ref: 34f5a8333090c5090e1d0b6ddbaf900d64340eea
dir: /sys/src/cmd/python/Doc/perl/python.perl/
# python.perl by Fred L. Drake, Jr. <[email protected]> -*- perl -*-
#
# Heavily based on Guido van Rossum's myformat.perl (now obsolete).
#
# Extension to LaTeX2HTML for documents using myformat.sty.
# Subroutines of the form do_cmd_<name> here define translations
# for LaTeX commands \<name> defined in the corresponding .sty file.
package main;
use warnings;
use File::Basename;
sub next_argument{
my $param;
$param = missing_braces()
unless ((s/$next_pair_pr_rx/$param=$2;''/eo)
||(s/$next_pair_rx/$param=$2;''/eo));
return $param;
}
sub next_optional_argument{
my($param, $rx) = ('', "^\\s*(\\[([^]]*)\\])?");
s/$rx/$param=$2;''/eo;
return $param;
}
sub make_icon_filename($){
my($myname, $mydir, $myext) = fileparse($_[0], '\..*');
chop $mydir;
if ($mydir eq '.') {
$mydir = $ICONSERVER;
}
$myext = ".$IMAGE_TYPE"
unless $myext;
return "$mydir$dd$myname$myext";
}
sub get_link_icon($){
my $url = $_[0];
if ($OFF_SITE_LINK_ICON && ($url =~ /^[-a-zA-Z0-9.]+:/)) {
# absolute URL; assume it points off-site
my $icon = make_icon_filename($OFF_SITE_LINK_ICON);
return (" <img src=\"$icon\"\n"
. ' border="0" class="offsitelink"'
. ($OFF_SITE_LINK_ICON_HEIGHT
? " height=\"$OFF_SITE_LINK_ICON_HEIGHT\""
: '')
. ($OFF_SITE_LINK_ICON_WIDTH
? " width=\"$OFF_SITE_LINK_ICON_WIDTH\""
: '')
. " alt=\"[off-site link]\"\n"
. " />");
}
return '';
}
# This is a fairly simple hack; it supports \let when it is used to create
# (or redefine) a macro to exactly be some other macro: \let\newname=\oldname.
# Many possible uses of \let aren't supported or aren't supported correctly.
#
sub do_cmd_let{
local($_) = @_;
my $matched = 0;
s/[\\]([a-zA-Z]+)\s*(=\s*)?[\\]([a-zA-Z]*)/$matched=1; ''/e;
if ($matched) {
my($new, $old) = ($1, $3);
eval "sub do_cmd_$new { do_cmd_$old" . '(@_); }';
print "\ndefining handler for \\$new using \\$old\n";
}
else {
s/[\\]([a-zA-Z]+)\s*(=\s*)?([^\\])/$matched=1; ''/es;
if ($matched) {
my($new, $char) = ($1, $3);
eval "sub do_cmd_$new { \"\\$char\" . \$_[0]; }";
print "\ndefining handler for \\$new to insert '$char'\n";
}
else {
write_warnings("Could not interpret \\let construct...");
}
}
return $_;
}
# the older version of LaTeX2HTML we use doesn't support this, but we use it:
sub do_cmd_textasciitilde{ '~' . $_[0]; }
sub do_cmd_textasciicircum{ '^' . $_[0]; }
sub do_cmd_textbar{ '|' . $_[0]; }
sub do_cmd_texteuro { '€' . $_[0]; }
sub do_cmd_textgreater{ '>' . $_[0]; }
sub do_cmd_textless{ '<' . $_[0]; }
sub do_cmd_textunderscore{ '_' . $_[0]; }
sub do_cmd_infinity{ '∞' . $_[0]; }
sub do_cmd_plusminus{ '±' . $_[0]; }
sub do_cmd_guilabel{
return use_wrappers($_[0]. '<span class="guilabel">', '</span>'); }
sub do_cmd_menuselection{
return use_wrappers($_[0], '<span class="guilabel">', '</span>'); }
sub do_cmd_sub{
return '</span> > <span class="guilabel">' . $_[0]; }
# words typeset in a special way (not in HTML though)
sub do_cmd_ABC{ 'ABC' . $_[0]; }
sub do_cmd_UNIX{ '<span class="Unix">Unix</span>' . $_[0]; }
sub do_cmd_LaTeX{ '<span class="LaTeX">LaTeX</span>' . $_[0]; }
sub do_cmd_TeX{ '<span class="TeX">TeX</span>' . $_[0]; }
sub do_cmd_ASCII{ 'ASCII' . $_[0]; }
sub do_cmd_POSIX{ 'POSIX' . $_[0]; }
sub do_cmd_C{ 'C' . $_[0]; }
sub do_cmd_Cpp{ 'C++' . $_[0]; }
sub do_cmd_EOF{ 'EOF' . $_[0]; }
sub do_cmd_NULL{ '<tt class="constant">NULL</tt>' . $_[0]; }
sub do_cmd_e{ '\' . $_[0]; }
$DEVELOPER_ADDRESS = '';
$SHORT_VERSION = '';
$RELEASE_INFO = '';
$PACKAGE_VERSION = '';
sub do_cmd_version{ $PACKAGE_VERSION . $_[0]; }
sub do_cmd_shortversion{ $SHORT_VERSION . $_[0]; }
sub do_cmd_release{
local($_) = @_;
$PACKAGE_VERSION = next_argument();
return $_;
}
sub do_cmd_setreleaseinfo{
local($_) = @_;
$RELEASE_INFO = next_argument();
return $_;
}
sub do_cmd_setshortversion{
local($_) = @_;
$SHORT_VERSION = next_argument();
return $_;
}
sub do_cmd_authoraddress{
local($_) = @_;
$DEVELOPER_ADDRESS = next_argument();
return $_;
}
sub do_cmd_hackscore{
local($_) = @_;
next_argument();
return '_' . $_;
}
# Helper used in many places that arbitrary code-like text appears:
sub codetext($){
my $text = "$_[0]";
# Make sure that "---" is not converted to "--" later when
# LaTeX2HTML tries converting em-dashes based on the conventional
# TeX font ligatures:
$text =~ s/--/-\-/go;
return $text;
}
sub use_wrappers($$$){
local($_,$before,$after) = @_;
my $stuff = next_argument();
return $before . $stuff . $after . $_;
}
sub use_code_wrappers($$$){
local($_,$before,$after) = @_;
my $stuff = codetext(next_argument());
return $before . $stuff . $after . $_;
}
$IN_DESC_HANDLER = 0;
sub do_cmd_optional{
if ($IN_DESC_HANDLER) {
return use_wrappers($_[0], "</var><big>\[</big><var>",
"</var><big>\]</big><var>");
}
else {
return use_wrappers($_[0], "<big>\[</big>", "<big>\]</big>");
}
}
# Logical formatting (some based on texinfo), needs to be converted to
# minimalist HTML. The "minimalist" is primarily to reduce the size of
# output files for users that read them over the network rather than
# from local repositories.
sub do_cmd_pytype{ return $_[0]; }
sub do_cmd_makevar{
return use_wrappers($_[0], '<span class="makevar">', '</span>'); }
sub do_cmd_code{
return use_code_wrappers($_[0], '<code>', '</code>'); }
sub do_cmd_module{
return use_wrappers($_[0], '<tt class="module">', '</tt>'); }
sub do_cmd_keyword{
return use_wrappers($_[0], '<tt class="keyword">', '</tt>'); }
sub do_cmd_exception{
return use_wrappers($_[0], '<tt class="exception">', '</tt>'); }
sub do_cmd_class{
return use_wrappers($_[0], '<tt class="class">', '</tt>'); }
sub do_cmd_function{
return use_wrappers($_[0], '<tt class="function">', '</tt>'); }
sub do_cmd_constant{
return use_wrappers($_[0], '<tt class="constant">', '</tt>'); }
sub do_cmd_member{
return use_wrappers($_[0], '<tt class="member">', '</tt>'); }
sub do_cmd_method{
return use_wrappers($_[0], '<tt class="method">', '</tt>'); }
sub do_cmd_cfunction{
return use_wrappers($_[0], '<tt class="cfunction">', '</tt>'); }
sub do_cmd_cdata{
return use_wrappers($_[0], '<tt class="cdata">', '</tt>'); }
sub do_cmd_ctype{
return use_wrappers($_[0], '<tt class="ctype">', '</tt>'); }
sub do_cmd_regexp{
return use_code_wrappers($_[0], '<tt class="regexp">', '</tt>'); }
sub do_cmd_character{
return use_code_wrappers($_[0], '"<tt class="character">', '</tt>"'); }
sub do_cmd_program{
return use_wrappers($_[0], '<b class="program">', '</b>'); }
sub do_cmd_programopt{
return use_wrappers($_[0], '<b class="programopt">', '</b>'); }
sub do_cmd_longprogramopt{
# note that the --- will be later converted to -- by LaTeX2HTML
return use_wrappers($_[0], '<b class="programopt">---', '</b>'); }
sub do_cmd_email{
return use_wrappers($_[0], '<span class="email">', '</span>'); }
sub do_cmd_mailheader{
return use_wrappers($_[0], '<span class="mailheader">', ':</span>'); }
sub do_cmd_mimetype{
return use_wrappers($_[0], '<span class="mimetype">', '</span>'); }
sub do_cmd_var{
return use_wrappers($_[0], "<var>", "</var>"); }
sub do_cmd_dfn{
return use_wrappers($_[0], '<i class="dfn">', '</i>'); }
sub do_cmd_emph{
return use_wrappers($_[0], '<em>', '</em>'); }
sub do_cmd_file{
return use_wrappers($_[0], '<span class="file">', '</span>'); }
sub do_cmd_filenq{
return do_cmd_file($_[0]); }
sub do_cmd_samp{
return use_code_wrappers($_[0], '"<tt class="samp">', '</tt>"'); }
sub do_cmd_kbd{
return use_wrappers($_[0], '<kbd>', '</kbd>'); }
sub do_cmd_strong{
return use_wrappers($_[0], '<strong>', '</strong>'); }
sub do_cmd_textbf{
return use_wrappers($_[0], '<b>', '</b>'); }
sub do_cmd_textit{
return use_wrappers($_[0], '<i>', '</i>'); }
# This can be changed/overridden for translations:
%NoticeNames = ('note' => 'Note:',
'warning' => 'Warning:',
);
sub do_cmd_note{
my $label = $NoticeNames{'note'};
return use_wrappers(
$_[0],
"<span class=\"note\"><b class=\"label\">$label</b>\n",
'</span>'); }
sub do_cmd_warning{
my $label = $NoticeNames{'warning'};
return use_wrappers(
$_[0],
"<span class=\"warning\"><b class=\"label\">$label</b>\n",
'</span>'); }
sub do_env_notice{
local($_) = @_;
my $notice = next_optional_argument();
if (!$notice) {
$notice = 'note';
}
my $label = $NoticeNames{$notice};
return ("<div class=\"$notice\"><b class=\"label\">$label</b>\n"
. $_
. '</div>');
}
sub do_cmd_moreargs{
return '...' . $_[0]; }
sub do_cmd_unspecified{
return '...' . $_[0]; }
sub do_cmd_refmodule{
# Insert the right magic to jump to the module definition.
local($_) = @_;
my $key = next_optional_argument();
my $module = next_argument();
$key = $module
unless $key;
return "<tt class=\"module\"><a href=\"module-$key.html\">$module</a></tt>"
. $_;
}
sub do_cmd_newsgroup{
local($_) = @_;
my $newsgroup = next_argument();
my $icon = get_link_icon("news:$newsgroup");
my $stuff = ("<a class=\"newsgroup\" href=\"news:$newsgroup\">"
. "$newsgroup$icon</a>");
return $stuff . $_;
}
sub do_cmd_envvar{
local($_) = @_;
my $envvar = next_argument();
my($name, $aname, $ahref) = new_link_info();
# The <tt> here is really to keep buildindex.py from making
# the variable name case-insensitive.
add_index_entry("environment variables!$envvar@<tt>$envvar</tt>",
$ahref);
add_index_entry("$envvar (environment variable)", $ahref);
$aname =~ s/<a/<a class="envvar"/;
return "$aname$envvar</a>" . $_;
}
sub do_cmd_url{
# use the URL as both text and hyperlink
local($_) = @_;
my $url = next_argument();
my $icon = get_link_icon($url);
$url =~ s/~/~/g;
return "<a class=\"url\" href=\"$url\">$url$icon</a>" . $_;
}
sub do_cmd_manpage{
# two parameters: \manpage{name}{section}
local($_) = @_;
my $page = next_argument();
my $section = next_argument();
return "<span class=\"manpage\"><i>$page</i>($section)</span>" . $_;
}
$PEP_FORMAT = "http://www.python.org/peps/pep-%04d.html";
#$RFC_FORMAT = "http://www.ietf.org/rfc/rfc%04d.txt";
$RFC_FORMAT = "http://www.faqs.org/rfcs/rfc%d.html";
sub get_rfc_url($$){
my($rfcnum, $format) = @_;
return sprintf($format, $rfcnum);
}
sub do_cmd_pep{
local($_) = @_;
my $rfcnumber = next_argument();
my $id = "rfcref-" . ++$global{'max_id'};
my $href = get_rfc_url($rfcnumber, $PEP_FORMAT);
my $icon = get_link_icon($href);
# Save the reference
my $nstr = gen_index_id("Python Enhancement Proposals!PEP $rfcnumber", '');
$index{$nstr} .= make_half_href("$CURRENT_FILE#$id");
return ("<a class=\"rfc\" id='$id' xml:id='$id'\n"
. "href=\"$href\">PEP $rfcnumber$icon</a>" . $_);
}
sub do_cmd_rfc{
local($_) = @_;
my $rfcnumber = next_argument();
my $id = "rfcref-" . ++$global{'max_id'};
my $href = get_rfc_url($rfcnumber, $RFC_FORMAT);
my $icon = get_link_icon($href);
# Save the reference
my $nstr = gen_index_id("RFC!RFC $rfcnumber", '');
$index{$nstr} .= make_half_href("$CURRENT_FILE#$id");
return ("<a class=\"rfc\" id='$id' xml:id='$id'\nhref=\"$href\">"
. "RFC $rfcnumber$icon</a>" . $_);
}
sub do_cmd_ulink{
local($_) = @_;
my $text = next_argument();
my $url = next_argument();
return "<a class=\"ulink\" href=\"$url\"\n >$text</a>" . $_;
}
sub do_cmd_citetitle{
local($_) = @_;
my $url = next_optional_argument();
my $title = next_argument();
my $icon = get_link_icon($url);
my $repl = '';
if ($url) {
my $titletext = strip_html_markup("$title");
$repl = ("<em class=\"citetitle\"><a\n"
. " href=\"$url\"\n"
. " title=\"$titletext\"\n"
. " >$title$icon</a></em>");
}
else {
$repl = "<em class=\"citetitle\"\n >$title</em>";
}
return $repl . $_;
}
sub do_cmd_deprecated{
# two parameters: \deprecated{version}{whattodo}
local($_) = @_;
my $release = next_argument();
my $reason = next_argument();
return ('<div class="versionnote">'
. "<b>Deprecated since release $release.</b>"
. "\n$reason</div><p></p>"
. $_);
}
sub versionnote($$){
# one or two parameters: \versionnote[explanation]{version}
my $type = $_[0];
local $_ = $_[1];
my $explanation = next_optional_argument();
my $release = next_argument();
my $text = "$type in version $release.";
if ($explanation) {
$text = "$type in version $release:\n$explanation.";
}
return "\n<span class=\"versionnote\">$text</span>\n" . $_;
}
sub do_cmd_versionadded{
return versionnote('New', $_[0]);
}
sub do_cmd_versionchanged{
return versionnote('Changed', $_[0]);
}
#
# These function handle platform dependency tracking.
#
sub do_cmd_platform{
local($_) = @_;
my $platform = next_argument();
$ModulePlatforms{"<tt class=\"module\">$THIS_MODULE</tt>"} = $platform;
$platform = "Macintosh"
if $platform eq 'Mac';
return "\n<p class=\"availability\">Availability: <span"
. "\n class=\"platform\">$platform</span>.</p>\n" . $_;
}
$IGNORE_PLATFORM_ANNOTATION = '';
sub do_cmd_ignorePlatformAnnotation{
local($_) = @_;
$IGNORE_PLATFORM_ANNOTATION = next_argument();
return $_;
}
# index commands
$INDEX_SUBITEM = "";
sub get_indexsubitem(){
return $INDEX_SUBITEM ? " $INDEX_SUBITEM" : '';
}
sub do_cmd_setindexsubitem{
local($_) = @_;
$INDEX_SUBITEM = next_argument();
return $_;
}
sub do_cmd_withsubitem{
# We can't really do the right thing, because LaTeX2HTML doesn't
# do things in the right order, but we need to at least strip this stuff
# out, and leave anything that the second argument expanded out to.
#
local($_) = @_;
my $oldsubitem = $INDEX_SUBITEM;
$INDEX_SUBITEM = next_argument();
my $stuff = next_argument();
my $br_id = ++$globals{'max_id'};
my $marker = "$O$br_id$C";
$stuff =~ s/^\s+//;
return
$stuff
. "\\setindexsubitem$marker$oldsubitem$marker"
. $_;
}
# This is the prologue macro which is required to start writing the
# mod\jobname.idx file; we can just ignore it. (Defining this suppresses
# a warning that \makemodindex is unknown.)
#
sub do_cmd_makemodindex{ return $_[0]; }
# We're in the document subdirectory when this happens!
#
open(IDXFILE, '>index.dat') || die "\n$!\n";
open(INTLABELS, '>intlabels.pl') || die "\n$!\n";
print INTLABELS "%internal_labels = ();\n";
print INTLABELS "1; # hack in case there are no entries\n\n";
# Using \0 for this is bad because we can't use common tools to work with the
# resulting files. Things like grep can be useful with this stuff!
#
$IDXFILE_FIELD_SEP = "\1";
sub write_idxfile($$){
my($ahref, $str) = @_;
print IDXFILE $ahref, $IDXFILE_FIELD_SEP, $str, "\n";
}
sub gen_link($$){
my($node, $target) = @_;
print INTLABELS "\$internal_labels{\"$target\"} = \"/$node\";\n";
return "<a href=\"$node#$target\">";
}
sub add_index_entry($$){
# add an entry to the index structures; ignore the return value
my($str, $ahref) = @_;
$str = gen_index_id($str, '');
$index{$str} .= $ahref;
write_idxfile($ahref, $str);
}
sub new_link_name_info(){
my $name = "l2h-" . ++$globals{'max_id'};
my $ahref = gen_link($CURRENT_FILE, $name);
return ($name, $ahref);
}
sub new_link_info(){
my($name, $ahref) = new_link_name_info();
my $aname = "<a id='$name' xml:id='$name'>";
return ($name, $aname, $ahref);
}
$IndexMacroPattern = '';
sub define_indexing_macro(@){
my $count = @_;
my $i = 0;
for (; $i < $count; ++$i) {
my $name = $_[$i];
my $cmd = "idx_cmd_$name";
die "\nNo function $cmd() defined!\n"
if (!defined &$cmd);
eval ("sub do_cmd_$name { return process_index_macros("
. "\$_[0], '$name'); }");
if (length($IndexMacroPattern) == 0) {
$IndexMacroPattern = "$name";
}
else {
$IndexMacroPattern .= "|$name";
}
}
}
$DEBUG_INDEXING = 0;
sub process_index_macros($$){
local($_) = @_;
my $cmdname = $_[1]; # This is what triggered us in the first place;
# we know it's real, so just process it.
my($name, $aname, $ahref) = new_link_info();
my $cmd = "idx_cmd_$cmdname";
print "\nIndexing: \\$cmdname"
if $DEBUG_INDEXING;
&$cmd($ahref); # modifies $_ and adds index entries
while (/^[\s\n]*\\($IndexMacroPattern)</) {
$cmdname = "$1";
print " \\$cmdname"
if $DEBUG_INDEXING;
$cmd = "idx_cmd_$cmdname";
if (!defined &$cmd) {
last;
}
else {
s/^[\s\n]*\\$cmdname//;
&$cmd($ahref);
}
}
# XXX I don't remember why I added this to begin with.
# if (/^[ \t\r\n]/) {
# $_ = substr($_, 1);
# }
return "$aname$anchor_invisible_mark</a>" . $_;
}
define_indexing_macro('index');
sub idx_cmd_index($){
my $str = next_argument();
add_index_entry("$str", $_[0]);
}
define_indexing_macro('kwindex');
sub idx_cmd_kwindex($){
my $str = next_argument();
add_index_entry("<tt>$str</tt>!keyword", $_[0]);
add_index_entry("keyword!<tt>$str</tt>", $_[0]);
}
define_indexing_macro('indexii');
sub idx_cmd_indexii($){
my $str1 = next_argument();
my $str2 = next_argument();
add_index_entry("$str1!$str2", $_[0]);
add_index_entry("$str2!$str1", $_[0]);
}
define_indexing_macro('indexiii');
sub idx_cmd_indexiii($){
my $str1 = next_argument();
my $str2 = next_argument();
my $str3 = next_argument();
add_index_entry("$str1!$str2 $str3", $_[0]);
add_index_entry("$str2!$str3, $str1", $_[0]);
add_index_entry("$str3!$str1 $str2", $_[0]);
}
define_indexing_macro('indexiv');
sub idx_cmd_indexiv($){
my $str1 = next_argument();
my $str2 = next_argument();
my $str3 = next_argument();
my $str4 = next_argument();
add_index_entry("$str1!$str2 $str3 $str4", $_[0]);
add_index_entry("$str2!$str3 $str4, $str1", $_[0]);
add_index_entry("$str3!$str4, $str1 $str2", $_[0]);
add_index_entry("$str4!$str1 $str2 $str3", $_[0]);
}
define_indexing_macro('ttindex');
sub idx_cmd_ttindex($){
my $str = codetext(next_argument());
my $entry = $str . get_indexsubitem();
add_index_entry($entry, $_[0]);
}
sub my_typed_index_helper($$){
my($word, $ahref) = @_;
my $str = next_argument();
add_index_entry("$str $word", $ahref);
add_index_entry("$word!$str", $ahref);
}
define_indexing_macro('stindex', 'opindex', 'exindex', 'obindex');
sub idx_cmd_stindex($){ my_typed_index_helper('statement', $_[0]); }
sub idx_cmd_opindex($){ my_typed_index_helper('operator', $_[0]); }
sub idx_cmd_exindex($){ my_typed_index_helper('exception', $_[0]); }
sub idx_cmd_obindex($){ my_typed_index_helper('object', $_[0]); }
define_indexing_macro('bifuncindex');
sub idx_cmd_bifuncindex($){
my $str = next_argument();
add_index_entry("<tt class=\"function\">$str()</tt> (built-in function)",
$_[0]);
}
sub make_mod_index_entry($$){
my($str, $define) = @_;
my($name, $aname, $ahref) = new_link_info();
# equivalent of add_index_entry() using $define instead of ''
$ahref =~ s/\#[-_a-zA-Z0-9]*\"/\"/
if ($define eq 'DEF');
$str = gen_index_id($str, $define);
$index{$str} .= $ahref;
write_idxfile($ahref, $str);
if ($define eq 'DEF') {
# add to the module index
$str =~ /(<tt.*<\/tt>)/;
my $nstr = $1;
$Modules{$nstr} .= $ahref;
}
return "$aname$anchor_invisible_mark2</a>";
}
$THIS_MODULE = '';
$THIS_CLASS = '';
sub define_module($$){
my($word, $name) = @_;
my $section_tag = join('', @curr_sec_id);
if ($word ne "built-in" && $word ne "extension"
&& $word ne "standard" && $word ne "") {
write_warnings("Bad module type '$word'"
. " for \\declaremodule (module $name)");
$word = "";
}
$word = "$word " if $word;
$THIS_MODULE = "$name";
$INDEX_SUBITEM = "(in module $name)";
print "[$name]";
return make_mod_index_entry(
"<tt class=\"module\">$name</tt> (${word}module)", 'DEF');
}
sub my_module_index_helper($$){
local($word, $_) = @_;
my $name = next_argument();
return define_module($word, $name) . $_;
}
sub do_cmd_modindex{ return my_module_index_helper('', $_[0]); }
sub do_cmd_bimodindex{ return my_module_index_helper('built-in', $_[0]); }
sub do_cmd_exmodindex{ return my_module_index_helper('extension', $_[0]); }
sub do_cmd_stmodindex{ return my_module_index_helper('standard', $_[0]); }
# local($_) = @_;
# my $name = next_argument();
# return define_module('standard', $name) . $_;
# }
sub ref_module_index_helper($$){
my($word, $ahref) = @_;
my $str = next_argument();
$word = "$word " if $word;
$str = "<tt class=\"module\">$str</tt> (${word}module)";
# can't use add_index_entry() since the 2nd arg to gen_index_id() is used;
# just inline it all here
$str = gen_index_id($str, 'REF');
$index{$str} .= $ahref;
write_idxfile($ahref, $str);
}
# these should be adjusted a bit....
define_indexing_macro('refmodindex', 'refbimodindex',
'refexmodindex', 'refstmodindex');
sub idx_cmd_refmodindex($){
return ref_module_index_helper('', $_[0]); }
sub idx_cmd_refbimodindex($){
return ref_module_index_helper('built-in', $_[0]); }
sub idx_cmd_refexmodindex($){
return ref_module_index_helper('extension', $_[0]);}
sub idx_cmd_refstmodindex($){
return ref_module_index_helper('standard', $_[0]); }
sub do_cmd_nodename{ return do_cmd_label($_[0]); }
sub init_myformat(){
# This depends on the override of text_cleanup() in l2hinit.perl;
# if that function cleans out empty tags, the first three of these
# variables must be set to comments.
#
# Thanks to Dave Kuhlman for figuring why some named anchors were
# being lost.
$anchor_invisible_mark = '';
$anchor_invisible_mark2 = '';
$anchor_mark = '';
$icons{'anchor_mark'} = '';
}
init_myformat();
# Create an index entry, but include the string in the target anchor
# instead of the dummy filler.
#
sub make_str_index_entry($){
my $str = $_[0];
my($name, $ahref) = new_link_name_info();
add_index_entry($str, $ahref);
if ($str =~ /^<[a-z]+\b/) {
my $s = "$str";
$s =~ s/^<([a-z]+)\b/<$1 id='$name' xml:id='$name'/;
return $s;
}
else {
return "<a id='$name' xml:id='$name'>$str</a>";
}
}
%TokenToTargetMapping = (); # language:token -> link target
%DefinedGrammars = (); # language -> full grammar text
%BackpatchGrammarFiles = (); # file -> 1 (hash of files to fixup)
sub do_cmd_token{
local($_) = @_;
my $token = next_argument();
my $target = $TokenToTargetMapping{"$CURRENT_GRAMMAR:$token"};
if ($token eq $CURRENT_TOKEN || $CURRENT_GRAMMAR eq '*') {
# recursive definition or display-only productionlist
return "$token";
}
if ($target eq '') {
$target = "<pyGrammarToken><$CURRENT_GRAMMAR><$token>";
if (! $BackpatchGrammarFiles{"$CURRENT_FILE"}) {
print "Adding '$CURRENT_FILE' to back-patch list.\n";
}
$BackpatchGrammarFiles{"$CURRENT_FILE"} = 1;
}
return "<a class='grammartoken' href=\"$target\">$token</a>" . $_;
}
sub do_cmd_grammartoken{
return do_cmd_token(@_);
}
sub do_env_productionlist{
local($_) = @_;
my $lang = next_optional_argument();
my $filename = "grammar-$lang.txt";
if ($lang eq '') {
$filename = 'grammar.txt';
}
local($CURRENT_GRAMMAR) = $lang;
$DefinedGrammars{$lang} .= $_;
return ("<dl><dd class=\"grammar\">\n"
. "<div class=\"productions\">\n"
. "<table>\n"
. translate_commands(translate_environments($_))
. "</table>\n"
. "</div>\n"
. (($lang eq '*')
? ''
: ("<a class=\"grammar-footer\"\n"
. " href=\"$filename\" type=\"text/plain\"\n"
. " >Download entire grammar as text.</a>\n"))
. "</dd></dl>");
}
sub do_cmd_production{
local($_) = @_;
my $token = next_argument();
my $defn = next_argument();
my $lang = $CURRENT_GRAMMAR;
local($CURRENT_TOKEN) = $token;
if ($lang eq '*') {
return ("<tr>\n"
. " <td>$token</td>\n"
. " <td>::=</td>\n"
. " <td>"
. translate_commands($defn)
. "</td></tr>"
. $_);
}
my $target;
if ($lang eq '') {
$target = "$CURRENT_FILE\#tok-$token";
}
else {
$target = "$CURRENT_FILE\#tok-$lang-$token";
}
$TokenToTargetMapping{"$CURRENT_GRAMMAR:$token"} = $target;
return ("<tr>\n"
. " <td><a id='tok-$token' xml:id='tok-$token'>"
. "$token</a></td>\n"
. " <td>::=</td>\n"
. " <td>"
. translate_commands($defn)
. "</td></tr>"
. $_);
}
sub do_cmd_productioncont{
local($_) = @_;
my $defn = next_argument();
$defn =~ s/^( +)/' ' x length $1/e;
return ("<tr>\n"
. " <td></td>\n"
. " <td></td>\n"
. " <td><code>"
. translate_commands($defn)
. "</code></td></tr>"
. $_);
}
sub process_grammar_files(){
my $lang;
my $filename;
local($_);
print "process_grammar_files()\n";
foreach $lang (keys %DefinedGrammars) {
$filename = "grammar-$lang.txt";
if ($lang eq '*') {
next;
}
if ($lang eq '') {
$filename = 'grammar.txt';
}
open(GRAMMAR, ">$filename") || die "\n$!\n";
print GRAMMAR strip_grammar_markup($DefinedGrammars{$lang});
close(GRAMMAR);
print "Wrote grammar file $filename\n";
}
my $PATTERN = '<pyGrammarToken><([^>]*)><([^>]*)>';
foreach $filename (keys %BackpatchGrammarFiles) {
print "\nBack-patching grammar links in $filename\n";
my $buffer;
open(GRAMMAR, "<$filename") || die "\n$!\n";
# read all of the file into the buffer
sysread(GRAMMAR, $buffer, 1024*1024);
close(GRAMMAR);
while ($buffer =~ /$PATTERN/) {
my($lang, $token) = ($1, $2);
my $target = $TokenToTargetMapping{"$lang:$token"};
my $source = "<pyGrammarToken><$lang><$token>";
$buffer =~ s/$source/$target/g;
}
open(GRAMMAR, ">$filename") || die "\n$!\n";
print GRAMMAR $buffer;
close(GRAMMAR);
}
}
sub strip_grammar_markup($){
local($_) = @_;
s/\\productioncont/ /g;
s/\\production(<<\d+>>)(.+)\1/\n$2 ::= /g;
s/\\token(<<\d+>>)(.+)\1/$2/g;
s/\\e([^a-zA-Z])/\\$1/g;
s/<<\d+>>//g;
s/;SPMgt;/>/g;
s/;SPMlt;/</g;
s/;SPMquot;/\"/g;
return $_;
}
$REFCOUNTS_LOADED = 0;
sub load_refcounts(){
$REFCOUNTS_LOADED = 1;
my($myname, $mydir, $myext) = fileparse(__FILE__, '\..*');
chop $mydir; # remove trailing '/'
($myname, $mydir, $myext) = fileparse($mydir, '\..*');
chop $mydir; # remove trailing '/'
$mydir = getcwd() . "$dd$mydir"
unless $mydir =~ s|^/|/|;
local $_;
my $filename = "$mydir${dd}api${dd}refcounts.dat";
open(REFCOUNT_FILE, "<$filename") || die "\n$!\n";
print "[loading API refcount data]";
while (<REFCOUNT_FILE>) {
if (/([a-zA-Z0-9_]+):PyObject\*:([a-zA-Z0-9_]*):(0|[-+]1|null):(.*)$/) {
my($func, $param, $count, $comment) = ($1, $2, $3, $4);
#print "\n$func($param) --> $count";
$REFCOUNTS{"$func:$param"} = $count;
}
}
}
sub get_refcount($$){
my($func, $param) = @_;
load_refcounts()
unless $REFCOUNTS_LOADED;
return $REFCOUNTS{"$func:$param"};
}
$TLSTART = '<span class="typelabel">';
$TLEND = '</span> ';
sub cfuncline_helper($$$){
my($type, $name, $args) = @_;
my $idx = make_str_index_entry(
"<tt class=\"cfunction\">$name()</tt>" . get_indexsubitem());
$idx =~ s/ \(.*\)//;
$idx =~ s/\(\)//; # ???? - why both of these?
$args =~ s/(\s|\*)([a-z_][a-z_0-9]*),/$1<var>$2<\/var>,/g;
$args =~ s/(\s|\*)([a-z_][a-z_0-9]*)$/$1<var>$2<\/var>/s;
return ('<table cellpadding="0" cellspacing="0"><tr valign="baseline">'
. "<td><nobr>$type\ <b>$idx</b>(</nobr></td>"
. "<td>$args)</td>"
. '</tr></table>');
}
sub do_cmd_cfuncline{
local($_) = @_;
my $type = next_argument();
my $name = next_argument();
my $args = next_argument();
my $siginfo = cfuncline_helper($type, $name, $args);
return "<dt>$siginfo\n<dd>" . $_;
}
sub do_env_cfuncdesc{
local($_) = @_;
my $type = next_argument();
my $name = next_argument();
my $args = next_argument();
my $siginfo = cfuncline_helper($type, $name, $args);
my $result_rc = get_refcount($name, '');
my $rcinfo = '';
if ($result_rc eq '+1') {
$rcinfo = 'New reference';
}
elsif ($result_rc eq '0') {
$rcinfo = 'Borrowed reference';
}
elsif ($result_rc eq 'null') {
$rcinfo = 'Always <tt class="constant">NULL</tt>';
}
if ($rcinfo ne '') {
$rcinfo = ( "\n<div class=\"refcount-info\">"
. "\n <span class=\"label\">Return value:</span>"
. "\n <span class=\"value\">$rcinfo.</span>"
. "\n</div>");
}
return "<dl><dt>$siginfo</dt>\n<dd>"
. $rcinfo
. $_
. '</dd></dl>';
}
sub do_cmd_cmemberline{
local($_) = @_;
my $container = next_argument();
my $type = next_argument();
my $name = next_argument();
my $idx = make_str_index_entry("<tt class=\"cmember\">$name</tt>"
. " ($container member)");
$idx =~ s/ \(.*\)//;
return "<dt>$type <b>$idx</b></dt>\n<dd>"
. $_;
}
sub do_env_cmemberdesc{
local($_) = @_;
my $container = next_argument();
my $type = next_argument();
my $name = next_argument();
my $idx = make_str_index_entry("<tt class=\"cmember\">$name</tt>"
. " ($container member)");
$idx =~ s/ \(.*\)//;
return "<dl><dt>$type <b>$idx</b></dt>\n<dd>"
. $_
. '</dl>';
}
sub do_env_csimplemacrodesc{
local($_) = @_;
my $name = next_argument();
my $idx = make_str_index_entry("<tt class=\"macro\">$name</tt>");
return "<dl><dt><b>$idx</b></dt>\n<dd>"
. $_
. '</dl>'
}
sub do_env_ctypedesc{
local($_) = @_;
my $index_name = next_optional_argument();
my $type_name = next_argument();
$index_name = $type_name
unless $index_name;
my($name, $aname, $ahref) = new_link_info();
add_index_entry("<tt class=\"ctype\">$index_name</tt> (C type)", $ahref);
return "<dl><dt><b><tt class=\"ctype\">$aname$type_name</a></tt></b></dt>"
. "\n<dd>"
. $_
. '</dl>'
}
sub do_env_cvardesc{
local($_) = @_;
my $var_type = next_argument();
my $var_name = next_argument();
my $idx = make_str_index_entry("<tt class=\"cdata\">$var_name</tt>"
. get_indexsubitem());
$idx =~ s/ \(.*\)//;
return "<dl><dt>$var_type <b>$idx</b></dt>\n"
. '<dd>'
. $_
. '</dd></dl>';
}
sub convert_args($){
local($IN_DESC_HANDLER) = 1;
local($_) = @_;
return translate_commands($_);
}
sub funcline_helper($$$){
my($first, $idxitem, $arglist) = @_;
return (($first ? '<dl>' : '')
. '<dt><table cellpadding="0" cellspacing="0"><tr valign="baseline">'
. "\n <td><nobr><b>$idxitem</b>(</nobr></td>"
. "\n <td><var>$arglist</var>)</td></tr></table></dt>\n<dd>");
}
sub do_env_funcdesc{
local($_) = @_;
my $function_name = next_argument();
my $arg_list = convert_args(next_argument());
my $idx = make_str_index_entry("<tt class=\"function\">$function_name()"
. '</tt>'
. get_indexsubitem());
$idx =~ s/ \(.*\)//;
$idx =~ s/\(\)<\/tt>/<\/tt>/;
return funcline_helper(1, $idx, $arg_list) . $_ . '</dl>';
}
sub do_env_funcdescni{
local($_) = @_;
my $function_name = next_argument();
my $arg_list = convert_args(next_argument());
my $prefix = "<tt class=\"function\">$function_name</tt>";
return funcline_helper(1, $prefix, $arg_list) . $_ . '</dl>';
}
sub do_cmd_funcline{
local($_) = @_;
my $function_name = next_argument();
my $arg_list = convert_args(next_argument());
my $prefix = "<tt class=\"function\">$function_name()</tt>";
my $idx = make_str_index_entry($prefix . get_indexsubitem());
$prefix =~ s/\(\)//;
return funcline_helper(0, $prefix, $arg_list) . $_;
}
sub do_cmd_funclineni{
local($_) = @_;
my $function_name = next_argument();
my $arg_list = convert_args(next_argument());
my $prefix = "<tt class=\"function\">$function_name</tt>";
return funcline_helper(0, $prefix, $arg_list) . $_;
}
# Change this flag to index the opcode entries. I don't think it's very
# useful to index them, since they're only presented to describe the dis
# module.
#
$INDEX_OPCODES = 0;
sub do_env_opcodedesc{
local($_) = @_;
my $opcode_name = next_argument();
my $arg_list = next_argument();
my $idx;
if ($INDEX_OPCODES) {
$idx = make_str_index_entry("<tt class=\"opcode\">$opcode_name</tt>"
. ' (byte code instruction)');
$idx =~ s/ \(byte code instruction\)//;
}
else {
$idx = "<tt class=\"opcode\">$opcode_name</tt>";
}
my $stuff = "<dl><dt><b>$idx</b>";
if ($arg_list) {
$stuff .= " <var>$arg_list</var>";
}
return $stuff . "</dt>\n<dd>" . $_ . '</dt></dl>';
}
sub do_env_datadesc{
local($_) = @_;
my $dataname = next_argument();
my $idx = make_str_index_entry("<tt>$dataname</tt>" . get_indexsubitem());
$idx =~ s/ \(.*\)//;
return "<dl><dt><b>$idx</b></dt>\n<dd>"
. $_
. '</dd></dl>';
}
sub do_env_datadescni{
local($_) = @_;
my $idx = next_argument();
if (! $STRING_INDEX_TT) {
$idx = "<tt>$idx</tt>";
}
return "<dl><dt><b>$idx</b></dt>\n<dd>" . $_ . '</dd></dl>';
}
sub do_cmd_dataline{
local($_) = @_;
my $data_name = next_argument();
my $idx = make_str_index_entry("<tt>$data_name</tt>" . get_indexsubitem());
$idx =~ s/ \(.*\)//;
return "<dt><b>$idx</b></dt><dd>" . $_;
}
sub do_cmd_datalineni{
local($_) = @_;
my $data_name = next_argument();
return "<dt><b><tt>$data_name</tt></b></dt><dd>" . $_;
}
sub do_env_excdesc{
local($_) = @_;
my $excname = next_argument();
my $idx = make_str_index_entry("<tt class=\"exception\">$excname</tt>");
return ("<dl><dt><b>${TLSTART}exception$TLEND$idx</b></dt>"
. "\n<dd>"
. $_
. '</dd></dl>');
}
sub do_env_fulllineitems{ return do_env_itemize(@_); }
sub handle_classlike_descriptor($$){
local($_, $what) = @_;
$THIS_CLASS = next_argument();
my $arg_list = convert_args(next_argument());
$idx = make_str_index_entry(
"<tt class=\"$what\">$THIS_CLASS</tt> ($what in $THIS_MODULE)" );
$idx =~ s/ \(.*\)//;
my $prefix = "$TLSTART$what$TLEND$idx";
return funcline_helper(1, $prefix, $arg_list) . $_ . '</dl>';
}
sub do_env_classdesc{
return handle_classlike_descriptor($_[0], "class");
}
sub do_env_classdescstar{
local($_) = @_;
$THIS_CLASS = next_argument();
$idx = make_str_index_entry(
"<tt class=\"class\">$THIS_CLASS</tt> (class in $THIS_MODULE)");
$idx =~ s/ \(.*\)//;
my $prefix = "${TLSTART}class$TLEND$idx";
# Can't use funcline_helper() since there is no args list.
return "<dl><dt><b>$prefix</b>\n<dd>" . $_ . '</dl>';
}
sub do_env_excclassdesc{
return handle_classlike_descriptor($_[0], "exception");
}
sub do_env_methoddesc{
local($_) = @_;
my $class_name = next_optional_argument();
$class_name = $THIS_CLASS
unless $class_name;
my $method = next_argument();
my $arg_list = convert_args(next_argument());
my $extra = '';
if ($class_name) {
$extra = " ($class_name method)";
}
my $idx = make_str_index_entry(
"<tt class=\"method\">$method()</tt>$extra");
$idx =~ s/ \(.*\)//;
$idx =~ s/\(\)//;
return funcline_helper(1, $idx, $arg_list) . $_ . '</dl>';
}
sub do_cmd_methodline{
local($_) = @_;
my $class_name = next_optional_argument();
$class_name = $THIS_CLASS
unless $class_name;
my $method = next_argument();
my $arg_list = convert_args(next_argument());
my $extra = '';
if ($class_name) {
$extra = " ($class_name method)";
}
my $idx = make_str_index_entry(
"<tt class=\"method\">$method()</tt>$extra");
$idx =~ s/ \(.*\)//;
$idx =~ s/\(\)//;
return funcline_helper(0, $idx, $arg_list) . $_;
}
sub do_cmd_methodlineni{
local($_) = @_;
next_optional_argument();
my $method = next_argument();
my $arg_list = convert_args(next_argument());
return funcline_helper(0, $method, $arg_list) . $_;
}
sub do_env_methoddescni{
local($_) = @_;
next_optional_argument();
my $method = next_argument();
my $arg_list = convert_args(next_argument());
return funcline_helper(1, $method, $arg_list) . $_ . '</dl>';
}
sub do_env_memberdesc{
local($_) = @_;
my $class = next_optional_argument();
my $member = next_argument();
$class = $THIS_CLASS
unless $class;
my $extra = '';
$extra = " ($class attribute)"
if ($class ne '');
my $idx = make_str_index_entry("<tt class=\"member\">$member</tt>$extra");
$idx =~ s/ \(.*\)//;
$idx =~ s/\(\)//;
return "<dl><dt><b>$idx</b></dt>\n<dd>" . $_ . '</dl>';
}
sub do_cmd_memberline{
local($_) = @_;
my $class = next_optional_argument();
my $member = next_argument();
$class = $THIS_CLASS
unless $class;
my $extra = '';
$extra = " ($class attribute)"
if ($class ne '');
my $idx = make_str_index_entry("<tt class=\"member\">$member</tt>$extra");
$idx =~ s/ \(.*\)//;
$idx =~ s/\(\)//;
return "<dt><b>$idx</b></dt><dd>" . $_;
}
sub do_env_memberdescni{
local($_) = @_;
next_optional_argument();
my $member = next_argument();
return "<dl><dt><b><tt class=\"member\">$member</tt></b></dt>\n<dd>"
. $_
. '</dd></dl>';
}
sub do_cmd_memberlineni{
local($_) = @_;
next_optional_argument();
my $member = next_argument();
return "<dt><b><tt class=\"member\">$member</tt></b></dt>\n<dd>" . $_;
}
# For tables, we include a class on every cell to allow the CSS to set
# the text-align property; this is because support for styling columns
# via the <col> element appears nearly non-existant on even the latest
# browsers (Mozilla 1.7 is stable at the time of this writing).
# Hopefully this can be improved as browsers evolve.
@col_aligns = ('<td>', '<td>', '<td>', '<td>', '<td>');
%FontConversions = ('cdata' => 'tt class="cdata"',
'character' => 'tt class="character"',
'class' => 'tt class="class"',
'command' => 'code',
'constant' => 'tt class="constant"',
'exception' => 'tt class="exception"',
'file' => 'tt class="file"',
'filenq' => 'tt class="file"',
'kbd' => 'kbd',
'member' => 'tt class="member"',
'programopt' => 'b',
'textrm' => '',
);
sub fix_font($){
# do a little magic on a font name to get the right behavior in the first
# column of the output table
my $font = $_[0];
if (defined $FontConversions{$font}) {
$font = $FontConversions{$font};
}
return $font;
}
sub figure_column_alignment($){
my $a = $_[0];
if (!defined $a) {
return '';
}
my $mark = substr($a, 0, 1);
my $r = '';
if ($mark eq 'c')
{ $r = ' class="center"'; }
elsif ($mark eq 'r')
{ $r = ' class="right" '; }
elsif ($mark eq 'l')
{ $r = ' class="left" '; }
elsif ($mark eq 'p')
{ $r = ' class="left" '; }
return $r;
}
sub setup_column_alignments($){
local($_) = @_;
my($s1, $s2, $s3, $s4, $s5) = split(/[|]/,$_);
my $a1 = figure_column_alignment($s1);
my $a2 = figure_column_alignment($s2);
my $a3 = figure_column_alignment($s3);
my $a4 = figure_column_alignment($s4);
my $a5 = figure_column_alignment($s5);
$col_aligns[0] = "<td$a1 valign=\"baseline\">";
$col_aligns[1] = "<td$a2>";
$col_aligns[2] = "<td$a3>";
$col_aligns[3] = "<td$a4>";
$col_aligns[4] = "<td$a5>";
# return the aligned header start tags
return ("<th$a1>", "<th$a2>", "<th$a3>", "<th$a4>", "<th$a5>");
}
sub get_table_col1_fonts(){
my $font = $globals{'lineifont'};
my($sfont, $efont) = ('', '');
if ($font) {
$sfont = "<$font>";
$efont = "</$font>";
$efont =~ s/ .*>/>/;
}
return ($sfont, $efont);
}
sub do_env_tableii{
local($_) = @_;
my $arg = next_argument();
my($th1, $th2, $th3, $th4, $th5) = setup_column_alignments($arg);
my $font = fix_font(next_argument());
my $h1 = next_argument();
my $h2 = next_argument();
s/[\s\n]+//;
$globals{'lineifont'} = $font;
my $a1 = $col_aligns[0];
my $a2 = $col_aligns[1];
s/\\lineii</\\lineii[$a1|$a2]</g;
return '<div class="center"><table class="realtable">'
. "\n <thead>"
. "\n <tr>"
. "\n $th1$h1</th>"
. "\n $th2$h2</th>"
. "\n </tr>"
. "\n </thead>"
. "\n <tbody>"
. $_
. "\n </tbody>"
. "\n</table></div>";
}
sub do_env_longtableii{
return do_env_tableii(@_);
}
sub do_cmd_lineii{
local($_) = @_;
my $aligns = next_optional_argument();
my $c1 = next_argument();
my $c2 = next_argument();
s/[\s\n]+//;
my($sfont, $efont) = get_table_col1_fonts();
my($c1align, $c2align) = split('\|', $aligns);
return "\n <tr>$c1align$sfont$c1$efont</td>\n"
. " $c2align$c2</td></tr>"
. $_;
}
sub do_env_tableiii{
local($_) = @_;
my $arg = next_argument();
my($th1, $th2, $th3, $th4, $th5) = setup_column_alignments($arg);
my $font = fix_font(next_argument());
my $h1 = next_argument();
my $h2 = next_argument();
my $h3 = next_argument();
s/[\s\n]+//;
$globals{'lineifont'} = $font;
my $a1 = $col_aligns[0];
my $a2 = $col_aligns[1];
my $a3 = $col_aligns[2];
s/\\lineiii</\\lineiii[$a1|$a2|$a3]</g;
return '<div class="center"><table class="realtable">'
. "\n <thead>"
. "\n <tr>"
. "\n $th1$h1</th>"
. "\n $th2$h2</th>"
. "\n $th3$h3</th>"
. "\n </tr>"
. "\n </thead>"
. "\n <tbody>"
. $_
. "\n </tbody>"
. "\n</table></div>";
}
sub do_env_longtableiii{
return do_env_tableiii(@_);
}
sub do_cmd_lineiii{
local($_) = @_;
my $aligns = next_optional_argument();
my $c1 = next_argument();
my $c2 = next_argument();
my $c3 = next_argument();
s/[\s\n]+//;
my($sfont, $efont) = get_table_col1_fonts();
my($c1align, $c2align, $c3align) = split('\|', $aligns);
return "\n <tr>$c1align$sfont$c1$efont</td>\n"
. " $c2align$c2</td>\n"
. " $c3align$c3</td></tr>"
. $_;
}
sub do_env_tableiv{
local($_) = @_;
my $arg = next_argument();
my($th1, $th2, $th3, $th4, $th5) = setup_column_alignments($arg);
my $font = fix_font(next_argument());
my $h1 = next_argument();
my $h2 = next_argument();
my $h3 = next_argument();
my $h4 = next_argument();
s/[\s\n]+//;
$globals{'lineifont'} = $font;
my $a1 = $col_aligns[0];
my $a2 = $col_aligns[1];
my $a3 = $col_aligns[2];
my $a4 = $col_aligns[3];
s/\\lineiv</\\lineiv[$a1|$a2|$a3|$a4]</g;
return '<div class="center"><table class="realtable">'
. "\n <thead>"
. "\n <tr>"
. "\n $th1$h1</th>"
. "\n $th2$h2</th>"
. "\n $th3$h3</th>"
. "\n $th4$h4</th>"
. "\n </tr>"
. "\n </thead>"
. "\n <tbody>"
. $_
. "\n </tbody>"
. "\n</table></div>";
}
sub do_env_longtableiv{
return do_env_tableiv(@_);
}
sub do_cmd_lineiv{
local($_) = @_;
my $aligns = next_optional_argument();
my $c1 = next_argument();
my $c2 = next_argument();
my $c3 = next_argument();
my $c4 = next_argument();
s/[\s\n]+//;
my($sfont, $efont) = get_table_col1_fonts();
my($c1align, $c2align, $c3align, $c4align) = split('\|', $aligns);
return "\n <tr>$c1align$sfont$c1$efont</td>\n"
. " $c2align$c2</td>\n"
. " $c3align$c3</td>\n"
. " $c4align$c4</td></tr>"
. $_;
}
sub do_env_tablev{
local($_) = @_;
my $arg = next_argument();
my($th1, $th2, $th3, $th4, $th5) = setup_column_alignments($arg);
my $font = fix_font(next_argument());
my $h1 = next_argument();
my $h2 = next_argument();
my $h3 = next_argument();
my $h4 = next_argument();
my $h5 = next_argument();
s/[\s\n]+//;
$globals{'lineifont'} = $font;
my $a1 = $col_aligns[0];
my $a2 = $col_aligns[1];
my $a3 = $col_aligns[2];
my $a4 = $col_aligns[3];
my $a5 = $col_aligns[4];
s/\\linev</\\linev[$a1|$a2|$a3|$a4|$a5]</g;
return '<div class="center"><table class="realtable">'
. "\n <thead>"
. "\n <tr>"
. "\n $th1$h1</th>"
. "\n $th2$h2</th>"
. "\n $th3$h3</th>"
. "\n $th4$h4</th>"
. "\n $th5$h5</th>"
. "\n </tr>"
. "\n </thead>"
. "\n <tbody>"
. $_
. "\n </tbody>"
. "\n</table></div>";
}
sub do_env_longtablev{
return do_env_tablev(@_);
}
sub do_cmd_linev{
local($_) = @_;
my $aligns = next_optional_argument();
my $c1 = next_argument();
my $c2 = next_argument();
my $c3 = next_argument();
my $c4 = next_argument();
my $c5 = next_argument();
s/[\s\n]+//;
my($sfont, $efont) = get_table_col1_fonts();
my($c1align, $c2align, $c3align, $c4align, $c5align) = split('\|',$aligns);
return "\n <tr>$c1align$sfont$c1$efont</td>\n"
. " $c2align$c2</td>\n"
. " $c3align$c3</td>\n"
. " $c4align$c4</td>\n"
. " $c5align$c5</td></tr>"
. $_;
}
# These can be used to control the title page appearance;
# they need a little bit of documentation.
#
# If $TITLE_PAGE_GRAPHIC is set, it should be the name of a file in the
# $ICONSERVER directory, or include path information (other than "./"). The
# default image type will be assumed if an extension is not provided.
#
# If specified, the "title page" will contain two colums: one containing the
# title/author/etc., and the other containing the graphic. Use the other
# four variables listed here to control specific details of the layout; all
# are optional.
#
# $TITLE_PAGE_GRAPHIC = "my-company-logo";
# $TITLE_PAGE_GRAPHIC_COLWIDTH = "30%";
# $TITLE_PAGE_GRAPHIC_WIDTH = 150;
# $TITLE_PAGE_GRAPHIC_HEIGHT = 150;
# $TITLE_PAGE_GRAPHIC_ON_RIGHT = 0;
sub make_my_titlepage(){
my $the_title = "";
if ($t_title) {
$the_title .= "\n<h1>$t_title</h1>";
}
else {
write_warnings("\nThis document has no title.");
}
if ($t_author) {
if ($t_authorURL) {
my $href = translate_commands($t_authorURL);
$href = make_named_href('author', $href,
"<b><font size=\"+2\">$t_author"
. '</font></b>');
$the_title .= "\n<p>$href</p>";
}
else {
$the_title .= ("\n<p><b><font size=\"+2\">$t_author"
. '</font></b></p>');
}
}
else {
write_warnings("\nThere is no author for this document.");
}
if ($t_institute) {
$the_title .= "\n<p>$t_institute</p>";
}
if ($DEVELOPER_ADDRESS) {
$the_title .= "\n<p>$DEVELOPER_ADDRESS</p>";
}
if ($t_affil) {
$the_title .= "\n<p><i>$t_affil</i></p>";
}
if ($t_date) {
$the_title .= "\n<p>";
if ($PACKAGE_VERSION) {
$the_title .= ('<strong>Release '
. "$PACKAGE_VERSION$RELEASE_INFO</strong><br />\n");
}
$the_title .= "<strong>$t_date</strong></p>"
}
if ($t_address) {
$the_title .= "\n<p>$t_address</p>";
}
else {
$the_title .= "\n<p></p>";
}
if ($t_email) {
$the_title .= "\n<p>$t_email</p>";
}
return $the_title;
}
sub make_my_titlegraphic(){
my $filename = make_icon_filename($TITLE_PAGE_GRAPHIC);
my $graphic = "<td class=\"titlegraphic\"";
$graphic .= " width=\"$TITLE_PAGE_GRAPHIC_COLWIDTH\""
if ($TITLE_PAGE_GRAPHIC_COLWIDTH);
$graphic .= "><img";
$graphic .= " width=\"$TITLE_PAGE_GRAPHIC_WIDTH\""
if ($TITLE_PAGE_GRAPHIC_WIDTH);
$graphic .= " height=\"$TITLE_PAGE_GRAPHIC_HEIGHT\""
if ($TITLE_PAGE_GRAPHIC_HEIGHT);
$graphic .= "\n src=\"$filename\" /></td>\n";
return $graphic;
}
sub do_cmd_maketitle{
local($_) = @_;
my $the_title = "\n";
if ($EXTERNAL_UP_LINK) {
# This generates a <link> element in the wrong place (the
# body), but I don't see any other way to get this generated
# at all. Browsers like Mozilla, that support navigation
# links, can make use of this.
$the_title .= ("<link rel='up' href='$EXTERNAL_UP_LINK'"
. ($EXTERNAL_UP_TITLE
? " title='$EXTERNAL_UP_TITLE'" : '')
. " />\n");
}
$the_title .= '<div class="titlepage">';
if ($TITLE_PAGE_GRAPHIC) {
if ($TITLE_PAGE_GRAPHIC_ON_RIGHT) {
$the_title .= ("\n<table border=\"0\" width=\"100%\">"
. "<tr align=\"right\">\n<td>"
. make_my_titlepage()
. "</td>\n"
. make_my_titlegraphic()
. "</tr>\n</table>");
}
else {
$the_title .= ("\n<table border=\"0\" width=\"100%\"><tr>\n"
. make_my_titlegraphic()
. "<td>"
. make_my_titlepage()
. "</td></tr>\n</table>");
}
}
else {
$the_title .= ("\n<div class='center'>"
. make_my_titlepage()
. "\n</div>");
}
$the_title .= "\n</div>";
return $the_title . $_;
}
#
# Module synopsis support
#
require SynopsisTable;
sub get_chapter_id(){
my $id = do_cmd_thechapter('');
$id =~ s/<SPAN CLASS="arabic">(\d+)<\/SPAN>/$1/;
$id =~ s/\.//;
return $id;
}
# 'chapter' => 'SynopsisTable instance'
%ModuleSynopses = ();
sub get_synopsis_table($){
my $chap = $_[0];
my $key;
foreach $key (keys %ModuleSynopses) {
if ($key eq $chap) {
return $ModuleSynopses{$chap};
}
}
my $st = SynopsisTable->new();
$ModuleSynopses{$chap} = $st;
return $st;
}
sub do_cmd_moduleauthor{
local($_) = @_;
next_argument();
next_argument();
return $_;
}
sub do_cmd_sectionauthor{
local($_) = @_;
next_argument();
next_argument();
return $_;
}
sub do_cmd_declaremodule{
local($_) = @_;
my $key = next_optional_argument();
my $type = next_argument();
my $name = next_argument();
my $st = get_synopsis_table(get_chapter_id());
#
$key = $name unless $key;
$type = 'built-in' if $type eq 'builtin';
$st->declare($name, $key, $type);
define_module($type, $name);
return anchor_label("module-$key",$CURRENT_FILE,$_)
}
sub do_cmd_modulesynopsis{
local($_) = @_;
my $st = get_synopsis_table(get_chapter_id());
$st->set_synopsis($THIS_MODULE, translate_commands(next_argument()));
return $_;
}
sub do_cmd_localmoduletable{
local($_) = @_;
my $chap = get_chapter_id();
my $st = get_synopsis_table($chap);
$st->set_file("$CURRENT_FILE");
return "<tex2html-localmoduletable><$chap>\\tableofchildlinks[off]" . $_;
}
sub process_all_localmoduletables(){
my $key;
foreach $key (keys %ModuleSynopses) {
my $st = $ModuleSynopses{$key};
my $file = $st->get_file();
if ($file) {
process_localmoduletables_in_file($file);
}
else {
print "\nsynopsis table $key has no file association\n";
}
}
}
sub process_localmoduletables_in_file($){
my $file = $_[0];
open(MYFILE, "<$file");
local($_);
sysread(MYFILE, $_, 1024*1024);
close(MYFILE);
# need to get contents of file in $_
while (/<tex2html-localmoduletable><(\d+)>/) {
my $match = $&;
my $chap = $1;
my $st = get_synopsis_table($chap);
my $data = $st->tohtml();
s/$match/$data/;
}
open(MYFILE,">$file");
print MYFILE $_;
close(MYFILE);
}
sub process_python_state(){
process_all_localmoduletables();
process_grammar_files();
}
#
# "See also:" -- references placed at the end of a \section
#
sub do_env_seealso{
return ("<div class=\"seealso\">\n "
. "<p class=\"heading\">See Also:</p>\n"
. $_[0]
. '</div>');
}
sub do_env_seealsostar{
return ("<div class=\"seealso-simple\">\n "
. $_[0]
. '</div>');
}
sub do_cmd_seemodule{
# Insert the right magic to jump to the module definition. This should
# work most of the time, at least for repeat builds....
local($_) = @_;
my $key = next_optional_argument();
my $module = next_argument();
my $text = next_argument();
my $period = '.';
$key = $module
unless $key;
if ($text =~ /\.$/) {
$period = '';
}
return ('<dl compact="compact" class="seemodule">'
. "\n <dt>Module <b><tt class=\"module\">"
. "<a href=\"module-$key.html\">$module</a></tt>:</b>"
. "\n <dd>$text$period\n </dl>"
. $_);
}
sub strip_html_markup($){
my $str = $_[0];
my $s = "$str";
$s =~ s/<[a-zA-Z0-9]+(\s+[a-zA-Z0-9]+(\s*=\s*(\'[^\']*\'|\"[^\"]*\"|[a-zA-Z0-9]+))?)*\s*>//g;
$s =~ s/<\/[a-zA-Z0-9]+>//g;
return $s;
}
sub handle_rfclike_reference($$$){
local($_, $what, $format) = @_;
my $rfcnum = next_argument();
my $title = next_argument();
my $text = next_argument();
my $url = get_rfc_url($rfcnum, $format);
my $icon = get_link_icon($url);
my $attrtitle = strip_html_markup($title);
return '<dl compact="compact" class="seerfc">'
. "\n <dt><a href=\"$url\""
. "\n title=\"$attrtitle\""
. "\n >$what $rfcnum, <em>$title</em>$icon</a>"
. "\n <dd>$text\n </dl>"
. $_;
}
sub do_cmd_seepep{
return handle_rfclike_reference($_[0], "PEP", $PEP_FORMAT);
}
sub do_cmd_seerfc{
# XXX Would be nice to add links to the text/plain and PDF versions.
return handle_rfclike_reference($_[0], "RFC", $RFC_FORMAT);
}
sub do_cmd_seetitle{
local($_) = @_;
my $url = next_optional_argument();
my $title = next_argument();
my $text = next_argument();
if ($url) {
my $icon = get_link_icon($url);
return '<dl compact="compact" class="seetitle">'
. "\n <dt><em class=\"citetitle\"><a href=\"$url\""
. "\n >$title$icon</a></em></dt>"
. "\n <dd>$text</dd>\n </dl>"
. $_;
}
return '<dl compact="compact" class="seetitle">'
. "\n <dt><em class=\"citetitle\""
. "\n >$title</em></dt>"
. "\n <dd>$text</dd>\n </dl>"
. $_;
}
sub do_cmd_seelink{
local($_) = @_;
my $url = next_argument();
my $linktext = next_argument();
my $text = next_argument();
my $icon = get_link_icon($url);
return '<dl compact="compact" class="seeurl">'
. "\n <dt><a href='$url'"
. "\n >$linktext$icon</a></dt>"
. "\n <dd>$text</dd>\n </dl>"
. $_;
}
sub do_cmd_seeurl{
local($_) = @_;
my $url = next_argument();
my $text = next_argument();
my $icon = get_link_icon($url);
return '<dl compact="compact" class="seeurl">'
. "\n <dt><a href=\"$url\""
. "\n class=\"url\">$url$icon</a></dt>"
. "\n <dd>$text</dd>\n </dl>"
. $_;
}
sub do_cmd_seetext{
local($_) = @_;
my $content = next_argument();
return '<div class="seetext"><p>' . $content . '</p></div>' . $_;
}
#
# Definition list support.
#
sub do_env_definitions{
return '<dl class="definitions">' . $_[0] . "</dl>\n";
}
sub do_cmd_term{
local($_) = @_;
my $term = next_argument();
my($name, $aname, $ahref) = new_link_info();
# could easily add an index entry here...
return "<dt><b>$aname" . $term . "</a></b></dt>\n<dd>" . $_;
}
# Commands listed here have process-order dependencies; these often
# are related to indexing operations.
# XXX Not sure why funclineni, methodlineni, and samp are here.
#
process_commands_wrap_deferred(<<_RAW_ARG_DEFERRED_CMDS_);
declaremodule # [] # {} # {}
funcline # {} # {}
funclineni # {} # {}
memberline # [] # {}
methodline # [] # {} # {}
methodlineni # [] # {} # {}
modulesynopsis # {}
bifuncindex # {}
exindex # {}
indexii # {} # {}
indexiii # {} # {} # {}
indexiv # {} # {} # {} # {}
kwindex # {}
obindex # {}
opindex # {}
stindex # {}
platform # {}
samp # {}
setindexsubitem # {}
withsubitem # {} # {}
_RAW_ARG_DEFERRED_CMDS_
$alltt_start = '<div class="verbatim"><pre>';
$alltt_end = '</pre></div>';
sub do_env_alltt{
local ($_) = @_;
local($closures,$reopens,@open_block_tags);
# get the tag-strings for all open tags
local(@keep_open_tags) = @$open_tags_R;
($closures,$reopens) = &preserve_open_tags() if (@$open_tags_R);
# get the tags for text-level tags only
$open_tags_R = [ @keep_open_tags ];
local($local_closures, $local_reopens);
($local_closures, $local_reopens,@open_block_tags)
= &preserve_open_block_tags
if (@$open_tags_R);
$open_tags_R = [ @open_block_tags ];
do {
local($open_tags_R) = [ @open_block_tags ];
local(@save_open_tags) = ();
local($cnt) = ++$global{'max_id'};
$_ = join('',"$O$cnt$C\\tt$O", ++$global{'max_id'}, $C
, $_ , $O, $global{'max_id'}, "$C$O$cnt$C");
$_ = &translate_environments($_);
$_ = &translate_commands($_) if (/\\/);
# remove spurious <BR> someone sticks in; not sure where they
# actually come from
# XXX the replacement space is there to accomodate something
# broken that inserts a space in front of the first line of
# the environment
s/<BR>/ /gi;
$_ = join('', $closures, $alltt_start, $local_reopens
, $_
, &balance_tags() #, $local_closures
, $alltt_end, $reopens);
undef $open_tags_R; undef @save_open_tags;
};
$open_tags_R = [ @keep_open_tags ];
return codetext($_);
}
# List of all filenames produced by do_cmd_verbatiminput()
%VerbatimFiles = ();
@VerbatimOutputs = ();
sub get_verbatim_output_name($){
my $file = $_[0];
#
# Re-write the source filename to always use a .txt extension
# so that Web servers will present it as text/plain. This is
# needed since there is no other even moderately reliable way
# to get the right Content-Type header on text files for
# servers which we can't configure (like python.org mirrors).
#
if (defined $VerbatimFiles{$file}) {
# We've seen this one before; re-use the same output file.
return $VerbatimFiles{$file};
}
my($srcname, $srcdir, $srcext) = fileparse($file, '\..*');
$filename = "$srcname.txt";
#
# We need to determine if our default filename is already
# being used, and find a new one it it is. If the name is in
# used, this algorithm will first attempt to include the
# source extension as part of the name, and if that is also in
# use (if the same file is included multiple times, or if
# another source file has that as the base name), a counter is
# used instead.
#
my $found = 1;
FIND:
while ($found) {
foreach $fn (@VerbatimOutputs) {
if ($fn eq $filename) {
if ($found == 1) {
$srcext =~ s/^[.]//; # Remove '.' from extension
$filename = "$srcname-$srcext.txt";
}
else {
$filename = "$srcname-$found.txt";
}
++$found;
next FIND;
}
}
$found = 0;
}
push @VerbatimOutputs, $filename;
$VerbatimFiles{$file} = $filename;
return $filename;
}
sub do_cmd_verbatiminput{
local($_) = @_;
my $fname = next_argument();
my $file;
my $found = 0;
my $texpath;
# Search TEXINPUTS for the input file, the way we're supposed to:
foreach $texpath (split /$envkey/, $TEXINPUTS) {
$file = "$texpath$dd$fname";
last if ($found = (-f $file));
}
my $filename = '';
my $text;
if ($found) {
open(MYFILE, "<$file") || die "\n$!\n";
read(MYFILE, $text, 1024*1024);
close(MYFILE);
$filename = get_verbatim_output_name($file);
# Now that we have a filename, write it out.
open(MYFILE, ">$filename");
print MYFILE $text;
close(MYFILE);
#
# These rewrites convert the raw text to something that will
# be properly visible as HTML and also will pass through the
# vagaries of conversion through LaTeX2HTML. The order in
# which the specific rewrites are performed is significant.
#
$text =~ s/\&/\&/g;
# These need to happen before the normal < and > re-writes,
# since we need to avoid LaTeX2HTML's attempt to perform
# ligature processing without regard to context (since it
# doesn't have font information).
$text =~ s/--/-&\#45;/g;
$text =~ s/<</\<\&\#60;/g;
$text =~ s/>>/\>\&\#62;/g;
# Just normal re-writes...
$text =~ s/</\</g;
$text =~ s/>/\>/g;
# These last isn't needed for the HTML, but is needed to get
# past LaTeX2HTML processing TeX macros. We use \ instead
# of / since many browsers don't support that.
$text =~ s/\\/\&\#92;/g;
}
else {
return '<b>Could not locate requested file <i>$fname</i>!</b>\n';
}
my $note = 'Download as text.';
if ($file ne $filename) {
$note = ('Download as text (original file name: <span class="file">'
. $fname
. '</span>).');
}
return ("<div class=\"verbatim\">\n<pre>"
. $text
. "</pre>\n<div class=\"footer\">\n"
. "<a href=\"$filename\" type=\"text/plain\""
. ">$note</a>"
. "\n</div></div>"
. $_);
}
1; # This must be the last line