gecko-dev/webtools/bonsai/cvsblame.cgi

797 строки
22 KiB
Perl
Executable File

#!/usr/bonsaitools/bin/perl -w
# cvsblame.cgi -- cvsblame with logs as popups and allowing html in comments.
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Netscape Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/NPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bonsai CVS tool.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s):
# Created: Steve Lamm <slamm@netscape.com>, 12-Sep-97.
# Modified: Marc Byrd <byrd@netscape.com> , 19971030.
#
# Arguments (passed via GET or POST):
# file - path to file name (e.g. ns/cmd/xfe/Makefile)
# root - cvs root (e.g. /warp/webroot)
# - default includes /m/src/ and /h/rodan/cvs/repository/1.0
# rev - revision (default is the latest version)
# line_nums - boolean for line numbers on/off (use 1,0).
# (1,on by default)
# use_html - boolean for html comments on/off (use 1,0).
# (0,off by default)
# sanitize - path to sanitization dictionary
# (e.g. /warp2/webdoc/projects/bonsai/dictionary/sanitization.db)
# mark - highlight a line
#
use diagnostics;
use strict;
# Shut up misguided -w warnings about "used only once". "use vars" just
# doesn't work for me.
sub sillyness {
my $zz;
$zz = $::progname;
$zz = $::revision_ctime;
$zz = $::revision_log;
}
require 'CGI.pl';
require 'cvsblame.pl';
use SourceChecker;
# Cope with the cookie and print the header, first thing. That way, if
# any errors result, they will show up for the user.
print "Content-Type:text/html\n";
if ($ENV{REQUEST_METHOD} eq 'POST' and defined $::FORM{set_line}) {
# Expire the cookie 5 months from now
print "Set-Cookie: line_nums=$::FORM{set_line}; expires="
. toGMTString(time + 86400 * 152) . "; path=/\n";
}
print "\n";
# Some Globals
#
my $Head = 'CVS Blame';
my $SubHead = '';
my @src_roots = getRepositoryList();
# Layers are supported only by Netscape 4.
# The DOM standards are supported by Mozilla and IE 5 or above. It should
# also be supported by any browser claiming "Mozilla/5" or above.
my ($use_layers, $use_dom) = 0;
if (defined $ENV{HTTP_USER_AGENT}) {
my $user_agent = $ENV{HTTP_USER_AGENT};
if ($user_agent =~ m@^Mozilla/4.@ && $user_agent !~ /MSIE/) {
$use_layers = 1;
} elsif ($user_agent =~ m@MSIE (\d+)@) {
$use_dom = 1 if $1 >= 5;
} elsif ($user_agent =~ m@^Mozilla/(\d+)@) {
$use_dom = 1 if $1 >= 5;
}
}
# Init sanitiazation source checker
#
my $sanitization_dictionary = $::FORM{sanitize};
my $opt_sanitize = defined $sanitization_dictionary;
if ( $opt_sanitize )
{
dbmopen %SourceChecker::token_dictionary, "$sanitization_dictionary", 0664;
}
# Init byrd's 'feature' to allow html in comments
#
my $opt_html_comments = &html_comments_init();
# Handle the "file" argument
#
my $filename = '';
$filename = $::FORM{file} if defined $::FORM{file};
if ($filename eq '')
{
&print_usage;
exit;
}
my ($file_head, $file_tail) = $filename =~ m@(.*/)?(.+)@;
# Handle the "rev" argument
#
$::opt_rev = '';
$::opt_rev = $::FORM{rev} if defined $::FORM{rev} and $::FORM{rev} ne 'HEAD';
my $browse_revtag = 'HEAD';
$browse_revtag = $::opt_rev if ($::opt_rev =~ /[A-Za-z]/);
my $revision = '';
# Handle the "root" argument
#
my $root = $::FORM{root};
if (defined $root and $root ne '') {
$root =~ s|/$||;
validateRepository($root);
if (-d $root) {
unshift(@src_roots, $root);
} else {
&print_top;
print "Error: Root, $root, is not a directory.<BR><BR>\n";
print "</BODY></HTML>\n";
&print_bottom;
exit;
}
}
# Find the rcs file
#
my $rcs_filename;
my $found_rcs_file = 0;
foreach (@src_roots) {
$root = $_;
$rcs_filename = "$root/$filename,v";
$rcs_filename = Fix_BonsaiLink($rcs_filename);
$found_rcs_file = 1, last if -r $rcs_filename;
$rcs_filename = "$root/${file_head}Attic/$file_tail,v";
$found_rcs_file = 1, last if -r $rcs_filename;
}
unless ($found_rcs_file) {
&print_top;
print "Rcs file, $filename, doeHs not exist.<pre>rcs_filename => '$rcs_filename'\nroot => '$root'</pre><BR><BR>\n";
print "</BODY></HTML>\n";
&print_bottom;
exit;
}
my $rcs_path;
($rcs_path) = $rcs_filename =~ m@$root/(.*)/.+?,v@;
CheckHidden($rcs_filename);
# Parse the rcs file ($::opt_rev is passed as a global)
#
$revision = &parse_cvs_file($rcs_filename);
my $file_rev = $revision;
my @text = &extract_revision($revision);
die "$::progname: Internal consistency error" if $#text != $#::revision_map;
# Raw data opt (so other scripts can parse and play with the data)
&print_raw_data, exit if defined $::FORM{data};
# Handle the "line_nums" argument
#
my $opt_line_nums = 1;
if (defined $::COOKIE{line_nums}) {
$opt_line_nums = 1 if $::COOKIE{line_nums} eq 'on';
}
if (defined $::FORM{line_nums}) {
$opt_line_nums = 0 if $::FORM{line_nums} =~ /off|no|0/i;
$opt_line_nums = 1 if $::FORM{line_nums} =~ /on|yes|1/i;
}
# Option to make links to included files
my $opt_includes = 0;
$opt_includes = 1 if defined $::FORM{includes} and
$::FORM{includes} =~ /on|yes|1/i;
$opt_includes = 1 if $opt_includes and $file_tail =~ /(.c|.h|.cpp)$/;
my $use_html = 0;
$use_html = 1 if defined $::FORM{use_html} and $::FORM{use_html} eq '1';
# Handle the "mark" argument
#
my %mark_line;
my $mark_arg = '';
$mark_arg = $::FORM{mark} if defined $::FORM{mark};
foreach my $mark (split ',', $mark_arg) {
my ($begin, $end);
if (($begin, $end) = $mark =~ /(\d*)\-(\d*)/) {
$begin = 1 if $begin eq '';
$end = $#text + 1 if $end eq '' or $end > $#text + 1;
next if $begin >= $end;
$mark_line{$begin} = 'begin';
$mark_line{$end} = 'end';
} else {
$mark_line{$mark} = 'single';
}
}
# Start printing out the page
#
&print_top;
print Param('bannerhtml', 1);
# Print link at top for directory browsing
#
print q(
<TABLE BORDER=0 CELLPADDING=5 CELLSPACING=0 WIDTH="100%">
<TR>
<TD ALIGN=LEFT VALIGN=CENTER>
<NOBR><FONT SIZE="+2"><B>
CVS Blame
</B></FONT></NOBR>
<BR><B>
);
my $link_path = "";
foreach my $path (split('/',$rcs_path)) {
# Customize this translation
$link_path .= url_encode2($path).'/';
my $lxr_path = Fix_LxrLink($link_path);
print "<A HREF='$lxr_path'>$path</a>/ ";
}
my $lxr_path = Fix_LxrLink("$link_path$file_tail");
print "<A HREF='$lxr_path'>$file_tail</a> ";
print " (<A HREF='cvsblame.cgi?file=$filename&rev=$revision&root=$root'";
print " onmouseover='return log(event,\"$::prev_revision{$revision}\",\"$revision\");'" if $use_layers;
print " onmouseover=\"showMessage('$revision','top')\" id=\"line_top\"" if $use_dom;
print ">";
print "$browse_revtag:" unless $browse_revtag eq 'HEAD';
print $revision if $revision;
print "</A>)";
print qq(
</B>
</TD>
<TD ALIGN=RIGHT VALIGN=TOP WIDTH="1%">
<TABLE BORDER CELLPADDING=10 CELLSPACING=0>
<TR>
<TD NOWRAP BGCOLOR="#FAFAFA">
<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0>
<TR>
<TD NOWRAP>
<A HREF="$lxr_path">LXR: Cross Reference</A>
</TD>
</TR><TR>
<TD NOWRAP>
<A HREF="cvslog.cgi?file=$filename">Full Change Log</A>
</TD>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
</TD>
</TR>
</TABLE>
);
my $open_table_tag =
'<TABLE BORDER=0 CELLPADDING=0 CELLSPACING=0 WIDTH="100%">';
print "$open_table_tag<TR><TD colspan=3><PRE>";
# Print each line of the revision, preceded by its annotation.
#
my $count = $#::revision_map;
if ($count == 0) {
$count = 1;
}
my $line_num_width = int(log($count)/log(10)) + 1;
my $revision_width = 3;
my $author_width = 5;
my $line = 0;
my %usedlog;
$usedlog{$revision} = 1;
my $old_revision = 0;
my $row_color = '';
my $lines_in_table = 0;
my $inMark = 0;
my $rev_count = 0;
foreach $revision (@::revision_map)
{
my $text = $text[$line++];
$usedlog{$revision} = 1;
$lines_in_table++;
if ($opt_html_comments) {
# Don't escape HTML in C/C++ comments
$text = &leave_html_comments($text);
} elsif ( $opt_sanitize ){
# Mark filty words and Escape HTML meta-characters
$text = markup_line($text);
} else {
$text =~ s/&/&amp;/g;
$text =~ s/</&lt;/g;
$text =~ s/>/&gt;/g;
}
# Add a link to traverse to included files
$text = &link_includes($text) if $opt_includes;
my $output = '';
# Highlight lines
my $mark_cmd;
if (defined($mark_cmd = $mark_line{$line}) and $mark_cmd ne 'end') {
$output .= '</TD></TR><TR><TD BGCOLOR=LIGHTGREEN WIDTH="100%"><PRE>';
$inMark = 1;
}
if ($old_revision ne $revision and $line != 1) {
if ($row_color eq '') {
$row_color=' BGCOLOR="#e7e7e7"';
} else {
$row_color='';
}
if (not $inMark) {
if ($lines_in_table > 100) {
$output .= "</TD></TR></TABLE>$open_table_tag<TR><TD colspan=3$row_color><PRE>";
$lines_in_table=0;
} else {
$output .= "</TD></TR><TR><TD colspan=3$row_color><PRE>";
}
}
} elsif ($lines_in_table > 200 and not $inMark) {
$output .= "</TD></TR></TABLE>$open_table_tag<TR><TDcolspan=3$row_color><PRE>";
$lines_in_table=0;
}
$output .= "<A NAME=$line></A>";
$output .= sprintf("%${line_num_width}s ", $line) if $opt_line_nums;
if ($old_revision ne $revision or $rev_count > 20) {
$revision_width = max($revision_width,length($revision));
# $output .= "<A HREF=\"cvsblame.cgi?file=$filename&rev=$revision&root=$root\"";
if (defined $::prev_revision{$revision}) {
$output .= "<A HREF=\"cvsview2.cgi?diff_mode=context&whitespace_mode=show&root=$root&subdir=$rcs_path&command=DIFF_FRAMESET&file=$file_tail&rev2=$revision&rev1=$::prev_revision{$revision}\"";
} else {
$output .= "<A HREF=\"cvsview2.cgi?root=$root&subdir=$rcs_path&command=DIRECTORY&files=$file_tail\"";
$::prev_revision{$revision} = '';
}
$output .= " onmouseover='return log(event,\"$::prev_revision{$revision}\",\"$revision\");'" if $use_layers;
$output .= " onmouseover=\"showMessage('$revision','$line')\" id=\"line_$line\"" if $use_dom;
$output .= ">";
my $author = $::revision_author{$revision};
$author =~ s/%.*$//;
$author_width = max($author_width,length($author));
$output .= sprintf("%-${author_width}s ", $author);
$output .= "$revision</A> ";
$output .= ' ' x ($revision_width - length($revision));
$old_revision = $revision;
$rev_count = 0;
} else {
$output .= ' ' . ' ' x ($author_width + $revision_width);
}
$rev_count++;
$output .= "$text";
# Close the highlighted section
if (defined $mark_cmd and $mark_cmd ne 'begin') {
chop($output);
$output .= "</TD></TR><TR><TD colspan=3$row_color><PRE>";
$inMark = 0;
}
print $output;
}
print "</TD></TR></TABLE>\n";
if ($use_layers || $use_dom) {
# Write out cvs log messages as a JS variables
# or hidden <div>'s
print "<SCRIPT>" if $use_layers;
while (my ($revision, $junk) = each %usedlog) {
# Create a safe variable name for a revision log
my $revisionName = $revision;
$revisionName =~ tr/./_/;
my $log = $::revision_log{$revision};
$log =~ s/([^\n\r]{80})([^\n\r]*)/$1\n$2/g;
$log = MarkUpText($log);
$log =~ s/\n|\r|\r\n/<BR>/g;
$log =~ s/"/\\"/g if $use_layers;
# Write JavaScript variable for log entry (e.g. log1_1 = "New File")
my $author = $::revision_author{$revision};
$author =~ tr/%/@/;
my $author_email = EmailFromUsername($author);
print "<div id=\"rev_$revision\" class=\"log_msg\" style=\"display:none\">" if $use_dom;
print "log$revisionName = \"" if $use_layers;
print "<b>$revision</b> &lt;<a href='mailto:$author_email'>$author</a>&gt;"
." <b>$::revision_ctime{$revision}</b><BR>"
."<SPACER TYPE=VERTICAL SIZE=5>$log";
print "\";\n" if $use_layers;
print "</div>\n" if $use_dom;
}
print "</SCRIPT>";
}
&print_bottom;
if ( $opt_sanitize )
{
dbmclose %SourceChecker::token_dictionary;
}
## END of main script
sub max {
my ($a, $b) = @_;
return ($a > $b ? $a : $b);
}
sub print_top {
my ($title_text) = "for $file_tail (";
$title_text .= "$browse_revtag:" unless $browse_revtag eq 'HEAD';
$title_text .= $revision if $revision;
$title_text .= ")";
$title_text =~ s/\(\)//;
$| = 1;
print "<HTML><HEAD><TITLE>CVS Blame $title_text</TITLE>";
print <<__TOP__ if $use_layers;
<SCRIPT>
var event = 0; // Nav3.0 compatibility
document.loaded = false;
function finishedLoad() {
if (parseInt(navigator.appVersion) < 4 ||
navigator.userAgent.toLowerCase().indexOf("msie") != -1) {
return true;
}
document.loaded = true;
document.layers['popup'].visibility='hide';
return true;
}
function revToName (rev) {
revName = rev + "";
revArray = revName.split(".");
return revArray.join("_");
}
function log(event, prev_rev, rev) {
if (parseInt(navigator.appVersion) < 4 ||
navigator.userAgent.toLowerCase().indexOf("msie") != -1) {
return true;
}
var l = document.layers['popup'];
var guide = document.layers['popup_guide'];
if (event.target.text.length > max_link_length) {
max_link_length = event.target.text.length;
guide.document.write("<PRE>" + event.target.text);
guide.document.close();
popup_offset = guide.clip.width;
}
if (document.loaded) {
l.document.write("<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=3><TR><TD BGCOLOR=#F0A000>");
l.document.write("<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=6><TR><TD BGCOLOR=#FFFFFF><tt>");
l.document.write(eval("log" + revToName(rev)) + "</TD></TR></TABLE>");
l.document.write("</td></tr></table>");
l.document.close();
}
if(event.target.y > window.innerHeight + window.pageYOffset - l.clip.height) {
l.top = (window.innerHeight + window.pageYOffset - (l.clip.height + 15));
} else {
l.top = event.target.y - 9;
}
l.left = event.target.x + popup_offset;
l.visibility="show";
return true;
}
file_tail = "$file_tail";
popup_offset = 5;
max_link_length = 0;
initialLayer = "<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=3><TR><TD BGCOLOR=#F0A000><TABLE BORDER=0 CELLSPACING=0 CELLPADDING=6><TR><TD BGCOLOR=#FFFFFF><B>Page loading...please wait.</B></TD></TR></TABLE></td></tr></table>";
</SCRIPT>
</HEAD>
<BODY onLoad="finishedLoad();" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000EE" VLINK="#551A8B" ALINK="#F0A000">
<LAYER SRC="javascript:initialLayer" NAME='popup' onMouseOut="this.visibility='hide';" LEFT=0 TOP=0 BGCOLOR='#FFFFFF' VISIBILITY='hide'></LAYER>
<LAYER SRC="javascript:initialLayer" NAME='popup_guide' onMouseOut="this.visibility='hide';" LEFT=0 TOP=0 VISIBILITY='hide'></LAYER>
__TOP__
print <<__TOP__ if $use_dom;
<script language="JavaScript">
var r
function showMessage(rev,line) {
if (r) {
r.style.display='none'
}
r = document.getElementById('rev_'+rev)
var l = document.getElementById('line_'+line)
var t = l.offsetTop
var p = l.offsetParent
while (p.tagName != 'BODY') {
t = t + p.offsetTop
p = p.offsetParent
}
r.style.top = t
r.style.left = l.offsetLeft + l.offsetWidth + 20
r.style.display=''
}
function hideMessage() {
if (r) {
r.style.display='none'
}
}
</script>
<style type="text/css">
body {
background-color: white;
color: black;
}
a:link {
color: blue;
}
a:visited {
color: purple;
}
a:active {
color: orange;
}
.log_msg {
border-style: solid;
border-color: #F0A000;
background-color: #FFFFFF;
padding: 5;
position: absolute;
}
</style>
<body onclick="hideMessage()">
__TOP__
print '<BODY BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000EE" VLINK="#551A8B" ALINK="#F0A000">' if not ($use_layers || $use_dom);
} # print_top
sub print_usage {
my ($linenum_message) = '';
my ($new_linenum, $src_roots_list);
my ($title_text) = "Usage";
if ($ENV{REQUEST_METHOD} eq 'POST' and defined $::FORM{set_line}) {
# Expire the cookie 5 months from now
my $set_cookie = "Set-Cookie: line_nums=$::FORM{set_line}; expires="
.&toGMTString(time + 86400 * 152)."; path=/";
# XXX Hey, nothing is done with this handy cookie string! ### XXX
}
if ( not defined $::COOKIE{line_nums} and not defined $::FORM{set_line}) {
$new_linenum = 'on';
} elsif ($::COOKIE{line_nums} eq 'off' or $::FORM{set_line} eq 'off') {
$linenum_message = 'Line numbers are currently <b>off</b>.';
$new_linenum = 'on';
} else {
$linenum_message = 'Line numbers are currently <b>on</b>.';
$new_linenum = 'off';
}
$src_roots_list = join('<BR>', @src_roots);
print <<__USAGE__;
<HTML>
<HEAD>
<TITLE>CVS Blame $title_text</TITLE>
</HEAD><BODY>
<H2>CVS Blame Usage</H2>
Add parameters to the query string to view a file.
<P>
<TABLE BORDER CELLPADDING=3>
<TR ALIGN=LEFT>
<TH>Param</TH>
<TH>Default</TH>
<TH>Example</TH>
<TH>Description</TH>
</TR><TR>
<TD>file</TD>
<TD>--</TD>
<TD>ns/cmd/Makefile</TD>
<TD>path to file name</TD>
</TR><TR>
<TD>root</TD>
<TD>$src_roots_list</TD>
<TD>/warp/webroot</TD>
<TD>cvs root</TD>
</TR><TR>
<TD>rev</TD>
<TD>HEAD</TD>
<TD>1.3
<BR>ACTRA_branch</TD>
<TD>revision</TD>
</TR><TR>
<TD>line_nums</TD>
<TD>on *</TD>
<TD>on
<BR>off</TD>
<TD>line numbers</TD>
</TR><TR>
<TD>#&lt;line_number&gt;</TD>
<TD>--</TD>
<TD>#111</TD>
<TD>jump to a line</TD>
</TR>
</TABLE>
<P>Examples:
<TABLE><TR><TD>&nbsp;</TD><TD>
<A HREF="cvsblame.cgi?file=ns/cmd/Makefile">
cvsblame.cgi?file=ns/cmd/Makefile</A>
</TD></TR><TR><TD>&nbsp;</TD><TD>
<A HREF="cvsblame.cgi?file=ns/cmd/xfe/mozilla.c&rev=Dogbert4xEscalation_BRANCH">
cvsblame.cgi?file=ns/cmd/xfe/mozilla.c&amp;rev=Dogbert4xEscalation_BRANCH</A>
</TD></TR><TR><TD>&nbsp;</TD><TD>
<A HREF="cvsblame.cgi?file=projects/bonsai/cvsblame.cgi&root=/warp/webroot">
cvsblame.cgi?file=projects/bonsai/cvsblame.cgi&root=/warp/webroot</A>
</TD></TR><TR><TD>&nbsp;</TD><TD>
<A HREF="cvsblame.cgi?file=ns/config/config.mk&line_nums=on">
cvsblame.cgi?file=ns/config/config.mk&amp;line_nums=on</A>
</TD></TR><TR><TD>&nbsp;</TD><TD>
<A HREF="cvsblame.cgi?file=ns/cmd/xfe/dialogs.c#2384">
cvsblame.cgi?file=ns/cmd/xfe/dialogs.c#2384</A>
</TD></TR></TABLE>
<P>
You may also begin a query with the <A HREF="cvsqueryform.cgi">CVS Query Form</A>.
<FORM METHOD='POST' ACTION='cvsblame.cgi'>
<TABLE CELLPADDING=0 CELLSPACING=0>
<TR>
<TD>*<SPACER TYPE=HORIZONTAL SIZE=6></TD>
<TD>Instead of the <i>line_nums</i> parameter, you can
<INPUT TYPE=submit value='set a cookie to turn $new_linenum'>
line numbers.</TD>
</TR><TR>
<TD></TD>
<TD>$linenum_message</TD>
</TR></TABLE>
<INPUT TYPE=hidden NAME='set_line' value='$new_linenum'>
</FORM>
__USAGE__
&print_bottom;
} # sub print_usage
sub print_bottom {
my $maintainer = Param('maintainer');
print <<__BOTTOM__;
<HR WIDTH="100%">
<FONT SIZE=-1>
<A HREF="cvsblame.cgi">Page configuration and help</A>.
Mail feedback to <A HREF="mailto:$maintainer?subject=About the cvsblame script">&lt;$maintainer&gt;</A>.
</FONT></BODY>
</HTML>
__BOTTOM__
} # print_bottom
sub print_raw_data {
my %revs_seen = ();
my $prev_rev = $::revision_map[0];
my $count = 0;
for my $rev (@::revision_map) {
if ($prev_rev eq $rev) {
$count++;
} else {
print "$prev_rev:$count\n";
$count = 1;
$prev_rev = $rev;
$revs_seen{$rev} = 1;
}
}
print "$prev_rev:$count\n";
print "REVISION DETAILS\n";
for my $rev (sort keys %revs_seen) {
print "$rev|$::revision_ctime{$rev}|$::revision_author{$rev}|$::revision_log{$rev}.\n";
}
}
sub link_includes {
my ($text) = $_[0];
if ($text =~ /\#(\s*)include(\s*)"(.*?)"/) {
foreach my $trial_root (($rcs_path, 'ns/include',
"$rcs_path/Attic", "$rcs_path/..")) {
if (-r "$root/$trial_root/$3,v") {
$text = "$`#$1include$2\"<A HREF='cvsblame.cgi"
."?root=$root&file=$trial_root/$3&rev=".$browse_revtag
."&use_html=$use_html'>$3</A>\";$'";
last;
}
}
}
return $text;
}
my $in_comments = 0;
my $open_delim;
my $close_delim;
my $expected_delim;
sub html_comments_init {
return 0 unless $use_html;
# Initialization for C comment context switching
$in_comments = 0;
$open_delim = '\/\*';
$close_delim = '\*\/';
# Initialize the next expected delim
$expected_delim = $open_delim;
return 1;
}
sub leave_html_comments {
my ($text) = $_[0];
# Allow HTML in the comments.
#
my $newtext = "";
my $oldtext = $text;
while ($oldtext =~ /(.*$expected_delim)(.*\n)/) {
$a = $1;
$b = $2;
# pay no attention to C++ comments within C comment context
if ($in_comments == 0) {
$a =~ s/</&lt;/g;
$a =~ s/>/&gt;/g;
$expected_delim = $close_delim;
$in_comments = 1;
}
else {
$expected_delim = $open_delim;
$in_comments = 0;
}
$newtext = $newtext . $a;
$oldtext = $b;
}
# Handle thre remainder
if ($in_comments == 0){
$oldtext =~ s/</&lt;/g;
$oldtext =~ s/>/&gt;/g;
}
$text = $newtext . $oldtext;
# Now fix the breakage of <username> stuff on xfe. -byrd
if ($text =~ /(.*)<(.*@.*)>(.*\n)/) {
$text = $1 . "<A HREF=mailto:$2?subject=$filename>$2</A>" . $3;
}
return $text;
}