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Diff for /cvsweb/cvsweb.cgi between version 1.1.1.6 and 3.11

version 1.1.1.6, 2000/09/19 20:14:40

version 3.11, 2000/08/13 18:58:24

Line 2

# 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:

Line 42

Line 41

# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

# SUCH DAMAGE.

# $zId: cvsweb.cgi,v 1.101 2000/09/13 22:44:05 jumager Exp $

# $zId: cvsweb.cgi,v 1.93 2000/07/27 17:42:28 hzeller Exp $

# $kId: cvsweb.cgi,v 1.24 2000/09/19 20:07:16 knu Exp $

# $Id$

###

Line 54 use vars qw (

Line 53 use vars qw (

%CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES

%alltags @tabcolors %fileinfo %tags @branchnames %nameprinted

%symrev %revsym @allrevisions %date %author @revdisplayorder

@revisions %state %difflines %log %branchpoint @revorder

@revisions %state %difflines %log %branchpoint @revorder $prcgi

$prcgi @prcategories $prcategories $mancgi

@prcategories $prcategories

$checkoutMagic $doCheckout $scriptname $scriptwhere

$where $pathinfo $Browser $nofilelinks $maycompress @stickyvars

%funcline_regexp $is_mod_perl

Line 77 use vars qw (

Line 76 use vars qw (

$navigationHeaderColor $tableBorderColor $markupLogColor

$tabstop $state $annTable $sel $curbranch @HideModules

$module $use_descriptions %descriptions @mytz $dwhere $moddate

$use_moddate $has_zlib $gzip_open

$use_moddate

);

sub printDiffSelect($);

sub findLastModifiedSubdirs(@);

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 http_header(;$);

sub html_header($);

sub html_footer();

sub link_tags($);

sub forbidden_module($);

##### Start of Configuration Area ########

use Cwd;

# == EDIT this ==

# User configuration is stored in

$config = undef;

for ($ENV{CVSWEB_CONFIG},

for ($ENV{CVSWEB_CONFIG}, '/usr/local/etc/cvsweb.conf', getcwd . '/cvsweb.conf') {

# '/home/knu/etc/cvsweb.conf',

$config = $_ if -r $_;

'/usr/local/etc/cvsweb.conf',

getcwd . '/cvsweb.conf') {

$config = $_ if defined($_) && -r $_;

}

# == Configuration defaults ==

Line 155 $difffontsize = $inputTextSize = $mime_types = $allow_

Line 111 $difffontsize = $inputTextSize = $mime_types = $allow_

$allow_markup = $use_java_script = $open_extern_window =

$extern_window_width = $extern_window_height = $edit_option_form =

$checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =

$navigationHeaderColor = $tableBorderColor = $markupLogColor =

$tabstop = $use_moddate = $moddate = undef;

##### End of configuration variables #####

Line 163 $tabstop = $use_moddate = $moddate = undef;

Line 119 $tabstop = $use_moddate = $moddate = undef;

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} : '';

Line 190 $is_mod_perl = defined($ENV{MOD_PERL});

Line 139 $is_mod_perl = defined($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};

$Browser = $ENV{HTTP_USER_AGENT} || '';

$is_lynx = ($Browser =~ m`^Lynx/`i);

$is_w3m = ($Browser =~ m`^w3m/`i);

$is_msie = ($Browser =~ m`MSIE`);

Line 207 $nofilelinks = $is_textbased;

Line 156 $nofilelinks = $is_textbased;

# 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,

# Turn off gzip if running under mod_perl. piping does

# piping does not work as expected inside the server.

# not work as expected inside the server. One can probably

$maycompress = (($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`

# achieve the same result using Apache::GZIPFilter.

|| $is_mozilla3)

$maycompress =(($ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`

&& !$is_msie

|| $is_mozilla3)

&& !($is_mod_perl && !$has_zlib));

&& !$is_msie

&& !$is_mod_perl);

# 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);

Line 234 else {

Line 184 else {

undef %input;

$query = $ENV{QUERY_STRING};

if (defined($query) && $query ne '') {

if ($query ne '') {

foreach (split(/&/, $query)) {

s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted

if (/(\S+)=(.*)/) {

Line 246 if (defined($query) && $query ne '') {

Line 196 if (defined($query) && $query ne '') {

}

# 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}));

Line 273 foreach (keys %DEFAULTVALUE)

Line 223 foreach (keys %DEFAULTVALUE)

}

$barequery = "";

foreach (@stickyvars) {

# construct a query string with the sticky non default parameters set

if (defined($input{$_}) && $input{$_} ne '' &&

!(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {

if ($barequery) {

$barequery = $barequery . "&";

Line 356 foreach my $k (keys %ICONS) {

Line 306 foreach my $k (keys %ICONS) {

do "$config-$cvstree" if (-f "$config-$cvstree");

$prcategories = '(?:' . join('|', @prcategories) . ')';

$prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;

$fullname = $cvsroot . '/' . $where;

$mimetype = &getMimeTypeFromSuffix ($fullname);

Line 366 $defaultViewable = $allow_markup && viewable($mimetype

Line 315 $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) {

if ($allow_compress && $maycompress) {

foreach (split(/:/, $ENV{PATH})) {

if (-x "$_/gzip") {

$GZIPBIN = "$_/gzip";

Line 447 elsif (-d $fullname) {

Line 396 elsif (-d $fullname) {

$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)) {

Line 462 elsif (-d $fullname) {

Line 411 elsif (-d $fullname) {

}

print "<table width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";

$infocols++;

print "<tr><th align=left bgcolor=\"" . (($byfile) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery("sortby","file") .

"#dirlist\">" if (!$byfile);

Line 474 elsif (-d $fullname) {

Line 423 elsif (-d $fullname) {

# with revision information:

if (scalar(%fileinfo)) {

$infocols++;

print "<th align=left bgcolor=\"" . (($byrev) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery ("sortby","rev") .

"#dirlist\">" if (!$byrev);

Line 483 elsif (-d $fullname) {

Line 432 elsif (-d $fullname) {

print "</a>" if (!$byrev);

print "</th>";

$infocols++;

print "<th align=left bgcolor=\"" . (($bydate) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery ("sortby","date") .

"#dirlist\">" if (!$bydate);

Line 493 elsif (-d $fullname) {

Line 442 elsif (-d $fullname) {

print "</th>";

if ($show_author) {

$infocols++;

print "<th align=left bgcolor=\"" . (($byauthor) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./" . &toggleQuery ("sortby","author") .

"#dirlist\">" if (!$byauthor);

Line 503 elsif (-d $fullname) {

Line 452 elsif (-d $fullname) {

print "</th>";

}

$infocols++;

print "<th align=left bgcolor=\"" . (($bylog) ?

$columnHeaderColorSorted :

$columnHeaderColorDefault) . "\">";

print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);

print "Last log entry";

Line 522 elsif (-d $fullname) {

Line 471 elsif (-d $fullname) {

print "<menu>\n";

}

my $dirrow = 0;

my $i;

lookingforattic:

for ($i = 0; $i <= $#dir; $i++) {

Line 537 elsif (-d $fullname) {

Line 486 elsif (-d $fullname) {

closedir($dh);

}

my $hideAtticToggleLink = "<a href=\"./" .

&toggleQuery ("hideattic") .

"#dirlist\">[Hide]</a>" if (!$input{'hideattic'});

Line 599 elsif (-d $fullname) {

Line 548 elsif (-d $fullname) {

}

print " ", &link($_ . "/", $url), $attic;

if ($_ eq "Attic") {

print "  <a href=\"./" .

&toggleQuery ("hideattic") .

"#dirlist\">[Don't hide]</a>";

}

# Show last change in dir

if ($filename) {

print "</td><td> </td><td> " if ($dirtable);

Line 672 elsif (-d $fullname) {

Line 621 elsif (-d $fullname) {

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) {

Line 700 elsif (-d $fullname) {

Line 649 elsif (-d $fullname) {

print "</td></tr></table>";

}

print "". ($dirtable == 1) ? "</table>" : "</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>";

Line 719 elsif (-d $fullname) {

Line 668 elsif (-d $fullname) {

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 $DEFAULTVALUE{$var})

&& $input{$var} ne ""

&& $var ne "only_with_tag");

}

Line 730 elsif (-d $fullname) {

Line 678 elsif (-d $fullname) {

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" : "",

$input{only_with_tag} eq $tag ? " SELECTED":"",

">$tag\n";

}

print "</SELECT>\n";

Line 764 elsif (-d $fullname) {

Line 712 elsif (-d $fullname) {

print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";

print "</SELECT></td></tr>";

print "<tr><td>Diff format: ";

printDiffSelect(0);

printDiffSelect();

print "</td>";

print "<td>Show Attic files: ";

print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",

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

Line 782 elsif (-d $fullname) {

Line 730 elsif (-d $fullname) {

elsif (-f $fullname . ',v') {

if (defined($input{'rev'}) || $doCheckout) {

&doCheckout($fullname, $input{'rev'});

close(GZIP) if ($gzip_open);

exit;

}

if (defined($input{'annotate'}) && $allow_annotate) {

&doAnnotate($input{'annotate'});

close(GZIP) if ($gzip_open);

exit;

}

if (defined($input{'r1'}) && defined($input{'r2'})) {

&doDiff($fullname, $input{'r1'}, $input{'tr1'},

$input{'r2'}, $input{'tr2'}, $input{'f'});

close(GZIP) if ($gzip_open);

exit;

}

print("going to dolog($fullname)\n") if ($verbose);

Line 816 elsif (-d $fullname) {

Line 761 elsif (-d $fullname) {

# e.g. foo.c

&doDiff($fullname, $input{'r1'}, $input{'tr1'},

$input{'r2'}, $input{'tr2'}, $input{'f'});

close(GZIP) if ($gzip_open);

exit;

}

elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&

Line 850 elsif (-d $fullname) {

Line 794 elsif (-d $fullname) {

}

&fatal("404 Not Found","$where: no such file or directory");

}

close(GZIP) if ($gzip_open);

## End MAIN

sub printDiffSelect($) {

sub printDiffSelect {

my ($use_java_script) = @_;

$use_java_script = 0 if (!defined($use_java_script));

my ($f) = $input{'f'};

print "<SELECT NAME=\"f\"";

print " onchange=\"submit()\"" if ($use_java_script);

Line 868 sub printDiffSelect($) {

Line 811 sub printDiffSelect($) {

print "</SELECT>";

}

sub findLastModifiedSubdirs(@) {

sub findLastModifiedSubdirs {

my (@dirs) = @_;

my ($dirname, @files);

Line 902 sub findLastModifiedSubdirs(@) {

Line 845 sub findLastModifiedSubdirs(@) {

return @files;

}

sub htmlify($;$) {

sub htmlify {

my($string, $extra) = @_;

my($string, $pr) = @_;

# Special Characters; RFC 1866

$string =~ s/&/&/g;

$string =~ s/\"/"/g;

$string =~ s/</</g;

$string =~ s/>/>/g;

# get URL's as link ..

$string =~ s`(http|ftp|https)(://[-a-zA-Z0-9%.~:_/]+)([?&]([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*`<A HREF="$1$2$3">$1$2$3</A>`g; # `

$string =~ s`(http|ftp|https)(://[-a-zA-Z0-9%.~:_/]+)([?&]([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*`<A HREF="$1$2$3">$1$2$3</A>`;

# get e-mails as link

$string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`g; # `

$string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`;

if ($extra) {

# get #PR as link ..

# get PR #'s as link ..

if ($pr && defined($prcgi)) {

if (defined($prcgi)) {

1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1<A HREF="$prcgi$2">$2</A>`i;

1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1 . &link($2, sprintf($prcgi, $2))`ie; # `

$string =~ s`\b${prcategories}/(\d+)\b`<A HREF="$prcgi$1">$&</A>`igo;

$string =~ s`\b${prcategories}/(\d+)\b`&link($&, sprintf($prcgi, $1))`igeo; # `

}

# get manpage specs as link ..

if (defined($mancgi)) {

$string =~ s`\b([a-zA-Z]\w+)$([0-9n])$\B`&link($&, sprintf($mancgi, $2, $1))`ge; # `

}

return $string;

}

sub spacedHtmlText($;$) {

sub spacedHtmlText {

local $_ = $_[0];

my($string, $pr) = @_;

my $ts = $_[1] || $tabstop;

# Cut trailing spaces and tabs

# Cut trailing spaces

s/[ \t]+$//;

s/\s+$//;

if (defined($ts)) {

# Expand tabs

$string =~ s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e

1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e

if (defined($tabstop));

}

# replace <tab> and <space> (\001 is to protect us from htmlify)

# gzip can make excellent use of this repeating pattern :-)

$string =~ s/\001/\001%/g; #protect our & substitute

if ($hr_breakable) {

# make every other space 'breakable'

s/ / \001nbsp;/g; # 2 * <space>

$string =~ s/ / \001nbsp; \001nbsp; \001nbsp; \001nbsp;/g; # <tab>

$string =~ s/ / \001nbsp;/g; # 2 * <space>

# leave single space as it is

} else {

s/ /\001nbsp;/g;

}

else {

$string =~ s/ /\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;\001nbsp;/g;

$string =~ s/ /\001nbsp;/g;

}

$_ = htmlify($_);

$string = htmlify($string);

# unescape

y/\001/&/;

$string =~ s/\001([^%])/&$1/g;

$string =~ s/\001%/\001/g;

return $_;

return $string;

}

sub link($$) {

sub link {

my($name, $where) = @_;

return "<A HREF=\"$where\">$name</A>\n";

}

sub revcmp($$) {

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);

Line 988 sub revcmp($$) {

Line 923 sub revcmp($$) {

return 0;

}

sub fatal($$) {

sub fatal {

my($errcode, $errmsg) = @_;

if ($is_mod_perl) {

Apache->request->status((split(/ /, $errcode))[0]);

Line 1002 sub fatal($$) {

Line 937 sub fatal($$) {

exit(1);

}

sub redirect($) {

sub redirect {

my($url) = @_;

if ($is_mod_perl) {

Apache->request->status(301);

Line 1018 sub redirect($) {

Line 953 sub redirect($) {

exit(1);

}

sub safeglob($) {

sub safeglob {

my ($filename) = @_;

my ($dirname);

my (@results);

Line 1047 sub safeglob($) {

Line 982 sub safeglob($) {

@results;

}

sub getMimeTypeFromSuffix($) {

sub getMimeTypeFromSuffix {

my ($fullname) = @_;

my ($mimetype, $suffix);

my $fh = do {local(*FH);};

Line 1055 sub getMimeTypeFromSuffix($) {

Line 990 sub getMimeTypeFromSuffix($) {

($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

Line 1068 sub getMimeTypeFromSuffix($) {

Line 1003 sub getMimeTypeFromSuffix($) {

}

close ($fh);

}

# okey, didn't find anything useful ..

if (!($mimetype =~ /\S\/\S/)) {

$mimetype = "text/plain";

Line 1077 sub getMimeTypeFromSuffix($) {

Line 1012 sub getMimeTypeFromSuffix($) {

}

###############################

# 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($$) {

sub doAnnotate ($$) {

my ($rev) = @_;

my ($pid);

my ($pathname, $filename);

Line 1122 sub doAnnotate($$) {

Line 1023 sub doAnnotate($$) {

# make sure the revisions a wellformed, for security

# reasons ..

if ($rev =~ /[^\w.]/) {

if (!($rev =~ /^[\d\.]+$/)) {

&fatal("404 Not Found",

"Malformed query \"$ENV{QUERY_STRING}\"");

}

Line 1132 sub doAnnotate($$) {

Line 1033 sub doAnnotate($$) {

http_header();

navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");

navigateHeader ($scriptwhere,$pathname,$filename,$rev, "annotate");

print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";

# this seems to be necessary

Line 1144 sub doAnnotate($$) {

Line 1045 sub doAnnotate($$) {

# 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 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

Line 1156 sub doAnnotate($$) {

Line 1057 sub doAnnotate($$) {

# /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

Line 1176 sub doAnnotate($$) {

Line 1077 sub doAnnotate($$) {

if ($path eq "") {

# In our example, $_ is "dir".

$path = $_;

}

else {

print $writer "Directory $path\n";

print $writer "$cvsroot/$path\n";

Line 1189 sub doAnnotate($$) {

Line 1090 sub doAnnotate($$) {

# 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: $!";

# 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) = ("", "");

Line 1211 sub doAnnotate($$) {

Line 1112 sub doAnnotate($$) {

else {

print "<pre>";

}

while (<$reader>) {

# 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);

Line 1237 sub doAnnotate($$) {

Line 1130 sub doAnnotate($$) {

}

else {

$revprint = $lrev; $oldLusr = "";

$revprint =~ s`^(\S+)`<a href="${scriptwhere}${barequery}#rev$1">$1</A>`; # `

}

if ($lusr eq $oldLusr) {

$usrprint = " ";

Line 1250 sub doAnnotate($$) {

Line 1142 sub doAnnotate($$) {

# is there a less timeconsuming way to strip spaces ?

($lrev = $lrev) =~ s/\s+//g;

my $isCurrentRev = ($rev eq $lrev);

print "<b>" if ($isCurrentRev);

printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);

print spacedHtmlText($line, $d{'tabstop'});

print spacedHtmlText($line);

print "</b>" if ($isCurrentRev);

}

elsif ($words[0] eq "ok") {

Line 1277 sub doAnnotate($$) {

Line 1169 sub doAnnotate($$) {

###############################

# make Checkout

###############################

sub doCheckout($$) {

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.]/) {

if (defined($rev) && !($rev =~ /^[\d\.]+$/)) {

&fatal("404 Not Found",

"Malformed query \"$ENV{QUERY_STRING}\"");

}

Line 1315 sub doCheckout($$) {

Line 1203 sub doCheckout($$) {

$moddate=$date{$symrev{HEAD}};

}

### just for the record:

### 'cvs co' seems to have a bug regarding single checkout of

### directories/files having spaces in it;

Line 1324 sub doCheckout($$) {

Line 1212 sub doCheckout($$) {

# 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);

exec("cvs", "-d", $cvsroot, "co", "-p", $revopt, $where);

}

#===================================================================

#Checking out squid/src/ftp.c

#RCS: /usr/src/CVS/squid/src/ftp.c,v

Line 1364 sub doCheckout($$) {

Line 1252 sub doCheckout($$) {

close($fh);

}

sub cvswebMarkup($$$) {

sub cvswebMarkup {

my ($filehandle,$fullname,$revision) = @_;

my ($pathname, $filename);

Line 1374 sub cvswebMarkup($$$) {

Line 1262 sub cvswebMarkup($$$) {

http_header();

navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");

navigateHeader ($scriptwhere, $pathname, $filename, $revision, "view");

print "<HR noshade>";

print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";

print "File: ", &clickablePath($where, 1);

Line 1382 sub cvswebMarkup($$$) {

Line 1270 sub cvswebMarkup($$$) {

&download_link(urlencode($fileurl), $revision, "(download)");

if (!$defaultTextPlain) {

print " ";

&download_link(urlencode($fileurl), $revision, "(as text)",

"text/plain");

}

print "<BR>\n";

Line 1396 sub cvswebMarkup($$$) {

Line 1284 sub cvswebMarkup($$$) {

$input{only_with_tag};

}

print "</td></tr></table>";

my @content = <$filehandle>;

my $url = download_url($fileurl, $revision, $mimetype);

print "<HR noshade>";

if ($mimetype =~ /^image/) {

print "<IMG SRC=\"$url$barequery\"><BR>";

}

elsif ($mimetype =~ m%^application/pdf%) {

print "<EMBED SRC=\"$url$barequery\" WIDTH=\"100%\"><BR>";

}

else {

print "<PRE>";

foreach (@content) {

# prefetch several lines

print spacedHtmlText($_);

my @buf = head($filehandle);

my %d = scan_directives(@buf);

while (@buf || !eof($filehandle)) {

$_ = @buf ? shift @buf : <$filehandle>;

print spacedHtmlText($_, $d{'tabstop'});

}

print "</PRE>";

}

Line 1424 sub cvswebMarkup($$$) {

Line 1302 sub cvswebMarkup($$$) {

sub viewable($) {

my ($mimetype) = @_;

$mimetype =~ m%^((text|image)/|application/pdf)% ;

$mimetype =~ m%^text/% ||

$mimetype =~ m%^image/% ||

}

###############################

# Show Colored Diff

###############################

sub doDiff($$$$$$) {

sub doDiff {

my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;

my $fh = do {local(*FH);};

my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);

Line 1451 sub doDiff($$$$$$) {

Line 1331 sub doDiff($$$$$$) {

$rev2 = $tr2;

$sym2 = "";

}

# make sure the revisions a wellformed, for security

# reasons ..

if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {

if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) {

&fatal("404 Not Found",

"Malformed query \"$ENV{QUERY_STRING}\"");

}

Line 1496 sub doDiff($$$$$$) {

Line 1375 sub doDiff($$$$$$) {

# apply special options

if ($showfunc) {

push @difftype, '-p' if $f =~ /^[cHhu]$/;

push @difftype, '-p';

my($re1, $re2);

Line 1522 sub doDiff($$$$$$) {

Line 1401 sub doDiff($$$$$$) {

if ($human_readable) {

http_header();

&human_readable_diff($fh, $rev2);

close(GZIP) if ($gzip_open);

exit;

}

else {

Line 1576 sub doDiff($$$$$$) {

Line 1454 sub doDiff($$$$$$) {

###############################

# Show Logs ..

###############################

sub getDirLogs($$@) {

sub getDirLogs {

my ($cvsroot,$dirname,@otherFiles) = @_;

my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);

my ($rev, $revision, $revwanted, $filename, $head, $author);

Line 1594 sub getDirLogs($$@) {

Line 1472 sub getDirLogs($$@) {

}

# just execute rlog if there are any files

if ($#files < 0) {

return;

}

Line 1639 again:

Line 1517 again:

}

if ($state eq "head" && /^symbolic names/) {

$state = "tags";

($branch = $head) =~ s/\.\d+$// if (!defined($branch));

$branch =~ s/(\.?)(\d+)$/${1}0.$2/;

$symrev{MAIN} = $branch;

$symrev{HEAD} = $branch;

Line 1737 again:

Line 1615 again:

}

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($;$) {

sub readLog {

my($fullname,$revision) = @_;

my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);

my $fh = do {local(*FH);};

Line 2006 sub printLog($;$) {

Line 1884 sub printLog($;$) {

}

if (not $defaultTextPlain) {

print " / ";

&download_link($fileurl, $_, "(as text)",

"text/plain");

}

if (!$defaultViewable) {

Line 2147 sub printLog($;$) {

Line 2025 sub printLog($;$) {

print "</PRE>\n";

}

sub doLog($) {

sub doLog {

my($fullname) = @_;

my ($diffrev, $upwhere, $filename, $backurl);

readLog($fullname);

html_header("CVS log for $where");

Line 2192 EOF

Line 2070 EOF

foreach (@stickyvars) {

print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"

if (defined($input{$_})

&& ((!defined($DEFAULTVALUE{$_})

&& ($input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne ""));

|| $input{$_} ne $DEFAULTVALUE{$_})

&& $input{$_} ne ""));

}

print "<TABLE><TR>\n";

print "Diffs between \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 "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'>\n";

print "<TD><BR></TD></TR>\n";

print " and \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 "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='docuement.diff_select.r2.selectedIndex=0'>\n";

print "<TD><INPUT TYPE=SUBMIT VALUE=\" Get Diffs \"></TD>\n";

print "<BR>Type of Diff should be a ";

printDiffSelect();

print "<INPUT TYPE=SUBMIT VALUE=\" Get Diffs \">\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 "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";

foreach (@stickyvars) {

next if ($_ eq "only_with_tag");

next if ($_ eq "logsort");

print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"

if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}

&& $input{$_} ne "");

}

print "View only Branch: \n";

print "<SELECT NAME=\"only_with_tag\"";

print " onchange=\"submit()\"" if ($use_java_script);

print ">\n";

Line 2241 EOF

Line 2117 EOF

&& $input{"only_with_tag"} eq $_);

print ">${_}\n";

}

print "</SELECT></TD><TD></TD></TR>\n";

print "</SELECT>\n";

print "<INPUT TYPE=SUBMIT VALUE=\" View Branch \">\n";

print "</FORM>\n";

}

print "<A name=logsort></A>\n";

print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\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($input{$_})

if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_}

&& (!defined($DEFAULTVALUE{$_})

|| $input{$_} ne $DEFAULTVALUE{$_})

&& $input{$_} ne "");

}

print "<TR><TD align=right>";

print "Sort log by: \n";

print "<A name=logsort></A>\n";

print "<SELECT NAME=\"logsort\"";

print "Sort log by:</TD>";

print "<TD><SELECT NAME=\"logsort\"";

print " onchange=\"submit()\"" if ($use_java_script);

print ">\n";

print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";

print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";

print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";

print "</SELECT></TD>";

print "</SELECT>\n";

print "<TD><INPUT TYPE=SUBMIT VALUE=\" Set \"></TD>";

print "<INPUT TYPE=SUBMIT VALUE=\" Sort \">\n";

print "</FORM>\n";

print "</TR></TABLE>";

print &html_footer;

print "</BODY></HTML>\n";

}

sub flush_diff_rows($$$$) {

sub flush_diff_rows ($$$$)

{

my $j;

my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;

if ($state eq "PreChangeRemove") { # we just got remove-lines before

Line 2305 sub flush_diff_rows($$$$) {

Line 2180 sub flush_diff_rows($$$$) {

# human_readable_diff(String revision_to_return_to);

sub human_readable_diff($){

my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);

my ($i,$difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);

my ($fh, $rev) = @_;

my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);

my (@rightCol, @leftCol);

Line 2315 sub human_readable_diff($){

Line 2190 sub human_readable_diff($){

($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;

($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;

navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");

navigateHeader ($scriptwhere_nd, $pathname, $filename, $rev, "diff");

# Read header to pick up read revision and date, if possible

while (<$fh>) {

Line 2331 sub human_readable_diff($){

Line 2206 sub human_readable_diff($){

$rev2 = $r2r;

$date2 = $r2d;

}

print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";

print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";

Line 2359 sub human_readable_diff($){

Line 2234 sub human_readable_diff($){

# cascading style sheets because we've to set the

# font and color for each row. anyone ...?

####

while (<$fh>) {

# prefetch several lines

$difftxt = $_;

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%\">";

Line 2383 sub human_readable_diff($){

Line 2252 sub human_readable_diff($){

}

else {

($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;

$_ = spacedHtmlText($rest, $d{'tabstop'});

$_ = spacedHtmlText ($rest);

# 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

Line 2405 sub human_readable_diff($){

Line 2274 sub human_readable_diff($){

$state = "PreChange";

$rightCol[$rightRow++] = $_;

}

elsif ($diffcode eq '-') {

$state = "PreChangeRemove";

$leftCol[$leftRow++] = $_;

Line 2461 sub human_readable_diff($){

Line 2330 sub human_readable_diff($){

print "</tr></table>";

}

sub navigateHeader($$$$$) {

sub navigateHeader ($$$$$) {

my ($swhere,$path,$filename,$rev,$title) = @_;

$swhere = "" if ($swhere eq $scriptwhere);

$swhere = urlencode($filename) if ($swhere eq "");

print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";

print "<HTML>\n<HEAD>\n";

print '';

print '';

print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";

print "<BODY BGCOLOR=\"$backcolor\">\n";

print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";

Line 2475 sub navigateHeader($$$$$) {

Line 2344 sub navigateHeader($$$$$) {

print "<a href=\"$swhere$query#rev$rev\">$backicon";

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($$) {

sub plural_write ($$)

{

my ($num,$text) = @_;

if ($num != 1) {

$text = $text . "s";

Line 2498 sub plural_write($$) {

Line 2368 sub plural_write($$) {

# '..time ago'

# H. Zeller <zeller@think.de>

sub readableTime($$) {

sub readableTime ($$)

{

my ($i, $break, $retval);

my ($secs,$long) = @_;

Line 2516 sub readableTime($$) {

Line 2387 sub readableTime($$) {

31536000, 'year');

my @breaks = sort {$a <=> $b} keys %desc;

$i = 0;

while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {

$i++;

}

$i--;

Line 2527 sub readableTime($$) {

Line 2398 sub readableTime($$) {

my $rest = $secs % $break;

$i--;

$break = $breaks[$i];

my $resttime = plural_write(int ($rest / $break),

$desc{$break});

if ($resttime) {

$retval = $retval . ", " . $resttime;

Line 2545 sub readableTime($$) {

Line 2416 sub readableTime($$) {

# 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

Line 2589 sub chooseCVSRoot() {

Line 2460 sub chooseCVSRoot() {

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

Line 2623 sub chooseMirror() {

Line 2494 sub chooseMirror() {

# 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) {

Line 2635 sub chooseMirror() {

Line 2506 sub chooseMirror() {

}

sub fileSortCmp() {

sub fileSortCmp {

my ($comp) = 0;

my ($c,$d,$af,$bf);

Line 2666 sub fileSortCmp() {

Line 2537 sub fileSortCmp() {

}

# make A url for downloading

sub download_url($$;$) {

sub download_url {

my ($url,$revision,$mimetype) = @_;

$revision =~ s/\b0\.//;

Line 2683 sub download_url($$;$) {

Line 2554 sub download_url($$;$) {

return $url;

}

# Presents a link to download the

# selected revision

sub download_link($$$;$) {

sub download_link {

my ($url,$revision,$textlink,$mimetype) = @_;

my ($fullurl) = download_url($url,$revision,$mimetype);

my ($paren) = $textlink =~ /^\(/;

Line 2757 sub toggleQuery($$) {

Line 2628 sub toggleQuery($$) {

return "";

}

sub urlencode($) {

sub urlencode {

my ($in) = @_;

my ($out);

($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;

return $out;

}

sub http_header(;$) {

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");

Apache->request->header_out(Last_modified => scalar gmtime($moddate) . " GMT");

}

else {

print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";

Line 2781 sub http_header(;$) {

Line 2652 sub http_header(;$) {

print "Content-type: $content_type\r\n";

}

if ($allow_compress && $maycompress) {

if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {

my $fh = do {local(*FH);};

if (defined($GZIPBIN) && open($fh, "|$GZIPBIN -1 -c")) {

if ($is_mod_perl) {

Apache->request->content_encoding("x-gzip");

Apache->request->header_out(Vary => "Accept-Encoding");

Line 2793 sub http_header(;$) {

Line 2665 sub http_header(;$) {

print "\r\n"; # Close headers

}

$| = 1; $| = 0; # Flush header output

if ($has_zlib) {

select ($fh);

tie *GZIP, __PACKAGE__, \*STDOUT;

}

select(GZIP);

$gzip_open = 1;

# print "" if ($content_type eq "text/html");

}

else {

Line 2822 sub http_header(;$) {

Line 2690 sub http_header(;$) {

sub html_header($) {

my ($title) = @_;

my $version = '$zRevision: 1.101 $ $kRevision: 1.24 $'; #'

my $version = '$zRevision: 1.93 $ $Revision$';

http_header();

print <<EOH;

<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"

Line 2836 $logo <h1 align="center">$title</h1>

Line 2704 $logo <h1 align="center">$title</h1>

EOH

}

sub html_footer() {

sub html_footer {

return "<hr noshade><address>$address</address>\n";

}

sub link_tags($) {

sub link_tags

{

my ($tags) = @_;

my ($ret) = "";

my ($fileurl,$filename);

Line 2859 sub link_tags($) {

Line 2728 sub link_tags($) {

# See if a module is listed in the config file's @HideModule list.

sub forbidden_module($) {

sub forbidden_module {

my($module) = @_;

for (my $i=0; $i < @HideModules; $i++) {

return 1 if $module eq $HideModules[$i];

}

return 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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