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fontspec-fontload.dtx
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fontspec-fontload.dtx
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% \section{expl3 interface for primitive font loading}
%
% \iffalse
% \begin{macrocode}
%<*fontspec&(xetexx|luatex)>
% \end{macrocode}
% \fi
%
% \begin{macro}{\@@_primitive_font_set:Nnn,\@@_primitive_font_gset:Nnn}
% \begin{macrocode}
\cs_set:Npn \@@_primitive_font_set:Nnn #1#2#3
{
\font #1 = #2 ~at~ #3 \scan_stop:
}
% \end{macrocode}
% \begin{macrocode}
\cs_set:Npn \@@_primitive_font_gset:Nnn #1#2#3
{
\global \font #1 = #2 ~at~ #3 \scan_stop:
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_font_suppress_not_found_error:}
% \begin{macrocode}
\cs_set:Npn \@@_font_suppress_not_found_error:
{
\int_set_eq:NN \xetex_suppressfontnotfounderror:D \c_one
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}[pTF]{\@@_primitive_font_if_null:N}
% \begin{macrocode}
\prg_set_conditional:Nnn \@@_primitive_font_if_null:N {p,TF,T,F}
{
\ifx #1 \nullfont
\prg_return_true:
\else
\prg_return_false:
\fi
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}[TF]{\@@_primitive_font_if_exist:n}
% \begin{macrocode}
\prg_set_conditional:Nnn \@@_primitive_font_if_exist:n {TF,T,F}
{
\group_begin:
\@@_font_suppress_not_found_error:
\@@_primitive_font_set:Nnn \l_@@_primitive_font {#1} {10pt}
\@@_primitive_font_if_null:NTF \l_@@_primitive_font
{ \group_end: \prg_return_false: }
{ \group_end: \prg_return_true: }
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_primitive_font_glyph_if_exist:NnTF}
% \begin{macrocode}
\prg_new_conditional:Nnn \@@_primitive_font_glyph_if_exist:Nn {p,TF,T,F}
{
\etex_iffontchar:D #1 #2 \scan_stop:
\prg_return_true:
\else:
\prg_return_false:
\fi:
}
% \end{macrocode}
% \end{macro}
%
% \begin{macro}{\@@_primitive_font_set_hyphenchar:Nn}
% \begin{macrocode}
\cs_new:Nn \@@_primitive_font_set_hyphenchar:Nn
{
\tex_hyphenchar:D #1 = #2 \scan_stop:
}
% \end{macrocode}
% \end{macro}
%
% \iffalse
% \begin{macrocode}
%</fontspec&(xetexx|luatex)>
% \end{macrocode}
% \fi