Move PhotonVersion to C++ file

.gitignore

@@ -160,3 +160,4 @@ photonlib-cpp-examples/*/vendordeps/*
 */networktables.json
 *.sqlite
 photon-server/src/main/resources/web/index.html
+photon-lib/src/generate/native/cpp/PhotonVersion.cpp

photon-lib/build.gradle

@@ -78,6 +78,7 @@ model {
                 cpp {
                     source {
                         srcDirs "src/main/native/cpp"
+                        srcDirs "src/generate/native/cpp"
                         include "**/*.cpp"
                     }
                     exportedHeaders {
@@ -140,8 +141,8 @@ task writeCurrentVersion {
     def versionFileIn = file("${rootDir}/shared/PhotonVersion.java.in")
     writePhotonVersionFile(versionFileIn, Path.of("$projectDir", "src", "main", "java", "org", "photonvision", "PhotonVersion.java"),
             versionString)
-    versionFileIn = file("${rootDir}/shared/PhotonVersion.h.in")
-    writePhotonVersionFile(versionFileIn, Path.of("$projectDir", "src", "generate", "native", "include", "PhotonVersion.h"),
+    versionFileIn = file("${rootDir}/shared/PhotonVersion.cpp.in")
+    writePhotonVersionFile(versionFileIn, Path.of("$projectDir", "src", "generate", "native", "cpp", "PhotonVersion.cpp"),
             versionString)
 }
 

photon-lib/publish.gradle

@@ -1,7 +1,6 @@
 apply plugin: 'maven-publish'
 
 ext.licenseFile = files("$rootDir/LICENSE")
-ext.photonVersionFile = files("$projectDir/src/generate/native/include")
 
 def outputsFolder = file("$buildDir/outputs")
 def allOutputsFolder = file("$buildDir/allOutputs")
@@ -51,11 +50,9 @@ task cppHeadersZip(type: Zip) {
     archiveBaseName = zipBaseName
     classifier = "headers"
 
-    from(licenseFile) {
-        into '/'
-    }
+    duplicatesStrategy = "warn"
 
-    from(photonVersionFile) {
+    from(licenseFile) {
         into '/'
     }
 

photon-lib/src/main/native/cpp/photonlib/PhotonCamera.cpp

@@ -151,6 +151,22 @@ std::optional<cv::Mat> PhotonCamera::GetDistCoeffs() {
   return std::nullopt;
 }
 
+static bool VersionMatches(std::string them_str) {
+  std::smatch match;
+  std::regex versionPattern{"v[0-9]+.[0-9]+.[0-9]+"};
+
+  std::string us_str = PhotonVersion::versionString;
+
+  // Check that both versions are in the right format
+  if (std::regex_search(us_str, match, versionPattern) &&
+      std::regex_search(them_str, match, versionPattern)) {
+    // If they are, check string equality
+    return (us_str == them_str);
+  } else {
+    return false;
+  }
+}
+
 void PhotonCamera::VerifyVersion() {
   if (!PhotonCamera::VERSION_CHECK_ENABLED) return;
 

photon-lib/src/main/native/include/PhotonVersion.h

@@ -0,0 +1,36 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) PhotonVision
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#pragma once
+
+#include <regex>
+#include <string>
+
+namespace photonlib {
+namespace PhotonVersion {
+extern const char* versionString;
+extern const char* buildDate;
+extern const bool isRelease;
+}  // namespace PhotonVersion
+}  // namespace photonlib

photon-lib/src/test/native/cpp/VersionTest.cpp

@@ -0,0 +1,32 @@
+/*
+ * MIT License
+ *
+ * Copyright (c) PhotonVision
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <iostream>
+
+#include "PhotonVersion.h"
+#include "gtest/gtest.h"
+
+TEST(VersionTest, PrintVersion) {
+  std::cout << photonlib::PhotonVersion::versionString << std::endl;
+}

shared/PhotonVersion.h.in → shared/PhotonVersion.cpp.in

@@ -23,23 +23,12 @@
  * regenerated any time the publish task is run, or when this file is deleted.
  */
 
+static const char* dev_ = "dev";
+
 namespace photonlib {
   namespace PhotonVersion {
-    const std::string versionString = "${version}";
-    const std::string buildDate = "${date}";
-    const bool isRelease = !(versionString.rfind("dev", 0) == 0);
-  }
-
-  bool VersionMatches(const std::string& other) {
-    std::smatch match;
-    std::regex versionPattern{"v[0-9]+.[0-9]+.[0-9]+"};
-    // Check that both versions are in the right format
-    if (std::regex_search(PhotonVersion::versionString, match, versionPattern) &&
-        std::regex_search(other, match, versionPattern)) {
-      // If they are, check string equality
-      return (PhotonVersion::versionString == other);
-    } else {
-        return false;
-    }
+    const char* versionString = "${version}";
+    const char* buildDate = "${date}";
+    const bool isRelease = strncmp(dev_, versionString, strlen(dev_)) != 0;
   }
 }