latex code to create list of hyphenation patterns

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@9387 a592a061-630c-0410-9148-cb99ea01b6c8

lib/ChangeLog

@@ -1,10 +1,17 @@
+2004-12-16  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* configure.m4: remove code for checking languages in the LaTeX
+	format... 
+
+	* chkconfig.ltx: ... and replace it with a TeX solution
+
 2004-12-13  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>
 
 	* CREDITS: add John Spray
 
 2004-12-07  Martin Vermeer  <martin.vermeer@hut.fi>
 
-	 * configure.m4: add printout of language list for which
+	* configure.m4: add printout of language list for which
         hyphenation is enabled
 
 2004-11-19  Jürgen Spitzmüller  <j.spitzmueller@gmx.de>

lib/chkconfig.ltx

@@ -152,6 +152,25 @@
 \message{^^J\prefix checking for LaTeX version... \fmtversion}
 \AddVariable{fmtversion}{\fmtversion}
 
+%%% And now, the list of available languages
+% The trick is to know that \the\everyjob contains something like
+%  \typeout{LaTeX2e <2001/06/01>}
+%  \typeout{Babel <v3.7h> and hyphenation patterns for american, french, german, ngerman, nohyphenation, loaded.}
+% All we have to do is to extract the list from there:
+% (1) concatenate all the messages that are displayed everytime the
+% format is loaded. The is done by redefining locally \typeout to
+% append its argument to the macro \mesg.
+\def\mesg{}
+{\def\typeout#1{\xdef\mesg{\mesg #1}}
+ \the\everyjob}
+% (2) strip the useless parts from \mesg. This uses the fact that TeX
+% allows to define macros with parameters delimited by arbitrary text.
+\def\strip#1patterns for #2, loaded.#3\endmark{\def\langs{#2}}
+\expandafter\strip\mesg\endmark
+% (3) handle the result
+\message{^^J\prefix checking for available hyphenation patterns... \langs}
+\AddVariable{languages}{\langs}
+
 %%% Check for ec fonts. Most of this code has been shamelessely stolen
 %%% from the file ltxcheck.tex in the LaTeX distribution. In particular,
 %%% don't ask me how the macro \ecrm works...

lib/configure.m4

@@ -219,19 +219,6 @@ else
   LATEX=
   ac_result="not useable"
 fi
-# Grab the list of languages avaliable to LaTeX by parsing the LaTeX log file, chklatex.log.
-LANGUAGES=`sed -n '/hyphenation patterns/{
-:loop
-/loaded\.$/!{
-$!{
-N
-s/\n//
-s/^.*for\ //
-tloop
-}
-}
-/loaded\.$/p
-}' chklatex.log`
 rm -f chklatex.ltx chklatex.log])dnl
 dnl
 # Search LaTeX2e
@@ -536,11 +523,6 @@ changequote(,)dnl
 echo "creating doc/LaTeXConfig.lyx"
 echo "s/@chk_linuxdoc@/$chk_linuxdoc/g" >> chkconfig.sed
 echo "s/@chk_docbook@/$chk_docbook/g" >> chkconfig.sed
-# Add a line to chkconfig.sed so that the placeholder in
-# LaTeXConfig.lyx.in will be replaced by the list of available
-# languages.
-test "${LANGUAGES}" != "" && \
-        echo "s/@chk_languages@/${LANGUAGES}/g" >> chkconfig.sed
 sed -f chkconfig.sed "${srcdir}"/doc/LaTeXConfig.lyx.in >doc/LaTeXConfig.lyx
 
 echo "creating $outfile"

lib/doc/ChangeLog

@@ -1,3 +1,8 @@
+2004-12-16  Jean-Marc Lasgouttes  <lasgouttes@lyx.org>
+
+	* LaTeXConfig.lyx.in: change a bit the description of language
+	list (do not use a subsection in a description)
+
 2004-12-07  Martin Vermeer  <martin.vermeer@hut.fi>
 
 	* LaTeXConfig.lyx.in: add printout of language list for which 

lib/doc/LaTeXConfig.lyx.in

@@ -1,5 +1,5 @@
 #LyX 1.4.0cvs created this file. For more info see http://www.lyx.org/
-\lyxformat 237
+\lyxformat 238
 \begin_document
 \begin_header
 \textclass article
@@ -2108,14 +2108,10 @@ Table of contents
 \end_layout
 
 \begin_deeper
-\begin_layout Subsubsection*
-
-Languages for which hyphenation patterns are loaded:
-\end_layout
-
 \begin_layout Standard
 
-@chk_languages@
+Your LaTeX installation has hyphenation patterns for the following languages:
+ @chk_languages@
 \end_layout
 
 \begin_layout Standard