% Source Sans Pro for LaTeX
%
% Silke Hofstra, tex@slxh.nl
%
% This file selects either the OTF or the TYPE1 fonts based on
% the LaTeX engine used.
%
% Licenced under the LPPL v1.3 or higher.
%
\NeedsTeXFormat{LaTeX2e}[1994/12/01]
\ProvidesPackage{sourcesanspro}[2015/01/11 v2.5 Adobe's Source Sans Pro typeface]

\RequirePackage{ifxetex,ifluatex,xkeyval}

% Switches
\newif\ifsourcesanspro@otf
\newif\ifsourcesanspro@default
\newif\ifsourcesanspro@sfdefault
\newif\ifsourcesanspro@oldstyle
\newif\ifsourcesanspro@tabular
\newif\ifsourcesanspro@black
\newif\ifsourcesanspro@semibold
\newif\ifsourcesanspro@light
\newif\ifsourcesanspro@extralight

% Scaling command
\newcommand*{\SourceSansPro@scale}{1}

% Use OpenType fonts for XeTeX and LuaTeX.
\ifxetex
	\sourcesanspro@otftrue
\else
	\ifluatex
		\sourcesanspro@otftrue
	\fi
\fi

\DeclareOptionX{lining}      {\sourcesanspro@oldstylefalse}
\DeclareOptionX{nf}          {\sourcesanspro@oldstylefalse}
\DeclareOptionX{lf}          {\sourcesanspro@oldstylefalse}
\DeclareOptionX{oldstyle}    {\sourcesanspro@oldstyletrue}
\DeclareOptionX{osf}         {\sourcesanspro@oldstyletrue}
\DeclareOptionX{tabular}     {\sourcesanspro@tabulartrue}
\DeclareOptionX{proportional}{\sourcesanspro@tabularfalse}
\DeclareOptionX{black}       {\sourcesanspro@blacktrue \sourcesanspro@semiboldfalse}
\DeclareOptionX{semibold}    {\sourcesanspro@blackfalse\sourcesanspro@semiboldtrue}
\DeclareOptionX{bold}        {\sourcesanspro@blackfalse\sourcesanspro@semiboldfalse}
\DeclareOptionX{light}       {\sourcesanspro@lighttrue \sourcesanspro@extralightfalse}
\DeclareOptionX{extralight}  {\sourcesanspro@lightfalse\sourcesanspro@extralighttrue}
\DeclareOptionX{regular}     {\sourcesanspro@lightfalse\sourcesanspro@extralightfalse}
\DeclareOptionX{scale}       {\renewcommand*{\SourceSansPro@scale}{#1}}
\DeclareOptionX{scaled}      {\renewcommand*{\SourceSansPro@scale}{#1}}
\DeclareOptionX{default}     {\sourcesanspro@defaulttrue}
\DeclareOptionX{sfdefault}   {\sourcesanspro@sfdefaulttrue}
\DeclareOptionX{nosfdefault} {\sourcesanspro@sfdefaultfalse}
\DeclareOptionX{type1}       {\sourcesanspro@otffalse}
\DeclareOptionX{t1}          {\sourcesanspro@otffalse}
\DeclareOptionX{opentype}    {\sourcesanspro@otftrue}
\DeclareOptionX{otf}         {\sourcesanspro@otftrue}

% Default options
\ExecuteOptionsX{sfdefault,lining,proportional,bold,regular}
\ProcessOptionsX\relax

% Load OpenType files
\ifsourcesanspro@otf
	\RequirePackage{fontspec}
	
	% Oldstyle/Lining
	\ifsourcesanspro@oldstyle
		\def\sourcesanspro@figurestyle{OldStyle}
	\else
		\def\sourcesanspro@figurestyle{}
	\fi
	
	% Tabular/Proportional
	\ifsourcesanspro@tabular
		\def\sourcesanspro@figurealign{Monospaced}
	\else
		\def\sourcesanspro@figurealign{Proportional}
	\fi
	
	% Black/Semibold/Bold
	\ifsourcesanspro@black
		\def\sourcesanspro@boldstyle{Black}
	\else
		\ifsourcesanspro@semibold
			\def\sourcesanspro@boldstyle{Semibold}
		\else
			\def\sourcesanspro@boldstyle{Bold}
		\fi
	\fi
	
	% Light/ExtraLight/Regular
	\ifsourcesanspro@light
		\def\sourcesanspro@regstyle{Light}
	\else
		\ifsourcesanspro@extralight
			\def\sourcesanspro@regstyle{ExtraLight}
		\else
			\def\sourcesanspro@regstyle{Regular}
		\fi
	\fi
	
	% Shared features
	\defaultfontfeatures{
		Ligatures = TeX ,
		Numbers   = {\sourcesanspro@figurealign , \sourcesanspro@figurestyle } ,
		Scale     = \SourceSansPro@scale ,
		Extension = .otf }

	% Sans serif font
	\ifsourcesanspro@sfdefault
		\setsansfont
			[ UprightFont    = *-\sourcesanspro@regstyle ,
			  ItalicFont     = *-\sourcesanspro@regstyle It ,
			  BoldFont       = *-\sourcesanspro@boldstyle , 
			  BoldItalicFont = *-\sourcesanspro@boldstyle It]
			{SourceSansPro}
	\fi
	
	% Font families
	% Regular/Bold
	\newfontfamily\sourcesanspro
		[ UprightFont    = *-Regular ,
		  ItalicFont     = *-RegularIt ,
		  BoldFont       = *-Bold , 
		  BoldItalicFont = *-BoldIt ]
		{SourceSansPro}
	
	% Light/Semibold
	\newfontfamily\sourcesansprolight
		[ UprightFont    = *-Light ,
		  ItalicFont     = *-LightIt ,
		  BoldFont       = *-Semibold ,
		  BoldItalicFont = *-SemiboldIt ]
		{SourceSansPro}
	
	% ExtraLight/Black
	\newfontfamily\sourcesansproextreme
		[ UprightFont    = *-ExtraLight ,
		  ItalicFont     = *-ExtraLightIt ,
		  BoldFont       = *-Black ,
		  BoldItalicFont = *-BlackIt ]
		{SourceSansPro}
		
	% Lining figures
	\newfontfamily\sourcesansprolf
		[ Numbers        = \sourcesanspro@figurealign ,
		  UprightFont    = *-\sourcesanspro@regstyle ,
		  ItalicFont     = *-\sourcesanspro@regstyle It ,
		  BoldFont       = *-\sourcesanspro@boldstyle , 
		  BoldItalicFont = *-\sourcesanspro@boldstyle It]
		{SourceSansPro}
	
	% Dont keep all default font features
	\defaultfontfeatures{}

% Load type1 font.
\else
	\RequirePackage[OT1,LY1,T1]{fontenc}
	\RequirePackage{mweights}

	% Oldstyle/Lining
	\ifsourcesanspro@oldstyle
		\def\sourcesanspro@figurestyle{OsF}
	\else
		\def\sourcesanspro@figurestyle{LF}
	\fi
	
	% Tabular/Proportional
	\ifsourcesanspro@tabular
		\def\sourcesanspro@figurealign{T}
	\else
		\def\sourcesanspro@figurealign{}
	\fi
	
	% Black/Semibold/Bold
	\ifsourcesanspro@black
		\def\bfseries@sf{k}
	\else
		\ifsourcesanspro@semibold
			\def\bfseries@sf{sb}
		\else
			\def\bfseries@sf{b}
		\fi
	\fi
	
	% Light/ExtraLight/Regular
	\ifsourcesanspro@light
		\def\mdseries@sf{l}
	\else
		\ifsourcesanspro@extralight
			\def\mdseries@sf{el}
		\else
			\def\mdseries@sf{m}
		\fi
	\fi

	% Sans serif font
	\ifsourcesanspro@sfdefault
		\edef\sfdefault{SourceSansPro-\sourcesanspro@figurealign\sourcesanspro@figurestyle}
	\fi
	
	% If source sans pro is the default font \oldstylenums needs a new definition.
	\let\nativeoldstylenums\oldstylenums
	\ifsourcesanspro@default
		\renewcommand*\oldstylenums[1]{%
			\begingroup
				\ifmmode
					\mathgroup\symletters #1%
				\else
					\fontfamily{SourceSansPro-\sourcesanspro@figurealign OsF}\selectfont #1%
				\fi
			\endgroup
		}
		\edef\seriesdefault{\mdseries@sf}
	\fi
\fi

% Set default font family
\ifsourcesanspro@default
	\edef\familydefault{\sfdefault}
\fi

\endinput
