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Commit 13210ed5 authored by Fred Drake's avatar Fred Drake
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Get the index working at least partway again. 

Some small cleanups.
parent bd2796e9
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Doc/perl/l2hinit.perl
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#LaTeX2HTML Version 96.1 : dot.latex2html-init -*- perl -*-
#
# Significantly revised by Fred L. Drake, Jr. <fdrake@acm.org> for use
# with the Python documentation.
#
# New name to avoid distributing "dot" files with the Python documentation.
#
$INFO = 1; # 0 = do not make a "About this document..." section
$MAX_LINK_DEPTH = 3;
......@@ -47,187 +52,115 @@ $mydir = getcwd() . "$dd$mydir"
$LATEX2HTMLSTYLES = "$mydir$envkey$LATEX2HTMLSTYLES";
sub top_navigation_panel {
# Now add a few buttons with a space between them
"<div class=navigation>\n" .
"$NEXT\n$UP\n$PREVIOUS\n$CONTENTS\n$INDEX $CUSTOM_BUTTONS" .
"<br>\n" . # Line break
# If ``next'' section exists, add its title to the navigation panel
($NEXT_TITLE ? "<b> Next:</b> $NEXT_TITLE\n" : undef) .
# Similarly with the ``up'' title ...
($UP_TITLE ? "<b>Up:</b> $UP_TITLE\n" : undef) .
# ... and the ``previous'' title
($PREVIOUS_TITLE ? "<b> Previous:</b> $PREVIOUS_TITLE\n" : undef) .
sub make_nav_panel{
($NEXT_TITLE ? "$NEXT\n" : '')
. ($UP_TITLE ? "$UP\n" : '')
. ($PREVIOUS_TITLE ? "$PREVIOUS\n" : '')
. "$CONTENTS\n$INDEX"
# . " $CUSTOM_BUTTONS"
. "<br>\n"
. ($NEXT_TITLE ? "<b> Next:</b> $NEXT_TITLE\n" : '')
. ($UP_TITLE ? "<b>Up:</b> $UP_TITLE\n" : '')
. ($PREVIOUS_TITLE ? "<b>Previous:</b> $PREVIOUS_TITLE\n" : '');
}
# Line Break, horizontal rule (3-d dividing line) and new paragraph
"<br><hr><p></div>"
sub top_navigation_panel {
"<div class=navigation>\n"
. &make_nav_panel
. "<br><hr><p></div>"
}
sub bot_navigation_panel {
# Start with a horizontal rule (3-d dividing line)
"<div class=navigation><hr>".
# Now add a few buttons with a space between them
"$NEXT\n$UP\n$PREVIOUS\n$CONTENTS\n$INDEX $CUSTOM_BUTTONS" .
"<br>\n" . # Line break
# If ``next'' section exists, add its title to the navigation panel
($NEXT_TITLE ? "<b> Next:</b> $NEXT_TITLE\n" : undef) .
# Similarly with the ``up'' title ...
($UP_TITLE ? "<b>Up:</b> $UP_TITLE\n" : undef) .
# ... and the ``previous'' title
($PREVIOUS_TITLE ? "<b> Previous:</b> $PREVIOUS_TITLE\n" : undef) .
"</div>"
"<div class=navigation><hr>"
. &make_nav_panel
. "</div>"
}
# sub make_section_heading {
# local($text, $level, $anchors) = @_;
# local($section_tag) = join('', @curr_sec_id);
# local($align,$pre_anchors);
# # separate any invisible anchors or alignment, if this has not already been done
# if (!($anchors)){ ($anchors,$text) = &extract_anchors($text) }
# else {
# $anchors =~ s/(ALIGN=\"\w*\")/$align = " $1";''/e;
# $anchors = &translate_commands($anchors) if ($anchors =~ /\\/);
# }
# if (!($text)) {
# # anchor to a single `.' only
# $text = "<a name=SECTION$section_tag>.</a>$anchors\n";
# } elsif ($anchors) {
# # keep it short and simple!
# $text = "<a name=SECTION$section_tag>$text</a>";
# } elsif (!($text =~ /<A[^\w]/io)) {
# # no embedded anchors, so anchor it all
# $text = "<a name=SECTION$section_tag>\n" . $text . "</a>";
# } else {
# # there are embedded anchors; these cannot be nested
# local ($tmp) = $text;
# $tmp =~ s/<//o ; # find 1st <
# if ($`) { # anchor text before the first <
# # $text = "<A NAME=\"SECTION$section_tag\">\n" . $` . "</A>\n<" . $';
# $text = "<a name=SECTION$section_tag>\n" . $` . "</a>";
# $pre_anchors = "<" . $';
# if ($pre_anchors =~ /^(<A NAME=\"[^\"]+>${anchor_invisible_mark}<\/A>\s*)+$/) {
# $pre_anchors .= "\n"
# } else { $text .= $pre_anchors; $pre_anchors = '' }
# } else {
# # $text starts with a tag
# local($after,$tmp) = ($','');
# if ( $after =~ /^A[^\w]/i ) {
# # it is an anchor already, so need a separate line
# $text = "<a name=SECTION$section_tag>$anchor_invisible_mark</a><br>\n$text";
# } else {
# # Is it a tag enclosing the anchor ?
# $after =~ s/^(\w)*[\s|>]/$tmp = $1;''/eo;
# if ($after =~ /<A.*<\/$tmp>/) {
# # it encloses an anchor, so use anchor_mark + break
# $text = "<a name=SECTION$section_tag>$anchor_invisible_mark</a><br>\n$text";
# } else {
# # take up to the anchor
# $text =~ s/^(.*)<A([^\w])/"<a name=SECTION$section_tag>$1<A$2"/oe;
# }
# }
# }
# }
# "$pre_anchors\n<$level$align>$text\n<\/$level>";
# }
sub gen_index_id {
# this is used to ensure common index key generation and a stable sort
local($str,$extra) = @_;
sprintf("%s###%s%010d", $str, $extra, ++$global{'max_id'});
}
# sub make_index_entry {
# local($br_id,$str) = @_;
# # If TITLE is not yet available (i.e the \index command is in the title of the
# # current section), use $ref_before.
# $TITLE = $ref_before unless $TITLE;
# # Save the reference
# $str = gen_index_id($str, '');
# $index{$str} .= &make_half_href("$CURRENT_FILE#$br_id");
# "<a name=\"$br_id\">$anchor_invisible_mark<\/a>";
# }
sub make_index_entry {
local($br_id,$str) = @_;
# If TITLE is not yet available (i.e the \index command is in the title of the
# current section), use $ref_before.
$TITLE = $ref_before unless $TITLE;
# Save the reference
$str = gen_index_id($str, '');
$index{$str} .= &make_half_href("$CURRENT_FILE#$br_id");
"<a name=\"$br_id\">$anchor_invisible_mark<\/a>";
}
# sub add_idx {
# print "\nDoing the index ...";
# local($key, $str, @keys, $index, $level, $count, @previous, @current);
# @keys = keys %index;
# @keys = sort keysort @keys;
# $level = 0;
# foreach $key (@keys) {
# @current = split(/!/, $key);
# $count = 0;
# while ($current[$count] eq $previous[$count]) {
# $count++;
# }
# while ($count > $level) {
# $index .= "<dl compact>\n";
# $level++;
# }
# while ($count < $level) {
# $index .= "</dl>\n";
# $level--;
# }
# foreach $term (@current[$count .. $#current-1]) {
# # need to "step in" a little
# $index .= "<dt>" . $term . "\n<dl compact>\n";
# $level++;
# }
# $str = $current[$#current];
# $str =~ s/\#\#\#\d+$//o; # Remove the unique id's
# $str =~ s/\#\#\#[DR]EF\d+$//o; # Remove the unique id's
# if (&index_key_eq(join('',@current), join('',@previous))) {
# $index .= ",\n$index{$key}" . $cross_ref_visible_mark . "</a>"; }
# else {
# $index .= "\n<dt>$index{$key}" . $str . "</a>"; }
# @previous = @current;
# }
# while ($count < $level) {
# $index .= "</dl>\n";
# $level--;
# }
# s/$idx_mark/<dl compact>$index<\/dl>/o;
# }
sub add_idx {
print "\nDoing the index ...";
local($key, $str, @keys, $index, $level, $count, @previous, @current);
@keys = keys %index;
@keys = sort keysort @keys;
$level = 0;
foreach $key (@keys) {
@current = split(/!/, $key);
$count = 0;
while ($current[$count] eq $previous[$count]) {
$count++;
}
while ($count > $level) {
$index .= "<dl compact>\n";
$level++;
}
while ($count < $level) {
$index .= "</dl>\n";
$level--;
}
foreach $term (@current[$count .. $#current-1]) {
# need to "step in" a little
$index .= "<dt>" . $term . "\n<dl compact>\n";
$level++;
}
$str = $current[$#current];
$str =~ s/\#\#\#\d+$//o; # Remove the unique id's
$str =~ s/\#\#\#[DR]EF\d+$//o; # Remove the unique id's
if (&index_key_eq(join('',@current), join('',@previous))) {
$index .= ",\n$index{$key}" . $cross_ref_visible_mark . "</a>"; }
else {
$index .= "\n<dt>$index{$key}" . $str . "</a>"; }
@previous = @current;
}
while ($count < $level) {
$index .= "</dl>\n";
$level--;
}
s/$idx_mark/<dl compact>$index<\/dl>/o;
}
# sub index_key_eq {
# local($a,$b) = @_;
# $a = &clean_key($a);
# $a =~ s/\#\#\#\d+$//o; # Remove the unique id's
# $a =~ s/\#\#\#[dr]ef\d+$//o; # Remove the unique id's
# $b = &clean_key($b);
# $b =~ s/\#\#\#\d+$//o; # Remove the unique id's
# $b =~ s/\#\#\#[dr]ef\d+$//o; # Remove the unique id's
# $a eq $b;
# }
sub index_key_eq{
local($a,$b) = @_;
$a = &clean_key($a);
$a =~ s/\#\#\#\d+$//o; # Remove the unique id's
$a =~ s/\#\#\#[dr]ef\d+$//o; # Remove the unique id's
$b = &clean_key($b);
$b =~ s/\#\#\#\d+$//o; # Remove the unique id's
$b =~ s/\#\#\#[dr]ef\d+$//o; # Remove the unique id's
$a eq $b;
}
# need to remove leading <...>
# sub clean_key {
# local ($_) = @_;
# tr/A-Z/a-z/;
# s/\s//;
# s/^<[a-z][-._a-z0-9]*>//; # Remove leading <gi>
# $_;
# }
sub clean_key{
local ($_) = @_;
tr/A-Z/a-z/;
s/\s//;
s/^<[a-z][-._a-z0-9]*>//; # Remove leading <gi> (no attributes)
$_;
}
$idx_module_mark = '<tex2html_idx_module_mark>';
$idx_module_title = 'Module Index';
sub add_module_idx {
sub add_module_idx{
print "\nDoing the module index ...";
local($key, @keys, $index);
$index = "<p>";
......@@ -261,7 +194,7 @@ sub do_cmd_tableofcontents {
$TITLE = $toc_title;
$tocfile = $CURRENT_FILE;
local($closures,$reopens) = &preserve_open_tags();
&anchor_label("contents",$CURRENT_FILE,$_); # this is added
&anchor_label("contents",$CURRENT_FILE,$_); # this is added
join('', "<BR>\n", $closures
, &make_section_heading($toc_title, "H2"), $toc_mark
, $reopens, $_);
......@@ -272,7 +205,7 @@ sub do_cmd_listoffigures {
$TITLE = $lof_title;
$loffile = $CURRENT_FILE;
local($closures,$reopens) = &preserve_open_tags();
&anchor_label("lof",$CURRENT_FILE,$_); # this is added
&anchor_label("lof",$CURRENT_FILE,$_); # this is added
join('', "<BR>\n", $closures
, &make_section_heading($lof_title, "H2"), $lof_mark
, $reopens, $_);
......@@ -283,7 +216,7 @@ sub do_cmd_listoftables {
$TITLE = $lot_title;
$lotfile = $CURRENT_FILE;
local($closures,$reopens) = &preserve_open_tags();
&anchor_label("lot",$CURRENT_FILE,$_); # this is added
&anchor_label("lot",$CURRENT_FILE,$_); # this is added
join('', "<BR>\n", $closures
, &make_section_heading($lot_title, "H2"), $lot_mark
, $reopens, $_);
......@@ -320,7 +253,7 @@ sub do_cmd_textohtmlindex {
local($heading) = join('',&make_section_heading($idx_title, "H2"),
$idx_mark);
local($pre,$post) = &minimize_open_tags($heading);
&anchor_label("genindex",$CURRENT_FILE,$_); # this is added
&anchor_label("genindex",$CURRENT_FILE,$_); # this is added
join('',"<BR>\n" , $pre, $_);
}
......@@ -377,38 +310,38 @@ sub add_bbl_and_idx_dummy_commands {
# sectioning command. This subroutine finds what is the outermost level and
# sets the above to the same level;
%section_commands = ('textohtmlmoduleindex', 2, %section_commands);
#%section_commands = ('textohtmlmoduleindex', 1, %section_commands);
# sub set_depth_levels {
# # Sets $outermost_level
# local($level);
# #RRM: do not alter user-set value for $MAX_SPLIT_DEPTH
# foreach $level ("part", "chapter", "section", "subsection",
# "subsubsection", "paragraph") {
# last if (($outermost_level) = /\\($level)$delimiter_rx/);
# }
# $level = ($outermost_level ? $section_commands{$outermost_level} :
# do {$outermost_level = 'section'; 3;});
# #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_commands = (
# %unnumbered_section_commands
# , %section_commands
# );
# }
sub set_depth_levels {
# Sets $outermost_level
local($level);
#RRM: do not alter user-set value for $MAX_SPLIT_DEPTH
foreach $level ("part", "chapter", "section", "subsection",
"subsubsection", "paragraph") {
last if (($outermost_level) = /\\($level)$delimiter_rx/);
}
$level = ($outermost_level ? $section_commands{$outermost_level} :
do {$outermost_level = 'section'; 3;});
#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_commands = (
%unnumbered_section_commands
, %section_commands
);
}
# Fix from Ross Moore for ']' in \item[...]; this can be removed once the next
......
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