ref: f6509078ed9d03b71c945b19cdda5c882cb1e78d
dir: /sys/src/cmd/python/Doc/perl/l2hinit.perl/
# LaTeX2HTML support base for use with Python documentation.
package main;
use L2hos;
$HTML_VERSION = 4.01;
$LOWER_CASE_TAGS = 1;
$NO_FRENCH_QUOTES = 1;
# '' in \code{...} is still converted, so we can't use this yet.
#$USE_CURLY_QUOTES = 1;
# Force Unicode support to be loaded; request UTF-8 output.
do_require_extension('unicode');
do_require_extension('utf8');
$HTML_OPTIONS = 'utf8';
$MAX_LINK_DEPTH = 2;
$ADDRESS = '';
$NO_FOOTNODE = 1;
$NUMBERED_FOOTNOTES = 1;
# Python documentation uses section numbers to support references to match
# in the printed and online versions.
#
$SHOW_SECTION_NUMBERS = 1;
$ICONSERVER = '.';
$IMAGE_TYPE = 'gif';
# Control where the navigation bars should show up:
$TOP_NAVIGATION = 1;
$BOTTOM_NAVIGATION = 1;
$AUTO_NAVIGATION = 0;
$BODYTEXT = '';
$CHILDLINE = "\n<p><br /></p><hr class='online-navigation' />\n";
$VERBOSITY = 0;
# default # of columns for the indexes
$INDEX_COLUMNS = 2;
$MODULE_INDEX_COLUMNS = 4;
$HAVE_MODULE_INDEX = 0;
$HAVE_GENERAL_INDEX = 0;
$HAVE_TABLE_OF_CONTENTS = 0;
$AESOP_META_TYPE = 'information';
# A little painful, but lets us clean up the top level directory a little,
# and not be tied to the current directory (as far as I can tell). Testing
# an existing definition of $mydir is needed since it cannot be computed when
# run under mkhowto with recent versions of LaTeX2HTML, since this file is
# not read directly by LaTeX2HTML any more. mkhowto is required to prepend
# the required definition at the top of the actual input file.
#
if (!defined $mydir) {
use Cwd;
use File::Basename;
($myname, $mydir, $myext) = fileparse(__FILE__, '\..*');
chop $mydir; # remove trailing '/'
$mydir = getcwd() . "$dd$mydir"
unless $mydir =~ s|^/|/|;
}
$LATEX2HTMLSTYLES = "$mydir$envkey$LATEX2HTMLSTYLES";
push (@INC, $mydir);
($myrootname, $myrootdir, $myext) = fileparse($mydir, '\..*');
chop $myrootdir;
# Hackish way to get the appropriate paper-*/ directory into $TEXINPUTS;
# pass in the paper size (a4 or letter) as the environment variable PAPER
# to add the right directory. If not given, the current directory is
# added instead for use with HOWTO processing.
#
if (defined $ENV{'PAPER'}) {
$mytexinputs = "$myrootdir${dd}paper-$ENV{'PAPER'}$envkey";
}
else {
$mytexinputs = getcwd() . $envkey;
}
$mytexinputs .= "$myrootdir${dd}texinputs";
# Change this variable to change the text added in "About this document...";
# this should be an absolute pathname to get it right.
#
$ABOUT_FILE = "$myrootdir${dd}html${dd}stdabout.dat";
sub custom_driver_hook {
#
# This adds the directory of the main input file to $TEXINPUTS; it
# seems to be sufficiently general that it should be fine for HOWTO
# processing.
#
# XXX This still isn't quite right; we should actually be inserting
# $mytexinputs just before any empty entry in TEXINPUTS is one
# exists instead of just concatenating the pieces like we do here.
#
my $file = $_[0];
my($jobname, $dir, $ext) = fileparse($file, '\..*');
$dir = L2hos->Make_directory_absolute($dir);
$dir =~ s/$dd$//;
$TEXINPUTS = "$dir$envkey$mytexinputs";
# Push everything into $TEXINPUTS since LaTeX2HTML doesn't pick
# this up on its own; we clear $ENV{'TEXINPUTS'} so the value set
# for this by the main LaTeX2HTML script doesn't contain duplicate
# directories.
if ($ENV{'TEXINPUTS'}) {
$TEXINPUTS .= "$envkey$ENV{'TEXINPUTS'}";
$ENV{'TEXINPUTS'} = undef;
}
print "\nSetting \$TEXINPUTS to $TEXINPUTS\n";
# Not sure why we need to deal with this both here and at the top,
# but this is needed to actually make it work.
do_require_extension('utf8');
$charset = $utf8_str;
$CHARSET = $utf8_str;
$USE_UTF = 1;
}
# $CUSTOM_BUTTONS is only used for the module index link.
$CUSTOM_BUTTONS = '';
sub make_nav_sectref($$$) {
my($label, $linktype, $title) = @_;
if ($title) {
if ($title =~ /\<[aA] /) {
$title =~ s/\<[aA] /<a class="sectref" rel="$linktype" /;
$title =~ s/ HREF=/ href=/;
}
else {
$title = "<span class=\"sectref\">$title</span>";
}
return "<b class=\"navlabel\">$label:</b>\n$title\n";
}
return '';
}
@my_icon_tags = ();
$my_icon_tags{'next'} = 'Next Page';
$my_icon_tags{'next_page'} = 'Next Page';
$my_icon_tags{'previous'} = 'Previous Page';
$my_icon_tags{'previous_page'} = 'Previous Page';
$my_icon_tags{'up'} = 'Up One Level';
$my_icon_tags{'contents'} = 'Contents';
$my_icon_tags{'index'} = 'Index';
$my_icon_tags{'modules'} = 'Module Index';
@my_icon_names = ();
$my_icon_names{'previous_page'} = 'previous';
$my_icon_names{'next_page'} = 'next';
sub get_my_icon($) {
my $name = $_[0];
my $text = $my_icon_tags{$name};
if ($my_icon_names{$name}) {
$name = $my_icon_names{$name};
}
if ($text eq '') {
$name = 'blank';
}
my $iconserver = ($ICONSERVER eq '.') ? '' : "$ICONSERVER/";
return "<img src='$iconserver$name.$IMAGE_TYPE'\n border='0'"
. " height='32' alt='$text' width='32' />";
}
sub unlinkify($) {
my $text = "$_[0]";
$text =~ s|</[aA]>||;
$text =~ s|<a\s+[^>]*>||i;
return $text;
}
sub use_icon($$$) {
my($rel,$str,$title) = @_;
if ($str) {
my $s = "$str";
if ($s =~ /\<tex2html_([a-z_]+)_visible_mark\>/) {
my $r = get_my_icon($1);
$s =~ s/\<tex2html_[a-z_]+_visible_mark\>/$r/;
}
$s =~ s/<[aA] /<a rel="$rel" title="$title"\n /;
$s =~ s/ HREF=/ href=/;
return $s;
}
else {
return get_my_icon('blank');
}
}
sub make_nav_panel() {
my $s;
# new iconic rel iconic page title
my $next = use_icon('next', $NEXT, unlinkify($NEXT_TITLE));
my $up = use_icon('parent', $UP, unlinkify($UP_TITLE));
my $previous = use_icon('prev', $PREVIOUS, unlinkify($PREVIOUS_TITLE));
my $contents = use_icon('contents', $CONTENTS, 'Table of Contents');
my $index = use_icon('index', $INDEX, 'Index');
if (!$CUSTOM_BUTTONS) {
$CUSTOM_BUTTONS = get_my_icon('blank');
}
$s = ('<table align="center" width="100%" cellpadding="0" cellspacing="2">'
. "\n<tr>"
# left-hand side
. "\n<td class='online-navigation'>$previous</td>"
. "\n<td class='online-navigation'>$up</td>"
. "\n<td class='online-navigation'>$next</td>"
# title box
. "\n<td align=\"center\" width=\"100%\">$t_title</td>"
# right-hand side
. "\n<td class='online-navigation'>$contents</td>"
# module index
. "\n<td class='online-navigation'>$CUSTOM_BUTTONS</td>"
. "\n<td class='online-navigation'>$index</td>"
. "\n</tr></table>\n"
# textual navigation
. "<div class='online-navigation'>\n"
. make_nav_sectref("Previous", "prev", $PREVIOUS_TITLE)
. make_nav_sectref("Up", "parent", $UP_TITLE)
. make_nav_sectref("Next", "next", $NEXT_TITLE)
. "</div>\n"
);
# remove these; they are unnecessary and cause errors from validation
$s =~ s/ NAME="tex2html\d+"\n */ /g;
return $s;
}
sub add_child_links {
my $toc = add_real_child_links(@_);
$toc =~ s|\s*</[aA]>|</a>|g;
$toc =~ s/ NAME=\"tex2html\d+\"\s*href=/ href=/gi;
$toc =~ s|</UL>(\s*<BR( /)?>)?|</ul>|gi;
if ($toc =~ / NAME=["']CHILD_LINKS["']/) {
return "<div class='online-navigation'>\n$toc</div>\n";
}
return $toc;
}
sub get_version_text() {
if ($PACKAGE_VERSION ne '' && $t_date) {
return ("<span class=\"release-info\">"
. "Release $PACKAGE_VERSION$RELEASE_INFO,"
. " documentation updated on $t_date.</span>");
}
if ($PACKAGE_VERSION ne '') {
return ("<span class=\"release-info\">"
. "Release $PACKAGE_VERSION$RELEASE_INFO.</span>");
}
if ($t_date) {
return ("<span class=\"release-info\">Documentation released on "
. "$t_date.</span>");
}
return '';
}
sub top_navigation_panel() {
return "\n<div id='top-navigation-panel' xml:id='top-navigation-panel'>\n"
. make_nav_panel()
. "<hr /></div>\n";
}
sub bot_navigation_panel() {
return "\n<div class='online-navigation'>\n"
. "<p></p><hr />\n"
. make_nav_panel()
. "</div>\n"
. "<hr />\n"
. get_version_text()
. "\n";
}
sub add_link {
# Returns a pair (iconic link, textual link)
my($icon, $current_file, @link) = @_;
my($dummy, $file, $title) = split($delim,
$section_info{join(' ',@link)});
if ($icon =~ /\<tex2html_([_a-z]+)_visible_mark\>/) {
my $r = get_my_icon($1);
$icon =~ s/\<tex2html_[_a-z]+_visible_mark\>/$r/;
}
if ($title && ($file ne $current_file)) {
$title = purify($title);
$title = get_first_words($title, $WORDS_IN_NAVIGATION_PANEL_TITLES);
return (make_href($file, $icon), make_href($file, "$title"))
}
elsif ($icon eq get_my_icon('up') && $EXTERNAL_UP_LINK) {
return (make_href($EXTERNAL_UP_LINK, $icon),
make_href($EXTERNAL_UP_LINK, "$EXTERNAL_UP_TITLE"))
}
elsif ($icon eq get_my_icon('previous')
&& $EXTERNAL_PREV_LINK && $EXTERNAL_PREV_TITLE) {
return (make_href($EXTERNAL_PREV_LINK, $icon),
make_href($EXTERNAL_PREV_LINK, "$EXTERNAL_PREV_TITLE"))
}
elsif ($icon eq get_my_icon('next')
&& $EXTERNAL_DOWN_LINK && $EXTERNAL_DOWN_TITLE) {
return (make_href($EXTERNAL_DOWN_LINK, $icon),
make_href($EXTERNAL_DOWN_LINK, "$EXTERNAL_DOWN_TITLE"))
}
return (&inactive_img($icon), "");
}
sub add_special_link($$$) {
my($icon, $file, $current_file) = @_;
if ($icon =~ /\<tex2html_([_a-z]+)_visible_mark\>/) {
my $r = get_my_icon($1);
$icon =~ s/\<tex2html_[_a-z]+_visible_mark\>/$r/;
}
return (($file && ($file ne $current_file))
? make_href($file, $icon)
: undef)
}
# The img_tag() function seems only to be called with the parameter
# 'anchor_invisible_mark', which we want to turn into ''. Since
# replace_icon_marks() is the only interesting caller, and all it really
# does is call img_tag(), we can just define the hook alternative to be
# a no-op instead.
#
sub replace_icons_hook {}
sub do_cmd_arabic {
# get rid of that nasty <SPAN CLASS="arabic">...</SPAN>
my($ctr, $val, $id, $text) = &read_counter_value($_[0]);
return ($val ? farabic($val) : "0") . $text;
}
sub gen_index_id($$) {
# this is used to ensure common index key generation and a stable sort
my($str, $extra) = @_;
sprintf('%s###%s%010d', $str, $extra, ++$global{'max_id'});
}
sub insert_index($$$$$) {
my($mark, $datafile, $columns, $letters, $prefix) = @_;
my $prog = "$myrootdir/tools/buildindex.py";
my $index;
if ($letters) {
$index = `$prog --columns $columns --letters $datafile`;
}
else {
$index = `$prog --columns $columns $datafile`;
}
if (!s/$mark/$prefix$index/) {
print "\nCould not locate index mark: $mark";
}
}
sub add_idx() {
print "\nBuilding HTML for the index ...";
close(IDXFILE);
insert_index($idx_mark, 'index.dat', $INDEX_COLUMNS, 1, '');
}
$idx_module_mark = '<tex2html_idx_module_mark>';
$idx_module_title = 'Module Index';
sub add_module_idx() {
print "\nBuilding HTML for the module index ...";
my $key;
my $first = 1;
my $prevplat = '';
my $allthesame = 1;
my $prefix = '';
foreach $key (keys %Modules) {
$key =~ s/<tt>([a-zA-Z0-9._]*)<\/tt>/$1/;
my $plat = "$ModulePlatforms{$key}";
$plat = ''
if ($plat eq $IGNORE_PLATFORM_ANNOTATION);
if (!$first) {
$allthesame = 0
if ($prevplat ne $plat);
}
else { $first = 0; }
$prevplat = $plat;
}
open(MODIDXFILE, '>modindex.dat') || die "\n$!\n";
foreach $key (keys %Modules) {
# dump the line in the data file; just use a dummy seqno field
my $nkey = $1;
my $moditem = "$Modules{$key}";
my $plat = '';
$key =~ s/<tt>([a-zA-Z0-9._]*)<\/tt>/$1/;
if ($ModulePlatforms{$key} && !$allthesame) {
$plat = (" <em>(<span class=\"platform\">$ModulePlatforms{$key}"
. '</span>)</em>');
}
print MODIDXFILE $moditem . $IDXFILE_FIELD_SEP
. "<tt class=\"module\">$key</tt>$plat###\n";
}
close(MODIDXFILE);
if ($GLOBAL_MODULE_INDEX) {
$prefix = <<MODULE_INDEX_PREFIX;
<p> This index only lists modules documented in this manual.
The <em class="citetitle"><a href="$GLOBAL_MODULE_INDEX">Global Module
Index</a></em> lists all modules that are documented in this set
of manuals.</p>
MODULE_INDEX_PREFIX
}
if (!$allthesame) {
$prefix .= <<PLAT_DISCUSS;
<p> Some module names are followed by an annotation indicating what
platform they are available on.</p>
PLAT_DISCUSS
}
insert_index($idx_module_mark, 'modindex.dat', $MODULE_INDEX_COLUMNS, 0,
$prefix);
}
# replace both indexes as needed:
sub add_idx_hook {
add_idx() if (/$idx_mark/);
process_python_state();
if ($MODULE_INDEX_FILE) {
local ($_);
open(MYFILE, "<$MODULE_INDEX_FILE");
sysread(MYFILE, $_, 1024*1024);
close(MYFILE);
add_module_idx();
open(MYFILE,">$MODULE_INDEX_FILE");
print MYFILE $_;
close(MYFILE);
}
}
# In addition to the standard stuff, add label to allow named node files and
# support suppression of the page complete (for HTML Help use).
$MY_CONTENTS_PAGE = '';
sub do_cmd_tableofcontents {
local($_) = @_;
$TITLE = $toc_title;
$tocfile = $CURRENT_FILE;
my($closures, $reopens) = preserve_open_tags();
anchor_label('contents', $CURRENT_FILE, $_); # this is added
$MY_CONTENTS_PAGE = "$CURRENT_FILE";
join('', "\\tableofchildlinks[off]", $closures
, make_section_heading($toc_title, 'h2'), $toc_mark
, $reopens, $_);
}
# In addition to the standard stuff, add label to allow named node files.
sub do_cmd_listoffigures {
local($_) = @_;
$TITLE = $lof_title;
$loffile = $CURRENT_FILE;
my($closures, $reopens) = preserve_open_tags();
anchor_label('lof', $CURRENT_FILE, $_); # this is added
join('', "<br />\n", $closures
, make_section_heading($lof_title, 'h2'), $lof_mark
, $reopens, $_);
}
# In addition to the standard stuff, add label to allow named node files.
sub do_cmd_listoftables {
local($_) = @_;
$TITLE = $lot_title;
$lotfile = $CURRENT_FILE;
my($closures, $reopens) = preserve_open_tags();
anchor_label('lot', $CURRENT_FILE, $_); # this is added
join('', "<br />\n", $closures
, make_section_heading($lot_title, 'h2'), $lot_mark
, $reopens, $_);
}
# In addition to the standard stuff, add label to allow named node files.
sub do_cmd_textohtmlinfopage {
local($_) = @_;
if ($INFO) { #
anchor_label("about",$CURRENT_FILE,$_); # this is added
} #
my $the_version = ''; # and the rest is
if ($t_date) { # mostly ours
$the_version = ",\n$t_date";
if ($PACKAGE_VERSION) {
$the_version .= ", Release $PACKAGE_VERSION$RELEASE_INFO";
}
}
my $about;
open(ABOUT, "<$ABOUT_FILE") || die "\n$!\n";
sysread(ABOUT, $about, 1024*1024);
close(ABOUT);
$_ = (($INFO == 1)
? join('',
$close_all,
"<strong>$t_title</strong>$the_version\n",
$about,
$open_all, $_)
: join('', $close_all, $INFO,"\n", $open_all, $_));
$_;
}
$GENERAL_INDEX_FILE = '';
$MODULE_INDEX_FILE = '';
# $idx_mark will be replaced with the real index at the end
sub do_cmd_textohtmlindex {
local($_) = @_;
$TITLE = $idx_title;
$idxfile = $CURRENT_FILE;
$GENERAL_INDEX_FILE = "$CURRENT_FILE";
if (%index_labels) { make_index_labels(); }
if (($SHORT_INDEX) && (%index_segment)) { make_preindex(); }
else { $preindex = ''; }
my $heading = make_section_heading($idx_title, 'h2') . $idx_mark;
my($pre, $post) = minimize_open_tags($heading);
anchor_label('genindex',$CURRENT_FILE,$_); # this is added
return "<br />\n" . $pre . $_;
}
# $idx_module_mark will be replaced with the real index at the end
sub do_cmd_textohtmlmoduleindex {
local($_) = @_;
$TITLE = $idx_module_title;
anchor_label('modindex', $CURRENT_FILE, $_);
$MODULE_INDEX_FILE = "$CURRENT_FILE";
$_ = ('<p></p>' . make_section_heading($idx_module_title, 'h2')
. $idx_module_mark . $_);
return $_;
}
# The bibliography and the index should be treated as separate
# sections in their own HTML files. The \bibliography{} command acts
# as a sectioning command that has the desired effect. But when the
# bibliography is constructed manually using the thebibliography
# environment, or when using the theindex environment it is not
# possible to use the normal sectioning mechanism. This subroutine
# inserts a \bibliography{} or a dummy \textohtmlindex command just
# before the appropriate environments to force sectioning.
# XXX This *assumes* that if there are two {theindex} environments,
# the first is the module index and the second is the standard
# index. This is sufficient for the current Python documentation,
# but that's about it.
sub add_bbl_and_idx_dummy_commands {
my $id = $global{'max_id'};
if (/[\\]tableofcontents/) {
$HAVE_TABLE_OF_CONTENTS = 1;
}
s/([\\]begin\s*$O\d+$C\s*thebibliography)/$bbl_cnt++; $1/eg;
s/([\\]begin\s*$O\d+$C\s*thebibliography)/$id++; "\\bibliography$O$id$C$O$id$C $1"/geo;
my(@parts) = split(/\\begin\s*$O\d+$C\s*theindex/);
if (scalar(@parts) == 3) {
# Be careful to re-write the string in place, since $_ is *not*
# returned explicity; *** nasty side-effect dependency! ***
print "\nadd_bbl_and_idx_dummy_commands ==> adding general index";
print "\nadd_bbl_and_idx_dummy_commands ==> adding module index";
my $rx = "([\\\\]begin\\s*$O\\d+$C\\s*theindex[\\s\\S]*)"
. "([\\\\]begin\\s*$O\\d+$C\\s*theindex)";
s/$rx/\\textohtmlmoduleindex $1 \\textohtmlindex $2/o;
# Add a button to the navigation areas:
$CUSTOM_BUTTONS .= ('<a href="modindex.html" title="Module Index">'
. get_my_icon('modules')
. '</a>');
$HAVE_MODULE_INDEX = 1;
$HAVE_GENERAL_INDEX = 1;
}
elsif (scalar(@parts) == 2) {
print "\nadd_bbl_and_idx_dummy_commands ==> adding general index";
my $rx = "([\\\\]begin\\s*$O\\d+$C\\s*theindex)";
s/$rx/\\textohtmlindex $1/o;
$HAVE_GENERAL_INDEX = 1;
}
elsif (scalar(@parts) == 1) {
print "\nadd_bbl_and_idx_dummy_commands ==> no index found";
$CUSTOM_BUTTONS .= get_my_icon('blank');
$global{'max_id'} = $id; # not sure why....
s/([\\]begin\s*$O\d+$C\s*theindex)/\\textohtmlindex $1/o;
s/[\\]printindex/\\textohtmlindex /o;
}
else {
die "\n\nBad number of index environments!\n\n";
}
#----------------------------------------------------------------------
lib_add_bbl_and_idx_dummy_commands()
if defined(&lib_add_bbl_and_idx_dummy_commands);
}
# The bibliographic references, the appendices, the lists of figures
# and tables etc. must appear in the contents table at the same level
# as the outermost sectioning command. This subroutine finds what is
# the outermost level and sets the above to the same level;
sub set_depth_levels {
# Sets $outermost_level
my $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_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' => '<div class="verbatim"><pre></pre></div>',
%declarations);
# This is a modified version of what's provided by LaTeX2HTML; see the
# comment on the middle stanza for an explanation of why we keep our
# own version.
#
# This routine must be called once on the text only,
# else it will "eat up" sensitive constructs.
sub text_cleanup {
# MRO: replaced $* with /m
s/(\s*\n){3,}/\n\n/gom; # Replace consecutive blank lines with one
s/<(\/?)P>\s*(\w)/<$1P>\n$2/gom; # clean up paragraph starts and ends
s/$O\d+$C//go; # Get rid of bracket id's
s/$OP\d+$CP//go; # Get rid of processed bracket id's
s/(<!)?--?(>)?/(length($1) || length($2)) ? "$1--$2" : "-"/ge;
# Spacing commands
s/\\( |$)/ /go;
#JKR: There should be no more comments in the source now.
#s/([^\\]?)%/$1/go; # Remove the comment character
# Cannot treat \, as a command because , is a delimiter ...
s/\\,/ /go;
# Replace tilde's with non-breaking spaces
s/ *~/ /g;
# This is why we have this copy of this routine; the following
# isn't so desirable as the author/maintainers of LaTeX2HTML seem
# to think. It's not commented out in the main script, so we have
# to override the whole thing. In particular, we don't want empty
# table cells to disappear.
### DANGEROUS ?? ###
# remove redundant (not <P></P>) empty tags, incl. with attributes
#s/\n?<([^PD >][^>]*)>\s*<\/\1>//g;
#s/\n?<([^PD >][^>]*)>\s*<\/\1>//g;
# remove redundant empty tags (not </P><P> or <TD> or <TH>)
#s/<\/(TT|[^PTH][A-Z]+)><\1>//g;
#s/<([^PD ]+)(\s[^>]*)?>\n*<\/\1>//g;
#JCL(jcl-hex)
# Replace ^^ special chars (according to p.47 of the TeX book)
# Useful when coming from the .aux file (german umlauts, etc.)
s/\^\^([^0-9a-f])/chr((64+ord($1))&127)/ge;
s/\^\^([0-9a-f][0-9a-f])/chr(hex($1))/ge;
}
# This is used to map the link rel attributes LaTeX2HTML uses to those
# currently recommended by the W3C.
sub custom_REL_hook {
my($rel,$junk) = @_;
return 'parent' if $rel eq 'up';
return 'prev' if $rel eq 'previous';
return $rel;
}
# 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.
$MY_PARTIAL_HEADER = '';
sub make_head_and_body($$) {
my($title, $body) = @_;
$body = " $body" unless ($body eq '');
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 : $isolanguage) . "\">\n";
}
if ($MY_PARTIAL_HEADER eq '') {
my $favicon = '';
if ($FAVORITES_ICON) {
my($myname, $mydir, $myext) = fileparse($FAVORITES_ICON, '\..*');
my $favtype = '';
if ($myext eq '.gif' || $myext eq '.png') {
$myext =~ s/^[.]//;
$favtype = " type=\"image/$myext\"";
}
$favicon = (
"\n<link rel=\"SHORTCUT ICON\" href=\"$FAVORITES_ICON\""
. "$favtype />");
}
$STYLESHEET = $FILE.".css" unless $STYLESHEET;
$MY_PARTIAL_HEADER = join('',
($DOCTYPE ? $DTDcomment : ''),
"<html>\n<head>",
($BASE ? "\n<base href=\"$BASE\" />" : ''),
"\n<link rel=\"STYLESHEET\" href=\"$STYLESHEET\" type='text/css'",
" />",
$favicon,
($EXTERNAL_UP_LINK
? ("\n<link rel='start' href='" . $EXTERNAL_UP_LINK
. ($EXTERNAL_UP_TITLE ?
"' title='$EXTERNAL_UP_TITLE' />" : "' />"))
: ''),
"\n<link rel=\"first\" href=\"$FILE.html\"",
($t_title ? " title='$t_title'" : ''),
' />',
($HAVE_TABLE_OF_CONTENTS
? ("\n<link rel='contents' href='$MY_CONTENTS_PAGE'"
. ' title="Contents" />')
: ''),
($HAVE_GENERAL_INDEX
? ("\n<link rel='index' href='$GENERAL_INDEX_FILE'"
. " title='Index' />")
: ''),
# disable for now -- Mozilla doesn't do well with multiple indexes
# ($HAVE_MODULE_INDEX
# ? ("<link rel="index" href='$MODULE_INDEX_FILE'"
# . " title='Module Index' />\n")
# : ''),
($INFO
# XXX We can do this with the Python tools since the About...
# page always gets copied to about.html, even when we use the
# generated node###.html page names. Won't work with the
# rest of the Python doc tools.
? ("\n<link rel='last' href='about.html'"
. " title='About this document...' />"
. "\n<link rel='help' href='about.html'"
. " title='About this document...' />")
: ''),
$more_links_mark,
"\n",
($CHARSET && $HTML_VERSION ge "2.1"
? ('<meta http-equiv="Content-Type" content="text/html; '
. "charset=$CHARSET\" />\n")
: ''),
($AESOP_META_TYPE
? "<meta name='aesop' content='$AESOP_META_TYPE' />\n" : ''));
}
if (!$charset && $CHARSET) {
$charset = $CHARSET;
$charset =~ s/_/\-/go;
}
join('',
$MY_PARTIAL_HEADER,
"<title>", $title, "</title>\n</head>\n<body$body>");
}
sub replace_morelinks {
$more_links =~ s/ REL=/ rel=/g;
$more_links =~ s/ HREF=/ href=/g;
$more_links =~ s/<LINK /<link /g;
$more_links =~ s/">/" \/>/g;
$_ =~ s/$more_links_mark/$more_links/e;
}
1; # This must be the last line