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f730fc3e4e
generated markup. Don't be careless with the navigation icons! We should use the blank icon where there is not anyplace to go for a particular position in the navigation bar.
530 lines
17 KiB
Perl
530 lines
17 KiB
Perl
# LaTeX2HTML support base for use with Python documentation.
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package main;
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use L2hos;
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$HTML_VERSION = 4.0;
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$MAX_LINK_DEPTH = 2;
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$ADDRESS = '';
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$NO_FOOTNODE = 1;
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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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$ICONSERVER = '../icons';
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$IMAGE_TYPE = 'gif';
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# Control where the navigation bars should show up:
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$TOP_NAVIGATION = 1;
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$BOTTOM_NAVIGATION = 1;
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$AUTO_NAVIGATION = 0;
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# these exactly match the python.org colors
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$BODYTEXT = ('bgcolor="#ffffff" text="#000000"'
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. ' link="#0000bb" vlink="#551a8b" alink="#ff0000"');
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$CHILDLINE = "\n<p><hr>\n";
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$VERBOSITY = 0;
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# default # of columns for the indexes
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$INDEX_COLUMNS = 2;
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$MODULE_INDEX_COLUMNS = 4;
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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). Testing
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# an existing definition of $mydir is needed since it cannot be computed when
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# run under mkhowto with recent versions of LaTeX2HTML, since this file is
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# not read directly by LaTeX2HTML any more. mkhowto is required to prepend
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# the required definition at the top of the actual input file.
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#
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if (!defined $mydir) {
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use Cwd;
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use File::Basename;
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($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 $mydir =~ s|^/|/|;
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}
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$LATEX2HTMLSTYLES = "$mydir$envkey$LATEX2HTMLSTYLES";
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push (@INC, $mydir);
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($myrootname, $myrootdir, $myext) = fileparse($mydir, '\..*');
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chop $myrootdir;
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# Hackish way to get the appropriate paper-*/ directory into $TEXINPUTS;
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# pass in the paper size (a4 or letter) as the environment variable PAPER
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# to add the right directory. If not given, the current directory is
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# added instead for use with HOWTO processing.
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#
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if (defined $ENV{'PAPER'}) {
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$mytexinputs = "$myrootdir${dd}paper-$ENV{'PAPER'}$envkey";
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}
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else {
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$mytexinputs = getcwd() . $envkey;
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}
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$mytexinputs .= "$myrootdir${dd}texinputs";
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# Change this variable to change the text added in "About this document...";
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# this should be an absolute pathname to get it right.
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#
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$ABOUT_FILE = "$myrootdir${dd}html${dd}stdabout.dat";
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sub custom_driver_hook {
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#
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# This adds the directory of the main input file to $TEXINPUTS; it
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# seems to be sufficiently general that it should be fine for HOWTO
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# processing.
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#
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my $file = @_[0];
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my($jobname, $dir, $ext) = fileparse($file, '\..*');
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$dir = L2hos->Make_directory_absolute($dir);
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$dir =~ s/$dd$//;
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$TEXINPUTS = "$dir$envkey$mytexinputs";
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print "\nAdding $dir to \$TEXINPUTS\n";
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}
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$CUSTOM_BUTTONS = '';
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sub make_nav_sectref {
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my($label,$title) = @_;
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if ($title) {
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return ("<b class='navlabel'>$label:</b> "
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. "<span class='sectref'>$title</span>\n");
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}
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return '';
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}
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sub make_my_icon {
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my($name, $text) = @_;
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my $iconserver = ($ICONSERVER eq '.') ? '' : "$ICONSERVER/";
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return "<img src=\"$iconserver$name.$IMAGE_TYPE\" border=\"0\""
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. " height=\"32\"\n alt=\"$text\" width=\"32\">";
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}
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$BLANK_ICON = make_my_icon('blank', '');
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@my_icons = ();
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$my_icons{'next_page_inactive'} = $BLANK_ICON;
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$my_icons{'previous_page_inactive'} = $BLANK_ICON;
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$my_icons{'up_page_inactive'} = $BLANK_ICON;
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$x = make_my_icon('next', 'Next Page');
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$my_icons{'next_page'} = $x;
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$my_icons{'next'} = $x;
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$x = make_my_icon('previous', 'Previous Page');
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$my_icons{'previous_page'} = $x;
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$my_icons{'previous'} = $x;
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$my_icons{'up'} = make_my_icon('up', 'Up One Level');
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$my_icons{'contents'} = make_my_icon('contents', 'Contents');
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$my_icons{'index'} = make_my_icon('index', 'Index');
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$my_icons{'modules'} = make_my_icon('modules', 'Module Index');
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sub use_my_icon {
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my $s = @_[0];
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$s =~ s/\<tex2html_([a-z_]+)_visible_mark\>/$my_icons{$1}/;
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return $s;
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}
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sub make_nav_panel {
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my $s;
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$NEXT = $NEXT_TITLE ? use_my_icon("$NEXT") : $BLANK_ICON;
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$UP = $UP_TITLE ? use_my_icon("$UP") : $BLANK_ICON;
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$PREVIOUS = $PREVIOUS_TITLE ? use_my_icon("$PREVIOUS") : $BLANK_ICON;
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$CONTENTS = use_my_icon("$CONTENTS");
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$INDEX = $INDEX ? use_my_icon("$INDEX") : $BLANK_ICON;
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if (!$CUSTOM_BUTTONS) {
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$CUSTOM_BUTTONS = $BLANK_ICON;
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}
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$s = ('<table align="center" width="100%" cellpadding="0" cellspacing="2">'
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. "\n<tr>"
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# left-hand side
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. "\n<td>$PREVIOUS</td>"
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. "\n<td>$UP</td>"
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. "\n<td>$NEXT</td>"
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# title box
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. "\n<td align=\"center\" width=\"100%\">$t_title</td>"
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# right-hand side
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. "\n<td>$CONTENTS</td>"
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. "\n<td>$CUSTOM_BUTTONS</td>" # module index
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. "\n<td>$INDEX</td>"
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. "\n</tr></table>\n"
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# textual navigation
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. make_nav_sectref("Previous", $PREVIOUS_TITLE)
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. make_nav_sectref("Up", $UP_TITLE)
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. make_nav_sectref("Next", $NEXT_TITLE)
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);
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# remove these; they are unnecessary and cause errors from validation
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$s =~ s/ NAME="tex2html\d+"\n */ /g;
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return $s;
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}
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sub top_navigation_panel {
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return make_nav_panel()
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. '<br><hr>';
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}
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sub bot_navigation_panel {
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return "<p><hr>"
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. make_nav_panel();
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}
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sub add_link {
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# Returns a pair (iconic link, textual link)
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my($icon, $current_file, @link) = @_;
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my($dummy, $file, $title) = split($delim,
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$section_info{join(' ',@link)});
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$icon =~ s/\<tex2html_([_a-z]+)_visible_mark\>/$my_icons{$1}/;
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if ($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 $my_icons{"up"} && $EXTERNAL_UP_LINK) {
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return (make_href($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 $my_icons{"previous"}
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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 $my_icons{"next"}
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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, "$EXTERNAL_DOWN_TITLE"))
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}
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return (&inactive_img($icon), "");
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}
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sub add_special_link {
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my($icon, $file, $current_file) = @_;
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$icon =~ s/\<tex2html_([_a-z]+)_visible_mark\>/$my_icons{$1}/;
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return (($file && ($file ne $current_file))
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? make_href($file, $icon)
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: undef)
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}
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# The img_tag() function seems only to be called with the parameter
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# 'anchor_invisible_mark', which we want to turn into ''. Since
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# replace_icon_marks() is the only interesting caller, and all it really
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# does is call img_tag(), we can just define the hook alternative to be
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# a no-op instead.
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#
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sub replace_icons_hook {}
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sub do_cmd_arabic {
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# get rid of that nasty <SPAN CLASS="arabic">...</SPAN>
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my($ctr, $val, $id, $text) = &read_counter_value(@_[0]);
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return ($val ? farabic($val) : "0") . $text;
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}
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sub gen_index_id {
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# this is used to ensure common index key generation and a stable sort
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my($str,$extra) = @_;
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sprintf('%s###%s%010d', $str, $extra, ++$global{'max_id'});
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}
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sub insert_index {
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my($mark,$datafile,$columns,$letters,$prefix) = @_;
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my $prog = "$myrootdir/tools/buildindex.py";
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my $index;
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if ($letters) {
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$index = `$prog --columns $columns --letters $datafile`;
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}
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else {
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$index = `$prog --columns $columns $datafile`;
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}
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s/$mark/$prefix$index/;
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}
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sub add_idx {
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print "\nBuilding HTML for the index ...";
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close(IDXFILE);
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insert_index($idx_mark, 'index.dat', $INDEX_COLUMNS, 1, '');
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}
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$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 "\nBuilding HTML for the module index ...";
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my $key;
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my $first = 1;
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my $prevplat = '';
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my $allthesame = 1;
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my $prefix = '';
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foreach $key (keys %Modules) {
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$key =~ s/<tt>([a-zA-Z0-9._]*)<\/tt>/\1/;
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my $plat = "$ModulePlatforms{$key}";
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$plat = ''
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if ($plat eq $IGNORE_PLATFORM_ANNOTATION);
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if (!$first) {
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$allthesame = 0
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if ($prevplat ne $plat);
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}
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else { $first = 0; }
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$prevplat = $plat;
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}
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open(MODIDXFILE, '>modindex.dat') || die "\n$!\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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my $nkey = $1;
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my $moditem = "$Modules{$key}";
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my $plat = '';
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$key =~ s/<tt>([a-zA-Z0-9._]*)<\/tt>/\1/;
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if ($ModulePlatforms{$key} && !$allthesame) {
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$plat = (" <em>(<span class='platform'>$ModulePlatforms{$key}"
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. '</span>)</em>');
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}
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print MODIDXFILE $moditem . $IDXFILE_FIELD_SEP
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. "<tt class='module'>$key</tt>$plat###\n";
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}
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close(MODIDXFILE);
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if (!$allthesame) {
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$prefix = <<PLAT_DISCUSS;
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<p> Some module names are followed by an annotation indicating what
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platform they are available on.</p>
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PLAT_DISCUSS
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}
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insert_index($idx_module_mark, 'modindex.dat', $MODULE_INDEX_COLUMNS, 0,
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$prefix);
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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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process_python_state();
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}
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# In addition to the standard stuff, add label to allow named node files and
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# support suppression of the page complete (for HTML Help use).
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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\\tableofchildlinks[off]", $closures
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, make_section_heading($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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my $the_version = ''; # and the rest is
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if ($t_date) { # mostly ours
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$the_version = ",\n$t_date";
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if ($PYTHON_VERSION) {
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$the_version .= ", Release $PYTHON_VERSION";
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}
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}
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$_ = (($INFO == 1)
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? join('',
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$close_all,
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"<strong>$t_title</strong>$the_version\n",
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`cat $ABOUT_FILE`,
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$open_all, $_)
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: join('', $close_all, $INFO,"\n", $open_all, $_));
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$_;
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}
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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 $1"/geo;
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my(@parts) = split(/\\begin\s*$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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# Add a button to the navigation areas:
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$CUSTOM_BUTTONS .= $my_icons{'modules'};
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}
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else {
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$CUSTOM_BUTTONS .= $BLANK_ICON;
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$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 $REL_DEPTH was given
|
|
if ($REL_DEPTH && $MAX_SPLIT_DEPTH) {
|
|
$MAX_SPLIT_DEPTH = $level + $MAX_SPLIT_DEPTH;
|
|
} elsif (!($MAX_SPLIT_DEPTH)) { $MAX_SPLIT_DEPTH = 1 };
|
|
|
|
%unnumbered_section_commands = ('tableofcontents' => $level,
|
|
'listoffigures' => $level,
|
|
'listoftables' => $level,
|
|
'bibliography' => $level,
|
|
'textohtmlindex' => $level,
|
|
'textohtmlmoduleindex' => $level);
|
|
$section_headings{'textohtmlmoduleindex'} = 'h1';
|
|
|
|
%section_commands = (%unnumbered_section_commands,
|
|
%section_commands);
|
|
|
|
make_sections_rx();
|
|
}
|
|
|
|
|
|
# This changes the markup used for {verbatim} environments, and is the
|
|
# best way I've found that ensures the <dl> goes on the outside of the
|
|
# <pre>...</pre>.
|
|
#
|
|
# Note that this *must* be done in the init file, not the python.perl
|
|
# style support file. The %declarations must be set before initialize()
|
|
# is called in the main LaTeX2HTML script (which happens before style files
|
|
# are loaded).
|
|
#
|
|
%declarations = ('preform' => '<dl><dd><pre class="verbatim"></pre></dl>',
|
|
%declarations);
|
|
|
|
|
|
# This is added to get rid of the long comment that follows the doctype
|
|
# declaration; MSIE5 on NT4 SP4 barfs on it and drops the content of the
|
|
# page.
|
|
sub make_head_and_body {
|
|
my($title, $body) = @_;
|
|
my $DTDcomment = '';
|
|
my($version, $isolanguage) = ($HTML_VERSION, 'EN');
|
|
my %isolanguages = ( 'english', 'EN' , 'USenglish', 'EN.US'
|
|
, 'original', 'EN' , 'german' , 'DE'
|
|
, 'austrian', 'DE.AT', 'french' , 'FR'
|
|
, 'spanish', 'ES');
|
|
$isolanguage = $isolanguages{$default_language};
|
|
$isolanguage = 'EN' unless $isolanguage;
|
|
$title = &purify($title,1);
|
|
eval("\$title = ". $default_title ) unless ($title);
|
|
|
|
# allow user-modification of the <TITLE> tag; thanks Dan Young
|
|
if (defined &custom_TITLE_hook) {
|
|
$title = &custom_TITLE_hook($title, $toc_sec_title);
|
|
}
|
|
|
|
if ($DOCTYPE =~ /\/\/[\w\.]+\s*$/) { # language spec included
|
|
$DTDcomment = "<!DOCTYPE html PUBLIC \"$DOCTYPE\">\n";
|
|
} else {
|
|
$DTDcomment = "<!DOCTYPE html PUBLIC \"$DOCTYPE//"
|
|
. ($ISO_LANGUAGE ? $ISO_LANGUAGE : $isolanguage) . "\">\n";
|
|
}
|
|
|
|
$STYLESHEET = $FILE.".css" unless $STYLESHEET;
|
|
if (!$charset && $CHARSET) { $charset = $CHARSET; $charset =~ s/_/\-/go; }
|
|
|
|
join('', ($DOCTYPE ? $DTDcomment : '' )
|
|
,"<html>\n<head>\n<title>", $title, "</title>\n"
|
|
, &meta_information($title)
|
|
, ($CHARSET && $HTML_VERSION ge "2.1" ?
|
|
"<meta http-equiv=\"Content-Type\" content=\"text/html; charset=$charset\">\n"
|
|
: "" )
|
|
, ($BASE ? "<base href=\"$BASE\">\n" : "" )
|
|
, "<link rel=\"STYLESHEET\" href=\"$STYLESHEET\">"
|
|
, $more_links_mark
|
|
, "\n</head>\n<body $body>\n");
|
|
}
|
|
|
|
1; # This must be the last line
|