File: [cvsweb.bsd.lv] / cvsweb / cvsweb.cgi (download)
Revision 3.49, Fri Dec 29 09:12:15 2000 UTC (23 years, 10 months ago) by knu
Changes since 3.48: +5 -5 lines
The use of `do "file"' is obsolete. Use require instead.
|
#!/usr/bin/perl5 -ws
#
# cvsweb - a CGI interface to CVS trees.
#
# Written in their spare time by
# Bill Fenner <fenner@FreeBSD.org> (original work)
# extended by Henner Zeller <zeller@think.de>,
# Henrik Nordstrom <hno@hem.passagen.se>
# Ken Coar <coar@Apache.Org>
# Dick Balaska <dick@buckosoft.com>
# Akinori MUSHA <knu@FreeBSD.org>
# Jens-Uwe Mager <jum@helios.de>
#
# Based on:
# * Bill Fenners cvsweb.cgi revision 1.28 available from:
# http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
#
# Copyright (c) 1996-1998 Bill Fenner
# (c) 1998-1999 Henner Zeller
# (c) 1999 Henrik Nordstrom
# (c) 2000 Akinori MUSHA
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $zId: cvsweb.cgi,v 1.104 2000/11/01 22:05:12 hnordstrom Exp $
# $Id: cvsweb.cgi,v 3.49 2000/12/29 09:12:15 knu Exp $
#
###
use strict;
use vars qw (
$config $allow_version_select $verbose
%CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
@DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
%alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
%symrev %revsym @allrevisions %date %author @revdisplayorder
@revisions %state %difflines %log %branchpoint @revorder
$prcgi @prcategories $prcategories $mancgi
$checkoutMagic $doCheckout $scriptname $scriptwhere
$where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
%funcline_regexp $is_mod_perl
$is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
%input $query $barequery $sortby $bydate $byrev $byauthor
$bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
$mimetype $charset $defaultTextPlain $defaultViewable
$allow_compress $GZIPBIN $backicon $diricon $fileicon
$fullname $newname $cvstreedefault
$body_tag $body_tag_for_src $logo $defaulttitle $address
$long_intro $short_instruction $shortLogLen
$show_author $dirtable $tablepadding $columnHeaderColorDefault
$columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
$hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
$diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
$difffontsize $inputTextSize $mime_types $allow_annotate
$allow_markup $use_java_script $open_extern_window
$extern_window_width $extern_window_height $edit_option_form
$show_subdir_lastmod $show_log_in_markup $v
$navigationHeaderColor $tableBorderColor $markupLogColor
$tabstop $state $annTable $sel $curbranch @HideModules
$module $use_descriptions %descriptions @mytz $dwhere $moddate
$use_moddate $has_zlib $gzip_open $allow_tar
$LOG_FILESEPARATOR $LOG_REVSEPARATOR
);
sub printDiffSelect($);
sub printDiffLinks($$);
sub printLogSortSelect($);
sub findLastModifiedSubdirs(@);
sub htmlify_sub(&$);
sub htmlify($;$);
sub spacedHtmlText($;$);
sub link($$);
sub revcmp($$);
sub fatal($$);
sub redirect($);
sub safeglob($);
sub getMimeTypeFromSuffix($);
sub head($;$);
sub scan_directives(@);
sub doAnnotate($$);
sub doCheckout($$);
sub cvswebMarkup($$$);
sub viewable($);
sub doDiff($$$$$$);
sub getDirLogs($$@);
sub readLog($;$);
sub printLog($;$);
sub doLog($);
sub flush_diff_rows($$$$);
sub human_readable_diff($);
sub navigateHeader($$$$$);
sub plural_write($$);
sub readableTime($$);
sub clickablePath($$);
sub chooseCVSRoot();
sub chooseMirror();
sub fileSortCmp();
sub download_url($$;$);
sub download_link($$$;$);
sub toggleQuery($$);
sub urlencode($);
sub htmlquote($);
sub htmlunquote($);
sub hrefquote($);
sub http_header(;$);
sub html_header($);
sub html_footer();
sub link_tags($);
sub forbidden_module($);
##### Start of Configuration Area ########
use Cwd;
# == EDIT this ==
# Locations to search for user configuration, in order:
for (
$ENV{CVSWEB_CONFIG},
'/usr/local/etc/cvsweb.conf',
getcwd() . '/cvsweb.conf'
) {
$config = $_ if defined($_) && -r $_;
}
# == Configuration defaults ==
# Defaults for configuration variables that shouldn't need
# to be configured..
$allow_version_select = 1;
##### End of Configuration Area ########
######## Configuration variables #########
# These are defined to allow checking with perl -cw
%CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
%tags = %alltags = @tabcolors = ();
$cvstreedefault = $body_tag = $body_tag_for_src =
$logo = $defaulttitle = $address =
$long_intro = $short_instruction = $shortLogLen =
$show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
$columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
$hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
$diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
$difffontsize = $inputTextSize = $mime_types = $allow_annotate =
$allow_markup = $use_java_script = $open_extern_window =
$extern_window_width = $extern_window_height = $edit_option_form =
$show_subdir_lastmod = $show_log_in_markup = $v =
$navigationHeaderColor = $tableBorderColor = $markupLogColor =
$tabstop = $use_moddate = $moddate = $gzip_open = undef;
$LOG_FILESEPARATOR = q/^={77}$/;
$LOG_REVSEPARATOR = q/^-{28}$/;
@DIFFTYPES = qw(h H u c s);
@DIFFTYPES{@DIFFTYPES} = (
{
'descr' => 'colored',
'opts' => [ '-u' ],
'colored' => 1,
},
{
'descr' => 'long colored',
'opts' => [ '--unified=15' ],
'colored' => 1,
},
{
'descr' => 'unified',
'opts' => [ '-u' ],
'colored' => 0,
},
{
'descr' => 'context',
'opts' => [ '-c' ],
'colored' => 0,
},
{
'descr' => 'side by side',
'opts' => [ '--side-by-side', '--width=164' ],
'colored' => 0,
},
);
@LOGSORTKEYS = qw(cvs date rev);
@LOGSORTKEYS{@LOGSORTKEYS} = (
{
'descr' => 'Not sorted',
},
{
'descr' => 'Commit date',
},
{
'descr' => 'Revision',
},
);
##### End of configuration variables #####
use Time::Local;
use IPC::Open2;
# Check if the zlib C library interface is installed, and if yes
# we can avoid using the extra gzip process.
eval {
require Compress::Zlib;
};
$has_zlib = !$@;
$verbose = $v;
$checkoutMagic = "~checkout~";
$pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
$where = $pathinfo;
$where =~ tr|/|/|s;
$doCheckout = ($where =~ /^\/$checkoutMagic/);
$where =~ s|^/($checkoutMagic)?||;
$where =~ s|/$||;
$scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
$scriptname =~ s|^/?|/|;
$scriptname =~ s|/+$||;
$scriptwhere = $scriptname;
if ($where) {
$scriptwhere .= '/' . urlencode($where);
}
$is_mod_perl = defined($ENV{MOD_PERL});
# in lynx, it it very annoying to have two links
# per file, so disable the link at the icon
# in this case:
$Browser = $ENV{HTTP_USER_AGENT} || '';
$is_links = ($Browser =~ m`^Links `);
$is_lynx = ($Browser =~ m`^Lynx/`i);
$is_w3m = ($Browser =~ m`^w3m/`i);
$is_msie = ($Browser =~ m`MSIE`);
$is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
$is_textbased = ($is_links || $is_lynx || $is_w3m);
$nofilelinks = $is_textbased;
# newer browsers accept gzip content encoding
# and state this in a header
# (netscape did always but didn't state it)
# It has been reported that these
# braindamaged MS-Internet Exploders claim that they
# accept gzip .. but don't in fact and
# display garbage then :-/
# Turn off gzip if running under mod_perl and no zlib is available,
# piping does not work as expected inside the server.
$maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
&& $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
|| $is_mozilla3)
&& !$is_msie
&& !($is_mod_perl && !$has_zlib));
# put here the variables we need in order
# to hold our state - they will be added (with
# their current value) to any link/query string
# you construct
@stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
if (-f $config) {
require $config
|| &fatal("500 Internal Error",
sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
$config, &htmlify($@)));
} else {
&fatal("500 Internal Error",
'Configuration not found. Set the variable <code>$config</code> '
. 'in cvsweb.cgi, or the environment variable '
. '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
. 'configuration file first.');
}
undef %input;
$query = $ENV{QUERY_STRING};
if (defined($query) && $query ne '') {
foreach (split(/&/, $query)) {
y/+/ /;
s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted
if (/(\S+)=(.*)/) {
$input{$1} = $2 if ($2 ne "");
}
else {
$input{$_}++;
}
}
}
# For backwards compability, set only_with_tag to only_on_branch if set.
$input{only_with_tag} = $input{only_on_branch}
if (defined($input{only_on_branch}));
$DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
foreach (keys %DEFAULTVALUE)
{
# replace not given parameters with the default parameters
if (!defined($input{$_}) || $input{$_} eq "") {
# Empty Checkboxes in forms return -- nothing. So we define a helper
# variable in these forms (copt) which indicates that we just set
# parameters with a checkbox
if (!defined($input{"copt"})) {
# 'copt' isn't defined --> empty input is not the result
# of empty input checkbox --> set default
$input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
}
else {
# 'copt' is defined -> the result of empty input checkbox
# -> set to zero (disable) if default is a boolean (0|1).
$input{$_} = 0
if (defined($DEFAULTVALUE{$_})
&& ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
}
}
}
$barequery = "";
my @barequery;
foreach (@stickyvars) {
# construct a query string with the sticky non default parameters set
if (defined($input{$_}) && $input{$_} ne '' &&
!(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
push @barequery, join('=', urlencode($_), urlencode($input{$_}));
}
}
# is there any query ?
if (@barequery) {
$barequery = join('&', @barequery);
$query = "?$barequery";
$barequery = "&$barequery";
}
else {
$query = "";
}
undef @barequery;
# get actual parameters
$sortby = $input{"sortby"};
$bydate = 0;
$byrev = 0;
$byauthor = 0;
$bylog = 0;
$byfile = 0;
if ($sortby eq "date") {
$bydate = 1;
}
elsif ($sortby eq "rev") {
$byrev = 1;
}
elsif ($sortby eq "author") {
$byauthor = 1;
}
elsif ($sortby eq "log") {
$bylog = 1;
}
else {
$byfile = 1;
}
$defaultDiffType = $input{'f'};
$logsort = $input{'logsort'};
## Default CVS-Tree
if (!defined($CVSROOT{$cvstreedefault})) {
&fatal("500 Internal Error",
"<code>\$cvstreedefault</code> points to a repository "
. "not defined in <code>%CVSROOT</code> "
. "(edit your configuration file $config)");
}
# alternate CVS-Tree, configured in cvsweb.conf
if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
$cvstree = $input{'cvsroot'};
} else {
$cvstree = $cvstreedefault;
}
$cvsroot = $CVSROOT{$cvstree};
# create icons out of description
my $k;
foreach $k (keys %ICONS) {
no strict 'refs';
my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
if ($ipath) {
${"${k}icon"} = sprintf('<IMG SRC="%s" ALT="%s" BORDER="0" WIDTH="%d" HEIGHT="%d">',
hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight)
}
else {
${"${k}icon"} = $itxt;
}
}
undef $k;
my $config_cvstree = "$config-$cvstree";
# Do some special configuration for cvstrees
if (-f $config_cvstree) {
require $config_cvstree
|| &fatal("500 Internal Error",
sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
$config_cvstree, &htmlify($@)));
}
undef $config_cvstree;
$prcategories = '(?:' . join('|', @prcategories) . ')';
$prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
$fullname = $cvsroot . '/' . $where;
$mimetype = &getMimeTypeFromSuffix ($fullname);
$defaultTextPlain = ($mimetype eq "text/plain");
$defaultViewable = $allow_markup && viewable($mimetype);
# search for GZIP if compression allowed
# We've to find out if the GZIP-binary exists .. otherwise
# ge get an Internal Server Error if we try to pipe the
# output through the nonexistent gzip ..
# any more elegant ways to prevent this are welcome!
if ($allow_compress && $maycompress && !$has_zlib) {
foreach (split(/:/, $ENV{PATH})) {
if (-x "$_/gzip") {
$GZIPBIN = "$_/gzip";
last;
}
}
}
if (-d $fullname) {
#
# ensure, that directories always end with (exactly) one '/'
# to allow relative URL's. If they're not, make a redirect.
##
if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
redirect ($scriptwhere . '/' . $query);
}
else {
$where .= '/';
$scriptwhere .= '/';
}
}
if (!-d $cvsroot) {
&fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down. Please try again in a few minutes.');
}
#
# See if the module is in our forbidden list.
#
$where =~ m:([^/]*):;
$module = $1;
if ($module && &forbidden_module($module)) {
&fatal("403 Forbidden", "Access to $where forbidden.");
}
#
# Handle tarball downloads before any headers are output.
#
if ($input{tarball}) {
&fatal("403 Forbidden", "Downloading tarballs is prohibited.")
unless $allow_tar;
$where =~ s,/[^/]*$,,;
$where =~ s,^/,,;
my($basedir) = ($where =~ m,([^/]+)$,);
if ($basedir eq '' || $where eq '') {
&fatal("500 Internal Error", "You cannot download the top level directory.");
}
my $tmpdir = "/tmp/.cvsweb.$$." . int(time);
mkdir($tmpdir, 0700)
or &fatal("500 Internal Error", "Unable to make temporary directory: $!");
my $fatal = '';
do {
chdir $tmpdir
or $fatal = "500 Internal Error", "Unable to cd to temporary directory: $!"
&& last;
my @params = (exists $input{only_with_tag} && length $input{only_with_tag})
? ("-r", $input{only_with_tag}) : ();
system "cvs", "-RlQd", $cvsroot, "co", @params, $where
and $fatal = "500 Internal Error","cvs co failure: $!: $where"
&& last;
chdir "$where/.."
or $fatal = "500 Internal Error","Cannot find expected directory in checkout"
&& last;
$| = 1; # Essential to get the buffering right.
print "Content-type: application/x-gzip\r\n\r\n";
system "tar", "--ignore-failed-read", "--exclude", "CVS", "-zcf", "-", $basedir
and $fatal = "500 Internal Error","tar zc failure: $!: $basedir"
&& last;
chdir $tmpdir
or $fatal = "500 Internal Error","Unable to cd to temporary directory: $!"
&& last;
} while (0);
system "rm", "-rf", $tmpdir if -d $tmpdir;
&fatal($fatal) if $fatal;
exit;
}
##############################
# View a directory
###############################
if (-d $fullname) {
my $dh = do {local(*DH);};
opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
my @dir = readdir($dh);
closedir($dh);
my @subLevelFiles = findLastModifiedSubdirs(@dir)
if ($show_subdir_lastmod);
getDirLogs($cvsroot,$where,@subLevelFiles);
if ($where eq '/') {
html_header($defaulttitle);
$long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
print $long_intro;
}
else {
html_header($where);
print $short_instruction;
}
my $descriptions;
if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
while (<DESC>) {
chomp;
my ($dir,$description) = /(\S+)\s+(.*)/;
$descriptions{$dir} = $description;
}
}
print "<P><a name=\"dirlist\"></a>\n";
# give direct access to dirs
if ($where eq '/') {
chooseMirror();
chooseCVSRoot();
}
else {
print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
$input{only_with_tag};
}
print "<HR NOSHADE>\n";
# Using <MENU> in this manner violates the HTML2.0 spec but
# provides the results that I want in most browsers. Another
# case of layout spooging up HTML.
my $infocols = 0;
if ($dirtable) {
if (defined($tableBorderColor)) {
# Can't this be done by defining the border for the inner table?
print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
}
print "<table width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
$infocols++;
printf '<tr><th align=left bgcolor="%s">',
$byfile ? $columnHeaderColorSorted : $columnHeaderColorDefault;
if ($byfile) {
print 'File';
} else {
print &link('File', sprintf('./%s#dirlist',
&toggleQuery("sortby", "file")));
}
print "</th>";
# do not display the other column-headers, if we do not have any files
# with revision information:
if (scalar(%fileinfo)) {
$infocols++;
printf '<th align=left bgcolor="%s">',
$byrev ? $columnHeaderColorSorted : $columnHeaderColorDefault;
if ($byrev) {
print 'Rev.';
} else {
print &link('Rev.', sprintf('./%s#dirlist',
&toggleQuery("sortby", "rev")));
}
print "</th>";
$infocols++;
printf '<th align=left bgcolor="%s">',
$bydate ? $columnHeaderColorSorted : $columnHeaderColorDefault;
if ($bydate) {
print 'Age';
} else {
print &link('Age', sprintf('./%s#dirlist',
&toggleQuery("sortby", "date")));
}
print "</th>";
if ($show_author) {
$infocols++;
printf '<th align=left bgcolor="%s">',
$byauthor ? $columnHeaderColorSorted : $columnHeaderColorDefault;
if ($byauthor) {
print 'Author';
} else {
print &link('Author', sprintf('./%s#dirlist',
&toggleQuery("sortby", "author")));
}
print "</th>";
}
$infocols++;
printf '<th align=left bgcolor="%s">',
$bylog ? $columnHeaderColorSorted : $columnHeaderColorDefault;
if ($bylog) {
print 'Last log entry';
} else {
print &link('Last log entry', sprintf('./%s#dirlist',
&toggleQuery("sortby", "log")));
}
print "</th>";
}
elsif ($use_descriptions) {
printf '<th align=left bgcolor="%s">', $columnHeaderColorDefault;
print "Description";
$infocols++;
}
print "</tr>\n";
}
else {
print "<menu>\n";
}
my $dirrow = 0;
my $i;
lookingforattic:
for ($i = 0; $i <= $#dir; $i++) {
if ($dir[$i] eq "Attic") {
last lookingforattic;
}
}
if (!$input{'hideattic'} && ($i <= $#dir) &&
opendir($dh, $fullname . "/Attic")) {
splice(@dir, $i, 1,
grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
closedir($dh);
}
my $hideAtticToggleLink = $input{'hideattic'} ? '' :
&link('[Hide]', sprintf('./%s#dirlist',
&toggleQuery ("hideattic")));
# Sort without the Attic/ pathname.
# place directories first
my $attic;
my $url;
my $fileurl;
my $filesexists;
my $filesfound;
foreach (sort { &fileSortCmp } @dir) {
if ($_ eq '.') {
next;
}
# ignore CVS lock and stale NFS files
next if (/^#cvs\.|^,|^\.nfs/);
# Check whether to show the CVSROOT path
next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
# Check whether the module is in the restricted list
next if ($_ && &forbidden_module($_));
# Ignore non-readable files
next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
if (s|^Attic/||) {
$attic = " (in the Attic) " . $hideAtticToggleLink;
}
else {
$attic = "";
}
if ($_ eq '..' || -d "$fullname/$_") {
next if ($_ eq '..' && $where eq '/');
my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
if (defined($fileinfo{$_}));
printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
if ($_ eq '..') {
$url = "../$query";
if ($nofilelinks) {
print $backicon;
}
else {
print &link($backicon, $url);
}
print " ", &link("Previous Directory", $url);
}
else {
$url = urlencode($_) . "/$query";
print "<A NAME=\"$_\"></A>";
if ($nofilelinks) {
print $diricon;
}
else {
print &link($diricon, $url);
}
print " ", &link("$_/", $url), $attic;
if ($_ eq "Attic") {
print " ";
print &link("[Don't hide]", sprintf('./%s#dirlist',
&toggleQuery ("hideattic")));
}
}
# Show last change in dir
if ($filename) {
print "</td><td> </td><td> " if ($dirtable);
if ($date) {
print " <i>", readableTime(time() - $date,0), "</i>";
}
if ($show_author) {
print "</td><td> " if ($dirtable);
print $author;
}
print "</td><td> " if ($dirtable);
$filename =~ s%^[^/]+/%%;
print "$filename/$rev";
print "<BR>" if ($dirtable);
if ($log) {
print " <font size=-1>",
&htmlify(substr($log,0,$shortLogLen));
if (length $log > 80) {
print "...";
}
print "</font>";
}
}
else {
my ($dwhere) = ($where ne "/" ? $where : "") . $_;
if ($use_descriptions && defined $descriptions{$dwhere}) {
print "<TD COLSPAN=", ($infocols-1), "> " if $dirtable;
print $descriptions{$dwhere};
} elsif ($dirtable && $infocols > 1) {
# close the row with the appropriate number of
# columns, so that the vertical seperators are visible
my($cols) = $infocols;
while ($cols > 1) {
print "</td><td> ";
$cols--;
}
}
}
if ($dirtable) {
print "</td></tr>\n";
}
else {
print "<br>\n";
}
$dirrow++;
}
elsif (s/,v$//) {
$fileurl = ($attic ? "Attic/" : "") . urlencode($_);
$url = $fileurl . $query;
my $rev = '';
my $date = '';
my $log = '';
my $author = '';
$filesexists++;
next if (!defined($fileinfo{$_}));
($rev,$date,$log,$author) = @{$fileinfo{$_}};
$filesfound++;
printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
print "<A NAME=\"$_\"></A>";
if ($nofilelinks) {
print $fileicon;
}
else {
print &link($fileicon,$url);
}
print " ", &link($_, $url), $attic;
print "</td><td> " if ($dirtable);
download_link($fileurl,
$rev, $rev,
$defaultViewable ? "text/x-cvsweb-markup" : undef);
print "</td><td> " if ($dirtable);
if ($date) {
print " <i>", readableTime(time() - $date,0), "</i>";
}
if ($show_author) {
print "</td><td> " if ($dirtable);
print $author;
}
print "</td><td> " if ($dirtable);
if ($log) {
print " <font size=-1>", &htmlify(substr($log,0,$shortLogLen));
if (length $log > 80) {
print "...";
}
print "</font>";
}
print "</td>" if ($dirtable);
print (($dirtable) ? "</tr>" : "<br>");
$dirrow++;
}
print "\n";
}
if ($dirtable && defined($tableBorderColor)) {
print "</td></tr></table>";
}
print( $dirtable == 1 ? "</table>\n" : "</menu>\n" );
if ($filesexists && !$filesfound) {
print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
}
if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
%tags = %alltags
}
if (scalar %tags
|| $input{only_with_tag}
|| $edit_option_form
|| defined($input{"options"})) {
print "<hr size=1 NOSHADE>";
}
if (scalar %tags || $input{only_with_tag}) {
print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
foreach my $var (@stickyvars) {
print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
if (defined($input{$var})
&& (!defined($DEFAULTVALUE{$var})
|| $input{$var} ne $DEFAULTVALUE{$var})
&& $input{$var} ne ""
&& $var ne "only_with_tag");
}
print "Show only files with tag:\n";
print "<SELECT NAME=only_with_tag";
print " onchange=\"submit()\"" if ($use_java_script);
print ">";
print "<OPTION VALUE=\"\">All tags / default branch\n";
foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
print "<OPTION",defined($input{only_with_tag}) &&
$input{only_with_tag} eq $tag ? " SELECTED" : "",
">$tag\n";
}
print "</SELECT>\n";
print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
print "</FORM>\n";
}
if ($allow_tar) {
my($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
if ($basefile ne '') {
print "<HR NOSHADE>\n",
"<DIV align=center>",
&link("Download this directory in tarball",
# Mangle the filename so browsers show a reasonable
# filename to download.
"$basefile.tar.gz$query".
($query ? "&" : "?")."tarball=1"),
"</DIV>";
}
}
my $formwhere = $scriptwhere;
$formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
if ($edit_option_form || defined($input{"options"})) {
print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
if ($cvstree ne $cvstreedefault) {
print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
}
print "<center><table cellpadding=0 cellspacing=0>";
print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
print "<tr><td>Sort files by <SELECT name=\"sortby\">";
print "<OPTION VALUE=\"\">File";
print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
if ($show_author);
print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
print "</SELECT></td>";
print "<td>Sort log by: ";
printLogSortSelect(0);
print "</td></tr>";
print "<tr><td>Diff format: ";
printDiffSelect(0);
print "</td>";
print "<td>Show Attic files: ";
print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
"></td></tr>\n";
print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
print "</td></tr></table></center></FORM>\n";
}
print &html_footer;
print "</BODY></HTML>\n";
}
###############################
# View Files
###############################
elsif (-f $fullname . ',v') {
if (defined($input{'rev'}) || $doCheckout) {
&doCheckout($fullname, $input{'rev'});
gzipclose();
exit;
}
if (defined($input{'annotate'}) && $allow_annotate) {
&doAnnotate($input{'annotate'});
gzipclose();
exit;
}
if (defined($input{'r1'}) && defined($input{'r2'})) {
&doDiff($fullname, $input{'r1'}, $input{'tr1'},
$input{'r2'}, $input{'tr2'}, $input{'f'});
gzipclose();
exit;
}
print("going to dolog($fullname)\n") if ($verbose);
&doLog($fullname);
##############################
# View Diff
##############################
}
elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
$input{'r1'} && $input{'r2'}) {
# $where-diff-removal if 'cvs rdiff' is used
# .. but 'cvs rdiff'doesn't support some options
# rcsdiff does (-w and -p), so it is disabled
# $where =~ s/\.diff$//;
# Allow diffs using the ".diff" extension
# so that browsers that default to the URL
# for a save filename don't save diff's as
# e.g. foo.c
&doDiff($fullname, $input{'r1'}, $input{'tr1'},
$input{'r2'}, $input{'tr2'}, $input{'f'});
gzipclose();
exit;
}
elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
-f $newname . ",v") {
# The file has been removed and is in the Attic.
# Send a redirect pointing to the file in the Attic.
(my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
&redirect($newplace);
exit;
}
elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
http_header("text/plain");
print "You matched the following files:\n";
print join("\n", @files);
# Find the tags from each file
# Display a form offering diffs between said tags
}
else {
my $fh = do {local(*FH);};
my ($xtra, $module);
# Assume it's a module name with a potential path following it.
$xtra = (($module = $where) =~ s|/.*||) ? $& : '';
# Is there an indexed version of modules?
if (open($fh, "$cvsroot/CVSROOT/modules")) {
while (<$fh>) {
if (/^(\S+)\s+(\S+)/o && $module eq $1
&& -d "$cvsroot/$2" && $module ne $2) {
&redirect("$scriptname/$2$xtra");
}
}
}
&fatal("404 Not Found","$where: no such file or directory");
}
gzipclose();
## End MAIN
sub printDiffSelect($) {
my ($use_java_script) = @_;
my $f = $input{'f'};
print '<SELECT NAME="f"';
print ' onchange="submit()"' if $use_java_script;
print '>';
local $_;
for (@DIFFTYPES) {
printf('<OPTION VALUE="%s"%s>%s',
$_,
$f eq $_ ? ' SELECTED' : '',
"\u$DIFFTYPES{$_}{'descr'}"
);
}
print "</SELECT>";
}
sub printLogSortSelect($) {
my ($use_java_script) = @_;
print '<SELECT NAME="logsort"';
print ' onchange="submit()"' if $use_java_script;
print '>';
local $_;
for (@LOGSORTKEYS) {
printf('<OPTION VALUE="%s"%s>%s',
$_,
$logsort eq $_ ? ' SELECTED' : '',
"\u$LOGSORTKEYS{$_}{'descr'}"
);
}
print "</SELECT>";
}
sub findLastModifiedSubdirs(@) {
my (@dirs) = @_;
my ($dirname, @files);
foreach $dirname (@dirs) {
next if ($dirname eq ".");
next if ($dirname eq "..");
my ($dir) = "$fullname/$dirname";
next if (!-d $dir);
my ($lastmod) = undef;
my ($lastmodtime) = undef;
my $dh = do {local(*DH);};
opendir($dh,$dir) || next;
my (@filenames) = readdir($dh);
closedir($dh);
foreach my $filename (@filenames) {
$filename = "$dirname/$filename";
my ($file) = "$fullname/$filename";
next if ($filename !~ /,v$/ || !-f $file);
$filename =~ s/,v$//;
my $modtime = -M $file;
if (!defined($lastmod) || $modtime < $lastmodtime) {
$lastmod = $filename;
$lastmodtime = $modtime;
}
}
push(@files, $lastmod) if (defined($lastmod));
}
return @files;
}
sub htmlify_sub(&$) {
(my $proc, local $_) = @_;
local @_ = split(m`(<a [^>]+>[^<]*</a>)`i);
my $linked;
my $result = '';
while (($_, $linked) = splice(@_, 0, 2)) {
&$proc();
$result .= $_ if defined($_);
$result .= $linked if defined($linked);
}
$result;
}
sub htmlify($;$) {
(local $_, my $extra) = @_;
$_ = htmlquote($_);
# get URL's as link
s{
(http|ftp|https)://\S+
}{
&link($&, htmlunquote($&))
}egx;
# get e-mails as link
$_ = htmlify_sub {
s<
[\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
><
&link($&, "mailto:$&")
>egix;
} $_;
if ($extra) {
# get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
if (defined($prcgi)) {
my $prev;
do {
$prev = $_;
$_ = htmlify_sub {
s{
(\bPR[:\#]?\s*
(?:
\#?
\d+[,\s]\s*
)*
\#?)
(\d+)\b
}{
$1 . &link($2, sprintf($prcgi, $2))
}egix;
} $_;
} while ($_ ne $prev);
$_ = htmlify_sub {
s{
(\b$prcategories/(\d+)\b)
}{
&link($1, sprintf($prcgi, $2))
}egox;
} $_;
}
# get manpage specs as link: "foo.1" "foo(1)"
if (defined($mancgi)) {
$_ = htmlify_sub {
s{
(\b([a-zA-Z][\w_.]+)
(?:
\( ([0-9n]) \)\B
|
\.([0-9n])\b
)
)
}{
&link($1, sprintf($mancgi, $3 ne '' ? $3 : $4, $2))
}egx;
} $_;
}
}
$_;
}
sub spacedHtmlText($;$) {
local $_ = $_[0];
my $ts = $_[1] || $tabstop;
# Cut trailing spaces and tabs
s/[ \t]+$//;
if (defined($ts)) {
# Expand tabs
1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
}
# replace <tab> and <space> (\001 is to protect us from htmlify)
# gzip can make excellent use of this repeating pattern :-)
if ($hr_breakable) {
# make every other space 'breakable'
s/ / \001nbsp;/g; # 2 * <space>
# leave single space as it is
} else {
s/ /\001nbsp;/g;
}
$_ = htmlify($_);
# unescape
y/\001/&/;
return $_;
}
sub link($$) {
my($name, $where) = @_;
sprintf '<A HREF="%s">%s</A>', hrefquote($where), $name;
}
sub revcmp($$) {
my($rev1, $rev2) = @_;
# make no comparison for a tag or a branch
return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
my(@r1) = split(/\./, $rev1);
my(@r2) = split(/\./, $rev2);
my($a,$b);
while (($a = shift(@r1)) && ($b = shift(@r2))) {
if ($a != $b) {
return $a <=> $b;
}
}
if (@r1) { return 1; }
if (@r2) { return -1; }
return 0;
}
sub fatal($$) {
my($errcode, $errmsg) = @_;
if ($is_mod_perl) {
Apache->request->status((split(/ /, $errcode))[0]);
}
else {
print "Status: $errcode\r\n";
}
html_header("Error");
print "Error: $errmsg\n";
print &html_footer;
exit(1);
}
sub redirect($) {
my($url) = @_;
if ($is_mod_perl) {
Apache->request->status(301);
Apache->request->header_out(Location => $url);
}
else {
print "Status: 301 Moved\r\n";
print "Location: $url\r\n";
}
html_header("Moved");
print "This document is located ", &link('here', $url), "\n";
print &html_footer;
exit(1);
}
sub safeglob($) {
my ($filename) = @_;
my ($dirname);
my (@results);
my $dh = do {local(*DH);};
($dirname = $filename) =~ s|/[^/]+$||;
$filename =~ s|.*/||;
if (opendir($dh, $dirname)) {
my $glob = $filename;
my $t;
# transform filename from glob to regex. Deal with:
# [, {, ?, * as glob chars
# make sure to escape all other regex chars
$glob =~ s/([\.\(\)\|\+])/\\$1/g;
$glob =~ s/\*/.*/g;
$glob =~ s/\?/./g;
$glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
foreach (readdir($dh)) {
if (/^${glob}$/) {
push(@results, "$dirname/" .$_);
}
}
}
@results;
}
sub getMimeTypeFromSuffix($) {
my ($fullname) = @_;
my ($mimetype, $suffix);
my $fh = do {local(*FH);};
($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
$mimetype = $MTYPES{$suffix};
$mimetype = $MTYPES{'*'} if (!$mimetype);
if (!$mimetype && -f $mime_types) {
# okey, this is something special - search the
# mime.types database
open ($fh, "<$mime_types");
while (<$fh>) {
if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
$mimetype = $1;
last;
}
}
close ($fh);
}
# okey, didn't find anything useful ..
if (!($mimetype =~ /\S\/\S/)) {
$mimetype = "text/plain";
}
return $mimetype;
}
###############################
# read first lines like head(1)
###############################
sub head($;$) {
my $fh = $_[0];
my $linecount = $_[1] || 10;
my @buf;
if ($linecount > 0) {
my $i;
for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
push @buf, scalar <$fh>;
}
} else {
@buf = <$fh>;
}
@buf;
}
###############################
# scan vim and Emacs directives
###############################
sub scan_directives(@) {
my $ts = undef;
for (@_) {
$ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
}
('tabstop' => $ts);
}
###############################
# show Annotation
###############################
sub doAnnotate($$) {
my ($rev) = @_;
my ($pid);
my ($pathname, $filename);
my $reader = do {local(*FH);};
my $writer = do {local(*FH);};
# make sure the revisions a wellformed, for security
# reasons ..
if ($rev =~ /[^\w.]/) {
&fatal("404 Not Found",
"Malformed query \"$ENV{QUERY_STRING}\"");
}
($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
($filename = $where) =~ s/^.*\///;
# this seems to be necessary
$| = 1; $| = 0; # Flush
# this annotate version is based on the
# cvs annotate-demo Perl script by Cyclic Software
# It was written by Cyclic Software, http://www.cyclic.com/, and is in
# the public domain.
# we could abandon the use of rlog, rcsdiff and co using
# the cvsserver in a similiar way one day (..after rewrite)
$pid = open2($reader, $writer, "cvs -Rl server") || fatal ("500 Internal Error",
"Fatal Error - unable to open cvs for annotation");
# OK, first send the request to the server. A simplified example is:
# Root /home/kingdon/zwork/cvsroot
# Argument foo/xx
# Directory foo
# /home/kingdon/zwork/cvsroot/foo
# Directory .
# /home/kingdon/zwork/cvsroot
# annotate
# although as you can see there are a few more details.
print $writer "Root $cvsroot\n";
print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
# Don't worry about sending valid-requests, the server just needs to
# support "annotate" and if it doesn't, there isn't anything to be done.
print $writer "UseUnchanged\n";
print $writer "Argument -r\n";
print $writer "Argument $rev\n";
print $writer "Argument $where\n";
# The protocol requires us to fully fake a working directory (at
# least to the point of including the directories down to the one
# containing the file in question).
# So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
my @dirs = split('/', $where);
my $path = "";
foreach (@dirs) {
if ($path eq "") {
# In our example, $_ is "dir".
$path = $_;
}
else {
print $writer "Directory $path\n";
print $writer "$cvsroot/$path\n";
# In our example, $_ is "sdir" and $path becomes "dir/sdir"
# And the next time, "file" and "dir/sdir/file" (which then gets
# ignored, because we don't need to send Directory for the file).
$path .= "/$_";
}
}
# And the last "Directory" before "annotate" is the top level.
print $writer "Directory .\n";
print $writer "$cvsroot\n";
print $writer "annotate\n";
# OK, we've sent our command to the server. Thing to do is to
# close the writer side and get all the responses. If "cvs server"
# were nicer about buffering, then we could just leave it open, I think.
close ($writer) || die "cannot close: $!";
http_header();
navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
# Ready to get the responses from the server.
# For example:
# E Annotations for foo/xx
# E ***************
# M 1.3 (kingdon 06-Sep-97): hello
# ok
my ($lineNr) = 0;
my ($oldLrev, $oldLusr) = ("", "");
my ($revprint, $usrprint);
if ($annTable) {
print "<table border=0 cellspacing=0 cellpadding=0>\n";
}
else {
print "<pre>";
}
# prefetch several lines
my @buf = head($reader);
my %d = scan_directives(@buf);
while (@buf || !eof($reader)) {
$_ = @buf ? shift @buf : <$reader>;
my @words = split;
# Adding one is for the (single) space which follows $words[0].
my $rest = substr ($_, length ($words[0]) + 1);
if ($words[0] eq "E") {
next;
}
elsif ($words[0] eq "M") {
$lineNr++;
(my $lrev = substr($_, 2, 13)) =~ y/ //d;
(my $lusr = substr($_, 16, 9)) =~ y/ //d;
my $line = substr($_, 36);
my $isCurrentRev = ($rev eq $lrev);
# we should parse the date here ..
if ($lrev eq $oldLrev) {
$revprint = sprintf('%-8s', '');
}
else {
$revprint = sprintf('%-8s', $lrev);
$revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e; # `
$oldLusr = '';
}
if ($lusr eq $oldLusr) {
$usrprint = '';
}
else {
$usrprint = $lusr;
}
$oldLrev = $lrev;
$oldLusr = $lusr;
# Set bold for text-based browsers only - graphical
# browsers show bold fonts a bit wider than regular fonts,
# so it looks irregular.
print "<b>" if ($isCurrentRev && $is_textbased);
printf "%s%s %-8s %4d:",
$revprint,
$isCurrentRev ? '!' : ' ',
$usrprint,
$lineNr;
print spacedHtmlText($line, $d{'tabstop'});
print "</b>" if ($isCurrentRev && $is_textbased);
}
elsif ($words[0] eq "ok") {
# We could complain about any text received after this, like the
# CVS command line client. But for simplicity, we don't.
}
elsif ($words[0] eq "error") {
fatal("500 Internal Error", "Error occured during annotate: <b>$_</b>");
}
}
if ($annTable) {
print "</table>";
}
else {
print "</pre>";
}
close ($reader) || warn "cannot close: $!";
wait;
}
###############################
# make Checkout
###############################
sub doCheckout($$) {
my ($fullname, $rev) = @_;
my ($mimetype,$revopt);
my $fh = do {local(*FH);};
if ($rev eq 'HEAD' || $rev eq '.') {
$rev = undef;
}
# make sure the revisions a wellformed, for security
# reasons ..
if (defined($rev) && $rev =~ /[^\w.]/) {
&fatal("404 Not Found",
"Malformed query \"$ENV{QUERY_STRING}\"");
}
# get mimetype
if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
$mimetype = $input{"content-type"}
}
else {
$mimetype = &getMimeTypeFromSuffix($fullname);
}
if (defined($rev)) {
$revopt = "-r$rev";
if ($use_moddate) {
readLog($fullname,$rev);
$moddate=$date{$rev};
}
}
else {
$revopt = "-rHEAD";
if ($use_moddate) {
readLog($fullname);
$moddate=$date{$symrev{HEAD}};
}
}
### just for the record:
### 'cvs co' seems to have a bug regarding single checkout of
### directories/files having spaces in it;
### this is an issue that should be resolved on cvs's side
#
# Safely for a child process to read from.
if (! open($fh, "-|")) { # child
open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
}
if (eof($fh)) {
&fatal("404 Not Found",
"$where is not (any longer) pertinent");
}
#===================================================================
#Checking out squid/src/ftp.c
#RCS: /usr/src/CVS/squid/src/ftp.c,v
#VERS: 1.1.1.28.6.2
#***************
# Parse CVS header
my ($revision, $filename, $cvsheader);
while(<$fh>) {
last if (/^\*\*\*\*/);
$revision = $1 if (/^VERS: (.*)$/);
if (/^Checking out (.*)$/) {
$filename = $1;
$filename =~ s/^\.\/*//;
}
$cvsheader .= $_;
}
if ($filename ne $where) {
&fatal("500 Internal Error",
"Unexpected output from cvs co: $cvsheader");
}
$| = 1;
if ($mimetype eq "text/x-cvsweb-markup") {
&cvswebMarkup($fh,$fullname,$revision);
}
else {
http_header($mimetype);
print <$fh>;
}
close($fh);
}
sub cvswebMarkup($$$) {
my ($filehandle,$fullname,$revision) = @_;
my ($pathname, $filename);
($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
($filename = $where) =~ s/^.*\///;
my ($fileurl) = urlencode($filename);
http_header();
navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
print "<HR noshade>";
print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
print "File: ", &clickablePath($where, 1);
print " (";
&download_link($fileurl, $revision, "download");
print ")";
if (!$defaultTextPlain) {
print " (";
&download_link($fileurl, $revision, "as text",
"text/plain");
print ")";
}
print "<BR>\n";
if ($show_log_in_markup) {
readLog($fullname); #,$revision);
printLog($revision,0);
}
else {
print "Version: <B>$revision</B><BR>\n";
print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
$input{only_with_tag};
}
print "</td></tr></table>";
my $url = download_url($fileurl, $revision, $mimetype);
print "<HR noshade>";
if ($mimetype =~ /^image/) {
printf '<IMG SRC="%s"><BR>', hrefquote("$url$barequery");
}
elsif ($mimetype =~ m%^application/pdf%) {
printf '<EMBED SRC="%s" WIDTH="100%"><BR>', hrefquote("$url$barequery");
}
else {
print "<PRE>";
# prefetch several lines
my @buf = head($filehandle);
my %d = scan_directives(@buf);
while (@buf || !eof($filehandle)) {
$_ = @buf ? shift @buf : <$filehandle>;
print spacedHtmlText($_, $d{'tabstop'});
}
print "</PRE>";
}
}
sub viewable($) {
my ($mimetype) = @_;
$mimetype =~ m%^((text|image)/|application/pdf)% ;
}
###############################
# Show Colored Diff
###############################
sub doDiff($$$$$$) {
my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
my $fh = do {local(*FH);};
my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
if ($r1 =~ /([^:]+)(:(.+))?/) {
$rev1 = $1;
$sym1 = $3;
}
if ($r1 eq 'text') {
$rev1 = $tr1;
$sym1 = "";
}
if ($r2 =~ /([^:]+)(:(.+))?/) {
$rev2 = $1;
$sym2 = $3;
}
if ($r2 eq 'text') {
$rev2 = $tr2;
$sym2 = "";
}
# make sure the revisions a wellformed, for security
# reasons ..
if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
&fatal("404 Not Found",
"Malformed query \"$ENV{QUERY_STRING}\"");
}
#
# rev1 and rev2 are now both numeric revisions.
# Thus we do a DWIM here and swap them if rev1 is after rev2.
# XXX should we warn about the fact that we do this?
if (&revcmp($rev1,$rev2) > 0) {
my ($tmp1, $tmp2) = ($rev1, $sym1);
($rev1, $sym1) = ($rev2, $sym2);
($rev2, $sym2) = ($tmp1, $tmp2);
}
my $difftype = $DIFFTYPES{$f};
if (!$difftype) {
fatal ("400 Bad arguments", "Diff format $f not understood");
}
my @difftype = @{$difftype->{'opts'}};
my $human_readable = $difftype->{'colored'};
# apply special options
if ($showfunc) {
push @difftype, '-p' if $f ne 's';
my($re1, $re2);
while (($re1, $re2) = each %funcline_regexp) {
if ($fullname =~ /$re1/) {
push @difftype, '-F', '$re2';
last;
}
}
}
if ($human_readable) {
if ($hr_ignwhite) {
push @difftype, '-w';
}
if ($hr_ignkeysubst) {
push @difftype, '-kk';
}
}
if (! open($fh, "-|")) { # child
open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
}
if ($human_readable) {
http_header();
&human_readable_diff($fh, $rev2);
gzipclose();
exit;
}
else {
http_header("text/plain");
}
#
#===================================================================
#RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
#retrieving revision 1.16
#retrieving revision 1.17
#diff -c -r1.16 -r1.17
#*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
#--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17
#
# Ideas:
# - nuke the stderr output if it's what we expect it to be
# - Add "no differences found" if the diff command supplied no output.
#
#*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16
#--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0
# (bogus example, but...)
#
if (grep { $_ eq '-u'} @difftype) {
$f1 = '---';
$f2 = '\+\+\+';
}
else {
$f1 = '\*\*\*';
$f2 = '---';
}
while (<$fh>) {
if (m|^$f1 $cvsroot|o) {
s|$cvsroot/||o;
if ($sym1) {
chop;
$_ .= " $sym1\n";
}
}
elsif (m|^$f2 $cvsroot|o) {
s|$cvsroot/||o;
if ($sym2) {
chop;
$_ .= " $sym2\n";
}
}
print $_;
}
close($fh);
}
###############################
# Show Logs ..
###############################
sub getDirLogs($$@) {
my ($cvsroot,$dirname,@otherFiles) = @_;
my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
my ($rev, $revision, $revwanted, $filename, $head, $author);
$tag = $input{only_with_tag};
my ($DirName) = "$cvsroot/$where";
my (@files, @filetags);
my $fh = do {local(*FH);};
push(@files, &safeglob("$DirName/*,v"));
push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
foreach $file (@otherFiles) {
push(@files, "$DirName/$file");
}
# just execute rlog if there are any files
if ($#files < 0) {
return;
}
if ($tag) {
#can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
if (! open($fh, "-|")) {
open(STDERR, '>/dev/null'); # rlog may complain; ignore.
exec('rlog', @files);
}
}
else {
my $kidpid = open($fh, "-|");
if (! $kidpid) {
open(STDERR, '>/dev/null'); # rlog may complain; ignore.
exec('rlog', '-r', @files);
}
}
$state = "start";
while (<$fh>) {
if ($state eq "start") {
#Next file. Initialize file variables
$rev = undef;
$revwanted = undef;
$branch = undef;
$branchpoint = undef;
$filename = undef;
$log = undef;
$revision = undef;
$branch = undef;
%symrev = ();
@filetags = ();
#jump to head state
$state = "head";
}
print "$state:$_" if ($verbose);
again:
if ($state eq "head") {
#$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
if (/^Working file: (.+)$/) {
$filename = $1;
} elsif (/^head: (.+)$/) {
$head = $1;
} elsif (/^branch: (.+)$/) {
$branch = $1
} elsif (/^symbolic names:/) {
$state = "tags";
($branch = $head) =~ s/\.\d+$// if (!defined($branch));
$branch =~ s/(\d+)$/0.$1/;
$symrev{MAIN} = $branch;
$symrev{HEAD} = $branch;
$alltags{MAIN} = 1;
$alltags{HEAD} = 1;
push (@filetags, "MAIN", "HEAD");
} elsif (/$LOG_REVSEPARATOR/o) {
$state = "log";
$rev = undef;
$date = undef;
$log = "";
# Try to reconstruct the relative filename if RCS spits out a full path
$filename =~ s%^\Q$DirName\E/%%;
}
next;
}
if ($state eq "tags") {
if (/^\s+(.+):\s+([\d\.]+)\s+$/) {
push (@filetags, $1);
$symrev{$1} = $2;
$alltags{$1} = 1;
next;
} elsif (/^\S/) {
if (defined($tag)) {
if(defined($symrev{$tag}) || $tag eq "HEAD") {
$revwanted = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
($branch = $revwanted) =~ s/\b0\.//;
($branchpoint = $branch) =~ s/\.?\d+$//;
$revwanted = undef if ($revwanted ne $branch);
} elsif ($tag ne "HEAD") {
print "Tag not found, skip this file" if ($verbose);
$state = "skip";
next;
}
}
foreach my $tagfound (@filetags) {
$tags{$tagfound} = 1;
}
$state = "head";
goto again;
}
}
if ($state eq "log") {
if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
# End of a log entry.
my $revbranch;
($revbranch = $rev) =~ s/\.\d+$//;
print "$filename $rev Wanted: $revwanted ",
"Revbranch: $revbranch Branch: $branch ",
"Branchpoint: $branchpoint\n" if ($verbose);
if (!defined($revwanted) && defined($branch)
&& $branch eq $revbranch || !defined($tag)) {
print "File revision $rev found for branch $branch\n"
if ($verbose);
$revwanted = $rev;
}
if (defined($revwanted) ? $rev eq $revwanted :
defined($branchpoint) ? $rev eq $branchpoint :
0 && ($rev eq $head)) { # Don't think head is needed here..
print "File info $rev found for $filename\n" if ($verbose);
my @finfo = ($rev,$date,$log,$author,$filename);
my ($name);
($name = $filename) =~ s%/.*%%;
$fileinfo{$name} = [ @finfo ];
$state = "done" if ($rev eq $revwanted);
}
$rev = undef;
$date = undef;
$log = "";
}
elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
my $yr = $1;
# damn 2-digit year routines :-)
if ($yr > 100) {
$yr -= 1900;
}
$date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
($author) = /author: ([^;]+)/;
$state = "log";
$log = '';
next;
}
elsif (!defined($rev) && m/^revision (.*)$/) {
$rev = $1;
next;
}
else {
$log .= $_;
}
}
if (/$LOG_FILESEPARATOR/o) {
$state = "start";
next;
}
}
if ($. == 0) {
fatal("500 Internal Error",
"Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
}
close($fh);
}
sub readLog($;$) {
my($fullname,$revision) = @_;
my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
my $fh = do {local(*FH);};
if (defined($revision)) {
$revision = "-r$revision";
}
else {
$revision = "";
}
undef %symrev;
undef %revsym;
undef @allrevisions;
undef %date;
undef %author;
undef %state;
undef %difflines;
undef %log;
print("Going to rlog '$fullname'\n") if ($verbose);
if (! open($fh, "-|")) { # child
if ($revision ne '') {
exec("rlog",$revision,$fullname);
}
else {
exec("rlog",$fullname);
}
}
while (<$fh>) {
print if ($verbose);
if ($symnames) {
if (/^\s+([^:]+):\s+([\d\.]+)/) {
$symrev{$1} = $2;
}
else {
$symnames = 0;
}
}
elsif (/^head:\s+([\d\.]+)/) {
$head = $1;
}
elsif (/^branch:\s+([\d\.]+)/) {
$curbranch = $1;
}
elsif (/^symbolic names/) {
$symnames = 1;
}
elsif (/^-----/) {
last;
}
}
($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
# each log entry is of the form:
# ----------------------------
# revision 3.7.1.1
# date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3
# log info
# ----------------------------
logentry:
while (!/$LOG_FILESEPARATOR/o) {
$_ = <$fh>;
last logentry if (!defined($_)); # EOF
print "R:", $_ if ($verbose);
if (/^revision ([\d\.]+)/) {
$rev = $1;
unshift(@allrevisions,$rev);
}
elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
next logentry;
}
else {
# The rlog output is syntactically ambiguous. We must
# have guessed wrong about where the end of the last log
# message was.
# Since this is likely to happen when people put rlog output
# in their commit messages, don't even bother keeping
# these lines since we don't know what revision they go with
# any more.
next logentry;
# &fatal("500 Internal Error","Error parsing RCS output: $_");
}
$_ = <$fh>;
print "D:", $_ if ($verbose);
if (m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);\s+author:\s+(\S+);\s+state:\s+(\S+);\s+(lines:\s+([0-9\s+-]+))?|) {
my $yr = $1;
# damn 2-digit year routines :-)
if ($yr > 100) {
$yr -= 1900;
}
$date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
$author{$rev} = $7;
$state{$rev} = $8;
$difflines{$rev} = $10;
}
else {
&fatal("500 Internal Error", "Error parsing RCS output: $_");
}
line:
while (<$fh>) {
print "L:", $_ if ($verbose);
next line if (/^branches:\s/);
last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
$log{$rev} .= $_;
}
print "E:", $_ if ($verbose);
}
close($fh);
print "Done reading RCS file\n" if ($verbose);
@revorder = reverse sort {revcmp($a,$b)} @allrevisions;
print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
#
# HEAD is an artificial tag which is simply the highest tag number on the main
# branch, unless there is a branch tag in the RCS file in which case it's the
# highest revision on that branch. Find it by looking through @revorder; it
# is the first commit listed on the appropriate branch.
# This is not neccesary the same revision as marked as head in the RCS file.
my $headrev = $curbranch || "1";
($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
foreach $rev (@revorder) {
if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
$symrev{"HEAD"} = $rev;
last;
}
}
($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
if (!defined($symrev{"HEAD"}));
print "Done finding HEAD\n" if ($verbose);
#
# Now that we know all of the revision numbers, we can associate
# absolute revision numbers with all of the symbolic names, and
# pass them to the form so that the same association doesn't have
# to be built then.
#
undef @branchnames;
undef %branchpoint;
undef $sel;
foreach (reverse sort keys %symrev) {
$rev = $symrev{$_};
if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
push(@branchnames, $_);
#
# A revision number of A.B.0.D really translates into
# "the highest current revision on branch A.B.D".
#
# If there is no branch A.B.D, then it translates into
# the head A.B .
#
# This reasoning also applies to the main branch A.B,
# with the branch number 0.A, with the exception that
# it has no head to translate to if there is nothing on
# the branch, but I guess this can never happen?
#
# (the code below gracefully forgets about the branch
# if it should happen)
#
$head = defined($2) ? $2 : "";
$branch = $3;
$branchrev = $head . ($head ne "" ? "." : "") . $branch;
my $regex;
$regex = quotemeta $branchrev;
$rev = $head;
foreach my $r (@revorder) {
if ($r =~ /^${regex}\b/) {
$rev = $branchrev;
last;
}
}
next if ($rev eq "");
if ($rev ne $head && $head ne "") {
$branchpoint{$head} .= ", " if ($branchpoint{$head});
$branchpoint{$head} .= $_;
}
}
$revsym{$rev} .= ", " if ($revsym{$rev});
$revsym{$rev} .= $_;
$sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
}
print "Done associating revisions with branches\n" if ($verbose);
my ($onlyonbranch, $onlybranchpoint);
if ($onlyonbranch = $input{'only_with_tag'}) {
$onlyonbranch = $symrev{$onlyonbranch};
if ($onlyonbranch =~ s/\b0\.//) {
($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
}
else {
$onlybranchpoint = $onlyonbranch;
}
if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
}
}
undef @revisions;
foreach (@allrevisions) {
($br = $_) =~ s/\.\d+$//;
($brp = $br) =~ s/\.\d+$//;
next if ($onlyonbranch && $br ne $onlyonbranch &&
$_ ne $onlybranchpoint);
unshift(@revisions,$_);
}
if ($logsort eq "date") {
# Sort the revisions in commit order an secondary sort on revision
# (secondary sort needed for imported sources, or the first main
# revision gets before the same revision on the 1.1.1 branch)
@revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
}
elsif ($logsort eq "rev") {
# Sort the revisions in revision order, highest first
@revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
}
else {
# No sorting. Present in the same order as rlog / cvs log
@revdisplayorder = @revisions;
}
}
sub printDiffLinks($$) {
my($text, $url) = @_;
my @extra;
local $_;
for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
my $f = $_ eq $defaultDiffType ? '' : $_;
push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
}
print &link($text, $url), ' (', join(', ', @extra), ')';
}
sub printLog($;$) {
my ($link, $br, $brp);
($_,$link) = @_;
($br = $_) =~ s/\.\d+$//;
($brp = $br) =~ s/\.?\d+$//;
my ($isDead, $prev);
$link = 1 if (!defined($link));
$isDead = ($state{$_} eq "dead");
if ($link && !$isDead) {
my ($filename);
($filename = $where) =~ s/^.*\///;
my ($fileurl) = urlencode($filename);
print "<a NAME=\"rev$_\"></a>";
if (defined($revsym{$_})) {
foreach my $sym (split(", ", $revsym{$_})) {
print "<a NAME=\"$sym\"></a>";
}
}
if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
foreach my $sym (split(", ", $revsym{$br})) {
print "<a NAME=\"$sym\"></a>";
}
$nameprinted{$br} = 1;
}
print "\n Revision ";
&download_link($fileurl, $_, $_,
$defaultViewable ? "text/x-cvsweb-markup" : undef);
if ($defaultViewable) {
print " / (";
&download_link($fileurl, $_, "download", $mimetype);
print ")";
}
if (not $defaultTextPlain) {
print " / (";
&download_link($fileurl, $_, "as text", "text/plain");
print ")";
}
if (!$defaultViewable) {
print " / (";
&download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
print ")";
}
if ($allow_annotate) {
print " - ";
print &link('annotate',
sprintf('%s/%s?annotate=%s%s',
$scriptname,
urlencode($where),
$_,
$barequery));
}
# Plus a select link if enabled, and this version isn't selected
if ($allow_version_select) {
if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
print " - ";
print &link('[select for diffs]',
sprintf('%s?r1=%s%s',
$scriptwhere,
$_,
$barequery));
}
else {
print " - <b>[selected]</b>";
}
}
}
else {
print "Revision <B>$_</B>";
}
if (/^1\.1\.1\.\d+$/) {
print " <i>(vendor branch)</i>";
}
if (defined @mytz) {
my ($est) = $mytz[(localtime($date{$_}))[8]];
print ", <i>", scalar localtime($date{$_}), " $est</i> (";
} else {
print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
}
print readableTime(time() - $date{$_},1), " ago)";
print " by ";
print "<i>", $author{$_}, "</i>\n";
print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
if ($revsym{$br});
print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
if ($revsym{$_});
print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
if ($branchpoint{$_});
# Find the previous revision
my @prevrev = split(/\./, $_);
do {
if (--$prevrev[$#prevrev] <= 0) {
# If it was X.Y.Z.1, just make it X.Y
pop(@prevrev);
pop(@prevrev);
}
$prev = join(".", @prevrev);
} until (defined($date{$prev}) || $prev eq "");
if ($prev ne "") {
if ($difflines{$_}) {
print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
}
}
if ($isDead) {
print "<BR><B><I>FILE REMOVED</I></B>\n";
}
elsif ($link) {
my %diffrev = ();
$diffrev{$_} = 1;
$diffrev{""} = 1;
print "<BR>Diff";
#
# Offer diff to previous revision
if ($prev) {
$diffrev{$prev} = 1;
my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
$scriptwhere,
$prev,
$_,
$barequery);
print " to previous ";
printDiffLinks($prev, $url);
}
#
# Plus, if it's on a branch, and it's not a vendor branch,
# offer a diff with the branch point.
if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
$scriptwhere,
$brp,
$_,
$barequery);
print " to branchpoint ";
printDiffLinks($brp, $url);
}
#
# Plus, if it's on a branch, and it's not a vendor branch,
# offer to diff with the next revision of the higher branch.
# (e.g. change gets committed and then brought
# over to -stable)
if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
my ($i,$nextmain);
for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
my (@tmp2) = split(/\./, $_);
for ($nextmain = ""; $i > 0; $i--) {
my ($next) = $revorder[$i-1];
my (@tmp1) = split(/\./, $next);
if ($#tmp1 < $#tmp2) {
$nextmain = $next;
last;
}
# Only the highest version on a branch should have
# a diff for the "next main".
last if (join(".",@tmp1[0..$#tmp1-1])
eq join(".",@tmp2[0..$#tmp1-1]));
}
if (!defined($diffrev{$nextmain})) {
$diffrev{$nextmain} = 1;
my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
$scriptwhere,
$nextmain,
$_,
$barequery);
print " next main ";
printDiffLinks($nextmain, $url);
}
}
# Plus if user has selected only r1, then present a link
# to make a diff to that revision
if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
$diffrev{$input{"r1"}} = 1;
my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
$scriptwhere,
$input{'r1'},
$_,
$barequery);
print " to selected ";
printDiffLinks($input{'r1'}, $url);
}
}
print "<PRE>\n";
print &htmlify($log{$_}, 1);
print "</PRE>\n";
}
sub doLog($) {
my($fullname) = @_;
my ($diffrev, $upwhere, $filename, $backurl);
readLog($fullname);
html_header("CVS log for $where");
($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
($filename = $where) =~ s|^.*/||;
$backurl = $scriptname . "/" . urlencode($upwhere) . $query;
print &link($backicon, "$backurl#$filename"),
" <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
print &link('Request diff between arbitrary revisions', '#diff');
print '<HR NOSHADE>';
if ($curbranch) {
print "Default branch: ", ($revsym{$curbranch} || $curbranch);
}
else {
print "No default branch";
}
print "<BR>\n";
if ($input{only_with_tag}) {
print "Current tag: $input{only_with_tag}<BR>\n";
}
undef %nameprinted;
for (my $i = 0; $i <= $#revdisplayorder; $i++) {
print "<HR size=1 NOSHADE>";
printLog($revdisplayorder[$i]);
}
print "<HR NOSHADE>";
print "<A NAME=diff>\n";
print "This form allows you to request diff's between any two\n";
print "revisions of a file. You may select a symbolic revision\n";
print "name using the selection box or you may type in a numeric\n";
print "name using the type-in text box.\n";
print "</A><P>\n";
print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
foreach (@stickyvars) {
printf('<INPUT TYPE=HIDDEN NAME="%s" VALUE="%s">', $_, $input{$_})
if (defined($input{$_})
&& ((!defined($DEFAULTVALUE{$_})
|| $input{$_} ne $DEFAULTVALUE{$_})
&& $input{$_} ne ""));
}
print "<TABLE><TR>\n";
print "<TD align=right>Diffs between \n";
print "<SELECT NAME=\"r1\">\n";
print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
print $sel;
print "</SELECT>\n";
$diffrev = $revdisplayorder[$#revdisplayorder];
$diffrev = $input{"r1"} if (defined($input{"r1"}));
print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
print "<TD><BR></TD></TR>\n";
print "<TR><TD align=right>and \n";
print "<SELECT NAME=\"r2\">\n";
print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
print $sel;
print "</SELECT>\n";
$diffrev = $revdisplayorder[0];
$diffrev = $input{"r2"} if (defined($input{"r2"}));
print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
print "<TD><INPUT TYPE=SUBMIT VALUE=\" Get Diffs \"></TD>\n";
print "</FORM>\n";
print "</TR></TABLE>\n";
print "<HR noshade>\n";
print "<TABLE>";
print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
print "<TR><TD align=right>Preferred Diff type:</TD>";
print "<TD>";
printDiffSelect($use_java_script);
print "</TD><TD></TD></TR>\n";
if (@branchnames) {
print "<TR><TD align=right>View only Branch:</TD>";
print "<TD>";
print "<A name=branch></A>\n";
print "<SELECT NAME=\"only_with_tag\"";
print " onchange=\"submit()\"" if ($use_java_script);
print ">\n";
print "<OPTION VALUE=\"\"";
print " SELECTED" if (defined($input{"only_with_tag"}) &&
$input{"only_with_tag"} eq "");
print ">Show all branches\n";
foreach (reverse sort @branchnames) {
print "<OPTION";
print " SELECTED" if (defined($input{"only_with_tag"})
&& $input{"only_with_tag"} eq $_);
print ">${_}\n";
}
print "</SELECT></TD><TD></TD></TR>\n";
}
foreach (@stickyvars) {
next if ($_ eq "f");
next if ($_ eq "only_with_tag");
next if ($_ eq "logsort");
print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
if (defined($input{$_})
&& (!defined($DEFAULTVALUE{$_})
|| $input{$_} ne $DEFAULTVALUE{$_})
&& $input{$_} ne "");
}
print "<TR><TD align=right>";
print "<A name=logsort></A>\n";
print "Sort log by:</TD>";
print "<TD>";
printLogSortSelect($use_java_script);
print "</TD>";
print "<TD><INPUT TYPE=SUBMIT VALUE=\" Set \"></TD>";
print "</FORM>\n";
print "</TR></TABLE>";
print &html_footer;
print "</BODY></HTML>\n";
}
sub flush_diff_rows($$$$) {
my $j;
my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
if ($state eq "PreChangeRemove") { # we just got remove-lines before
for ($j = 0 ; $j < $leftRow; $j++) {
print "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
print "<td bgcolor=\"$diffcolorEmpty\"> </td></tr>\n";
}
}
elsif ($state eq "PreChange") { # state eq "PreChange"
# we got removes with subsequent adds
for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols
print "<tr>";
if ($j < $leftRow) {
print "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
}
else {
print "<td bgcolor=\"$diffcolorDarkChange\"> </td>";
}
if ($j < $rightRow) {
print "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
}
else {
print "<td bgcolor=\"$diffcolorDarkChange\"> </td>";
}
print "</tr>\n";
}
}
}
##
# Function to generate Human readable diff-files
# human_readable_diff(String revision_to_return_to);
##
sub human_readable_diff($){
my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
my ($fh, $rev) = @_;
my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
my (@rightCol, @leftCol);
($where_nd = $where) =~ s/.diff$//;
($filename = $where_nd) =~ s/^.*\///;
($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
# Read header to pick up read revision and date, if possible
while (<$fh>) {
($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
last if (/^\+\+\+ /);
}
if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
$rev1 = $r1r;
$date1 = $r1d;
}
if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
$rev2 = $r2r;
$date2 = $r2d;
}
print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n",
"<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n",
"<tr bgcolor=\"#ffffff\">\n",
"<th width=\"50%\" valign=TOP>",
"version $rev1";
print ", $date1" if (defined($date1));
print "<br>Tag: $sym1\n" if ($sym1);
print "</th>\n",
"<th width=\"50%\" valign=TOP>",
"version $rev2";
print ", $date2" if (defined($date2));
print "<br>Tag: $sym2\n" if ($sym1);
print "</th>\n";
my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
my $fe = "</font>";
my $leftRow = 0;
my $rightRow = 0;
my ($oldline, $newline, $funname, $diffcode, $rest);
# Process diff text
# The diffrows are could make excellent use of
# cascading style sheets because we've to set the
# font and color for each row. anyone ...?
####
# prefetch several lines
my @buf = head($fh);
my %d = scan_directives(@buf);
while (@buf || !eof($fh)) {
$difftxt = @buf ? shift @buf : <$fh>;
if ($difftxt =~ /^@@/) {
($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
print "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
print "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
print " <font size=-1>$funname</font></td></tr></table>";
print "</td><td width=\"50%\">";
print "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
print " <font size=-1>$funname</font></td></tr></table>";
print "</td>\n";
$state = "dump";
$leftRow = 0;
$rightRow = 0;
}
else {
($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
$_ = spacedHtmlText($rest, $d{'tabstop'});
# Add fontface, size
$_ = "$fs $_$fe";
#########
# little state machine to parse unified-diff output (Hen, zeller@think.de)
# in order to get some nice 'ediff'-mode output
# states:
# "dump" - just dump the value
# "PreChangeRemove" - we began with '-' .. so this could be the start of a 'change' area or just remove
# "PreChange" - okey, we got several '-' lines and moved to '+' lines -> this is a change block
##########
if ($diffcode eq '+') {
if ($state eq "dump") { # 'change' never begins with '+': just dump out value
print "<tr><td bgcolor=\"$diffcolorEmpty\"> </td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
}
else { # we got minus before
$state = "PreChange";
$rightCol[$rightRow++] = $_;
}
}
elsif ($diffcode eq '-') {
$state = "PreChangeRemove";
$leftCol[$leftRow++] = $_;
}
else { # empty diffcode
flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
print "<tr><td>$_</td><td>$_</td></tr>\n";
$state = "dump";
$leftRow = 0;
$rightRow = 0;
}
}
}
flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
# state is empty if we didn't have any change
if (!$state) {
print "<tr><td colspan=2> </td></tr>";
print "<tr bgcolor=\"$diffcolorEmpty\" >";
print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
}
print "</table>";
close($fh);
print "<br><hr noshade width=\"100%\">\n";
print "<table border=0>";
print "<tr><td>";
# print legend
print "<table border=1><tr><td>";
print "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
print "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\"> </td></tr>";
print "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
print "<tr><td bgcolor=\"$diffcolorEmpty\"> </td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
print "</table></td></tr></table>\n";
print "<td>";
# Print format selector
print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
foreach my $var (keys %input) {
next if ($var eq "f");
next if (defined($DEFAULTVALUE{$var})
&& $DEFAULTVALUE{$var} eq $input{$var});
print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
urlencode($input{$var}),"\">\n";
}
printDiffSelect($use_java_script);
print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
print "</FORM>\n";
print "</td>";
print "</tr></table>";
}
sub navigateHeader($$$$$) {
my ($swhere,$path,$filename,$rev,$title) = @_;
$swhere = "" if ($swhere eq $scriptwhere);
$swhere = urlencode($filename) if ($swhere eq "");
print qq`<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">`;
print "<HTML>\n<HEAD>\n";
print qq`<META name="robots" content="nofollow">\n`;
print '<!-- CVSweb $zRevision: 1.104 $ $Revision: 3.49 $ -->';
print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
print "$body_tag_for_src\n";
print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
print "<tr valign=bottom><td>";
print &link($backicon, "$swhere$query#rev$rev");
print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
print "</b> $fileicon</td>";
print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
print "</tr></table>";
}
sub plural_write($$) {
my ($num,$text) = @_;
if ($num != 1) {
$text .= "s";
}
if ($num > 0) {
return join(' ', $num, $text);
}
else {
return "";
}
}
##
# print readable timestamp in terms of
# '..time ago'
# H. Zeller <zeller@think.de>
##
sub readableTime($$) {
my ($i, $break, $retval);
my ($secs,$long) = @_;
# this function works correct for time >= 2 seconds
if ($secs < 2) {
return "very little time";
}
my %desc = (1 , 'second',
60, 'minute',
3600, 'hour',
86400, 'day',
604800, 'week',
2628000, 'month',
31536000, 'year');
my @breaks = sort {$a <=> $b} keys %desc;
$i = 0;
while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
$i++;
}
$i--;
$break = $breaks[$i];
$retval = plural_write(int ($secs / $break), $desc{$break});
if ($long == 1 && $i > 0) {
my $rest = $secs % $break;
$i--;
$break = $breaks[$i];
my $resttime = plural_write(int ($rest / $break),
$desc{$break});
if ($resttime) {
$retval .= ", $resttime";
}
}
return $retval;
}
##
# clickablePath(String pathname, boolean last_item_clickable)
#
# returns a html-ified path whereas each directory is a link for
# faster navigation. last_item_clickable controls whether the
# basename (last directory/file) is a link as well
##
sub clickablePath($$) {
my ($pathname,$clickLast) = @_;
my $retval = '';
if ($pathname eq '/') {
# this should never happen - chooseCVSRoot() is
# intended to do this
$retval = "[$cvstree]";
}
else {
$retval .= ' ' . &link("[$cvstree]", sprintf('%s/%s#dirlist',
$scriptname,
$query));
my $wherepath = '';
my ($lastslash) = $pathname =~ m|/$|;
foreach (split(/\//, $pathname)) {
$retval .= " / ";
$wherepath .= "/$_";
my ($last) = "$wherepath/" eq "/$pathname"
|| $wherepath eq "/$pathname";
if ($clickLast || !$last) {
$retval .= &link($_, join('',
$scriptname,
urlencode($wherepath),
(!$last || $lastslash ? '/' : ''),
$query,
(!$last || $lastslash ? "#dirlist" : "")));
}
else { # do not make a link to the current dir
$retval .= $_;
}
}
}
return $retval;
}
sub chooseCVSRoot() {
my @foo;
foreach (sort keys %CVSROOT) {
if (-d $CVSROOT{$_}) {
push(@foo, $_);
}
}
if (@foo > 1) {
my ($k);
print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
foreach $k (keys %input) {
print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
if ($input{$k}) && ($k ne "cvsroot");
}
# Form-Elements look wierd in Netscape if the background
# isn't gray and the form elements are not placed
# within a table ...
print "<table><tr>";
print "<td>CVS Root:</td>";
print "<td>\n<select name=\"cvsroot\"";
print " onchange=\"submit()\"" if ($use_java_script);
print ">\n";
foreach $k (@foo) {
print "<option value=\"$k\"";
print " selected" if ($k eq $cvstree);
print ">", ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} : $k), "</option>\n";
}
print "</select>\n</td>";
print "<td><input type=submit value=\"Go\"></td>";
print "</tr></table></form>";
}
else {
# no choice ..
print "CVS Root: <b>[$cvstree]</b>";
}
}
sub chooseMirror() {
my ($mirror,$moremirrors);
$moremirrors = 0;
# This code comes from the original BSD-cvsweb
# and may not be useful for your site; If you don't
# set %MIRRORS this won't show up, anyway
#
# Should perhaps exlude the current site somehow..
if (keys %MIRRORS) {
print "\nThis cvsweb is mirrored in:\n";
foreach $mirror (keys %MIRRORS) {
print ", " if ($moremirrors);
print &link(htmlquote($mirror),$MIRRORS{$mirror});
$moremirrors = 1;
}
print "<p>\n";
}
}
sub fileSortCmp() {
my ($comp) = 0;
my ($c,$d,$af,$bf);
($af = $a) =~ s/,v$//;
($bf = $b) =~ s/,v$//;
my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
if (defined($fileinfo{$af}));
my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
if (defined($fileinfo{$bf}));
if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
# Two files
$comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
$comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
$comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
$comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
}
if ($comp == 0) {
# Directories first, then sorted on name if no other sort critera
# available.
my $ad = ((-d "$fullname/$a")?"D":"F");
my $bd = ((-d "$fullname/$b")?"D":"F");
($c=$a) =~ s|.*/||;
($d=$b) =~ s|.*/||;
$comp = ("$ad$c" cmp "$bd$d");
}
return $comp;
}
# make A url for downloading
sub download_url($$;$) {
my ($url,$revision,$mimetype) = @_;
$revision =~ s/\b0\.//;
if (defined($checkoutMagic)
&& (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
my $path = $where;
$path =~ s|/[^/]*$|/|;
$url = "$scriptname/$checkoutMagic/${path}$url";
}
$url .= "?rev=$revision";
$url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
$url;
}
# Presents a link to download the
# selected revision
sub download_link($$$;$) {
my ($url, $revision, $textlink, $mimetype) = @_;
my ($fullurl) = download_url($url, $revision, $mimetype);
printf '<A HREF="%s"', hrefquote("$fullurl$barequery");
if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
print ' target="cvs_checkout"';
# we should have
# 'if (document.cvswin==null) document.cvswin=window.open(...'
# in order to allow the user to resize the window; otherwise
# the user may resize the window, but on next checkout - zap -
# its original (configured s. cvsweb.conf) size is back again
# .. annoying (if $extern_window_(width|height) is defined)
# but this if (..) solution is far from perfect
# what we need to do as well is
# 1) save cvswin in an invisible frame that always exists
# (document.cvswin will be void on next load)
# 2) on close of the cvs_checkout - window set the cvswin
# variable to 'null' again - so that it will be
# reopenend with the configured size
# anyone a JavaScript programmer ?
# .. so here without if (..):
# currently, the best way is to comment out the size parameters
# ($extern_window...) in cvsweb.conf.
if ($use_java_script) {
my @attr = qw(resizeable scrollbars);
push @attr, qw(status toolbar)
if (defined($mimetype) && $mimetype eq "text/html");
push @attr, "width=$extern_window_width"
if (defined($extern_window_width));
push @attr, "height=$extern_window_height"
if (defined($extern_window_height));
printf q` onClick="window.open('%s','cvs_checkout','%s');"`,
hrefquote($fullurl), join(',', @attr);
}
}
print "><b>$textlink</b></A>";
}
# Returns a Query string with the
# specified parameter toggled
sub toggleQuery($$) {
my ($toggle,$value) = @_;
my ($newquery,$var);
my (%vars);
%vars = %input;
if (defined($value)) {
$vars{$toggle} = $value;
}
else {
$vars{$toggle} = $vars{$toggle} ? 0 : 1;
}
# Build a new query of non-default paramenters
$newquery = "";
foreach $var (@stickyvars) {
my ($value) = defined($vars{$var}) ? $vars{$var} : "";
my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
if ($value ne $default) {
$newquery .= "&" if ($newquery ne "");
$newquery .= urlencode($var) . "=" . urlencode($value);
}
}
if ($newquery) {
return '?' . $newquery;
}
return "";
}
sub urlencode($) {
local($_) = @_;
s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
$_;
}
sub htmlquote($) {
local($_) = @_;
# Special Characters; RFC 1866
s/&/&/g;
s/\"/"/g;
s/</</g;
s/>/>/g;
$_;
}
sub htmlunquote($) {
local($_) = @_;
# Special Characters; RFC 1866
s/"/\"/g;
s/</</g;
s/>/>/g;
s/&/&/g;
$_;
}
sub hrefquote($) {
local($_) = @_;
y/ /+/;
htmlquote($_)
}
sub http_header(;$) {
my $content_type = shift || "text/html";
if (defined($moddate)) {
if ($is_mod_perl) {
Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
}
else {
print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
}
}
if ($is_mod_perl) {
Apache->request->content_type($content_type);
}
else {
print "Content-type: $content_type\r\n";
}
if ($allow_compress && $maycompress) {
if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
if ($is_mod_perl) {
Apache->request->content_encoding("x-gzip");
Apache->request->header_out(Vary => "Accept-Encoding");
Apache->request->send_http_header;
}
else {
print "Content-encoding: x-gzip\r\n";
print "Vary: Accept-Encoding\r\n"; #RFC 2068, 14.43
print "\r\n"; # Close headers
}
$| = 1; $| = 0; # Flush header output
if ($has_zlib) {
tie *GZIP, __PACKAGE__, \*STDOUT;
}
select(GZIP);
$gzip_open = 1;
# print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
}
else {
if ($is_mod_perl) {
Apache->request->send_http_header;
}
else {
print "\r\n"; # Close headers
}
print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
}
}
else {
if ($is_mod_perl) {
Apache->request->send_http_header;
}
else {
print "\r\n"; # Close headers
}
}
}
sub html_header($) {
my ($title) = @_;
my $version = '$zRevision: 1.104 $ $Revision: 3.49 $'; #'
http_header(defined($charset) ? "text/html; charset=$charset" : "text/html");
print <<EOH;
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
"http://www.w3.org/TR/REC-html40/loose.dtd">
<html>
<head>
<meta name="robots" content="nofollow">
<title>$title</title>
<!-- CVSweb $version -->
</head>
$body_tag
$logo <h1 align="center">$title</h1>
EOH
}
sub html_footer() {
return "<hr noshade><address>$address</address>\n";
}
sub link_tags($) {
my ($tags) = @_;
my ($ret) = "";
my ($fileurl,$filename);
($filename = $where) =~ s/^.*\///;
$fileurl = urlencode($filename);
foreach my $sym (split(", ", $tags)) {
$ret .= ",\n" if ($ret ne "");
$ret .= &link($sym, $fileurl . toggleQuery('only_with_tag',$sym));
}
return "$ret\n";
}
#
# See if a module is listed in the config file's @HideModule list.
#
sub forbidden_module($) {
my($module) = @_;
for (my $i=0; $i < @HideModules; $i++) {
return 1 if $module eq $HideModules[$i];
}
return 0;
}
# Close the GZIP handle remove the tie.
sub gzipclose {
if ($gzip_open) {
select(STDOUT);
close(GZIP);
untie *GZIP;
$gzip_open = 0;
}
}
# implement a gzipped file handle via the Compress:Zlib compression
# library.
sub MAGIC1() { 0x1f }
sub MAGIC2() { 0x8b }
sub OSCODE() { 3 }
sub TIEHANDLE {
my ($class, $out) = @_;
my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
-WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
my ($o) = {
handle => $out,
dh => $d,
crc => 0,
len => 0,
};
my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
print {$o->{handle}} $header;
return bless($o, $class);
}
sub PRINT {
my ($o) = shift;
my ($buf) = join(defined $, ? $, : "",@_);
my ($len) = length($buf);
my ($compressed, $status) = $o->{dh}->deflate($buf);
print {$o->{handle}} $compressed if defined($compressed);
$o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
$o->{len} += $len;
return $len;
}
sub PRINTF {
my ($o) = shift;
my ($fmt) = shift;
my ($buf) = sprintf($fmt, @_);
my ($len) = length($buf);
my ($compressed, $status) = $o->{dh}->deflate($buf);
print {$o->{handle}} $compressed if defined($compressed);
$o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
$o->{len} += $len;
return $len;
}
sub WRITE {
my ($o, $buf, $len, $off) = @_;
my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
print {$o->{handle}} $compressed if defined($compressed);
$o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
$o->{len} += $len;
return $len;
}
sub CLOSE {
my ($o) = @_;
return if !defined( $o->{dh});
my ($buf) = $o->{dh}->flush();
$buf .= pack("V V", $o->{crc}, $o->{len});
print {$o->{handle}} $buf;
undef $o->{dh};
}
sub DESTROY {
my ($o) = @_;
CLOSE($o);
}
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