%%
%% This is file `grffile-2017-06-30.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% grffile.dtx  (with options: `package')
%% 
%% This is a generated file.
%% 
%% Project: grffile
%% 
%% Copyright (C) 2006-2012  Heiko Oberdiek
%%               2016-2019 Oberdiek Package Support Group
%%    https://github.com/ho-tex/grffile/issues
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either
%% version 1.3c of this license or (at your option) any later
%% version. This version of this license is in
%%    http://www.latex-project.org/lppl/lppl-1-3c.txt
%% and the latest version of this license is in
%%    http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of
%% LaTeX version 2005/12/01 or later.
%% 
%% This work has the LPPL maintenance status "maintained".
%% 
%% This Current Maintainer of this work is Heiko Oberdiek.
%% 
%% This work consists of the main source file grffile.dtx
%% and the derived files
%%    grffile.sty, grffile.pdf, grffile.ins, grffile.drv,
%%    grffile-test1.tex.
%% 
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{grffile}%
  [2017/06/30 v1.18 Extended file name support for graphics (HO)]%
\edef\grffile@RestoreCatcodes{%
  \catcode`\noexpand\=\the\catcode`\=\relax
  \catcode`\noexpand\:\the\catcode`\:\relax
  \catcode`\noexpand\.\the\catcode`\.\relax
  \catcode`\noexpand\'\the\catcode`\'\relax
  \catcode`\noexpand\<\the\catcode`\<\relax
  \catcode`\noexpand\>\the\catcode`\>\relax
  \catcode`\noexpand\*\the\catcode`\*\relax
  \catcode`\noexpand\^\the\catcode`\^\relax
  \catcode`\noexpand\~\the\catcode`\~\relax
}
\@makeother\=
\@makeother\:
\@makeother\.
\@makeother\'
\@makeother\<
\@makeother\>
\@makeother\*
\catcode`\^=7 %
\catcode`\~=\active
\RequirePackage{ifpdf}[2010/01/28]
\RequirePackage{ifxetex}[2010/09/12]
\RequirePackage{kvoptions}[2006/08/17]
\SetupKeyvalOptions{%
  family=Gin,%
  prefix=grffile@%
}
\DeclareDefaultOption{\@unknownoptionerror}
\DeclareBoolOption[true]{multidot}
\DeclareBoolOption[true]{babel}
\DeclareBoolOption[false]{extendedchars}
\DeclareBoolOption{space}
\DeclareVoidOption{encoding}{%
  \RequirePackage{stringenc}\relax
}
\DeclareStringOption{inputencoding}
\DeclareStringOption{filenameencoding}
\DeclareDefaultOption{%
  \PassOptionsToPackage\CurrentOption{graphics}%
}
\RequirePackage{pdftexcmds}[2007/11/11]
\ifxetex
  \grffile@spacetrue
\else
  \begingroup\expandafter\expandafter\expandafter\endgroup
  \expandafter\ifx\csname pdf@filesize\endcsname\relax
    \grffile@spacefalse
    \let\grffile@space@disabled\@empty
    \def\grffile@spacetrue{%
      \PackageWarning{grffile}{%
        Option `space' is not available,\MessageBreak
        because it needs pdfTeX >= 1.30 or XeTeX%
      }%
    }%
  \else
    \ifpdf
      \grffile@spacetrue
    \else
      \grffile@spacefalse
    \fi
  \fi
\fi
\ProcessKeyvalOptions*
\AtBeginDocument{%
  \DisableKeyvalOption[package=grffile]{Gin}{encoding}%
}
\RequirePackage{graphics}
\newcommand*{\grffilesetup}{%
  \setkeys{Gin}%
}
\let\grffile@org@Ginclude@graphics\Ginclude@graphics
\renewcommand*{\Ginclude@graphics}{%
  \ifx\grffile@filenameencoding\@empty
  \else
    \ifx\grffile@inputencoding\@empty
      \expandafter\ifx\csname inputencodingname\endcsname\relax
        \expandafter\ifx\csname
            CurrentInputEncodingOption\endcsname\relax
        \else
          \let\grffile@inputencoding\CurrentInputEncodingOption
        \fi
      \else
        \let\grffile@inputencoding\inputencodingname
      \fi
    \fi
    \ifx\grffile@inputencoding\@empty
    \else
      \grffile@extendedcharstrue
    \fi
  \fi
  \ifnum0\ifgrffile@babel 1\fi\ifgrffile@extendedchars 1\fi>\z@
    \begingroup
      \ifgrffile@babel
        \csname @safe@activestrue\endcsname
        \edef~{\string~}%
      \fi
      \ifgrffile@extendedchars
        \grffile@inputenc@loop\^^A\^^H%
        \grffile@inputenc@loop\^^K\^^K%
        \grffile@inputenc@loop\^^N\^^_%
        \grffile@inputenc@loop\^^?\^^ff%
      \fi
      \expandafter\grffile@extchar@Ginclude@graphics
  \else
    \expandafter\grffile@Ginclude@graphics
  \fi
}
\def\grffile@extchar@Ginclude@graphics#1{%
  \toks@{#1}%
  \edef\grffile@filename{\the\toks@}%
  \ifx\grffile@inputencoding\@empty
  \else
    \ifx\grfile@filenameencoding\@empty
    \else
      \ifx\grffile@inputencoding\grffile@filenameencoding
      \else
        \expandafter\ifx\csname StringEncodingConvert\endcsname\relax
          \PackageError{grffile}{%
            Package `stringenc' is not loaded,\MessageBreak
            omitting file name conversion%
          }\@ehc
        \else
          \StringEncodingConvert\grffile@temp\grffile@filename
              \grffile@inputencoding\grffile@filenameencoding
          \StringEncodingSuccessFailure{%
            \let\grffile@filename\grffile@temp
          }{%
            \PackageError{grffile}{%
              Filename conversion failed%
            }\@ehc
          }%
        \fi
      \fi
    \fi
  \fi
  \edef\x{\endgroup
    \noexpand\grffile@Ginclude@graphics{\grffile@filename}%
  }%
  \x
}
\def\grffile@inputenc@loop#1#2{%
  \count@=`#1\relax
  \loop
    \begingroup
      \uccode`\~=\count@
    \uppercase{%
      \endgroup
      \edef~{\string~}%
    }%
  \ifnum\count@<`#2\relax
    \advance\count@\@ne
  \repeat
}
\def\grffile@space@getbase#1{%
  \edef\grffile@tempa{%
    \def\noexpand\@tempa####1#1\noexpand\@nil{%
      \def\noexpand\Gin@base{####1}%
    }%
  }%
  \grffile@IfFileExists{\filename@area\filename@base#1}{%
    \grffile@tempa
    \expandafter\@tempa\grffile@file@found\@nil
    \edef\Gin@ext{#1}%
  }{%
  }%
}
\begingroup\expandafter\expandafter\expandafter\endgroup
\expandafter\ifx\csname pdf@filesize\endcsname\relax
  \ifxetex
    \long\def\grffile@XeTeX@IfFileExists#1{%
      \openin\@inputcheck"#1" %
      \ifeof\@inputcheck
        \closein\@inputcheck
        \expandafter\@secondoftwo
      \else
        \closein\@inputcheck
        \expandafter\@firstoftwo
      \fi
    }%
    \long\def\grffile@IfFileExists#1{%
      \grffile@XeTeX@IfFileExists{#1}{%
        \edef\grffile@file@found{#1}%
        \@firstoftwo
      }{%
        \let\reserved@a\@secondoftwo
        \ifx\input@path\@undefined
        \else
          \expandafter\@tfor\expandafter\reserved@b\expandafter
              :\expandafter=\input@path\do{%
            \grffile@XeTeX@IfFileExists{\reserved@b#1}{%
              \edef\grffile@file@found{\reserved@b#1}%
              \let\reserved@a\@firstoftwo
              \iftrue\@break@tfor\fi
            }{}%
          }%
        \fi
        \reserved@a
      }%
    }%
    \def\grffile@org@Gread@QTm#1{%
      \IfFileExists{\Gin@base.bb}{%
        \Gread@eps{\Gin@base.bb}%
      }{%
        \G@measure@QTm{\Gin@base}{\Gin@ext}%
      }%
    }%
    \ifx\Gread@QTm\grffile@org@Gread@QTm
      \def\Gread@QTm#1{%
        \grffile@IfFileExists{\Gin@base.bb}{%
          \Gread@eps{\Gin@base.bb}%
        }{%
          \G@measure@QTm{\Gin@base}{\Gin@ext}%
        }%
      }%
      \PackageInfo{grffile}{\string\Gread@QTm\space patched}%
    \else
      \begingroup\expandafter\expandafter\expandafter\endgroup
      \expandafter\ifx\csname Gread@QTm\endcsname\relax
        \@ifpackagelater{graphics}{2017/06/01}
          {}
          {%
            \PackageWarning{grffile}{%
              \string\Gread@QTm\space of xetex.def not found%
            }%
          }%
      \else
        \let\grffile@org@Gread@QTm\Gread@QTm
        \def\Gread@QTm#1{%
          \let\grffile@saved@IfFileExists\IfFileExists
          \let\IfFileExists\grffile@IfFileExists
          \grffile@org@GreadQTm{#1}%
          \let\IfFileExists\grffile@saved@IfFileExists
        }%
      \fi
    \fi
    \let\grffile@org@Gread@eps\Gread@eps
    \def\grffile@temp#1\immediate\openin#2 #3\grffile@nil#4\grffile@NIL{%
      \begingroup
      \toks@{#2}%
      \edef\grffile@temp{\the\toks@}%
      \def\grffile@test{\@inputcheck####1}%
      \ifx\grffile@temp\grffile@test
        \expandafter\@firstoftwo
      \else
        \expandafter\@secondoftwo
      \fi
      {%
        \toks@{%
          #1%
          \immediate\openin\@inputcheck"##1"\relax
          #3%
        }%
        \expandafter\endgroup
        \expandafter\def\expandafter\Gread@eps
        \expandafter##\expandafter1\expandafter{%
          \the\toks@
        }%
        \PackageInfo{grffile}{%
          \string\Gread@eps\space patched%
        }%
      }{%
        \@ifpackagelater{graphics}{2017/06/01}
          {}
          {%
            \PackageWarning{grffile}{%
              Unsupported \string\Gread@eps\space not patched%
            }%
          }%
        \endgroup
      }%
    }%
    \expandafter\grffile@temp\Gread@eps{#1}\grffile@nil
        \immediate\openin{} \grffile@nil\grffile@NIL
  \else
    \begingroup
      \let\on@line\@empty
      \PackageInfo{grffile}{%
        \string\grffile@IfFileExists\space without space support,%
        \MessageBreak
        because pdfTeX's \string\pdffilesize\space is not available%
        \MessageBreak
        or XeTeX is not running%
      }%
    \endgroup
    \long\def\grffile@IfFileExists#1{%
      \IfFileExists{#1}{%
        \let\grffile@IFE@next\@firstoftwo
      }{%
        \let\grffile@file@found\@filef@und
        \let\grffile@IFE@next\@secondoftwo
      }%
      \grffile@IFE@next
    }%
  \fi
\else
  \long\def\grffile@IfFileExists#1{%
    \expandafter\expandafter\expandafter
    \ifx\expandafter\expandafter\expandafter\\\pdf@filesize{#1}\\%
      \let\reserved@a\@secondoftwo
      \ifx\input@path\@undefined
      \else
        \expandafter\@tfor\expandafter\reserved@b\expandafter
            :\expandafter=\input@path\do{%
          \expandafter\expandafter\expandafter
          \ifx\expandafter\expandafter\expandafter
              \\\pdf@filesize{\reserved@b#1}\\%
          \else
            \edef\grffile@file@found{\reserved@b#1}%
            \let\reserved@a\@firstoftwo
            \@break@tfor
          \fi
        }%
      \fi
      \expandafter\reserved@a
    \else
      \edef\grffile@file@found{#1}%
      \expandafter\@firstoftwo
    \fi
  }%
\fi
\def\grffile@Ginclude@graphics#1{%
  \begingroup
    \ifgrffile@space
      \let\Gin@getbase\grffile@space@getbase
    \fi
    \ifgrffile@multidot
      \let\filename@base\@empty
      \let\filename@simple\grffile@filename@simple
    \fi
    \grffile@org@Ginclude@graphics{#1}%
  \endgroup
}%
\def\grffile@filename@simple#1.#2\\{%
  \ifx\\#2\\%
    \def\filename@base{#1}%
    \let\filename@ext\relax
  \else
    \def\filename@base{}%
    \grffile@analyze@ext{#1}.{#2}\\%
  \fi
}
\def\grffile@analyze@ext#1.#2\\{%
  \let\grffile@next\relax
  \ifx\\#2\\%
    \edef\filename@base{\filename@base#1}%
    \let\filename@ext\relax
    \def\grffile@next{\grffile@try@extlist}%
  \else
    \edef\filename@base{\filename@base #1}%
    \edef\filename@ext{\filename@dot#2\\}%
    \expandafter\ifx\csname Gin@rule@.\filename@ext\endcsname\relax
      \edef\filename@base{\filename@base.}%
      \def\grffile@next{\grffile@analyze@ext#2\\}%
    \else
      \grffile@IfFileExists{\filename@area\filename@base.\filename@ext}{%
        % success
      }{%
        \edef\filename@base{\filename@base.\filename@ext}%
        \let\filename@ext\relax
        \def\grffile@next{\grffile@try@extlist}%
      }%
    \fi
  \fi
  \grffile@next
}
\def\grffile@try@extlist{%
  \@for\grffile@temp:=\Gin@extensions\do{%
    \grffile@IfFileExists{\filename@area\filename@base\grffile@temp}{%
      \ifx\filename@ext\relax
        \edef\filename@ext{\expandafter\@gobble\grffile@temp\@empty}%
      \fi
    }{}%
  }%
  \ifx\filename@ext\relax
    \expandafter\let\expandafter\filename@base\expandafter\@empty
    \expandafter\grffile@use@last@ext\filename@base.\\%
  \fi
}
\def\grffile@use@last@ext#1.#2\\{%
  \ifx\\#2\\%
    \edef\filename@base{\expandafter\filename@dot\filename@base\\}%
    \def\filename@ext{#1}%
    \expandafter\@gobble
  \else
    \edef\filename@base{\filename@base#1.}%
    \expandafter\@firstofone
  \fi
  {%
    \grffile@use@last@ext#2\\%
  }%
}
\def\grffile@option@status#1{%
  \begingroup
    \let\on@line\@empty
    \PackageInfo{grffile}{%
      Option `#1' is %
      \expandafter\ifx\csname ifgrffile@#1\expandafter\endcsname
                      \csname iftrue\endcsname
        set to `true'%
      \else
        \expandafter\ifx\csname grffile@#1@disabled\endcsname\@empty
          not available%
        \else
          set to `false'%
        \fi
      \fi
    }%
  \endgroup
}
\grffile@option@status{multidot}
\grffile@option@status{extendedchars}
\grffile@option@status{space}
\def\grffile@Gin@ii@graphicx[#1]#2{%
  \def\@tempa{[}%
  \def\@tempb{#2}%
  \ifx\@tempa\@tempb
    \def\@tempa{\Gin@iii[#1][}% hash-ok
    \expandafter\@tempa
  \else
    \begingroup
      \@tempswafalse
      \toks@{\Ginclude@graphics{#2}}%
      \setkeys{Gin}{#1}%
      \Gin@esetsize
      \the\toks@
    \endgroup
  \fi
}
\def\grffile@Gin@ii@fixed[#1]#2{%
  \def\@tempa{[}%
  \begingroup
    \toks@={#2}%
    \edef\@tempb{\the\toks@}%
  \expandafter\endgroup
  \ifx\@tempa\@tempb
    \def\@tempa{\Gin@iii[#1][}% hash-ok
    \expandafter\@tempa
  \else
    \begingroup
      \@tempswafalse
      \toks@{\Ginclude@graphics{#2}}%
      \setkeys{Gin}{#1}%
      \Gin@esetsize
      \the\toks@
    \endgroup
  \fi
}
\def\grffile@Fix@Gin@ii{%
  \let\Gin@ii\grffile@Gin@ii@fixed
  \begingroup
    \escapechar=92 %
    \PackageInfo{grffile}{\string\Gin@ii\space of package `graphicx' fixed}%
  \endgroup
}
\ifx\Gin@ii\grffile@Gin@ii@graphicx
  \grffile@Fix@Gin@ii
\else
  \AtBeginDocument{\grffile@Fix@Gin@ii}%
\fi
\grffile@RestoreCatcodes
\endinput
%%
%% End of file `grffile-2017-06-30.sty'.
