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41814bc51f
the one from Override.pm (part of latex2html). Absolutize the TEXINPUTS environment variable, since we can't count on latex2html doing it for us (even though I sent in a patch, and it really should).
415 lines
13 KiB
Perl
415 lines
13 KiB
Perl
#LaTeX2HTML Version 96.1 : dot.latex2html-init -*- perl -*-
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#
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# Significantly revised by Fred L. Drake, Jr. <fdrake@acm.org> for use
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# with the Python documentation.
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#
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# New name to avoid distributing "dot" files with the Python documentation.
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#
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package Override;
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use Cwd qw(getcwd);
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package main;
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$INFO = 1; # 0 = do not make a "About this document..." section
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$MAX_LINK_DEPTH = 3;
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$ADDRESS = '';
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$NUMBERED_FOOTNOTES = 1;
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# Python documentation uses section numbers to support references to match
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# in the printed and online versions.
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#
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$SHOW_SECTION_NUMBERS = 1;
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$ICONSERVER = '../icons';
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$CHILDLINE = "\n<p><hr>\n";
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$VERBOSITY = 0;
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$TEXINPUTS = ''; # avoid bogus l2h setting it to ':' !!!
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sub absolutize_path{
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my $path = @_[0];
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my $npath = '';
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foreach $dir (split $envkey, $path) {
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$npath .= make_directory_absolute($dir) . $envkey;
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}
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$npath =~ s/$envkey$//;
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$npath;
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}
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# This is done because latex2html doesn't do this for us, but does change the
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# directory out from under us.
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if (defined $ENV{'TEXINPUTS'}) {
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$ENV{'TEXINPUTS'} = absolutize_path($ENV{'TEXINPUTS'});
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}
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# Locate a file that's been "require"d. Assumes that the file name of interest
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# is unique within the set of loaded files, after directory names have been
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# stripped. Only the directory is returned.
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#
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sub find_my_file{
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my($myfile,$key,$tmp,$mydir) = (@_[0], '', '', '');
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foreach $key (keys %INC) {
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$tmp = "$key";
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$tmp =~ s|^.*/||o;
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if ($tmp eq $myfile) {
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$mydir = $INC{$key};
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}
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}
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$mydir =~ s|/[^/]*$||;
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$mydir;
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}
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# A little painful, but lets us clean up the top level directory a little,
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# and not be tied to the current directory (as far as I can tell).
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#
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use Cwd;
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use File::Basename;
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($myname, $mydir, $myext) = fileparse(__FILE__, '\..*');
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chop $mydir; # remove trailing '/'
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$mydir = getcwd() . "$dd$mydir"
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unless $mydir =~ s|^/|/|;
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$LATEX2HTMLSTYLES = "$mydir$envkey$LATEX2HTMLSTYLES";
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($myrootname, $myrootdir, $myext) = fileparse($mydir, '\..*');
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chop $myrootdir;
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sub make_nav_panel{
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($NEXT_TITLE ? $NEXT : '')
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. ($UP_TITLE ? $UP : '')
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. ($PREVIOUS_TITLE ? $PREVIOUS : '')
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. $CONTENTS
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. $INDEX
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# . " $CUSTOM_BUTTONS"
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. "\n<br>\n"
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. ($NEXT_TITLE ? "<b>Next:</b> $NEXT_TITLE\n" : '')
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. ($UP_TITLE ? "<b>Up:</b> $UP_TITLE\n" : '')
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. ($PREVIOUS_TITLE ? "<b>Previous:</b> $PREVIOUS_TITLE\n" : '');
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}
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sub top_navigation_panel {
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"<div class=navigation>\n"
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. make_nav_panel()
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. '<br><hr><p></div>';
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}
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sub bot_navigation_panel {
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"<p>\n<div class=navigation><hr>"
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. make_nav_panel()
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. '</div>';
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}
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sub add_link {
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# Returns a pair (iconic link, textual link)
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my($icon, $current_file, @link) = @_;
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my($dummy, $file, $title) = split($delim,
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$toc_section_info{join(' ',@link)});
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if ($title && ($file ne $current_file)) {
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$title = purify($title);
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$title = get_first_words($title, $WORDS_IN_NAVIGATION_PANEL_TITLES);
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return (make_href($file, $icon), make_href($file, "$title"))
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}
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elsif ($icon eq $up_visible_mark && $EXTERNAL_UP_LINK) {
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return (make_href($EXTERNAL_UP_LINK, $icon),
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make_href($EXTERNAL_UP_LINK, "$EXTERNAL_UP_TITLE"))
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}
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elsif (($icon eq $previous_visible_mark
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|| $icon eq $previous_page_visible_mark)
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&& $EXTERNAL_PREV_LINK && $EXTERNAL_PREV_TITLE) {
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return (make_href($EXTERNAL_PREV_LINK, $icon),
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make_href($EXTERNAL_PREV_LINK, "$EXTERNAL_PREV_TITLE"))
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}
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elsif (($icon eq $next_visible_mark
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|| $icon eq $next_page_visible_mark)
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&& $EXTERNAL_DOWN_LINK && $EXTERNAL_DOWN_TITLE) {
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return (make_href($EXTERNAL_DOWN_LINK, $icon),
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make_href($EXTERNAL_DOWN_LINK, "$EXTERNAL_DOWN_TITLE"))
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}
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(&inactive_img($icon), "");
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}
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sub add_special_link {
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my($icon, $file, $current_file) = @_;
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(($file && ($file ne $current_file)) ? make_href($file, $icon) : undef)
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}
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sub img_tag {
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local($icon) = @_;
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my $alt;
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my $align = " align=bottom ";
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$alt = join('|', 'up', 'next_group', 'previous_group'
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, 'next', 'previous', 'change_begin_right', 'change_begin'
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, 'change_end_right', 'change_end', 'change_delete_right'
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, 'change_delete', 'contents', 'index');
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if ($icon =~ /(gif|png)$/) {
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$used_icons{$icon} = 1;
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if ($icon =~ /change_(begin|end|delete)_right/) { $align = ' ' };
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my $nav_border = "$NAV_BORDER";
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if ($icon =~ /($alt)/) {
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$alt = $1;
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}
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else {
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$nav_border = '1';
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$alt = '[*]';
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};
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if ($LOCAL_ICONS) {
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return join('', '<img ', $iconsizes{$1}, $align
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,'border=', $nav_border, ' alt="', $alt
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,'" src="', $icon, '">' );
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}
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return join('', '<img ', $iconsizes{$1}, $align
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,'border=', $nav_border, ' alt="', $alt, '"\n'
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,' src="', $ICONSERVER, "/$icon", '">' );
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}
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else {
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return $icon;
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}
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}
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sub gen_index_id {
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# this is used to ensure common index key generation and a stable sort
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my($str,$extra) = @_;
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sprintf('%s###%s%010d', $str, $extra, ++$global{'max_id'});
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}
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sub make_index_entry {
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my($br_id,$str) = @_;
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# If TITLE is not yet available (i.e the \index command is in the title of the
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# current section), use $ref_before.
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$TITLE = $ref_before unless $TITLE;
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# Save the reference
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$str = gen_index_id($str, '');
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$index{$str} .= make_half_href("$CURRENT_FILE#$br_id");
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"<a name=\"$br_id\">$anchor_invisible_mark<\/a>";
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}
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sub insert_index{
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my($mark,$datafile) = @_;
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my $index = `$myrootdir/tools/buildindex.py $datafile`;
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s/$mark/$index/;
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}
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sub add_idx{
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print "\nDoing the index ...";
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close(IDXFILE);
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insert_index($idx_mark, 'index.dat');
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}
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$idx_module_mark = '<tex2html_idx_module_mark>';
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$idx_module_title = 'Module Index';
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sub add_module_idx{
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print "\nDoing the module index ...";
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my $key;
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open(MODIDXFILE, '>modindex.dat') || die "\n$!\n";
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foreach $key (keys %Modules) {
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# dump the line in the data file; just use a dummy seqno field
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print MODIDXFILE "$Modules{$key}" . $IDXFILE_FIELD_SEP . "$key###\n";
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}
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close(MODIDXFILE);
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insert_index($idx_module_mark, 'modindex.dat');
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}
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# replace both indexes as needed:
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sub add_idx_hook{
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&add_idx if (/$idx_mark/);
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&add_module_idx if (/$idx_module_mark/);
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}
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# In addition to the standard stuff, add label to allow named node files.
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sub do_cmd_tableofcontents {
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local($_) = @_;
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$TITLE = $toc_title;
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$tocfile = $CURRENT_FILE;
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my($closures,$reopens) = preserve_open_tags();
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anchor_label('contents', $CURRENT_FILE, $_); # this is added
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join('', "<BR>\n", $closures
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, make_section_heading($toc_title, 'H2'), $toc_mark
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, $reopens, $_);
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}
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# In addition to the standard stuff, add label to allow named node files.
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sub do_cmd_listoffigures {
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local($_) = @_;
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$TITLE = $lof_title;
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$loffile = $CURRENT_FILE;
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my($closures,$reopens) = preserve_open_tags();
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anchor_label('lof', $CURRENT_FILE, $_); # this is added
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join('', "<BR>\n", $closures
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, make_section_heading($lof_title, 'H2'), $lof_mark
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, $reopens, $_);
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}
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# In addition to the standard stuff, add label to allow named node files.
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sub do_cmd_listoftables {
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local($_) = @_;
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$TITLE = $lot_title;
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$lotfile = $CURRENT_FILE;
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my($closures,$reopens) = preserve_open_tags();
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anchor_label('lot', $CURRENT_FILE, $_); # this is added
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join('', "<BR>\n", $closures
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, make_section_heading($lot_title, 'H2'), $lot_mark
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, $reopens, $_);
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}
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# In addition to the standard stuff, add label to allow named node files.
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sub do_cmd_textohtmlinfopage {
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local($_) = @_;
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if ($INFO) { #
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anchor_label("about",$CURRENT_FILE,$_); # this is added
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} #
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( ($INFO == 1)
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? join('', $close_all
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, "<STRONG>$t_title</STRONG><P>\nThis document was generated using the\n"
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, "<A HREF=\"$TEX2HTMLADDRESS\"><STRONG>LaTeX</STRONG>2<tt>HTML</tt></A>"
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, " translator Version $TEX2HTMLVERSION\n"
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, "<P>Copyright © 1993, 1994, 1995, 1996, 1997,\n"
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, "<A HREF=\"$AUTHORADDRESS\">Nikos Drakos</A>, \n"
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, "Computer Based Learning Unit, University of Leeds.\n"
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, "<P>The command line arguments were: <BR>\n "
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, "<STRONG>latex2html</STRONG> <tt>$argv</tt>.\n"
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, "<P>The translation was initiated by $address_data[0] on $address_data[1]"
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, $open_all, $_)
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: join('', $close_all, $INFO,"\n", $open_all, $_))
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}
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# $idx_mark will be replaced with the real index at the end
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sub do_cmd_textohtmlindex {
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local($_) = @_;
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$TITLE = $idx_title;
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$idxfile = $CURRENT_FILE;
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if (%index_labels) { make_index_labels(); }
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if (($SHORT_INDEX) && (%index_segment)) { make_preindex(); }
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else { $preindex = ''; }
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my $heading = make_section_heading($idx_title, 'h2') . $idx_mark;
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my($pre,$post) = minimize_open_tags($heading);
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anchor_label('genindex',$CURRENT_FILE,$_); # this is added
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'<br>\n' . $pre . $_;
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}
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# $idx_module_mark will be replaced with the real index at the end
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sub do_cmd_textohtmlmoduleindex {
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local($_) = @_;
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$TITLE = $idx_module_title;
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anchor_label("modindex",$CURRENT_FILE,$_);
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'<p>' . make_section_heading($idx_module_title, "h2")
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. $idx_module_mark . $_;
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}
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# The bibliography and the index should be treated as separate sections
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# in their own HTML files. The \bibliography{} command acts as a sectioning command
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# that has the desired effect. But when the bibliography is constructed
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# manually using the thebibliography environment, or when using the
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# theindex environment it is not possible to use the normal sectioning
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# mechanism. This subroutine inserts a \bibliography{} or a dummy
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# \textohtmlindex command just before the appropriate environments
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# to force sectioning.
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# XXX This *assumes* that if there are two {theindex} environments, the
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# first is the module index and the second is the standard index. This
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# is sufficient for the current Python documentation, but that's about
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# it.
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sub add_bbl_and_idx_dummy_commands {
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my $id = $global{'max_id'};
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s/([\\]begin\s*$O\d+$C\s*thebibliography)/$bbl_cnt++; $1/eg;
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s/([\\]begin\s*$O\d+$C\s*thebibliography)/$id++; "\\bibliography$O$id$C$O$id$C $1"/geo
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#if ($bbl_cnt == 1)
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;
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#}
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#----------------------------------------------------------------------
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# (FLD) This was added
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my(@parts) = split(/\\begin\s*$O\d+$C\s*theindex/);
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if (scalar(@parts) == 3) {
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# Be careful to re-write the string in place, since $_ is *not*
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# returned explicity; *** nasty side-effect dependency! ***
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print "\nadd_bbl_and_idx_dummy_commands ==> adding module index";
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my $rx = "([\\\\]begin\\s*$O\\d+$C\\s*theindex[\\s\\S]*)"
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. "([\\\\]begin\\s*$O\\d+$C\\s*theindex)";
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s/$rx/\\textohtmlmoduleindex \1 \\textohtmlindex \2/o;
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}
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else {
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$global{'max_id'} = $id; # not sure why....
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s/([\\]begin\s*$O\d+$C\s*theindex)/\\textohtmlindex $1/o;
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s/[\\]printindex/\\textohtmlindex /o;
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}
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#----------------------------------------------------------------------
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lib_add_bbl_and_idx_dummy_commands()
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if defined(&lib_add_bbl_and_idx_dummy_commands);
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}
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# The bibliographic references, the appendices, the lists of figures and tables
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# etc. must appear in the contents table at the same level as the outermost
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# sectioning command. This subroutine finds what is the outermost level and
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# sets the above to the same level;
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sub set_depth_levels {
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# Sets $outermost_level
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my $level;
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#RRM: do not alter user-set value for $MAX_SPLIT_DEPTH
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foreach $level ("part", "chapter", "section", "subsection",
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"subsubsection", "paragraph") {
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last if (($outermost_level) = /\\($level)$delimiter_rx/);
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}
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$level = ($outermost_level ? $section_commands{$outermost_level} :
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do {$outermost_level = 'section'; 3;});
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#RRM: but calculate value for $MAX_SPLIT_DEPTH when a $REL_DEPTH was given
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if ($REL_DEPTH && $MAX_SPLIT_DEPTH) {
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$MAX_SPLIT_DEPTH = $level + $MAX_SPLIT_DEPTH;
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} elsif (!($MAX_SPLIT_DEPTH)) { $MAX_SPLIT_DEPTH = 1 };
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%unnumbered_section_commands = ('tableofcontents' => $level,
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'listoffigures' => $level,
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'listoftables' => $level,
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'bibliography' => $level,
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'textohtmlindex' => $level,
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'textohtmlmoduleindex' => $level);
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$section_headings{'textohtmlmoduleindex'} = 'h1';
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%section_commands = (%unnumbered_section_commands,
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%section_commands);
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make_sections_rx();
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}
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# Fix from Ross Moore for ']' in \item[...]; this can be removed once the next
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# patch to LaTeX2HTML is released and tested ... if the patch gets included.
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# Be very careful to keep this around, just in case things break again!
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#
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sub protect_useritems {
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local(*_) = @_;
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local($preitems,$thisitem);
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while (/\\item\s*\[/) {
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$preitems .= $`;
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$_ = $';
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$thisitem = $&.'<<'.++$global{'max_id'}.'>>';
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s/^(((($O|$OP)\d+($C|$CP)).*\3|<[^<>]*>|[^\]<]+)*)\]/$thisitem.=$1;''/e;
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$preitems .= $thisitem . '<<' . $global{'max_id'} . '>>]';
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s/^]//;
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}
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$_ = $preitems . $_;
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}
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# This changes the markup used for {verbatim} environments, and is the
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# best way I've found that ensures the <dl> goes one the outside of the
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# <pre>...</pre>.
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#
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# Note that this *must* be done in the init file, not the python.perl
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# style support file. The %declarations must be set before initialize()
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# is called in the main script.
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#
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%declarations = ('preform' => '<dl><dd><pre></pre></dl>',
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%declarations);
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1; # This must be the last line
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