% unipersian-fonts.def
%
% UniPersian: Persian language support for LaTeX.
%
% Copyright (C) 2026 Amer Amikhteh
%
% This file is part of the UniPersian package.
%
% This work is free software: you may redistribute it and/or modify
% it under the terms of the LaTeX Project Public License as published
% by the LaTeX Project, either version 1.3c of the License, or
% (at your option) any later version.
%
% This work is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
%
% The full license text is available at:
% https://www.latex-project.org/lppl/
%
% This work is "maintained" by Amer Amikhteh.
%
% The current maintainer of this work is Amer Amikhteh.


\ProvidesFile{unipersian-fonts.def}
[2026/09/08 v0.1.0 Common definitions for fonts in XeTeX and LuaTeX]



\makeatletter


\providecommand{\persianmainlanguage}{persian}

% --------------------------------------
% Main Persian and Latin fonts
% --------------------------------------

\NewDocumentCommand{\settextfont}{O{} m}{%
    \ifXeTeX
        \babelfont[persian]{rm}%
        [Mapping=farsidigits,#1]{#2}%
        \babelfont[persian]{sf}%
        [Mapping=farsidigits,#1]{#2}
    \else
        \babelfont[persian]{rm}[#1]{#2}%
        \babelfont[persian]{sf}[#1]{#2}%
    \fi
}

\NewDocumentCommand{\setlatintextfont}{O{} m}{%
    \babelfont[english]{rm}[#1]{#2}%
    \babelfont[english]{sf}[#1]{#2}
}


% ------------------------------------------
% Default fonts
% ------------------------------------------
\ifnum\bbl@bidimode>\@ne
    % هر bidi غیر از default
    \IfFontExistsTF{HM XNiloofar}{\settextfont{HM XNiloofar}}
    {\IfFontExistsTF{Vazirmatn}{\settextfont[ItalicFont={Vazirmatn}]{Vazirmatn}}
        {\IfFontExistsTF{Amiri}{\settextfont{Amiri}}
            {\IfFontExistsTF{FreeSerif}{\settextfont{FreeSerif}}
                {\IfFontExistsTF{Tahoma}{\settextfont{Tahoma}}
                    {\typeout{Warning: No suitable Persian font found!}
                    }}}}}
\fi

% --------------------------------------
% Persian sans and monospaced fonts
% --------------------------------------

\NewDocumentCommand{\setpersiansansfont}{O{} m}{%
    \ifXeTeX
        \babelfont[persian]{sf}%
        [Mapping=farsidigits,#1]{#2}%
    \else
        \babelfont[persian]{sf}[#1]{#2}%
    \fi
}

\providecommand\persianttdefault{}

\NewDocumentCommand{\setpersianmonofont}{O{} m}{%
    \babelfont[persian]{tt}[#1]{#2}%
    \begingroup
    \selectlanguage{persian}%
    \ttfamily
    \xdef\persianttdefault{\f@family}%
    \endgroup
}



\providecommand\persianttdefault{}

\DeclareRobustCommand\persianttfamily{%
    \not@math@alphabet\persianttfamily\mathpersiantt
    \fontfamily\persianttdefault
    \selectfont
}

\DeclareTextFontCommand{\textpersiantt}{\persianttfamily}



% --------------------------------------
% Latin sans and monospaced fonts
% --------------------------------------

\NewDocumentCommand{\setlatinsansfont}{O{} m}{%
    \babelfont[english]{sf}[#1]{#2}%
}

\providecommand\latinttdefault{}
\providecommand\latinttfamily{}

\NewDocumentCommand{\setlatinmonofont}{O{} m}{%
    \babelfont[english]{tt}[#1]{#2}%
    \begingroup
    \selectlanguage{english}%
    \ttfamily
    \xdef\latinttdefault{\f@family}%
    \endgroup
}

\DeclareRobustCommand\latinttfamily{%
    \not@math@alphabet\latinttfamily\mathtt
    \fontfamily\latinttdefault
    \selectfont
    % \babeladjust{bidi.mapdigits=off}
    \ifLuaTeX\setattribute\bbl@attr@locale 0\fi
}

\DeclareTextFontCommand{\textlatintt}{\latinttfamily}




% --------------------------------------
% User-defined Persian fonts
% --------------------------------------

\DeclareDocumentCommand \defpersianfont { m o m }
{
    \newfontfamily#1{#3}[Script=Arabic,Renderer=Harfbuzz,#2]
}

\DeclareDocumentCommand \deflatinfont { m o m }
{
    \newfontfamily#1{#3}[Script=Latin,#2]
}


\makeatother

\endinput