--- doc/help/texxml2latex.pl	2003/07/01 18:20:52	1.4
+++ doc/help/texxml2latex.pl	2003/07/21 15:22:14	1.7
@@ -30,58 +30,88 @@
 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 = "../../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 ($tag eq 'tex')
-	{
+	if ($tag eq 'tex') {
 	    print "\n\n";
 	    print $attr->{'content'};
 	    print "\n\n";
 	}
+
+	if ($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;
+	    # pod2latex inserts \labels and \indexs for every section,
+	    # which is horrible because the section names tend to get
+	    # reused a lot. This filters those out, so we need to do
+	    # create our own indexes.
+	    for (<LATEX_FILE>) {
+		$_ =~ s/\\([^{]*)section(\*?)\{([^\\]+)\\label\{[^\\]+\}\\index\{([^\\]+)\}\}/\\\1section\2\{\3\}/g;
+		print $_;
+	    }
+	    print "\n\n";
+	}
     }
 }
 
 # Print out the footer.
 open (LATEX_FILE, $dirprefix . "Latex_Footer.tex");
 print <LATEX_FILE>;
+
+# Remove the temp directory
+system ("rm -rf $tmpdir");