lists out like paragraphs\n margin-top: 1rem\n margin-bottom: 1rem\n // reduce margins within li.\n li\n > p:first-child\n margin-top: 0.25rem\n margin-bottom: 0.25rem\n\n > p:last-child\n margin-top: 0.25rem\n\n > ul,\n > ol\n margin-top: 0.5rem\n margin-bottom: 0.5rem\n\nol\n &.arabic\n list-style: decimal\n &.loweralpha\n list-style: lower-alpha\n &.upperalpha\n list-style: upper-alpha\n &.lowerroman\n list-style: lower-roman\n &.upperroman\n list-style: upper-roman\n\n// Don't space lists out when they're \"simple\" or in a `.. toctree::`\n.simple,\n.toctree-wrapper\n li\n > ul,\n > ol\n margin-top: 0\n margin-bottom: 0\n\n// Definition Lists\n.field-list,\n.option-list,\ndl:not([class]),\ndl.simple,\ndl.footnote,\ndl.glossary\n dt\n font-weight: 500\n margin-top: 0.25rem\n + dt\n margin-top: 0\n\n .classifier::before\n content: \":\"\n margin-left: 0.2rem\n margin-right: 0.2rem\n\n dd\n > p:first-child,\n ul\n margin-top: 0.125rem\n\n ul\n margin-bottom: 0.125rem\n",".math-wrapper\n width: 100%\n overflow-x: auto\n\ndiv.math\n position: relative\n text-align: center\n\n .headerlink,\n &:focus .headerlink\n display: none\n\n &:hover .headerlink\n display: inline-block\n\n span.eqno\n position: absolute\n right: 0.5rem\n top: 50%\n transform: translate(0, -50%)\n z-index: 1\n","// Abbreviations\nabbr[title]\n cursor: help\n\n// \"Problematic\" content, as identified by Sphinx\n.problematic\n color: var(--color-problematic)\n\n// Keyboard / Mouse \"instructions\"\nkbd:not(.compound)\n margin: 0 0.2rem\n padding: 0 0.2rem\n border-radius: 0.2rem\n border: 1px solid var(--color-foreground-border)\n color: var(--color-foreground-primary)\n vertical-align: text-bottom\n\n font-size: var(--font-size--small--3)\n display: inline-block\n\n box-shadow: 0 0.0625rem 0 rgba(0, 0, 0, 0.2), inset 0 0 0 0.125rem var(--color-background-primary)\n\n background-color: var(--color-background-secondary)\n\n// Blockquote\nblockquote\n border-left: 4px solid var(--color-background-border)\n background: var(--color-background-secondary)\n\n margin-left: 0\n margin-right: 0\n padding: 0.5rem 1rem\n\n .attribution\n font-weight: 600\n text-align: right\n\n &.pull-quote,\n &.highlights\n font-size: 1.25em\n\n &.epigraph,\n &.pull-quote\n border-left-width: 0\n border-radius: 0.5rem\n\n &.highlights\n border-left-width: 0\n background: transparent\n\n// Center align embedded-in-text images\np .reference img\n vertical-align: middle\n","p.rubric\n line-height: 1.25\n font-weight: bold\n font-size: 1.125em\n\n // For Numpy-style documentation that's got rubrics within it.\n // https://github.com/pradyunsg/furo/discussions/505\n dd &\n line-height: inherit\n font-weight: inherit\n\n font-size: var(--font-size--small)\n text-transform: uppercase\n","article .sidebar\n float: right\n clear: right\n width: 30%\n\n margin-left: 1rem\n margin-right: 0\n\n border-radius: 0.2rem\n background-color: var(--color-background-secondary)\n border: var(--color-background-border) 1px solid\n\n > *\n padding-left: 1rem\n padding-right: 1rem\n\n > ul, > ol // lists need additional padding, because bullets.\n padding-left: 2.2rem\n\n .sidebar-title\n margin: 0\n padding: 0.5rem 1rem\n border-bottom: var(--color-background-border) 1px solid\n\n font-weight: 500\n\n// TODO: subtitle\n// TODO: dedicated variables?\n",".table-wrapper\n width: 100%\n overflow-x: auto\n margin-top: 1rem\n margin-bottom: 0.5rem\n padding: 0.2rem 0.2rem 0.75rem\n\ntable.docutils\n border-radius: 0.2rem\n border-spacing: 0\n border-collapse: collapse\n\n box-shadow: 0 0.2rem 0.5rem rgba(0, 0, 0, 0.05), 0 0 0.0625rem rgba(0, 0, 0, 0.1)\n\n th\n background: var(--color-table-header-background)\n\n td,\n th\n // Space things out properly\n padding: 0 0.25rem\n\n // Get the borders looking just-right.\n border-left: 1px solid var(--color-table-border)\n border-right: 1px solid var(--color-table-border)\n border-bottom: 1px solid var(--color-table-border)\n\n p\n margin: 0.25rem\n\n &:first-child\n border-left: none\n &:last-child\n border-right: none\n\n // MyST-parser tables set these classes for control of column alignment\n &.text-left\n text-align: left\n &.text-right\n text-align: right\n &.text-center\n text-align: center\n",":target\n scroll-margin-top: 0.5rem\n\n@media (max-width: $full-width - $sidebar-width)\n :target\n scroll-margin-top: calc(0.5rem + var(--header-height))\n\n // When a heading is selected\n section > span:target\n scroll-margin-top: calc(0.8rem + var(--header-height))\n\n// Permalinks\n.headerlink\n font-weight: 100\n user-select: none\n\nh1,\nh2,\nh3,\nh4,\nh5,\nh6,\ndl dt,\np.caption,\nfigcaption p,\ntable > caption,\n.code-block-caption\n > .headerlink\n margin-left: 0.5rem\n visibility: hidden\n &:hover > .headerlink\n visibility: visible\n\n // Don't change to link-like, if someone adds the contents directive.\n > .toc-backref\n color: inherit\n text-decoration-line: none\n\n// Figure and table captions are special.\nfigure:hover > figcaption > p > .headerlink,\ntable:hover > caption > .headerlink\n visibility: visible\n\n:target >, // Regular section[id] style anchors\nspan:target ~ // Non-regular span[id] style \"extra\" anchors\n h1,\n h2,\n h3,\n h4,\n h5,\n h6\n &:nth-of-type(1)\n background-color: var(--color-highlight-on-target)\n // .headerlink\n // visibility: visible\n code.literal\n background-color: transparent\n\ntable:target > caption,\nfigure:target\n background-color: var(--color-highlight-on-target)\n\n// Inline page contents\n.this-will-duplicate-information-and-it-is-still-useful-here li :target\n background-color: var(--color-highlight-on-target)\n\n// Code block permalinks\n.literal-block-wrapper:target .code-block-caption\n background-color: var(--color-highlight-on-target)\n\n// When a definition list item is selected\n//\n// There isn't really an alternative to !important here, due to the\n// high-specificity of API documentation's selector.\ndt:target\n background-color: var(--color-highlight-on-target) !important\n\n// When a footnote reference is selected\n.footnote > dt:target + dd,\n.footnote-reference:target\n background-color: var(--color-highlight-on-target)\n",".guilabel\n background-color: var(--color-guilabel-background)\n border: 1px solid var(--color-guilabel-border)\n color: var(--color-guilabel-text)\n\n padding: 0 0.3em\n border-radius: 0.5em\n font-size: 0.9em\n","// This file contains the styles used for stylizing the footer that's shown\n// below the content.\n\nfooter\n font-size: var(--font-size--small)\n display: flex\n flex-direction: column\n\n margin-top: 2rem\n\n// Bottom of page information\n.bottom-of-page\n display: flex\n align-items: center\n justify-content: space-between\n\n margin-top: 1rem\n padding-top: 1rem\n padding-bottom: 1rem\n\n color: var(--color-foreground-secondary)\n border-top: 1px solid var(--color-background-border)\n\n line-height: 1.5\n\n @media (max-width: $content-width)\n text-align: center\n flex-direction: column-reverse\n gap: 0.25rem\n\n .left-details\n font-size: var(--font-size--small)\n\n .right-details\n display: flex\n flex-direction: column\n gap: 0.25rem\n text-align: right\n\n .icons\n display: flex\n justify-content: flex-end\n gap: 0.25rem\n font-size: 1rem\n\n a\n text-decoration: none\n\n svg,\n img\n font-size: 1.125rem\n height: 1em\n width: 1em\n\n// Next/Prev page information\n.related-pages\n a\n display: flex\n align-items: center\n\n text-decoration: none\n &:hover .page-info .title\n text-decoration: underline\n color: var(--color-link)\n text-decoration-color: var(--color-link-underline)\n\n svg.furo-related-icon,\n svg.furo-related-icon > use\n flex-shrink: 0\n\n color: var(--color-foreground-border)\n\n width: 0.75rem\n height: 0.75rem\n margin: 0 0.5rem\n\n &.next-page\n max-width: 50%\n\n float: right\n clear: right\n text-align: right\n\n &.prev-page\n max-width: 50%\n\n float: left\n clear: left\n\n svg\n transform: rotate(180deg)\n\n.page-info\n display: flex\n flex-direction: column\n overflow-wrap: anywhere\n\n .next-page &\n align-items: flex-end\n\n .context\n display: flex\n align-items: center\n\n padding-bottom: 0.1rem\n\n color: var(--color-foreground-muted)\n font-size: var(--font-size--small)\n text-decoration: none\n","// This file contains the styles for the contents of the left sidebar, which\n// contains the navigation tree, logo, search etc.\n\n////////////////////////////////////////////////////////////////////////////////\n// Brand on top of the scrollable tree.\n////////////////////////////////////////////////////////////////////////////////\n.sidebar-brand\n display: flex\n flex-direction: column\n flex-shrink: 0\n\n padding: var(--sidebar-item-spacing-vertical) var(--sidebar-item-spacing-horizontal)\n text-decoration: none\n\n.sidebar-brand-text\n color: var(--color-sidebar-brand-text)\n overflow-wrap: break-word\n margin: var(--sidebar-item-spacing-vertical) 0\n font-size: 1.5rem\n\n.sidebar-logo-container\n margin: var(--sidebar-item-spacing-vertical) 0\n\n.sidebar-logo\n margin: 0 auto\n display: block\n max-width: 100%\n\n////////////////////////////////////////////////////////////////////////////////\n// Search\n////////////////////////////////////////////////////////////////////////////////\n.sidebar-search-container\n display: flex\n align-items: center\n margin-top: var(--sidebar-search-space-above)\n\n position: relative\n\n background: var(--color-sidebar-search-background)\n &:hover,\n &:focus-within\n background: var(--color-sidebar-search-background--focus)\n\n &::before\n content: \"\"\n position: absolute\n left: var(--sidebar-item-spacing-horizontal)\n width: var(--sidebar-search-icon-size)\n height: var(--sidebar-search-icon-size)\n\n background-color: var(--color-sidebar-search-icon)\n mask-image: var(--icon-search)\n\n.sidebar-search\n box-sizing: border-box\n\n border: none\n border-top: 1px solid var(--color-sidebar-search-border)\n border-bottom: 1px solid var(--color-sidebar-search-border)\n\n padding-top: var(--sidebar-search-input-spacing-vertical)\n padding-bottom: var(--sidebar-search-input-spacing-vertical)\n padding-right: var(--sidebar-search-input-spacing-horizontal)\n padding-left: calc(var(--sidebar-item-spacing-horizontal) + var(--sidebar-search-input-spacing-horizontal) + var(--sidebar-search-icon-size))\n\n width: 100%\n\n color: var(--color-sidebar-search-foreground)\n background: transparent\n z-index: 10\n\n &:focus\n outline: none\n\n &::placeholder\n font-size: var(--sidebar-search-input-font-size)\n\n//\n// Hide Search Matches link\n//\n#searchbox .highlight-link\n padding: var(--sidebar-item-spacing-vertical) var(--sidebar-item-spacing-horizontal) 0\n margin: 0\n text-align: center\n\n a\n color: var(--color-sidebar-search-icon)\n font-size: var(--font-size--small--2)\n\n////////////////////////////////////////////////////////////////////////////////\n// Structure/Skeleton of the navigation tree (left)\n////////////////////////////////////////////////////////////////////////////////\n.sidebar-tree\n font-size: var(--sidebar-item-font-size)\n margin-top: var(--sidebar-tree-space-above)\n margin-bottom: var(--sidebar-item-spacing-vertical)\n\n ul\n padding: 0\n margin-top: 0\n margin-bottom: 0\n\n display: flex\n flex-direction: column\n\n list-style: none\n\n li\n position: relative\n margin: 0\n\n > ul\n margin-left: var(--sidebar-item-spacing-horizontal)\n\n .icon\n color: var(--color-sidebar-link-text)\n\n .reference\n box-sizing: border-box\n color: var(--color-sidebar-link-text)\n\n // Fill the parent.\n display: inline-block\n line-height: var(--sidebar-item-line-height)\n text-decoration: none\n\n // Don't allow long words to cause wrapping.\n overflow-wrap: anywhere\n\n height: 100%\n width: 100%\n\n padding: var(--sidebar-item-spacing-vertical) var(--sidebar-item-spacing-horizontal)\n\n &:hover\n background: var(--color-sidebar-item-background--hover)\n\n // Add a nice little \"external-link\" arrow here.\n &.external::after\n content: url('data:image/svg+xml,')\n margin: 0 0.25rem\n vertical-align: middle\n color: var(--color-sidebar-link-text)\n\n // Make the current page reference bold.\n .current-page > .reference\n font-weight: bold\n\n label\n position: absolute\n top: 0\n right: 0\n height: var(--sidebar-item-height)\n width: var(--sidebar-expander-width)\n\n cursor: pointer\n user-select: none\n\n display: flex\n justify-content: center\n align-items: center\n\n .caption, :not(.caption) > .caption-text\n font-size: var(--sidebar-caption-font-size)\n color: var(--color-sidebar-caption-text)\n\n font-weight: bold\n text-transform: uppercase\n\n margin: var(--sidebar-caption-space-above) 0 0 0\n padding: var(--sidebar-item-spacing-vertical) var(--sidebar-item-spacing-horizontal)\n\n // If it has children, add a bit more padding to wrap the content to avoid\n // overlapping with the