summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx
diff options
context:
space:
mode:
Diffstat (limited to 'Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx')
-rw-r--r--Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx129
1 files changed, 109 insertions, 20 deletions
diff --git a/Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx b/Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx
index bdafa51a806..92fc17bfa3d 100644
--- a/Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx
+++ b/Master/texmf-dist/source/latex/oberdiek/ifpdf.dtx
@@ -1,6 +1,6 @@
% \iffalse meta-comment
%
-% Copyright (C) 2001, 2005, 2006 by
+% Copyright (C) 2001, 2005-2009 by
% Heiko Oberdiek <oberdiek@uni-freiburg.de>
%
% This work may be distributed and/or modified under the
@@ -68,7 +68,7 @@
\input docstrip.tex
\Msg{************************************************************************}
\Msg{* Installation}
-\Msg{* Package: ifpdf 2007/12/12 v1.6 Provides the ifpdf switch (HO)}
+\Msg{* Package: ifpdf 2009/04/10 v2.0 Provides the ifpdf switch (HO)}
\Msg{************************************************************************}
\keepsilent
@@ -79,7 +79,7 @@
This is a generated file.
-Copyright (C) 2001, 2005, 2006 by
+Copyright (C) 2001, 2005-2009 by
Heiko Oberdiek <oberdiek@uni-freiburg.de>
This work may be distributed and/or modified under the
@@ -137,7 +137,7 @@ and the derived files
%<*driver>
\NeedsTeXFormat{LaTeX2e}
\ProvidesFile{ifpdf.drv}%
- [2007/12/12 v1.6 Provides the ifpdf switch (HO)]%
+ [2009/04/10 v2.0 Provides the ifpdf switch (HO)]%
\documentclass{ltxdoc}
\usepackage{holtxdoc}[2008/08/11]
\begin{document}
@@ -146,7 +146,7 @@ and the derived files
%</driver>
% \fi
%
-% \CheckSum{368}
+% \CheckSum{472}
%
% \CharacterTable
% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
@@ -167,7 +167,7 @@ and the derived files
% \GetFileInfo{ifpdf.drv}
%
% \title{The \xpackage{ifpdf} package}
-% \date{2007/12/12 v1.6}
+% \date{2009/04/10 v2.0}
% \author{Heiko Oberdiek\\\xemail{oberdiek@uni-freiburg.de}}
%
% \maketitle
@@ -247,23 +247,23 @@ and the derived files
% The package provides the switch \cs{ifpdf}:
% \begin{quote}
% |\ifpdf|\\
-% \hspace{1.5em}\dots\ do things, if \pdfTeX\ is running in pdf mode \dots\\
+% \hspace*{1.5em}\dots\ do things, if \pdfTeX\ is running in pdf mode \dots\\
% |\else|\\
-% \hspace{1.5em}\dots\ other \TeX\ or \pdfTeX\ in dvi mode \dots\\
+% \hspace*{1.5em}\dots\ other \TeX\ or \pdfTeX\ in dvi mode \dots\\
% |\fi|
% \end{quote}
% Users of the package \xpackage{ifthen} can use the switch as boolean:
% \begin{quote}
-% |\boolean{ifpdf}|
+% |\boolean{pdf}|
% \end{quote}
% The package can also be used to set global
% documentclass options:
% \begin{quote}
% |\RequirePackage{ifpdf}|\\
% |\ifpdf|\\
-% \hspace{1.5em}|\documentclass[pdftex,|\dots|]{|\dots|}|\\
+% \hspace*{1.5em}|\documentclass[pdftex,|\dots|]{|\dots|}|\\
% |\else|\\
-% \hspace{1.5em}|\documentclass[|\dots|]{|\dots|}|\\
+% \hspace*{1.5em}|\documentclass[|\dots|]{|\dots|}|\\
% |\fi|
% \end{quote}
%
@@ -274,6 +274,10 @@ and the derived files
% \item It asks the setting of \cs{pdfoutput} for detecting
% \pdfTeX\ in PDF mode.
% \item It never changes \cs{pdfoutput}.
+% \item If \cs{pdfoutput} is undefined or has the meaning \cs{relax},
+% but the engine provides the primitive \cs{pdfoutput},
+% then \cs{pdfoutput} is enabled or restored if possible
+% (only \LuaTeX, version 0.36.0 or higher).
% \item It can be used with many formats including
% \plainTeX\ and \LaTeX.
% \end{itemize}
@@ -298,14 +302,6 @@ and the derived files
% The function \textsf{undefined} checks both cases, undefined command
% and \cs{relax}.
%
-% \subsection{Future}
-%
-% Currently the package can be fooled, by redefining/undefining
-% \cs{pdfoutput}. Therefore the package will use the \cs{primitive}
-% feature that is discussed currently on the \pdfTeX\ developer
-% list (2006), if it hits a stable release. Of course the package
-% will then remain usable with older \pdfTeX\ versions as usual.
-%
% \hypersetup{bookmarksopenlevel=1}
%
% \StopEventually{
@@ -374,6 +370,9 @@ and the derived files
\else
\def\x#1#2[#3]{\endgroup
#2[{#3}]%
+ \ifx#1\@undefined
+ \xdef#1{#3}%
+ \fi
\ifx#1\relax
\xdef#1{#3}%
\fi
@@ -381,7 +380,7 @@ and the derived files
\fi
\expandafter\x\csname ver@ifpdf.sty\endcsname
\ProvidesPackage{ifpdf}%
- [2007/12/12 v1.6 Provides the ifpdf switch (HO)]
+ [2009/04/10 v2.0 Provides the ifpdf switch (HO)]
% \end{macrocode}
%
% \subsection{Catcodes}
@@ -411,6 +410,9 @@ and the derived files
\catcode#1 #2\relax
}
\TMP@EnsureCode{10}{12}% ^^J
+\TMP@EnsureCode{39}{12}% '
+\TMP@EnsureCode{40}{12}% (
+\TMP@EnsureCode{41}{12}% )
\TMP@EnsureCode{44}{12}% ,
\TMP@EnsureCode{45}{12}% -
\TMP@EnsureCode{46}{12}% .
@@ -419,6 +421,7 @@ and the derived files
\TMP@EnsureCode{60}{12}% <
\TMP@EnsureCode{61}{12}% =
\TMP@EnsureCode{94}{7}% ^
+\TMP@EnsureCode{96}{12}% `
% \end{macrocode}
%
% \subsection{Check for previously defined \cs{ifpdf}}
@@ -453,6 +456,51 @@ and the derived files
\endgroup
% \end{macrocode}
%
+% \subsection{\cs{pdfoutput} and \LuaTeX}
+%
+% It might happen, that \LuaTeX\ is running, but \cs{pdfoutput}
+% does not exist. In version 0.40 only \cs{directlua}
+% is available at startup time. The enabling Lua function was
+% already added in version 0.36. Thus we can ignore older versions,
+% here \cs{pdfoutput} is available at startup time.
+%
+% \begin{macrocode}
+\begingroup
+ \expandafter\ifx\csname pdfoutput\endcsname\relax
+ \else
+ \def\skip#1\relax\endgroup{\csname fi\endcsname\endgroup}%
+ \skip
+ \fi
+ \expandafter\ifx\csname directlua\endcsname\relax
+ \def\skip#1\endgroup{\csname fi\endcsname\endgroup}%
+ \skip
+ \fi
+ \expandafter\ifx\csname RequirePackage\endcsname\relax
+ \input ifluatex.sty\relax
+ \else
+ \RequirePackage{ifluatex}[2009/04/10]%
+ \fi
+ \ifluatex
+ \ifnum\luatexversion<36 %
+% \end{macrocode}
+% Unhappily \LuaTeX's \cs{primitive} (derived from
+% pdfTeX's \cs{pdfprimitive}) cannot be used:
+% \begin{quote}
+% |\protected\gdef\pdfoutput{\primitive\pdfoutput}|
+% \end{quote}
+% Setting a value works, but getting fails,
+% because \TeX\ does no longer see it as number. It
+% is unexpandable and breaks numerical contexts.
+% \begin{macrocode}
+ \else
+ \directlua{tex.enableprimitives('ifpdf', {'pdfoutput'})}%
+ \global\let\pdfoutput\ifpdfpdfoutput
+ \fi
+ \fi
+ \relax
+\endgroup
+% \end{macrocode}
+%
% \subsection{\cs{ifpdf}}
%
% \begin{macro}{\ifpdf}
@@ -481,6 +529,35 @@ and the derived files
% \end{macrocode}
% \end{macro}
%
+% \subsection{Test for fool attempts}
+%
+% \begin{macrocode}
+\begingroup
+ \expandafter\ifx\csname pdfoutput\endcsname\relax
+ \else
+ \escapechar=-1 %
+ \edef\m{\meaning\pdfoutput}%
+ \edef\p{%
+ \string p\string d\string f%
+ \string o\string u\string t\string p\string u\string t%
+ }%
+ \ifx\m\p
+ \else
+ \expandafter\ifx\csname PackageWarningNoLine\endcsname\relax
+ \def\PackageWarningNoLine#1#2{%
+ \immediate\write16{%
+ Package `#1' Warning: #2.%
+ }%
+ }%
+ \fi
+ \PackageWarningNoLine{ifpdf}{%
+ Someone has redefined \string\\pdfoutput%
+ }%
+ \fi
+ \fi
+\endgroup
+% \end{macrocode}
+%
% \subsection{Protocol entry}
%
% Log comment:
@@ -819,6 +896,18 @@ and the derived files
% \item
% Minor update.
% \end{Version}
+% \begin{Version}{2008/12/12 v1.7}
+% \item
+% Fix in documentation for \cs{boolean} (found by S. Venkataraman).
+% \item
+% Code is not changed.
+% \end{Version}
+% \begin{Version}{2009/04/10 v2.0}
+% \item
+% Support for \LuaTeX\ 0.40 added.
+% \item
+% Checks, whether \cs{pdfoutput} was changed.
+% \end{Version}
% \end{History}
%
% \PrintIndex