--- doc/help/texxml2latex.pl	2002/07/05 16:12:30	1.1
+++ doc/help/texxml2latex.pl	2003/07/18 20:58:33	1.6
@@ -1,55 +1,103 @@
 #!/usr/bin/perl
 
+# The LearningOnline Network with CAPA
+# Converts a texxml file into a single tex file
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+# 7-16-2002 Jeremy Bowers
+
 use strict;
 use HTML::TokeParser;
 use GDBM_File;
+use File::Temp;
 
 # accept texxml document on standard in
 my $p = HTML::TokeParser->new( $ARGV[0] );
-my $dirprefix = "/home/httpd/html/adm/help/tex/";
+my $dirprefix = "../../loncom/html/adm/help/tex/";
+
+# Make myself a temp dir for processing POD
+my $tmpdir = File::Temp::tempdir('loncapahelpgenXXXXXXX', TMPDIR => 1);
 
 # Print the header
 open (LATEX_FILE, $dirprefix . "Latex_Header.tex");
 print <LATEX_FILE>;
 
-
 while (my $token = $p->get_token())
 {
     my $type = $token->[0];
-    if ($type eq 'S')
-    {
+    if ($type eq 'S') {
 	my $tag = $token->[1];
 	my $attr = $token->[2];
-	if ($tag eq 'section')
-	{
+	if ($tag eq 'section') {
 	    my $title = $attr->{'name'};
 	    print "\\section{$title}\n\n";
 	}
 
-	if ($tag eq 'subsection')
-	{
+	if ($tag eq 'subsection') {
 	    my $title = $attr->{'name'};
 	    print "\\subsection{$title}\n\n";
 	}
 
-	if ($tag eq 'subsubsection')
-	{
+	if ($tag eq 'subsubsection') {
 	    my $title = $attr->{'name'};
 	    print "\\subsubsection{$title}\n\n";
 	}
 
-	if ($tag eq 'file')
-	{
+	if ($tag eq 'file') {
 	    my $file = $attr->{'name'};
 	    open (LATEX_FILE, $dirprefix . $file);
 	    print <LATEX_FILE>;
+	    print "\n\n";
 	}
 
-	if ($tag eq 'tex')
-	{
-	    print "\n";
+	if ($tag eq 'tex') {
+	    print "\n\n";
 	    print $attr->{'content'};
-	    print "\n";
+	    print "\n\n";
+	}
+
+	if ($tag eq 'pod') {
+	    my $file = $attr->{'file'};
+	    my $section = $attr->{'section'};
+	    if (!defined($section)) { $section = ''; }
+	    else { 
+		$section = "-section $section";
+		# Escape the pipes so they are considered ORs in the
+		# RE for podselect's "section" option, and not 
+		# pipes by the shell:
+		$section =~ s/\|/\\\|/g;
+	    }
+	    $file = '../../loncom/' . $file;
+	    my $tempfile = 't' . substr($file, rindex($file, '/') + 1);
+	    system ("cp $file $tmpdir");
+	    # The "echo" command is necessary; pod2latex can't
+	    # handle a perl file that *starts* with pod.
+	    system ("echo > $tmpdir/$tempfile; cat $file | podselect $section >> $tmpdir/$tempfile; cd $tmpdir; pod2latex -h1level 2 $tempfile");
+	    my $latexFile = substr($tempfile, 0, rindex($tempfile, '.')) . '.tex';
+	    open LATEX_FILE, $tmpdir . '/' . $latexFile;
+	    print <LATEX_FILE>;
+	    print "\n\n";
 	}
     }
 }
@@ -57,3 +105,6 @@ while (my $token = $p->get_token())
 # Print out the footer.
 open (LATEX_FILE, $dirprefix . "Latex_Footer.tex");
 print <LATEX_FILE>;
+
+# Remove the temp directory
+system ("rm -rf $tmpdir");