hyperref-autoref.tex

\autoref{lem:1}


\DeclareRobustCommand*{\autoref}{%
  \leavevmode
  \@ifstar{\HyRef@autoref\@gobbletwo}{\HyRef@autoref\hyper@@link}%
}

% expand \autoref
\HyRef@autoref\hyper@@link{lem:1}


\def\HyRef@autoref#1#2{%
  \begingroup
    \Hy@safe@activestrue
    \expandafter\HyRef@autosetref\csname r@#2\endcsname{#2}{#1}%
  \endgroup
}

% expand \HyRef@autoref, #1 = "\hyper@@link", #2 = "lem:1"
\begingroup
  \Hy@safe@activestrue % is \relax
  \expandafter\HyRef@autosetref
  \csname r@lem:1\endcsname{lem:1}{\hyper@@link}%
\endgroup


% expand \@safe@activetrue
\begingroup
  \HyRef@autosetref  \r@lem:1 {lem:1}{\hyper@@link}%
\endgroup


\def\HyRef@autosetref#1#2#3{% link command, csname, refname
  \HyRef@ShowKeysRef{#2}%
  \ifcase 0\ifx#1\relax 1\fi\ifx#1\Hy@varioref@undefined 1\fi\relax
    \edef\HyRef@thisref{%
      \expandafter\@fourthoffive#1\@empty\@empty\@empty
    }%
    \expandafter\HyRef@testreftype\HyRef@thisref.\\%
    \Hy@safe@activesfalse
    #3{%
      \expandafter\@fifthoffive#1\@empty\@empty\@empty
    }{%
      \expandafter\@fourthoffive#1\@empty\@empty\@empty
    }{%
      \HyRef@currentHtag
      \expandafter\@firstoffive#1\@empty\@empty\@empty
      \null
    }%
  \else
    \protect\G@refundefinedtrue
    \nfss@text{\reset@font\bfseries ??}%
    \@latex@warning{%
      Reference `#2' on page \thepage\space undefined%
    }%
  \fi
}
\let\HyRef@ShowKeysRef\@gobble

% expand \HyRef@autosetref, #1 = "\r@sec:key", #2 = "sec:key", #3= "\hyper@@link"
\begingroup
  \HyRef@ShowKeysRef{lem:1}%
  \ifcase 0\ifx\r@lem:1\relax 1\fi\ifx\r@lem:1\Hy@varioref@undefined 1\fi\relax
    \edef\HyRef@thisref{%
      \expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty
    }%
    \expandafter\HyRef@testreftype\HyRef@thisref.\\%
    \Hy@safe@activesfalse
    \hyper@@link{%
      \expandafter\@fifthoffive\r@lem:1\@empty\@empty\@empty
    }{%
      \expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty
    }{%
      \HyRef@currentHtag
      \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
      \null
    }%
  \else
    \protect\G@refundefinedtrue
    \nfss@text{\reset@font\bfseries ??}%
    \@latex@warning{%
      Reference `lem:1' on page \thepage\space undefined%
    }%
  \fi
\endgroup


\def\Hy@varioref@undefined{{??}{??}{}{}{}}
\r@lem:1 = macro:->{1}{1}{}{lemma.1}{}

% expand \ifcase
% expand \ifx\r@lem:1\relax, false
% expand \ifx\r@lem:1\Hy@varioref@undefined, false
\begingroup
  \ifcase 0
    \ifx\r@lem:1\relax 1\fi % false
    \ifx\r@lem:1\Hy@varioref@undefined 1\fi\relax % false
    \edef\HyRef@thisref{lemma.1}
    \expandafter\HyRef@testreftype\HyRef@thisref.\\%
    \Hy@safe@activesfalse
    \hyper@@link{%
      \expandafter\@fifthoffive\r@lem:1\@empty\@empty\@empty
    }{%
      \expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty
    }{%
      \HyRef@currentHtag
      \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
      \null
    }%
  \else
    \protect\G@refundefinedtrue
    \nfss@text{\reset@font\bfseries ??}%
    \@latex@warning{%
      Reference `lem:1' on page \thepage\space undefined%
    }%
  \fi
\endgroup


% expand \ifcase, 0\relax, continue and ignore codes between \else and \fi
% expand \edef\HyRef@thisref
% expand \expandafter
\begingroup
  \HyRef@testreftype lemma.1.\\%
  \Hy@safe@activesfalse
  \hyper@@link{%
    \expandafter\@fifthoffive\r@lem:1\@empty\@empty\@empty
  }{%
    \expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty
  }{%
    \HyRef@currentHtag
    \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
    \null
  }%
\endgroup


\def\HyRef@testreftype#1.#2\\{%
  \ltx@IfUndefined{#1autorefname}{% false
    \ltx@IfUndefined{#1name}{%
      \HyRef@StripStar#1\\*\\\@nil{#1}%
      \ltx@IfUndefined{\HyRef@name autorefname}{%
        \ltx@IfUndefined{\HyRef@name name}{%
          \def\HyRef@currentHtag{}%
          \Hy@Warning{No autoref name for `#1'}%
        }{%
          \edef\HyRef@currentHtag{%
            \expandafter\noexpand\csname\HyRef@name name\endcsname
            \noexpand~%
          }%
        }%
      }{%
        \edef\HyRef@currentHtag{%
          \expandafter\noexpand
          \csname\HyRef@name autorefname\endcsname
          \noexpand~%
        }%
      }%
    }{%
      \edef\HyRef@currentHtag{%
        \expandafter\noexpand\csname#1name\endcsname
        \noexpand~%
      }%
    }%
  }{%
    \edef\HyRef@currentHtag{%
      \expandafter\noexpand\csname#1autorefname\endcsname
      \noexpand~%
    }%
  }%
}

% expand \HyRef@testreftype, #1 = "lemma", #2 = "1."
% expand \ltx@IfUndefined, false
\begingroup
    \edef\HyRef@currentHtag{%
      \expandafter\noexpand\csname lemmaautorefname\endcsname
      \noexpand~%
    }%
  \Hy@safe@activesfalse
  \hyper@@link{%
    \expandafter\@fifthoffive\r@lem:1\@empty\@empty\@empty
  }{%
    \expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty
  }{%
    \HyRef@currentHtag
    \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
    \null
  }%
\endgroup


% expand \edef\HyRef@currentHtag
\begingroup
  \HyRef@currentHtag -> \lemmaautorefname~%
  \Hy@safe@activesfalse % \relax
  \hyper@@link{%
    \expandafter\@fifthoffive\r@lem:1\@empty\@empty\@empty
  }{%
    \expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty
  }{%
    \HyRef@currentHtag
    \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
    \null
  }%
\endgroup


\def\hyper@@link{\let\Hy@reserved@a\relax
  \@ifnextchar[{\hyper@link@}{\hyper@link@[link]}%
}

% expand \hyper@@link
% expand \@ifnextchar[, false
\begingroup
  \edef\HyRef@currentHtag{\lemmaautorefname~}%
  \hyper@link@[link]
    {\expandafter\@fifthoffive\r@lem:1\@empty\@empty\@empty}
    {\expandafter\@fourthoffive\r@lem:1\@empty\@empty\@empty}
    {%
      \HyRef@currentHtag
      \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
      \null
    }%
\endgroup


\def\hyper@link@[#1]#2#3#4{%
  \ltx@ifempty{#4}{% link text
    \Hy@Warning{Suppressing empty link}%
  }{%
    \begingroup
      \protected@edef\Hy@tempa{#2}%
      \edef\Hy@tempb{#3}%
      \ifx\Hy@tempa\ltx@empty
        \ifx\Hy@tempb\ltx@empty
          \Hy@Warning{Suppressing link with empty target}%
          \toks@{%
            \endgroup
            \ltx@secondoftwo
          }%
        \else
          \toks@{%
            \endgroup
            \hyper@link{#1}%
          }%
        \fi
      \else
        \toks@{%
          \endgroup
          \expandafter\hyper@readexternallink#2\\{#1}%
        }%
      \fi
      \Hy@safe@activesfalse
      \toks@\expandafter{%
        \the\expandafter\toks@
        \expandafter{\Hy@tempb}{#4}%
      }%
    \the\toks@
  }%
}

\r@lem:1 = macro:->{1}{1}{}{lemma.1}{}

% expand \hyper@link@, #1 = "link", expanded #2 = "", expanded #3 = "lemma.1", 
% #4 = "\HyRef@currentHtag\expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty\null"
% expand \ltx@ifempty{#4}, false
\begingroup
  \edef\HyRef@currentHtag{\lemmaautorefname~}%
      \begingroup
        \protected@edef\Hy@tempa{}%
        \edef\Hy@tempb{lemma.1}%
        % \toks@{\endgroup \hyper@link {link}}
        % \toks@{\endgroup \hyper@link {link}{lemma.1}{#4}}%
      % \the\toks@
      \endgroup \hyper@link {link}{lemma.1}{#4}
\endgroup

\begingroup
  \edef\HyRef@currentHtag{\lemmaautorefname~}%
  \hyper@link{link}{lemma.1}
    {%
      \HyRef@currentHtag
      \expandafter\@firstoffive\r@lem:1\@empty\@empty\@empty
      \null
    }%
\endgroup

% \hyper@link is defined by driver files, e.g., hpdftex.def
\def\hyper@link#1#2#3{%
  \Hy@VerboseLinkStart{#1}{#2}%
  \ltx@IfUndefined{@#1bordercolor}{%
    \let\CurrentBorderColor\relax
  }{%
    \edef\CurrentBorderColor{\csname @#1bordercolor\endcsname}%
  }%
  \find@pdflink{#1}{#2}#3\Hy@xspace@end
  \close@pdflink
}