\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{footnotehyper-sphinx}%
[2017/03/07 v1.6 hyperref aware footnote.sty for sphinx (JFB)]
%%
%% Package: footnotehyper-sphinx
%% Version: based on footnotehyper.sty 2017/03/07 v1.0
%% as available at http://www.ctan.org/pkg/footnotehyper
%% License: the one applying to Sphinx
%%
%% Refer to the PDF documentation at http://www.ctan.org/pkg/footnotehyper for
%% the code comments.
%%
%% Differences:
%% 1. a partial tabulary compatibility layer added (enough for Sphinx mark-up),
%% 2. use of \spx@opt@BeforeFootnote from sphinx.sty,
%% 3. use of \sphinxunactivateextrasandspace from sphinx.sty,
%% 4. macro definition \sphinxfootnotemark,
%% 5. macro definition \sphinxlongtablepatch
\DeclareOption*{\PackageWarning{footnotehyper-sphinx}{Option `\CurrentOption' is unknown}}%
\ProcessOptions\relax
\newbox\FNH@notes
\newdimen\FNH@width
\let\FNH@colwidth\columnwidth
\newif\ifFNH@savingnotes
\AtBeginDocument {%
\let\FNH@latex@footnote \footnote
\let\FNH@latex@footnotetext\footnotetext
\let\FNH@H@@footnotetext \@footnotetext
\newenvironment{savenotes}
{\FNH@savenotes\ignorespaces}{\FNH@spewnotes\ignorespacesafterend}%
\let\spewnotes \FNH@spewnotes
\let\footnote \FNH@footnote
\let\footnotetext \FNH@footnotetext
\let\endfootnote \FNH@endfntext
\let\endfootnotetext\FNH@endfntext
\@ifpackageloaded{hyperref}
{\ifHy@hyperfootnotes
\let\FNH@H@@footnotetext\H@@footnotetext
\else
\let\FNH@hyper@fntext\FNH@nohyp@fntext
\fi}%
{\let\FNH@hyper@fntext\FNH@nohyp@fntext}%
}%
\def\FNH@hyper@fntext{\FNH@fntext\FNH@hyper@fntext@i}%
\def\FNH@nohyp@fntext{\FNH@fntext\FNH@nohyp@fntext@i}%
\def\FNH@fntext #1{%
\ifx\ifmeasuring@\@undefined
\expandafter\@secondoftwo\else\expandafter\@firstofone\fi
% these two lines modified for Sphinx (tabulary compatibility):
{\ifmeasuring@\expandafter\@gobbletwo\else\expandafter\@firstofone\fi}%
{\ifx\equation$\expandafter\@gobbletwo\fi #1}%$
}%
\long\def\FNH@hyper@fntext@i#1{%
\global\setbox\FNH@notes\vbox
{\unvbox\FNH@notes
\FNH@startnote
\@makefntext
{\rule\z@\footnotesep\ignorespaces
\ifHy@nesting\expandafter\ltx@firstoftwo
\else\expandafter\ltx@secondoftwo
\fi
{\expandafter\hyper@@anchor\expandafter{\Hy@footnote@currentHref}{#1}}%
{\Hy@raisedlink
{\expandafter\hyper@@anchor\expandafter{\Hy@footnote@currentHref}%
{\relax}}%
\let\@currentHref\Hy@footnote@currentHref
\let\@currentlabelname\@empty
#1}%
\@finalstrut\strutbox
}%
\FNH@endnote
}%
}%
\long\def\FNH@nohyp@fntext@i#1{%
\global\setbox\FNH@notes\vbox
{\unvbox\FNH@notes
\FNH@startnote
\@makefntext{\rule\z@\footnotesep\ignorespaces#1\@finalstrut\strutbox}%
\FNH@endnote
}%
}%
\def\FNH@startnote{%
\hsize\FNH@colwidth
\interlinepenalty\interfootnotelinepenalty
\reset@font\footnotesize
\floatingpenalty\@MM
\@parboxrestore
\protected@edef\@currentlabel{\csname p@\@mpfn\endcsname\@thefnmark}%
\color@begingroup
}%
\def\FNH@endnote{\color@endgroup}%
\def\FNH@savenotes{%
\begingroup
\ifFNH@savingnotes\else
\FNH@savingnotestrue
\let\@footnotetext \FNH@hyper@fntext
\let\@mpfootnotetext \FNH@hyper@fntext
\let\H@@mpfootnotetext\FNH@nohyp@fntext
\FNH@width\columnwidth
\let\FNH@colwidth\FNH@width
\global\setbox\FNH@notes\box\voidb@x
\let\FNH@thempfn\thempfn
\let\FNH@mpfn\@mpfn
\ifx\@minipagerestore\relax\let\@minipagerestore\@empty\fi
\expandafter\def\expandafter\@minipagerestore\expandafter{%
\@minipagerestore
\let\thempfn\FNH@thempfn
\let\@mpfn\FNH@mpfn
}%
\fi
}%
\def\FNH@spewnotes {%
\endgroup
\ifFNH@savingnotes\else
\ifvoid\FNH@notes\else
\begingroup
\let\@makefntext\@empty
\let\@finalstrut\@gobble
\let\rule\@gobbletwo
\FNH@H@@footnotetext{\unvbox\FNH@notes}%
\endgroup
\fi
\fi
}%
\def\FNH@footnote@envname {footnote}%
\def\FNH@footnotetext@envname{footnotetext}%
\def\FNH@footnote{%
% this line added for Sphinx:
\spx@opt@BeforeFootnote
\ifx\@currenvir\FNH@footnote@envname
\expandafter\FNH@footnoteenv
\else
\expandafter\FNH@latex@footnote
\fi
}%
\def\FNH@footnoteenv{%
% this line added for Sphinx (footnotes in parsed literal blocks):
\catcode13=5 \sphinxunactivateextrasandspace
\@ifnextchar[%
\FNH@footnoteenv@i %]
{\stepcounter\@mpfn
\protected@xdef\@thefnmark{\thempfn}%
\@footnotemark
\def\FNH@endfntext@fntext{\@footnotetext}%
\FNH@startfntext}%
}%
\def\FNH@footnoteenv@i[#1]{%
\begingroup
\csname c@\@mpfn\endcsname #1\relax
\unrestored@protected@xdef\@thefnmark{\thempfn}%
\endgroup
\@footnotemark
\def\FNH@endfntext@fntext{\@footnotetext}%
\FNH@startfntext
}%
\def\FNH@footnotetext{%
\ifx\@currenvir\FNH@footnotetext@envname
\expandafter\FNH@footnotetextenv
\else
\expandafter\FNH@latex@footnotetext
\fi
}%
\def\FNH@footnotetextenv{%
\@ifnextchar[%
\FNH@footnotetextenv@i %]
{\protected@xdef\@thefnmark{\thempfn}%
\def\FNH@endfntext@fntext{\@footnotetext}%
\FNH@startfntext}%
}%
\def\FNH@footnotetextenv@i[#1]{%
\begingroup
\csname c@\@mpfn\endcsname #1\relax
\unrestored@protected@xdef\@thefnmark{\thempfn}%
\endgroup
\ifFNH@savingnotes
\def\FNH@endfntext@fntext{\FNH@nohyp@fntext}%
\else
\def\FNH@endfntext@fntext{\FNH@H@@footnotetext}%
\fi
\FNH@startfntext
}%
\def\FNH@startfntext{%
\setbox\z@\vbox\bgroup
\FNH@startnote
\FNH@prefntext
\rule\z@\footnotesep\ignorespaces
}%
\def\FNH@endfntext {%
\@finalstrut\strutbox
\FNH@postfntext
\FNH@endnote
\egroup
\begingroup
\let\@makefntext\@empty\let\@finalstrut\@gobble\let\rule\@gobbletwo
\FNH@endfntext@fntext {\unvbox\z@}%
\endgroup
}%
\AtBeginDocument{%
\let\FNH@@makefntext\@makefntext
\ifx\@makefntextFB\undefined
\expandafter\@gobble\else\expandafter\@firstofone\fi
{\ifFBFrenchFootnotes \let\FNH@@makefntext\@makefntextFB \else
\let\FNH@@makefntext\@makefntextORI\fi}%
\expandafter\FNH@check@a\FNH@@makefntext{1.2!3?4,}%
\FNH@@@1.2!3?4,\FNH@@@\relax
}%
\long\def\FNH@check@a #11.2!3?4,#2\FNH@@@#3{%
\ifx\relax#3\expandafter\@firstoftwo\else\expandafter\@secondoftwo\fi
\FNH@bad@makefntext@alert
{\def\FNH@prefntext{#1}\def\FNH@postfntext{#2}\FNH@check@b}%
}%
\def\FNH@check@b #1\relax{%
\expandafter\expandafter\expandafter\FNH@check@c
\expandafter\meaning\expandafter\FNH@prefntext
\meaning\FNH@postfntext1.2!3?4,\FNH@check@c\relax
}%
\def\FNH@check@c #11.2!3?4,#2#3\relax{%
\ifx\FNH@check@c#2\expandafter\@gobble\fi\FNH@bad@makefntext@alert
}%
% slight reformulation for Sphinx
\def\FNH@bad@makefntext@alert{%
\PackageWarningNoLine{footnotehyper-sphinx}%
{Footnotes will be sub-optimal, sorry. This is due to the document class or^^J
some package modifying macro \string\@makefntext.^^J
You can try to report this incompatibility at^^J
https://github.com/sphinx-doc/sphinx with this info:}%
\typeout{\meaning\@makefntext}%
\let\FNH@prefntext\@empty\let\FNH@postfntext\@empty
}%
% this macro from original footnote.sty is not used anymore by Sphinx
% but for simplicity sake let's just keep it as is
\def\makesavenoteenv{\@ifnextchar[\FNH@msne@ii\FNH@msne@i}%]
\def\FNH@msne@i #1{%
\expandafter\let\csname FNH$#1\expandafter\endcsname %$
\csname #1\endcsname
\expandafter\let\csname endFNH$#1\expandafter\endcsname %$
\csname end#1\endcsname
\FNH@msne@ii[#1]{FNH$#1}%$
}%
\def\FNH@msne@ii[#1]#2{%
\expandafter\edef\csname#1\endcsname{%
\noexpand\savenotes
\expandafter\noexpand\csname#2\endcsname
}%
\expandafter\edef\csname end#1\endcsname{%
\expandafter\noexpand\csname end#2\endcsname
\noexpand\expandafter
\noexpand\spewnotes
\noexpand\if@endpe\noexpand\@endpetrue\noexpand\fi
}%
}%
% end of footnotehyper 2017/02/16 v0.99
% some extras for Sphinx :
% \sphinxfootnotemark: usable in section titles and silently removed from TOCs.
\def\sphinxfootnotemark [#1]%
{\ifx\thepage\relax\else\protect\spx@opt@BeforeFootnote
\protect\footnotemark[#1]\fi}%
\AtBeginDocument{%
% let hyperref less complain
\pdfstringdefDisableCommands{\def\sphinxfootnotemark [#1]{}}%
% to obtain hyperlinked footnotes in longtable environment we must replace
% hyperref's patch of longtable's patch of \@footnotetext by our own
\let\LT@p@ftntext\FNH@hyper@fntext
% this *requires* longtable to be used always wrapped in savenotes environment
}%
\endinput
%%
%% End of file `footnotehyper-sphinx.sty'.