diff options
author | Karl Berry <karl@freefriends.org> | 2014-01-24 23:00:16 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2014-01-24 23:00:16 +0000 |
commit | 749bfd397739e722341bae9e37efc38726ee1dea (patch) | |
tree | 3a410bd89d7f941ce455e1a58975373e8fbe571e /Master/texmf-dist/tex/latex | |
parent | dd0c82897b36b06b83de60b7f3633664f486496a (diff) |
comment (24jan14)
git-svn-id: svn://tug.org/texlive/trunk@32778 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex')
-rw-r--r-- | Master/texmf-dist/tex/latex/comment/comment.sty | 288 |
1 files changed, 143 insertions, 145 deletions
diff --git a/Master/texmf-dist/tex/latex/comment/comment.sty b/Master/texmf-dist/tex/latex/comment/comment.sty index 658686fb80b..7f7c2be5a98 100644 --- a/Master/texmf-dist/tex/latex/comment/comment.sty +++ b/Master/texmf-dist/tex/latex/comment/comment.sty @@ -1,5 +1,6 @@ %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% Comment.sty version 3.6, October 1999 +% Comment.sty version 3.7, July 2009 +% copyright 1998-2009 Victor Eijkhout % % Purpose: % selectively in/exclude pieces of text: the user can define new @@ -9,10 +10,9 @@ % % Author % Victor Eijkhout -% Department of Computer Science -% University of Tennessee -% 107 Ayres Hall -% Knoxville TN 37996 +% Texas Advanced Computing Center +% The University of Texas at Austin +% Austin TX 78758 % USA % % victor@eijkhout.net @@ -34,12 +34,11 @@ % http://www.gnu.org/copyleft/gpl.html % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% -% This style can be used with plain TeX or LaTeX, and probably -% most other packages too. % % Usage: all text included between -% \comment ... \endcomment -% or \begin{comment} ... \end{comment} +% \begin{comment} +% ... +% \end{comment} % is discarded. % % The opening and closing commands should appear on a line @@ -53,16 +52,23 @@ % \excludecoment{versionb} % % These environments are used as -% \versiona ... \endversiona -% or \begin{versiona} ... \end{versiona} +% \begin{versiona} ... \end{versiona} % with the opening and closing commands again on a line of % their own. % -% LaTeX users note: for an included comment, the +% This is not a LaTeX environment: for an included comment, the % \begin and \end lines act as if they don't exist. % In particular, they don't imply grouping, so assignments % &c are not local. % +%% +%% Guide to special effects +%% +% To understand what happens here, you need to know just a bit about +% the implementation. Lines inside a comment are scooped up one at a +% time, and written to an external file. This file can then be +% included, or ignored. Or you can do stuff with it as you'll see now. +% % Special comments are defined as % \specialcomment{name}{before commands}{after commands} % where the second and third arguments are executed before @@ -73,18 +79,45 @@ % ex: % \specialcomment{smalltt} % {\begingroup\ttfamily\footnotesize}{\endgroup} -% You do *not* have to do an additional +% Of course, in this case you could probably have used the standard +% LaTeX \newenvironment. +% +% With \specialcomment you do *not* have to do an additional % \includecomment{smalltt} % To remove 'smalltt' blocks, give \excludecomment{smalltt} % after the definition. % -% Processing comments can apply processing to each line. -% \processcomment{name}{each-line commands}% -% {before commands}{after commands} +% The comment environments use two auxiliary commands. You can get +% nifty special effects by redefining them. +% 1/ the commented text is written to an external file. Default definition: +% \def\CommentCutFile{comment.cut} +% 2/ included comments are processed like this: +% \def\ProcessCutFile{\input{\CommentCutFile}\relax} +% and excluded files have +% \def\ProcessCutFile{} +% +% Fun use of special comments: the inclusion of the comment is done +% by \ProcessCutFile, so you can redefine that: +% \specialcomment{mathexamplewithcode} +% {\begingroup\def\ProcessCutFile{}} %1 +% {\verbatiminput{\CommentCutFile} %2 +% \endgroup +% This gives: +% \begin{equation} \input{\CommentCutFile} \end{equation} +% } +% 1: do not standard include the file +% 2: input it verbatim, then again inside display math +% +% You can also apply processing to each line. % By defining a control sequence % \def\Thiscomment##1{...} in the before commands the user can -% specify what is to be done with each comment line. -% BUG this does not work quite yet BUG +% specify what is to be done with each comment line. If something +% needs to be written to file, use \WriteCommentLine{the stuff} +% Example: +% \specialcomment{underlinecomment} +% {\def\ThisComment##1{\WriteCommentLine{\string\underline{##1}\string\par}} +% \par} +% {\par} % % Trick for short in/exclude macros (such as \maybe{this snippet}): %\includecomment{cond} @@ -93,16 +126,27 @@ %\renewcommand{\maybe}[1]{#1} %\end{cond} % -% Basic approach of the implementation: -% to comment something out, scoop up every line in verbatim mode -% as macro argument, then throw it away. -% For inclusions, in LaTeX the block is written out to -% a file \CommentCutFile (default "comment.cut"), which is -% then included. -% In plain TeX (and other formats) both the opening and -% closing comands are defined as noop. -% -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% +% Changes in 3.7 +% - only LaTeX support from now on +% - code cleanup, and improvements on \specialcomment +% - cleanup of the docs. +% Changed in 3.6 +% - documentation update +% - comment file inclusion is now a customizable command +% Changes in 3.5 +% - corrected typo in header. +% - changed author email +% - corrected \specialcomment yet again. +% - fixed excludecomment of an earlier defined environment. +% Changes in 3.4 +% - added GNU public license +% - added \processcomment, because Ivo's fix (above) brought an +% inconsistency to light. +% Changes in 3.3 +% - updated author's address again +% - parametrised \CommentCutFile +% Changes in 3.2 +% - \specialcomment brought up to date (thanks to Ivo Welch). % Changes in version 3.1 % - updated author's address % - cleaned up some code @@ -115,163 +159,117 @@ % \end{env} % Isn't that something ... % - included comments are written to file and input again. -% Changes in 3.2 -% - \specialcomment brought up to date (thanks to Ivo Welch). -% Changes in 3.3 -% - updated author's address again -% - parametrised \CommentCutFile -% Changes in 3.4 -% - added GNU public license -% - added \processcomment, because Ivo's fix (above) brought an -% inconsistency to light. -% Changes in 3.5 -% - corrected typo in header. -% - changed author email -% - corrected \specialcomment yet again. -% - fixed excludecomment of an earlier defined environment. -% Changes in 3.6 -% - The 'cut' file is now written more verbatim, using \meaning; -% some people reported having trouble with ISO latin 1, or umlaute.sty. -% - removed some \newif statements. -% Has this suddenly become \outer again? % % Known bugs: % - excludecomment leads to one superfluous space -% - processcomment leads to a superfluous line break +% - processcomment leads to a superfluous line break at the start % -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% - \def\makeinnocent#1{\catcode`#1=12 } \def\csarg#1#2{\expandafter#1\csname#2\endcsname} \def\latexname{lplain}\def\latexename{LaTeX2e} \newwrite\CommentStream -\def\CommentCutFile{comment.cut} +\def\DefaultCutFileName{\def\CommentCutFile{comment.cut}} +\DefaultCutFileName +% begin / end processing +% +% this contains the only real begin/endgroup commands, to keep the +% catcode changes local. \def\ProcessComment#1% start it all of - {\begingroup - \def\CurrentComment{#1}% + {\def\CurrentComment{#1}% + \begingroup \let\do\makeinnocent \dospecials \makeinnocent\^^L% and whatever other special cases - \endlinechar`\^^M \catcode`\^^M=12 \xComment} -%\def\ProcessCommentWithArg#1#2% to be used in \leveledcomment -% {\begingroup -% \def\CurrentComment{#1}% -% \let\do\makeinnocent \dospecials -% \makeinnocent\^^L% and whatever other special cases -% \endlinechar`\^^M \catcode`\^^M=12 \xComment} + \endlinechar`\^^M\relax \catcode`\^^M=12\relax \xComment} {\catcode`\^^M=12 \endlinechar=-1 % - \gdef\xComment#1^^M{% - \expandafter\ProcessCommentLine} + \gdef\xComment#1^^M{\ProcessCommentLine} \gdef\ProcessCommentLine#1^^M{\def\test{#1} \csarg\ifx{End\CurrentComment Test}\test - \edef\next{\noexpand\EndOfComment{\CurrentComment}}% + \edef\next{\endgroup\noexpand\EndOfComment{\CurrentComment}}% \else \ThisComment{#1}\let\next\ProcessCommentLine \fi \next} } -\def\CSstringmeaning#1{\expandafter\CSgobblearrow\meaning#1} -\def\CSstringcsnoescape#1{\expandafter\CSgobbleescape\string#1} -{\escapechar-1 -\expandafter\expandafter\expandafter\gdef - \expandafter\expandafter\expandafter\CSgobblearrow - \expandafter\string\csname macro:->\endcsname{} -} -\def\CSgobbleescape#1{\ifnum`\\=`#1 \else #1\fi} -\def\WriteCommentLine#1{\def\CStmp{#1}% - \immediate\write\CommentStream{\CSstringmeaning\CStmp}} - -% 3.1 change: in LaTeX and LaTeX2e prevent grouping -\if 0% -\ifx\fmtname\latexename - 0% -\else \ifx\fmtname\latexname - 0% - \else - 1% -\fi \fi -%%%% -%%%% definitions for LaTeX -%%%% -\def\AfterIncludedComment +%% +%% Initial action: SetUpCutFile opens the CommentCutFile +%% +\def\SetUpCutFile + {\immediate\openout\CommentStream=\CommentCutFile} +%% +%% Each line action: ThisComment, default: WriteCommentLine on line contents +%% +\long\def\WriteCommentLine#1{\immediate\write\CommentStream{#1}} +\let\ThisComment\WriteCommentLine +%% +%% Final action: ProcessCutFile +\def\ProcessCutFile + {\message{Straight input of \CommentCutFile.}% + \input{\CommentCutFile}\relax} +\def\CloseAndInputCutFile {\immediate\closeout\CommentStream - \input{\CommentCutFile}\relax - }% -\def\TossComment{\immediate\closeout\CommentStream} -\def\BeforeIncludedComment - {\immediate\openout\CommentStream=\CommentCutFile - \let\ThisComment\WriteCommentLine} + \ProcessCutFile} + +%% +%% Define the different comment types +%% +% included comments: all the default actions \def\includecomment #1{\message{Include comment '#1'}% - \csarg\let{After#1Comment}\AfterIncludedComment - \csarg\def{#1}{\BeforeIncludedComment - \ProcessComment{#1}}% + \csarg\def{After#1Comment}{\CloseAndInputCutFile} + \csarg\def{#1}{\endgroup \message{Including '#1' comment.}% + \DefaultCutFileName \SetUpCutFile \ProcessComment{#1}}% + \CommentEndDef{#1}} +% excluded comment: also default +\def\excludecomment + #1{\message{Excluding comment '#1'}% + \csarg\def{#1}{\endgroup \message{Excluding '#1' comment.}% + \begingroup + \DefaultCutFileName \def\ProcessCutFile{}% + \def\ThisComment####1{}\ProcessComment{#1}}% + \csarg\def{After#1Comment}{\CloseAndInputCutFile \endgroup} \CommentEndDef{#1}} +% special comment \long\def\specialcomment #1#2#3{\message{Special comment '#1'}% - % note: \AfterIncludedComment does \input, so #2 goes here! - \csarg\def{After#1Comment}{#2\AfterIncludedComment#3}% - \csarg\def{#1}{\BeforeIncludedComment\relax + \csarg\def{#1}{\endgroup \message{Processing '#1' comment.}% + \DefaultCutFileName + #2\relax \SetUpCutFile + % #2 before SetUp, so we can do renaming. + \message{Comment '#1' writing to \CommentCutFile.}% \ProcessComment{#1}}% + \csarg\def{After#1Comment}{\CloseAndInputCutFile #3}% + \CommentEndDef{#1}} +\long\def\generalcomment + #1#2#3{\message{General comment '#1'}% + \csarg\def{#1}{\endgroup % counter the environment open of LaTeX + #2 \relax \SetUpCutFile \ProcessComment{#1}}% + \csarg\def{After#1Comment}{\CloseAndInputCutFile #3}% \CommentEndDef{#1}} \long\def\processcomment #1#2#3#4{\message{Lines-Processing comment '#1'}% - \csarg\def{After#1Comment}{#3\AfterIncludedComment#4}% - \csarg\def{#1}{\BeforeIncludedComment#2\relax + \csarg\def{#1}{\endgroup \SetUpCutFile #2\relax \ProcessComment{#1}}% + \csarg\def{After#1Comment}{#3\CloseAndInputCutFile #4}% \CommentEndDef{#1}} \def\leveledcomment #1#2{\message{Include comment '#1' up to level '#2'}% + %\csarg\newif{if#1IsStreamingComment} + %\csarg\newif{if#1IsLeveledComment} %\csname #1IsLeveledCommenttrue\endcsname - \csarg\let{After#1Comment}\AfterIncludedComment - \csarg\def{#1}{\BeforeIncludedComment + \csarg\let{After#1Comment}\CloseAndInputCutFile + \csarg\def{#1}{\SetUpCutFile \ProcessCommentWithArg{#1}}% \CommentEndDef{#1}} -\else -%%%% -%%%%plain TeX and other formats -%%%% -\def\includecomment - #1{\message{Including comment '#1'}% - \csarg\def{#1}{}% - \csarg\def{end#1}{}} -\long\def\specialcomment - #1#2#3{\message{Special comment '#1'}% - \csarg\def{#1}{\def\ThisComment{}\def\AfterComment{#3}#2% - \ProcessComment{#1}}% - \CommentEndDef{#1}} -\fi -%%%% -%%%% general definition of skipped comment -%%%% -\def\excludecomment - #1{\message{Excluding comment '#1'}% - \csarg\def{#1}{\let\AfterComment\relax - \def\ThisComment####1{}\ProcessComment{#1}}% - \csarg\let{After#1Comment}\TossComment - \CommentEndDef{#1}} - -\if 0% -\ifx\fmtname\latexename - 0% -\else \ifx\fmtname\latexname - 0% - \else - 1% -\fi \fi -% latex & latex2e: -\def\EndOfComment#1{\endgroup\end{#1}% - \csname After#1Comment\endcsname} +\makeatletter +\def\EndOfComment#1{% + \csname After#1Comment\endcsname + % sabotage LaTeX's environment testing + \begingroup\def\@currenvir{#1}\end{#1}} \def\CommentEndDef#1{{\escapechar=-1\relax \csarg\xdef{End#1Test}{\string\\end\string\{#1\string\}}% }} -\else -% plain & other -\def\EndOfComment#1{\endgroup\AfterComment} -\def\CommentEndDef#1{{\escapechar=-1\relax - \csarg\xdef{End#1Test}{\string\\end#1}% - }} -\fi +\makeatother \excludecomment{comment} |