318 lines
10 KiB
Perl
318 lines
10 KiB
Perl
#LaTeX2HTML Version 96.1 : dot.latex2html-init -*- perl -*-
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#
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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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# 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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$SHOW_SECTION_NUMBERS = 1;
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$HTML_VERSION = '3.0';
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$ICONSERVER = '../icons';
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# This replacement adds the "BORDER=0" attribute to the generated icon
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# markup. This is done for no better reason than that it looks better.
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#
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sub img_tag {
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local($icon) = @_;
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( ($icon =~ /(gif)/) ?
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do {
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$icon =~ /(up|next|previous|next_page|previous_page|change_begin|change_end|change_delete|contents|index)/;
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join('','<img ',$iconsizes{$1},' align=bottom alt="',$1,
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'" src="',$ICONSERVER,"/$icon",'" border=0>')
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} :
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$icon);
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}
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# This replacement for process_command() is needed to add the case for
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# "\,"; it is unfortunate we need to do it this way.
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#
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sub process_command {
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local ($cmd_rx, *ref_contents) = @_;
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local($ref_before, $cmd, $after);
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local($cmd_sub, $cmd_msub, $cmd_trans, $mathentity);
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local (@open_font_tags,@open_size_tags);
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$ref_contents = &convert_iso_latin_chars($ref_contents);
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for (;;) { # Do NOT use the o option
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last unless ($ref_contents =~ /$cmd_rx/ );
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($ref_before, $cmd, $after) = ($`, $1, "$2$'");
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print(".");
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# $after =~ s/^[ ]+/ /o; Collapse all spaces that follow a command
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if ($cmd =~ /[a-zA-Z]$/) { # Eat redundant spaces that follow a command
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$after =~ s/^[ \t]+//o; }
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else {
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$after =~ s/^[ \t]+/ /o; }
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if ( $cmd = &normalize($cmd) ) {
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($cmd_sub, $cmd_msub, $cmd_trans, $mathentity) =
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("do_cmd_$cmd", "do_math_cmd_$cmd",
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$declarations{$cmd}, $mathentities{$cmd});
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if (defined &$cmd_sub) {
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# $ref_before may also be modified ...
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if ($cmd =~ /$sizechange_rx/o) {
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$after = &$cmd_sub($after, @open_size_tags);
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} else {
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$after = &$cmd_sub($after, @open_font_tags);
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};
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}
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elsif (defined &$cmd_msub) {
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# $ref_before may also be modified ...
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$after = &$cmd_msub($after, @open_font_tags);
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if ( !$math_mode ) {
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$after = "<math>" . $after . "</math>";
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++$commands_outside_math{$cmd};
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};
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}
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elsif ($cmd_trans) { # One to one transform
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$cmd_trans =~ m|</.*$|;
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$after = $` . $after . $&;
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push(@open_font_tags, $cmd) if ($cmd =~ /$fontchange_rx/o);
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push(@open_size_tags, $cmd) if ($cmd =~ /$sizechange_rx/o);}
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elsif ($mathentity) {
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if ( $math_mode ) {
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$after = "&$mathentity;" . $after;
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} else {
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$after = "<math>&$mathentity;</math>" . $after;
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++$commands_outside_math{$cmd};
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}; }
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# Here's the hack:
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elsif ($cmd == ',' && ! $AUX_FILE) {
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$ref_before = $ref_before . ",";
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}
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elsif ($ignore{$cmd}) { # Ignored command
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print "."}
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elsif ($cmd =~ /^the(.+)$/) { # Counter
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$counter = $1;
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$after = &do_cmd_thecounter($after);}
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else {
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# Do not add if reading an auxiliary file
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++$unknown_commands{$cmd} unless $AUX_FILE;
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}
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}
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$ref_contents = join('', $ref_before, $after);
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}
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$ref_contents;
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}
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sub top_navigation_panel {
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# Now add a few buttons with a space between them
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"<div class=navigation>\n" .
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"$NEXT\n$UP\n$PREVIOUS\n$CONTENTS\n$INDEX $CUSTOM_BUTTONS" .
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"<br>\n" . # Line break
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# If ``next'' section exists, add its title to the navigation panel
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($NEXT_TITLE ? "<b> Next:</b> $NEXT_TITLE\n" : undef) .
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# Similarly with the ``up'' title ...
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($UP_TITLE ? "<b>Up:</b> $UP_TITLE\n" : undef) .
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# ... and the ``previous'' title
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($PREVIOUS_TITLE ? "<b> Previous:</b> $PREVIOUS_TITLE\n" : undef) .
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# Line Break, horizontal rule (3-d dividing line) and new paragraph
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"<br><hr><p></div>\n"
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}
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sub bot_navigation_panel {
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# Start with a horizontal rule (3-d dividing line)
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"\n<div class=navigation><hr>".
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# Now add a few buttons with a space between them
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"$NEXT\n$UP\n$PREVIOUS\n$CONTENTS\n$INDEX $CUSTOM_BUTTONS" .
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"<br>\n" . # Line break
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# If ``next'' section exists, add its title to the navigation panel
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($NEXT_TITLE ? "<b> Next:</b> $NEXT_TITLE\n" : undef) .
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# Similarly with the ``up'' title ...
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($UP_TITLE ? "<b>Up:</b> $UP_TITLE\n" : undef) .
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# ... and the ``previous'' title
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($PREVIOUS_TITLE ? "<b> Previous:</b> $PREVIOUS_TITLE\n" : undef) .
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"</div>\n"
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}
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sub gen_index_id {
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# this is used to ensure common index key generation and a stable sort
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local($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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local($br_id,$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\">$anchor_invisible_mark<\/a>";
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}
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sub add_idx {
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print "\nDoing the index ...";
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local($key, $str, @keys, $index, $level, $count, @previous, @current);
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@keys = keys %index;
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@keys = sort keysort @keys;
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$level = 0;
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foreach $key (@keys) {
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@current = split(/!/, $key);
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$count = 0;
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while ($current[$count] eq $previous[$count]) {
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$count++;
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}
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while ($count > $level) {
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$index .= "<dl compact>\n";
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$level++;
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}
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while ($count < $level) {
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$index .= "</dl>\n";
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$level--;
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}
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foreach $term (@current[$count .. $#current-1]) {
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# need to "step in" a little
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$index .= "<dt>" . $term . "\n<dl compact>\n";
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$level++;
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}
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$str = $current[$#current];
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$str =~ s/\#\#\#\d+$//o; # Remove the unique id's
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$str =~ s/\#\#\#[DR]EF\d+$//o; # Remove the unique id's
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if (&index_key_eq(join('',@current), join('',@previous))) {
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$index .= ",\n$index{$key}" . $cross_ref_visible_mark . "</a>"; }
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else {
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$index .= "\n<dt>$index{$key}" . $str . "</a>"; }
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@previous = @current;
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}
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while ($count < $level) {
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$index .= "</dl>\n";
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$level--;
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}
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s/$idx_mark/<dl compact>$index<\/dl>/o;
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}
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sub index_key_eq {
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local($a,$b) = @_;
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$a = &clean_key($a);
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$a =~ s/\#\#\#\d+$//o; # Remove the unique id's
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$a =~ s/\#\#\#[dr]ef\d+$//o; # Remove the unique id's
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$b = &clean_key($b);
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$b =~ s/\#\#\#\d+$//o; # Remove the unique id's
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$b =~ s/\#\#\#[dr]ef\d+$//o; # Remove the unique id's
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$a eq $b;
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}
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# need to remove leading <...>
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sub clean_key {
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local ($_) = @_;
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tr/A-Z/a-z/;
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s/\s//;
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s/^<[a-z][-._a-z0-9]*>//; # Remove leading <gi>
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$_
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}
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$idx_module_mark = '<tex2html_idx_module_mark>';
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$idx_module_title = 'Module Index';
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sub add_module_idx {
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print "\nDoing the module index ...";
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local($key, @keys, $index);
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$index = "<p>";
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@keys = keys %Modules;
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@keys = sort keysort @keys;
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foreach $key (@keys) {
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$index .= "$Modules{$key}$key</a><br>\n"
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}
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s/$idx_module_mark/$index<p>/o;
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}
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sub remove_general_markers {
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s/$lof_mark/<UL>$figure_captions<\/UL>/o;
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s/$lot_mark/<UL>$table_captions<\/UL>/o;
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&replace_citations if /$bbl_mark/;
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&add_toc if (/$toc_mark/);
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&add_idx if (/$idx_mark/);
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&add_module_idx if (/$idx_module_mark/);
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&replace_cross_references if /$cross_ref_mark/;
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&replace_external_references if /$external_ref_mark/;
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&replace_cite_references if /$cite_mark/;
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if (defined &replace_user_references) {
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&replace_user_references if /$user_ref_mark/;
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}
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}
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# $idx_mark will be replaced with the real index at the end
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sub do_cmd_textohtmlmoduleindex {
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local($_) = @_;
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local($key) = q/modindex/;
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$TITLE = $idx_module_title;
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&anchor_label("modindex",$CURRENT_FILE,$_);
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join('', '<p>' , &make_section_heading($idx_module_title, "h2"),
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$idx_module_mark, $_);
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}
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# The bibliography and the index should be treated as separate sections
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# in their own HTML files. The \bibliography{} command acts as a sectioning command
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# that has the desired effect. But when the bibliography is constructed
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# manually using the thebibliography environment, or when using the
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# theindex environment it is not possible to use the normal sectioning
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# mechanism. This subroutine inserts a \bibliography{} or a dummy
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# \textohtmlindex command just before the appropriate environments
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# to force sectioning.
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# XXX This *assumes* that if there are two {theindex} environments, the
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# first is the module index and the second is the standard index. This
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# is sufficient for the current Python documentation, but that's about
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# it.
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sub add_bbl_and_idx_dummy_commands {
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local($id);
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s/([\\]begin\s*$O\d+$C\s*thebibliography)/$bbl_cnt++; $1/eg;
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#print STDERR "\nthebibliography: $bbl_cnt\n";
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#if ($bbl_cnt == 1) {
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s/([\\]begin\s*$O\d+$C\s*thebibliography)/do { $id = ++$global{'max_id'}; "\\bibliography$O$id$C$O$id$C $1"}/geo;
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#}
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local(@parts) = split(/\\begin\s*$O\d+$C\s*theindex/);
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if (scalar(@parts) == 3) {
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print "\n&add_bbl_and_idx_dummy_commands ==> adding module index";
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s/([\\]begin\s*$O\d+$C\s*theindex)/\\textohtmlmoduleindex $1/o;
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}
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s/([\\]begin\s*$O\d+$C\s*theindex)/\\textohtmlindex $1/o;
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s/[\\]printindex/\\textohtmlindex /o;
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&lib_add_bbl_and_idx_dummy_commands() if defined(&lib_add_bbl_and_idx_dummy_commands);
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}
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# The bibliographic references, the appendices, the lists of figures and tables
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# etc. must appear in the contents table at the same level as the outermost
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# sectioning command. This subroutine finds what is the outermost level and
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# sets the above to the same level;
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sub set_depth_levels {
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$section_headings['textohtmlmoduleindex'] = 'h1';
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# Sets $outermost_level
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local($level);
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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 {$outermost_level = 'section'; 3;});
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$MAX_SPLIT_DEPTH = $MAX_SPLIT_DEPTH + $level;
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%section_commands = ('tableofcontents', $level, 'listoffigures', $level,
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'listoftables', $level, 'bibliography', $level,
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'textohtmlindex', $level,
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'textohtmlmoduleindex', $level,
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%section_commands);
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}
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1; # This must be the last line
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