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Annotation of cvsweb/cvsweb.cgi, Revision 1.45.2.55

1.45.2.46  knu         1: #!/usr/bin/perl5 -ws
1.1       jfieber     2: #
1.45.2.46  knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
1.45.2.47  knu         5: # Written in their spare time by
1.45.2.46  knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
1.45.2.47  knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
1.45.2.46  knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
1.45.2.51  knu        12: #             Jens-Uwe Mager   <jum@helios.de>
1.45.2.46  knu        13: #
                     14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
                     16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    17: #
1.21      wosch      18: # Copyright (c) 1996-1998 Bill Fenner
1.45.2.46  knu        19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
                     21: #          (c) 2000      Akinori MUSHA
1.21      wosch      22: # All rights reserved.
                     23: #
                     24: # Redistribution and use in source and binary forms, with or without
                     25: # modification, are permitted provided that the following conditions
                     26: # are met:
                     27: # 1. Redistributions of source code must retain the above copyright
                     28: #    notice, this list of conditions and the following disclaimer.
                     29: # 2. Redistributions in binary form must reproduce the above copyright
                     30: #    notice, this list of conditions and the following disclaimer in the
                     31: #    documentation and/or other materials provided with the distribution.
                     32: #
                     33: # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
                     34: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     35: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     36: # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
                     37: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     38: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     39: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     40: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     41: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     42: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     43: # SUCH DAMAGE.
                     44: #
1.45.2.52  knu        45: # $zId: cvsweb.cgi,v 1.103 2000/09/20 17:02:29 jumager Exp $
1.45.2.55! knu        46: # $kId: cvsweb.cgi,v 1.33 2000/10/07 07:44:12 knu Exp $
        !            47: # $FreeBSD: www/en/cgi/cvsweb.cgi,v 1.54 2000/09/30 20:21:04 knu Exp $
1.21      wosch      48: #
1.45.2.46  knu        49: ###
1.21      wosch      50:
1.45.2.46  knu        51: use strict;
1.21      wosch      52:
1.45.2.46  knu        53: use vars qw (
                     54:     $config $allow_version_select $verbose
                     55:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     56:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     57:     %symrev %revsym @allrevisions %date %author @revdisplayorder
1.45.2.49  knu        58:     @revisions %state %difflines %log %branchpoint @revorder
                     59:     $prcgi @prcategories $prcategories $mancgi
1.45.2.46  knu        60:     $checkoutMagic $doCheckout $scriptname $scriptwhere
                     61:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     62:     %funcline_regexp $is_mod_perl
                     63:     $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
                     64:     %input $query $barequery $sortby $bydate $byrev $byauthor
                     65:     $bylog $byfile $hr_default $logsort $cvstree $cvsroot
                     66:     $mimetype $defaultTextPlain $defaultViewable $allow_compress
                     67:     $GZIPBIN $backicon $diricon $fileicon $fullname $newname
1.45.2.52  knu        68:     $cvstreedefault $body_tag $body_tag_for_src
                     69:     $logo $defaulttitle $address
                     70:     $long_intro $short_instruction $shortLogLen
1.45.2.46  knu        71:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
                     72:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
                     73:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     74:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     75:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     76:     $allow_markup $use_java_script $open_extern_window
                     77:     $extern_window_width $extern_window_height $edit_option_form
                     78:     $checkout_magic $show_subdir_lastmod $show_log_in_markup $v
                     79:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     80:     $tabstop $state $annTable $sel $curbranch @HideModules
                     81:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
1.45.2.51  knu        82:     $use_moddate $has_zlib $gzip_open
1.45.2.55! knu        83:     $LOG_FILESEPARATOR $LOG_REVSEPARATOR
1.45.2.46  knu        84: );
                     85:
1.45.2.47  knu        86: sub printDiffSelect($);
                     87: sub findLastModifiedSubdirs(@);
                     88: sub htmlify($;$);
1.45.2.51  knu        89: sub spacedHtmlText($;$);
1.45.2.47  knu        90: sub link($$);
                     91: sub revcmp($$);
                     92: sub fatal($$);
                     93: sub redirect($);
                     94: sub safeglob($);
                     95: sub getMimeTypeFromSuffix($);
1.45.2.51  knu        96: sub head($;$);
                     97: sub scan_directives(@);
1.45.2.47  knu        98: sub doAnnotate($$);
                     99: sub doCheckout($$);
                    100: sub cvswebMarkup($$$);
                    101: sub viewable($);
                    102: sub doDiff($$$$$$);
                    103: sub getDirLogs($$@);
                    104: sub readLog($;$);
                    105: sub printLog($;$);
                    106: sub doLog($);
                    107: sub flush_diff_rows($$$$);
                    108: sub human_readable_diff($);
                    109: sub navigateHeader($$$$$);
                    110: sub plural_write($$);
                    111: sub readableTime($$);
                    112: sub clickablePath($$);
                    113: sub chooseCVSRoot();
                    114: sub chooseMirror();
                    115: sub fileSortCmp();
                    116: sub download_url($$;$);
                    117: sub download_link($$$;$);
                    118: sub toggleQuery($$);
                    119: sub urlencode($);
                    120: sub http_header(;$);
                    121: sub html_header($);
                    122: sub html_footer();
                    123: sub link_tags($);
                    124: sub forbidden_module($);
                    125:
1.45.2.46  knu       126: ##### Start of Configuration Area ########
                    127: use Cwd;
                    128:
1.45.2.47  knu       129: # == EDIT this ==
1.45.2.53  knu       130: # Locations to search for user configuration, in order:
                    131: for (
                    132:      $ENV{CVSWEB_CONFIG},
1.45.2.47  knu       133:      '/usr/local/etc/cvsweb.conf',
1.45.2.53  knu       134:      getcwd() . '/cvsweb.conf'
                    135:     ) {
                    136:     $config = $_ if defined($_) && -r $_;
1.45.2.46  knu       137: }
1.1       jfieber   138:
1.45.2.46  knu       139: # == Configuration defaults ==
                    140: # Defaults for configuration variables that shouldn't need
                    141: # to be configured..
                    142: $allow_version_select = 1;
                    143:
                    144: ##### End of Configuration Area   ########
                    145:
                    146: ######## Configuration variables #########
                    147: # These are defined to allow checking with perl -cw
                    148: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                    149: %tags = %alltags = @tabcolors = ();
1.45.2.53  knu       150: $cvstreedefault = $body_tag = $body_tag_for_src =
1.45.2.52  knu       151: $logo = $defaulttitle = $address =
                    152: $long_intro = $short_instruction = $shortLogLen =
1.45.2.46  knu       153: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
                    154: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
                    155: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    156: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    157: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    158: $allow_markup = $use_java_script = $open_extern_window =
                    159: $extern_window_width = $extern_window_height = $edit_option_form =
                    160: $checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v =
1.45.2.47  knu       161: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
1.45.2.52  knu       162: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.45.2.46  knu       163:
1.45.2.55! knu       164: $LOG_FILESEPARATOR = q/^={77}$/;
        !           165: $LOG_REVSEPARATOR = q/^-{28}$/;
        !           166:
1.45.2.46  knu       167: ##### End of configuration variables #####
                    168:
                    169: package cgi_style;
                    170: #$cgi_style::hsty_base = '';
                    171: $cgi_style::hsty_base = 'http://www.FreeBSD.org';
1.2       jfieber   172: require 'cgi-style.pl';
1.45.2.46  knu       173: package main;
1.2       jfieber   174:
1.45.2.46  knu       175: use Time::Local;
                    176: use IPC::Open2;
1.1       jfieber   177:
1.45.2.51  knu       178: # Check if the zlib C library interface is installed, and if yes
                    179: # we can avoid using the extra gzip process.
                    180: eval {
                    181:        require Compress::Zlib;
                    182: };
                    183: $has_zlib = !$@;
                    184:
1.1       jfieber   185: $verbose = $v;
1.45.2.46  knu       186: $checkoutMagic = "~checkout~";
                    187: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    188: $where = $pathinfo;
                    189: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    190: $where =~ s|^/($checkoutMagic)?||;
                    191: $where =~ s|/+$||;
                    192: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    193: $scriptname =~ s|^/?|/|;
                    194: $scriptname =~ s|/+$||;
                    195: $scriptwhere = $scriptname;
                    196: if ($where) {
                    197:     $scriptwhere .= '/' . urlencode($where);
                    198: }
                    199:
                    200: $is_mod_perl = defined($ENV{MOD_PERL});
                    201:
                    202: # in lynx, it it very annoying to have two links
                    203: # per file, so disable the link at the icon
                    204: # in this case:
1.45.2.47  knu       205: $Browser = $ENV{HTTP_USER_AGENT};
1.45.2.46  knu       206: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    207: $is_w3m = ($Browser =~ m`^w3m/`i);
                    208: $is_msie = ($Browser =~ m`MSIE`);
                    209: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
                    210:
                    211: $is_textbased = ($is_lynx || $is_w3m);
                    212:
                    213: $nofilelinks = $is_textbased;
                    214:
                    215: # newer browsers accept gzip content encoding
                    216: # and state this in a header
                    217: # (netscape did always but didn't state it)
                    218: # It has been reported that these
                    219: #  braindamaged MS-Internet Exploders claim that they
                    220: # accept gzip .. but don't in fact and
                    221: # display garbage then :-/
1.45.2.51  knu       222: # Turn off gzip if running under mod_perl and no zlib is available,
                    223: # piping does not work as expected inside the server.
1.45.2.52  knu       224: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
                    225:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
1.45.2.47  knu       226:                 || $is_mozilla3)
                    227:                && !$is_msie
1.45.2.51  knu       228:                && !($is_mod_perl && !$has_zlib));
1.45.2.46  knu       229:
                    230: # put here the variables we need in order
                    231: # to hold our state - they will be added (with
1.45.2.47  knu       232: # their current value) to any link/query string
1.45.2.46  knu       233: # you construct
                    234: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   235:
1.45.2.46  knu       236: if (-f $config) {
1.45.2.53  knu       237:    do $config
                    238:      || &fatal("500 Internal Error",
                    239:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    240:                       $config, &htmlify($@)));
                    241: } else {
1.45.2.46  knu       242:    &fatal("500 Internal Error",
                    243:          'Configuration not found.  Set the variable <code>$config</code> '
                    244:           . 'in cvsweb.cgi, or the environment variable '
                    245:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    246:           . 'configuration file first.');
                    247: }
                    248:
                    249: undef %input;
                    250: $query = $ENV{QUERY_STRING};
                    251:
1.45.2.47  knu       252: if (defined($query) && $query ne '') {
1.9       fenner    253:     foreach (split(/&/, $query)) {
1.7       fenner    254:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    255:        if (/(\S+)=(.*)/) {
1.45.2.46  knu       256:            $input{$1} = $2 if ($2 ne "");
                    257:        }
                    258:        else {
1.7       fenner    259:            $input{$_}++;
                    260:        }
                    261:     }
                    262: }
1.10      wosch     263:
1.45.2.47  knu       264: # For backwards compability, set only_with_tag to only_on_branch if set.
1.45.2.46  knu       265: $input{only_with_tag} = $input{only_on_branch}
                    266:     if (defined($input{only_on_branch}));
1.10      wosch     267:
1.45.2.46  knu       268: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     269:
1.45.2.46  knu       270: foreach (keys %DEFAULTVALUE)
                    271: {
                    272:     # replace not given parameters with the default parameters
                    273:     if (!defined($input{$_}) || $input{$_} eq "") {
                    274:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    275:        # variable in these forms (copt) which indicates that we just set
                    276:        # parameters with a checkbox
                    277:        if (!defined($input{"copt"})) {
                    278:            # 'copt' isn't defined --> empty input is not the result
                    279:            # of empty input checkbox --> set default
                    280:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    281:        }
                    282:        else {
                    283:            # 'copt' is defined -> the result of empty input checkbox
                    284:            # -> set to zero (disable) if default is a boolean (0|1).
                    285:            $input{$_} = 0
                    286:                if (defined($DEFAULTVALUE{$_})
                    287:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    288:        }
1.10      wosch     289:     }
                    290: }
1.45.2.47  knu       291:
1.45.2.46  knu       292: $barequery = "";
1.45.2.55! knu       293: my @barequery;
1.45.2.46  knu       294: foreach (@stickyvars) {
                    295:     # construct a query string with the sticky non default parameters set
1.45.2.47  knu       296:     if (defined($input{$_}) && $input{$_} ne '' &&
1.45.2.46  knu       297:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
1.45.2.55! knu       298:        push @barequery, join('=', urlencode($_), urlencode($input{$_}));
1.45.2.46  knu       299:     }
                    300: }
                    301: # is there any query ?
1.45.2.55! knu       302: if (@barequery) {
        !           303:     $barequery = join('&amp;', @barequery);
1.45.2.46  knu       304:     $query = "?$barequery";
1.45.2.55! knu       305:     $barequery = "&amp;$barequery";
1.45.2.46  knu       306: }
                    307: else {
                    308:     $query = "";
                    309: }
1.45.2.55! knu       310: undef @barequery;
1.10      wosch     311:
1.45.2.46  knu       312: # get actual parameters
                    313: $sortby = $input{"sortby"};
                    314: $bydate = 0;
                    315: $byrev = 0;
                    316: $byauthor = 0;
                    317: $bylog = 0;
                    318: $byfile = 0;
                    319: if ($sortby eq "date") {
                    320:     $bydate = 1;
                    321: }
                    322: elsif ($sortby eq "rev") {
                    323:     $byrev = 1;
                    324: }
                    325: elsif ($sortby eq "author") {
                    326:     $byauthor = 1;
                    327: }
                    328: elsif ($sortby eq "log") {
                    329:     $bylog = 1;
                    330: }
                    331: else {
                    332:     $byfile = 1;
                    333: }
1.12      fenner    334:
1.45.2.46  knu       335: $hr_default = $input{'f'} eq 'h';
                    336:
                    337: $logsort = $input{'logsort'};
                    338:
                    339:
                    340: ## Default CVS-Tree
                    341: if (!defined($CVSROOT{$cvstreedefault})) {
                    342:    &fatal("500 Internal Error",
                    343:          "<code>\$cvstreedefault</code> points to a repository "
                    344:          . "not defined in <code>%CVSROOT</code> "
                    345:          . "(edit your configuration file $config)");
1.10      wosch     346: }
                    347:
1.45.2.46  knu       348: # alternate CVS-Tree, configured in cvsweb.conf
                    349: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    350:     $cvstree = $input{'cvsroot'};
                    351: } else {
                    352:     $cvstree = $cvstreedefault;
                    353: }
1.10      wosch     354:
1.45.2.46  knu       355: $cvsroot = $CVSROOT{$cvstree};
                    356:
                    357: # create icons out of description
1.45.2.55! knu       358: my $k;
        !           359: foreach $k (keys %ICONS) {
1.45.2.46  knu       360:     no strict 'refs';
                    361:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    362:     if ($ipath) {
                    363:        ${"${k}icon"} = "<IMG SRC=\"$ipath\" ALT=\"$itxt\" BORDER=\"0\" WIDTH=\"$iwidth\" HEIGHT=\"$iheight\">";
1.16      wosch     364:     }
1.45.2.46  knu       365:     else {
                    366:        ${"${k}icon"} = $itxt;
1.24      wosch     367:     }
                    368: }
1.45.2.55! knu       369: undef $k;
1.24      wosch     370:
1.45.2.53  knu       371: my $config_cvstree = "$config-$cvstree";
                    372:
1.45.2.46  knu       373: # Do some special configuration for cvstrees
1.45.2.53  knu       374: if (-f $config_cvstree) {
                    375:    do $config_cvstree
                    376:      || &fatal("500 Internal Error",
                    377:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    378:                       $config_cvstree, &htmlify($@)));
                    379: }
1.45.2.55! knu       380: undef $config_cvstree;
1.24      wosch     381:
1.45.2.46  knu       382: $prcategories = '(?:' . join('|', @prcategories) . ')';
1.45.2.49  knu       383: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.45.2.46  knu       384:
                    385: $fullname = $cvsroot . '/' . $where;
                    386: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    387: $defaultTextPlain = ($mimetype eq "text/plain");
                    388: $defaultViewable = $allow_markup && viewable($mimetype);
                    389:
                    390: # search for GZIP if compression allowed
                    391: # We've to find out if the GZIP-binary exists .. otherwise
                    392: # ge get an Internal Server Error if we try to pipe the
1.45.2.47  knu       393: # output through the nonexistent gzip ..
1.45.2.46  knu       394: # any more elegant ways to prevent this are welcome!
1.45.2.51  knu       395: if ($allow_compress && $maycompress && !$has_zlib) {
1.45.2.46  knu       396:     foreach (split(/:/, $ENV{PATH})) {
                    397:        if (-x "$_/gzip") {
                    398:            $GZIPBIN = "$_/gzip";
                    399:            last;
1.16      wosch     400:        }
                    401:     }
                    402: }
                    403:
1.1       jfieber   404: if (-d $fullname) {
1.45.2.46  knu       405:     #
                    406:     # ensure, that directories always end with (exactly) one '/'
                    407:     # to allow relative URL's. If they're not, make a redirect.
                    408:     ##
                    409:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    410:        redirect ($scriptwhere . '/' . $query);
                    411:     }
                    412:     else {
                    413:        $where .= '/';
                    414:        $scriptwhere .= '/';
                    415:     }
                    416: }
                    417:
                    418: if (!-d $cvsroot) {
                    419:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    420: }
                    421:
                    422: #
                    423: # See if the module is in our forbidden list.
                    424: #
                    425: $where =~ m:([^/]*):;
                    426: $module = $1;
                    427: if ($module && &forbidden_module($module)) {
                    428:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    429: }
                    430: ##############################
                    431: # View a directory
                    432: ###############################
                    433: elsif (-d $fullname) {
                    434:        my $dh = do {local(*DH);};
                    435:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    436:        my @dir = readdir($dh);
                    437:        closedir($dh);
                    438:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    439:            if ($show_subdir_lastmod);
                    440:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    441:
                    442:        if ($where eq '/') {
                    443:            html_header($defaulttitle);
                    444:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    445:            print $long_intro;
                    446:        }
                    447:        else {
                    448:            html_header($where);
                    449:            print $short_instruction;
                    450:        }
                    451:
                    452:        my $descriptions;
                    453:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    454:            while (<DESC>) {
                    455:                chomp;
                    456:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    457:                $descriptions{$dir} = $description;
                    458:            }
1.1       jfieber   459:        }
1.45.2.46  knu       460:
                    461:        print "<P><a name=\"dirlist\"></a>\n";
                    462:        # give direct access to dirs
                    463:        if ($where eq '/') {
                    464:            chooseMirror();
                    465:            chooseCVSRoot();
                    466:        }
                    467:        else {
                    468:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    469:
                    470:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    471:                $input{only_with_tag};
                    472:
                    473:        }
1.45.2.47  knu       474:
1.45.2.46  knu       475:
                    476:        print "<HR NOSHADE>\n";
1.1       jfieber   477:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    478:        # provides the results that I want in most browsers.  Another
                    479:        # case of layout spooging up HTML.
1.45.2.47  knu       480:
1.45.2.46  knu       481:        my $infocols = 0;
                    482:        if ($dirtable) {
                    483:            if (defined($tableBorderColor)) {
                    484:                # Can't this be done by defining the border for the inner table?
                    485:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    486:            }
                    487:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    488:            $infocols++;
1.45.2.47  knu       489:            print "<tr><th align=left bgcolor=\"" . (($byfile) ?
                    490:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       491:                                                   $columnHeaderColorDefault) . "\">";
                    492:            print "<a href=\"./" . &toggleQuery("sortby","file") .
                    493:                "#dirlist\">" if (!$byfile);
                    494:            print "File";
                    495:            print "</a>" if (!$byfile);
                    496:            print "</th>";
                    497:            # do not display the other column-headers, if we do not have any files
                    498:            # with revision information:
                    499:            if (scalar(%fileinfo)) {
                    500:                $infocols++;
1.45.2.47  knu       501:                print "<th align=left bgcolor=\"" . (($byrev) ?
                    502:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       503:                                                   $columnHeaderColorDefault) . "\">";
                    504:                print "<a href=\"./" . &toggleQuery ("sortby","rev") .
                    505:                    "#dirlist\">" if (!$byrev);
                    506:                print "Rev.";
                    507:                print "</a>" if (!$byrev);
                    508:                print "</th>";
                    509:                $infocols++;
1.45.2.47  knu       510:                print "<th align=left bgcolor=\"" . (($bydate) ?
                    511:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       512:                                                   $columnHeaderColorDefault) . "\">";
                    513:                print "<a href=\"./" . &toggleQuery ("sortby","date") .
                    514:                    "#dirlist\">" if (!$bydate);
                    515:                print "Age";
                    516:                print "</a>" if (!$bydate);
                    517:                print "</th>";
                    518:                if ($show_author) {
                    519:                    $infocols++;
1.45.2.47  knu       520:                    print "<th align=left bgcolor=\"" . (($byauthor) ?
                    521:                                                   $columnHeaderColorSorted :
1.45.2.46  knu       522:                                                   $columnHeaderColorDefault) . "\">";
                    523:                    print "<a href=\"./" . &toggleQuery ("sortby","author") .
                    524:                            "#dirlist\">" if (!$byauthor);
                    525:                    print "Author";
                    526:                    print "</a>" if (!$byauthor);
                    527:                    print "</th>";
                    528:                }
                    529:                $infocols++;
1.45.2.47  knu       530:                print "<th align=left bgcolor=\"" . (($bylog) ?
                    531:                                               $columnHeaderColorSorted :
1.45.2.46  knu       532:                                               $columnHeaderColorDefault) . "\">";
                    533:                print "<a href=\"./", toggleQuery("sortby","log"), "#dirlist\">" if (!$bylog);
                    534:                print "Last log entry";
                    535:                print "</a>" if (!$bylog);
                    536:                print "</th>";
                    537:            }
                    538:            elsif ($use_descriptions) {
                    539:                print "<th align=left bgcolor=\"". $columnHeaderColorDefault . "\">";
                    540:                print "Description";
                    541:                $infocols++;
                    542:            }
                    543:            print "</tr>\n";
                    544:        }
                    545:        else {
                    546:            print "<menu>\n";
                    547:        }
                    548:        my $dirrow = 0;
1.45.2.47  knu       549:
1.45.2.46  knu       550:        my $i;
1.9       fenner    551:        lookingforattic:
                    552:        for ($i = 0; $i <= $#dir; $i++) {
                    553:                if ($dir[$i] eq "Attic") {
1.45.2.46  knu       554:                    last lookingforattic;
1.9       fenner    555:                }
                    556:        }
1.45.2.46  knu       557:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    558:            opendir($dh, $fullname . "/Attic")) {
                    559:            splice(@dir, $i, 1,
                    560:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    561:            closedir($dh);
1.9       fenner    562:        }
1.45.2.46  knu       563:
1.45.2.47  knu       564:        my $hideAtticToggleLink = "<a href=\"./" .
1.45.2.46  knu       565:                &toggleQuery ("hideattic") .
                    566:                "#dirlist\">[Hide]</a>" if (!$input{'hideattic'});
                    567:
1.9       fenner    568:        # Sort without the Attic/ pathname.
1.45.2.46  knu       569:        # place directories first
                    570:
                    571:        my $attic;
                    572:        my $url;
                    573:        my $fileurl;
                    574:        my $filesexists;
                    575:        my $filesfound;
                    576:
                    577:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   578:            if ($_ eq '.') {
                    579:                next;
                    580:            }
1.19      wosch     581:            # ignore CVS lock and stale NFS files
1.45.2.46  knu       582:            next if (/^#cvs\.|^,|^\.nfs/);
                    583:
                    584:            # Check whether to show the CVSROOT path
                    585:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    586:
                    587:            # Check whether the module is in the restricted list
                    588:            next if ($_ && &forbidden_module($_));
                    589:
                    590:            # Ignore non-readable files
                    591:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     592:
1.9       fenner    593:            if (s|^Attic/||) {
1.45.2.46  knu       594:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    595:            }
                    596:            else {
1.9       fenner    597:                $attic = "";
                    598:            }
1.45.2.46  knu       599:
                    600:            if ($_ eq '..' || -d "$fullname/$_") {
                    601:                next if ($_ eq '..' && $where eq '/');
                    602:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    603:                    if (defined($fileinfo{$_}));
                    604:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    605:                if ($_ eq '..') {
                    606:                    $url = "../" . $query;
                    607:                    if ($nofilelinks) {
                    608:                        print $backicon;
                    609:                    }
                    610:                    else {
                    611:                        print &link($backicon,$url);
                    612:                    }
                    613:                    print " ", &link("Previous Directory",$url);
                    614:                }
                    615:                else {
                    616:                    $url = urlencode($_) . '/' . $query;
                    617:                    print "<A NAME=\"$_\"></A>";
                    618:                    if ($nofilelinks) {
                    619:                        print $diricon;
                    620:                    }
                    621:                    else {
                    622:                        print &link($diricon,$url);
                    623:                    }
                    624:                    print " ", &link($_ . "/", $url), $attic;
                    625:                    if ($_ eq "Attic") {
1.45.2.47  knu       626:                        print "&nbsp; <a href=\"./" .
1.45.2.46  knu       627:                            &toggleQuery ("hideattic") .
                    628:                                "#dirlist\">[Don't hide]</a>";
                    629:                    }
1.45.2.47  knu       630:                }
1.45.2.46  knu       631:                # Show last change in dir
                    632:                if ($filename) {
                    633:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    634:                    if ($date) {
                    635:                        print " <i>" . readableTime(time() - $date,0) . "</i>";
                    636:                    }
                    637:                    if ($show_author) {
                    638:                        print "</td><td>&nbsp;" if ($dirtable);
                    639:                        print $author;
                    640:                    }
                    641:                    print "</td><td>&nbsp;" if ($dirtable);
                    642:                    $filename =~ s%^[^/]+/%%;
                    643:                    print "$filename/$rev";
                    644:                    print "<BR>" if ($dirtable);
                    645:                    if ($log) {
                    646:                        print "&nbsp;<font size=-1>"
                    647:                            . &htmlify(substr($log,0,$shortLogLen));
                    648:                        if (length $log > 80) {
                    649:                            print "...";
                    650:                        }
                    651:                        print "</font>";
                    652:                    }
                    653:                }
                    654:                else {
                    655:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    656:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
                    657:                        print "<TD COLSPAN=" . ($infocols-1) . ">&nbsp;" if $dirtable;
                    658:                        print $descriptions{$dwhere};
                    659:                    } elsif ($dirtable && $infocols > 1) {
                    660:                        # close the row with the appropriate number of
                    661:                        # columns, so that the vertical seperators are visible
                    662:                        my($cols) = $infocols;
                    663:                        while ($cols > 1) {
                    664:                            print "</td><td>&nbsp;";
                    665:                            $cols--;
                    666:                        }
                    667:                    }
                    668:                }
                    669:                if ($dirtable) {
                    670:                    print "</td></tr>\n";
                    671:                }
                    672:                else {
                    673:                    print "<br>\n";
                    674:                }
                    675:                $dirrow++;
1.9       fenner    676:            }
1.45.2.46  knu       677:            elsif (s/,v$//) {
                    678:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    679:                $url = $fileurl . $query;
                    680:                my $rev = '';
                    681:                my $date = '';
                    682:                my $log = '';
                    683:                my $author = '';
                    684:                $filesexists++;
                    685:                next if (!defined($fileinfo{$_}));
                    686:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    687:                $filesfound++;
                    688:                print "<tr bgcolor=\"" . @tabcolors[$dirrow%2] . "\"><td>" if ($dirtable);
                    689:                print "<A NAME=\"$_\"></A>";
                    690:                if ($nofilelinks) {
                    691:                    print $fileicon;
                    692:                }
                    693:                else {
                    694:                    print &link($fileicon,$url);
                    695:                }
                    696:                print " ", &link($_, $url), $attic;
                    697:                print "</td><td>&nbsp;" if ($dirtable);
                    698:                download_link($fileurl,
1.45.2.47  knu       699:                        $rev, $rev,
1.45.2.46  knu       700:                        $defaultViewable ? "text/x-cvsweb-markup" : undef);
                    701:                print "</td><td>&nbsp;" if ($dirtable);
                    702:                if ($date) {
                    703:                    print " <i>" . readableTime(time() - $date,0) . "</i>";
                    704:                }
                    705:                if ($show_author) {
                    706:                    print "</td><td>&nbsp;" if ($dirtable);
                    707:                    print $author;
                    708:                }
                    709:                print "</td><td>&nbsp;" if ($dirtable);
                    710:                if ($log) {
                    711:                    print " <font size=-1>" . &htmlify(substr($log,0,$shortLogLen));
                    712:                    if (length $log > 80) {
                    713:                        print "...";
                    714:                    }
                    715:                    print "</font>";
                    716:                }
                    717:                print "</td>" if ($dirtable);
                    718:                print (($dirtable) ? "</tr>" : "<br>");
                    719:                $dirrow++;
                    720:            }
                    721:            print "\n";
                    722:        }
                    723:        if ($dirtable && defined($tableBorderColor)) {
                    724:            print "</td></tr></table>";
                    725:        }
                    726:        print "". ($dirtable == 1) ? "</table>" : "</menu>" . "\n";
1.45.2.47  knu       727:
1.45.2.46  knu       728:        if ($filesexists && !$filesfound) {
                    729:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    730:        }
                    731:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    732:            %tags = %alltags
                    733:        }
1.45.2.47  knu       734:        if (scalar %tags
                    735:            || $input{only_with_tag}
1.45.2.46  knu       736:            || $edit_option_form
                    737:            || defined($input{"options"})) {
                    738:            print "<hr size=1 NOSHADE>";
                    739:        }
                    740:
                    741:        if (scalar %tags || $input{only_with_tag}) {
                    742:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    743:            foreach my $var (@stickyvars) {
                    744:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    745:                    if (defined($input{$var})
1.45.2.51  knu       746:                        && (!defined($DEFAULTVALUE{$var})
                    747:                            || $input{$var} ne $DEFAULTVALUE{$var})
1.45.2.46  knu       748:                        && $input{$var} ne ""
                    749:                        && $var ne "only_with_tag");
                    750:            }
                    751:            print "Show only files with tag:\n";
                    752:            print "<SELECT NAME=only_with_tag";
                    753:            print " onchange=\"submit()\"" if ($use_java_script);
                    754:            print ">";
                    755:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    756:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
1.45.2.47  knu       757:                print "<OPTION",defined($input{only_with_tag}) &&
                    758:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
1.45.2.46  knu       759:                       ">$tag\n";
                    760:            }
                    761:            print "</SELECT>\n";
                    762:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    763:            print "</FORM>\n";
                    764:        }
1.45.2.46  knu       765:        my $formwhere = $scriptwhere;
                    766:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    767:
                    768:        if ($edit_option_form || defined($input{"options"})) {
                    769:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    770:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    771:            if ($cvstree ne $cvstreedefault) {
                    772:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    773:            }
                    774:            print "<center><table cellpadding=0 cellspacing=0>";
                    775:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    776:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    777:            print "<OPTION VALUE=\"\">File";
                    778:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    779:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    780:                if ($show_author);
                    781:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    782:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    783:            print "</SELECT></td>";
                    784:            print "<td>revisions by: \n";
                    785:            print "<SELECT NAME=logsort>\n";
                    786:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    787:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    788:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    789:            print "</SELECT></td></tr>";
                    790:            print "<tr><td>Diff format: ";
1.45.2.47  knu       791:            printDiffSelect(0);
1.45.2.46  knu       792:            print "</td>";
                    793:            print "<td>Show Attic files: ";
1.45.2.47  knu       794:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
1.45.2.46  knu       795:            "></td></tr>\n";
                    796:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    797:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    798:        }
1.2       jfieber   799:        print &html_footer;
1.1       jfieber   800:        print "</BODY></HTML>\n";
1.45.2.47  knu       801:     }
1.45.2.46  knu       802:
                    803: ###############################
                    804: # View Files
                    805: ###############################
                    806:     elsif (-f $fullname . ',v') {
                    807:        if (defined($input{'rev'}) || $doCheckout) {
                    808:            &doCheckout($fullname, $input{'rev'});
1.45.2.52  knu       809:            gzipclose();
1.45.2.46  knu       810:            exit;
                    811:        }
                    812:        if (defined($input{'annotate'}) && $allow_annotate) {
                    813:            &doAnnotate($input{'annotate'});
1.45.2.52  knu       814:            gzipclose();
1.45.2.46  knu       815:            exit;
                    816:        }
                    817:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    818:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    819:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
1.45.2.52  knu       820:            gzipclose();
1.45.2.46  knu       821:            exit;
                    822:        }
                    823:        print("going to dolog($fullname)\n") if ($verbose);
                    824:        &doLog($fullname);
                    825: ##############################
                    826: # View Diff
                    827: ##############################
                    828:     }
                    829:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    830:           $input{'r1'} && $input{'r2'}) {
                    831:
                    832:        # $where-diff-removal if 'cvs rdiff' is used
                    833:        # .. but 'cvs rdiff'doesn't support some options
                    834:        # rcsdiff does (-w and -p), so it is disabled
                    835:        # $where =~ s/\.diff$//;
                    836:
1.12      fenner    837:        # Allow diffs using the ".diff" extension
                    838:        # so that browsers that default to the URL
                    839:        # for a save filename don't save diff's as
                    840:        # e.g. foo.c
1.45.2.46  knu       841:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    842:                $input{'r2'}, $input{'tr2'}, $input{'f'});
1.45.2.52  knu       843:        gzipclose();
1.12      fenner    844:        exit;
1.45.2.46  knu       845:     }
                    846:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    847:           -f $newname . ",v") {
1.12      fenner    848:        # The file has been removed and is in the Attic.
                    849:        # Send a redirect pointing to the file in the Attic.
1.45.2.46  knu       850:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    851:        &redirect($newplace);
                    852:        exit;
1.45.2.46  knu       853:     }
                    854:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    855:        http_header("text/plain");
1.12      fenner    856:        print "You matched the following files:\n";
                    857:        print join("\n", @files);
                    858:        # Find the tags from each file
                    859:        # Display a form offering diffs between said tags
1.45.2.46  knu       860:     }
                    861:     else {
                    862:        my $fh = do {local(*FH);};
                    863:        my ($xtra, $module);
1.12      fenner    864:        # Assume it's a module name with a potential path following it.
1.13      fenner    865:        $xtra = $& if (($module = $where) =~ s|/.*||);
1.12      fenner    866:        # Is there an indexed version of modules?
1.45.2.46  knu       867:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    868:            while (<$fh>) {
                    869:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    870:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    871:                    &redirect($scriptname . '/' . $2 . $xtra);
1.12      fenner    872:                }
1.45.2.46  knu       873:            }
1.12      fenner    874:        }
                    875:        &fatal("404 Not Found","$where: no such file or directory");
1.45.2.46  knu       876:     }
1.45.2.51  knu       877:
1.45.2.52  knu       878: gzipclose();
1.45.2.46  knu       879: ## End MAIN
                    880:
1.45.2.47  knu       881: sub printDiffSelect($) {
1.45.2.46  knu       882:     my ($use_java_script) = @_;
                    883:     my ($f) = $input{'f'};
                    884:     print "<SELECT NAME=\"f\"";
                    885:     print " onchange=\"submit()\"" if ($use_java_script);
                    886:     print ">\n";
                    887:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    888:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    889:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    890:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    891:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    892:     print "</SELECT>";
                    893: }
                    894:
1.45.2.47  knu       895: sub findLastModifiedSubdirs(@) {
1.45.2.46  knu       896:     my (@dirs) = @_;
                    897:     my ($dirname, @files);
                    898:
                    899:     foreach $dirname (@dirs) {
                    900:        next if ($dirname eq ".");
                    901:        next if ($dirname eq "..");
                    902:        my ($dir) = "$fullname/$dirname";
                    903:        next if (!-d $dir);
                    904:
                    905:        my ($lastmod) = undef;
                    906:        my ($lastmodtime) = undef;
                    907:        my $dh = do {local(*DH);};
                    908:
                    909:        opendir($dh,$dir) || next;
                    910:        my (@filenames) = readdir($dh);
                    911:        closedir($dh);
                    912:
                    913:        foreach my $filename (@filenames) {
                    914:            $filename = "$dirname/$filename";
                    915:            my ($file) = "$fullname/$filename";
                    916:            next if ($filename !~ /,v$/ || !-f $file);
                    917:            $filename =~ s/,v$//;
                    918:            my $modtime = -M $file;
                    919:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    920:                $lastmod = $filename;
                    921:                $lastmodtime = $modtime;
                    922:            }
                    923:        }
                    924:        push(@files, $lastmod) if (defined($lastmod));
                    925:     }
                    926:     return @files;
1.12      fenner    927: }
                    928:
1.45.2.47  knu       929: sub htmlify($;$) {
1.45.2.49  knu       930:        my($string, $extra) = @_;
1.12      fenner    931:
1.45.2.46  knu       932:        # Special Characters; RFC 1866
1.12      fenner    933:        $string =~ s/&/&amp;/g;
1.45.2.47  knu       934:        $string =~ s/\"/&quot;/g;
1.12      fenner    935:        $string =~ s/</&lt;/g;
                    936:        $string =~ s/>/&gt;/g;
                    937:
1.45.2.46  knu       938:        # get URL's as link ..
1.45.2.50  knu       939:        $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;    # `
1.45.2.46  knu       940:        # get e-mails as link
1.45.2.50  knu       941:        $string =~ s`([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})`<A HREF="mailto:$1">$1</A>`g;    # `
1.45.2.46  knu       942:
1.45.2.49  knu       943:        if ($extra) {
                    944:            # get PR #'s as link ..
                    945:            if (defined($prcgi)) {
1.45.2.55! knu       946:                1 while $string =~ s`\b(pr[:#]?\s*(?:#?\d+[,\s]\s*)*#?)(\d+)\b`$1 . &link($2, sprintf($prcgi, $2))`ie; # `;
        !           947:                $string =~ s`\b${prcategories}/(\d+)\b`&link($&, sprintf($prcgi, $1))`igeo;     # `;
1.45.2.49  knu       948:            }
                    949:
                    950:            # get manpage specs as link ..
                    951:            if (defined($mancgi)) {
1.45.2.55! knu       952:                $string =~ s`\b([a-zA-Z]\w+)(?:\(([0-9n])\)\B|\.([0-9n])\b)`&link($&, sprintf($mancgi, $2 ne '' ? $2 : $3, $1))`ge; # `x;
1.45.2.49  knu       953:            }
1.12      fenner    954:        }
                    955:
1.45.2.46  knu       956:        return $string;
                    957: }
                    958:
1.45.2.51  knu       959: sub spacedHtmlText($;$) {
1.45.2.47  knu       960:        local $_ = $_[0];
1.45.2.51  knu       961:        my $ts = $_[1] || $tabstop;
1.45.2.46  knu       962:
1.45.2.51  knu       963:        # Cut trailing spaces and tabs
                    964:        s/[ \t]+$//;
1.45.2.46  knu       965:
1.45.2.51  knu       966:         if (defined($ts)) {
                    967:            # Expand tabs
                    968:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                    969:        }
1.45.2.46  knu       970:
                    971:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                    972:        # gzip can make excellent use of this repeating pattern :-)
                    973:        if ($hr_breakable) {
                    974:            # make every other space 'breakable'
1.45.2.47  knu       975:            s/  / \001nbsp;/g;                              # 2 * <space>
1.45.2.46  knu       976:            # leave single space as it is
1.45.2.51  knu       977:        } else {
1.45.2.47  knu       978:            s/ /\001nbsp;/g;
1.45.2.46  knu       979:        }
                    980:
1.45.2.47  knu       981:        $_ = htmlify($_);
1.45.2.46  knu       982:
                    983:        # unescape
1.45.2.51  knu       984:        y/\001/&/;
1.45.2.46  knu       985:
1.45.2.47  knu       986:        return $_;
1.12      fenner    987: }
                    988:
1.45.2.47  knu       989: sub link($$) {
1.45.2.46  knu       990:        my($name, $where) = @_;
1.12      fenner    991:
1.45.2.55! knu       992:        return "<A HREF=\"$where\">$name</A>";
1.12      fenner    993: }
                    994:
1.45.2.47  knu       995: sub revcmp($$) {
1.45.2.46  knu       996:        my($rev1, $rev2) = @_;
1.45.2.48  knu       997:
                    998:        # make no comparison for a tag or a branch
                    999:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1000:
1.45.2.46  knu      1001:        my(@r1) = split(/\./, $rev1);
                   1002:        my(@r2) = split(/\./, $rev2);
                   1003:        my($a,$b);
1.12      fenner   1004:
                   1005:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1006:            if ($a != $b) {
                   1007:                return $a <=> $b;
                   1008:            }
                   1009:        }
                   1010:        if (@r1) { return 1; }
                   1011:        if (@r2) { return -1; }
                   1012:        return 0;
                   1013: }
                   1014:
1.45.2.47  knu      1015: sub fatal($$) {
1.45.2.46  knu      1016:        my($errcode, $errmsg) = @_;
                   1017:        if ($is_mod_perl) {
                   1018:                Apache->request->status((split(/ /, $errcode))[0]);
                   1019:        }
                   1020:        else {
                   1021:                print "Status: $errcode\r\n";
                   1022:        }
                   1023:        html_header("Error");
1.12      fenner   1024:        print "Error: $errmsg\n";
                   1025:        print &html_footer;
                   1026:        exit(1);
                   1027: }
                   1028:
1.45.2.47  knu      1029: sub redirect($) {
1.45.2.46  knu      1030:        my($url) = @_;
                   1031:        if ($is_mod_perl) {
                   1032:                Apache->request->status(301);
                   1033:                Apache->request->header_out(Location => $url);
                   1034:        }
                   1035:        else {
                   1036:                print "Status: 301 Moved\r\n";
                   1037:                print "Location: $url\r\n";
                   1038:        }
                   1039:        html_header("Moved");
1.12      fenner   1040:        print "This document is located <A HREF=$url>here</A>.\n";
                   1041:        print &html_footer;
                   1042:        exit(1);
                   1043: }
                   1044:
1.45.2.47  knu      1045: sub safeglob($) {
1.45.2.46  knu      1046:        my ($filename) = @_;
                   1047:        my ($dirname);
                   1048:        my (@results);
                   1049:        my $dh = do {local(*DH);};
1.12      fenner   1050:
                   1051:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1052:        $filename =~ s|.*/||;
                   1053:
1.45.2.46  knu      1054:        if (opendir($dh, $dirname)) {
                   1055:                my $glob = $filename;
                   1056:                my $t;
1.12      fenner   1057:        #       transform filename from glob to regex.  Deal with:
                   1058:        #       [, {, ?, * as glob chars
                   1059:        #       make sure to escape all other regex chars
                   1060:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1061:                $glob =~ s/\*/.*/g;
                   1062:                $glob =~ s/\?/./g;
                   1063:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
1.45.2.46  knu      1064:                foreach (readdir($dh)) {
1.12      fenner   1065:                        if (/^${glob}$/) {
                   1066:                                push(@results, $dirname . "/" .$_);
                   1067:                        }
                   1068:                }
                   1069:        }
                   1070:
                   1071:        @results;
                   1072: }
                   1073:
1.45.2.47  knu      1074: sub getMimeTypeFromSuffix($) {
1.45.2.46  knu      1075:     my ($fullname) = @_;
                   1076:     my ($mimetype, $suffix);
                   1077:     my $fh = do {local(*FH);};
                   1078:
                   1079:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1080:     $mimetype = $MTYPES{$suffix};
                   1081:     $mimetype = $MTYPES{'*'} if (!$mimetype);
1.45.2.47  knu      1082:
1.45.2.46  knu      1083:     if (!$mimetype && -f $mime_types) {
                   1084:        # okey, this is something special - search the
                   1085:        # mime.types database
                   1086:        open ($fh, "<$mime_types");
                   1087:        while (<$fh>) {
                   1088:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1089:                $mimetype = $1;
                   1090:                last;
                   1091:            }
                   1092:        }
                   1093:        close ($fh);
                   1094:     }
1.45.2.47  knu      1095:
1.45.2.46  knu      1096: # okey, didn't find anything useful ..
                   1097:     if (!($mimetype =~ /\S\/\S/)) {
                   1098:        $mimetype = "text/plain";
                   1099:     }
                   1100:     return $mimetype;
                   1101: }
1.12      fenner   1102:
1.45.2.46  knu      1103: ###############################
1.45.2.51  knu      1104: # read first lines like head(1)
                   1105: ###############################
                   1106: sub head($;$) {
                   1107:     my $fh = $_[0];
                   1108:     my $linecount = $_[1] || 10;
                   1109:
                   1110:     my @buf;
                   1111:
                   1112:     if ($linecount > 0) {
                   1113:        my $i;
                   1114:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1115:            push @buf, scalar <$fh>;
                   1116:        }
                   1117:     } else {
                   1118:        @buf = <$fh>;
                   1119:     }
                   1120:
                   1121:     @buf;
                   1122: }
                   1123:
                   1124: ###############################
                   1125: # scan vim and Emacs directives
                   1126: ###############################
                   1127: sub scan_directives(@) {
                   1128:     my $ts = undef;
                   1129:
                   1130:     for (@_) {
                   1131:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1132:     }
                   1133:
                   1134:     ('tabstop' => $ts);
                   1135: }
                   1136:
                   1137: ###############################
1.45.2.46  knu      1138: # show Annotation
                   1139: ###############################
1.45.2.47  knu      1140: sub doAnnotate($$) {
1.45.2.46  knu      1141:     my ($rev) = @_;
                   1142:     my ($pid);
                   1143:     my ($pathname, $filename);
                   1144:     my $reader = do {local(*FH);};
                   1145:     my $writer = do {local(*FH);};
                   1146:
                   1147:     # make sure the revisions a wellformed, for security
                   1148:     # reasons ..
1.45.2.48  knu      1149:     if ($rev =~ /[^\w.]/) {
1.45.2.46  knu      1150:        &fatal("404 Not Found",
                   1151:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1152:     }
                   1153:
                   1154:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1155:     ($filename = $where) =~ s/^.*\///;
                   1156:
                   1157:     # this seems to be necessary
                   1158:     $| = 1; $| = 0; # Flush
                   1159:
                   1160:     # this annotate version is based on the
                   1161:     # cvs annotate-demo Perl script by Cyclic Software
                   1162:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1163:     # the public domain.
                   1164:     # we could abandon the use of rlog, rcsdiff and co using
                   1165:     # the cvsserver in a similiar way one day (..after rewrite)
1.45.2.53  knu      1166:     $pid = open2($reader, $writer, "cvs -Rl server") || fatal ("500 Internal Error",
1.45.2.46  knu      1167:                                                               "Fatal Error - unable to open cvs for annotation");
1.45.2.47  knu      1168:
1.45.2.46  knu      1169:     # OK, first send the request to the server.  A simplified example is:
                   1170:     #     Root /home/kingdon/zwork/cvsroot
                   1171:     #     Argument foo/xx
                   1172:     #     Directory foo
                   1173:     #     /home/kingdon/zwork/cvsroot/foo
                   1174:     #     Directory .
                   1175:     #     /home/kingdon/zwork/cvsroot
                   1176:     #     annotate
                   1177:     # although as you can see there are a few more details.
1.45.2.47  knu      1178:
1.45.2.46  knu      1179:     print $writer "Root $cvsroot\n";
                   1180:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1181:     # Don't worry about sending valid-requests, the server just needs to
                   1182:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1183:     print $writer "UseUnchanged\n";
                   1184:     print $writer "Argument -r\n";
                   1185:     print $writer "Argument $rev\n";
                   1186:     print $writer "Argument $where\n";
                   1187:
                   1188:     # The protocol requires us to fully fake a working directory (at
                   1189:     # least to the point of including the directories down to the one
                   1190:     # containing the file in question).
                   1191:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
                   1192:     my @dirs = split('/', $where);
                   1193:     my $path = "";
                   1194:     foreach (@dirs) {
                   1195:        if ($path eq "") {
                   1196:            # In our example, $_ is "dir".
                   1197:            $path = $_;
1.45.2.47  knu      1198:        }
1.45.2.46  knu      1199:        else {
                   1200:            print $writer "Directory $path\n";
                   1201:            print $writer "$cvsroot/$path\n";
                   1202:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1203:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1204:            # ignored, because we don't need to send Directory for the file).
                   1205:             $path .= "/$_";
1.12      fenner   1206:        }
1.45.2.46  knu      1207:     }
                   1208:     # And the last "Directory" before "annotate" is the top level.
                   1209:     print $writer "Directory .\n";
                   1210:     print $writer "$cvsroot\n";
1.45.2.47  knu      1211:
1.45.2.46  knu      1212:     print $writer "annotate\n";
                   1213:     # OK, we've sent our command to the server.  Thing to do is to
                   1214:     # close the writer side and get all the responses.  If "cvs server"
                   1215:     # were nicer about buffering, then we could just leave it open, I think.
                   1216:     close ($writer) || die "cannot close: $!";
1.45.2.47  knu      1217:
1.45.2.54  knu      1218:     http_header();
                   1219:
                   1220:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1221:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1222:
1.45.2.46  knu      1223:     # Ready to get the responses from the server.
                   1224:     # For example:
                   1225:     #     E Annotations for foo/xx
                   1226:     #     E ***************
1.45.2.47  knu      1227:     #     M 1.3          (kingdon  06-Sep-97): hello
1.45.2.46  knu      1228:     #     ok
                   1229:     my ($lineNr) = 0;
                   1230:     my ($oldLrev, $oldLusr) = ("", "");
                   1231:     my ($revprint, $usrprint);
                   1232:     if ($annTable) {
                   1233:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1234:     }
                   1235:     else {
                   1236:        print "<pre>";
                   1237:     }
1.45.2.51  knu      1238:
                   1239:     # prefetch several lines
                   1240:     my @buf = head($reader);
                   1241:
                   1242:     my %d = scan_directives(@buf);
                   1243:
                   1244:     while (@buf || !eof($reader)) {
                   1245:        $_ = @buf ? shift @buf : <$reader>;
                   1246:
1.45.2.46  knu      1247:        my @words = split;
                   1248:        # Adding one is for the (single) space which follows $words[0].
                   1249:        my $rest = substr ($_, length ($words[0]) + 1);
                   1250:        if ($words[0] eq "E") {
                   1251:            next;
                   1252:        }
                   1253:        elsif ($words[0] eq "M") {
                   1254:            $lineNr++;
1.45.2.54  knu      1255:            (my $lrev = substr($_, 2, 13)) =~ y/ //d;
                   1256:            (my $lusr = substr($_, 16,  9)) =~ y/ //d;
                   1257:            my $line = substr($_, 36);
                   1258:            my $isCurrentRev = ($rev eq $lrev);
1.45.2.46  knu      1259:            # we should parse the date here ..
                   1260:            if ($lrev eq $oldLrev) {
1.45.2.54  knu      1261:                $revprint = sprintf('%-8s', '');
1.45.2.46  knu      1262:            }
                   1263:            else {
1.45.2.54  knu      1264:                $revprint = sprintf('%-8s', $lrev);
                   1265:                $revprint =~ s`\S+`<a href="${scriptwhere}${barequery}#rev$1">$&</A>`;  # `
                   1266:                $oldLusr = '';
1.45.2.46  knu      1267:            }
                   1268:            if ($lusr eq $oldLusr) {
1.45.2.54  knu      1269:                $usrprint = '';
1.45.2.46  knu      1270:            }
                   1271:            else {
                   1272:                $usrprint = $lusr;
                   1273:            }
                   1274:            $oldLrev = $lrev;
                   1275:            $oldLusr = $lusr;
1.45.2.47  knu      1276:
1.45.2.54  knu      1277:            # Set bold for text-based browsers only - graphical
                   1278:            # browsers show bold fonts a bit wider than regular fonts,
                   1279:            # so it looks irregular.
                   1280:            print "<b>" if ($isCurrentRev && $is_textbased);
                   1281:
1.45.2.55! knu      1282:            printf "%s%s %-8s %4d:",
1.45.2.54  knu      1283:                    $revprint,
                   1284:                    $isCurrentRev ? '!' : ' ',
                   1285:                    $usrprint,
1.45.2.55! knu      1286:                    $lineNr;
1.45.2.51  knu      1287:            print spacedHtmlText($line, $d{'tabstop'});
1.45.2.54  knu      1288:
                   1289:            print "</b>" if ($isCurrentRev && $is_textbased);
1.45.2.46  knu      1290:        }
                   1291:        elsif ($words[0] eq "ok") {
                   1292:            # We could complain about any text received after this, like the
                   1293:            # CVS command line client.  But for simplicity, we don't.
                   1294:        }
                   1295:        elsif ($words[0] eq "error") {
                   1296:            fatal ("500 Internal Error", "Error occured during annotate: <b>$_</b>");
                   1297:        }
                   1298:     }
                   1299:     if ($annTable) {
                   1300:        print "</table>";
                   1301:     }
                   1302:     else {
                   1303:        print "</pre>";
                   1304:     }
                   1305:     close ($reader) || warn "cannot close: $!";
                   1306:     wait;
                   1307: }
                   1308:
                   1309: ###############################
                   1310: # make Checkout
                   1311: ###############################
1.45.2.47  knu      1312: sub doCheckout($$) {
1.45.2.46  knu      1313:     my ($fullname, $rev) = @_;
                   1314:     my ($mimetype,$revopt);
                   1315:     my $fh = do {local(*FH);};
                   1316:
1.45.2.48  knu      1317:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1318:        $rev = undef;
                   1319:     }
                   1320:
1.45.2.46  knu      1321:     # make sure the revisions a wellformed, for security
                   1322:     # reasons ..
1.45.2.48  knu      1323:     if (defined($rev) && $rev =~ /[^\w.]/) {
1.45.2.46  knu      1324:        &fatal("404 Not Found",
                   1325:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1326:     }
                   1327:
                   1328:     # get mimetype
                   1329:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1330:        $mimetype = $input{"content-type"}
                   1331:     }
                   1332:     else {
                   1333:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1334:     }
                   1335:
                   1336:     if (defined($rev)) {
                   1337:        $revopt = "-r$rev";
                   1338:        if ($use_moddate) {
                   1339:            readLog($fullname,$rev);
                   1340:            $moddate=$date{$rev};
                   1341:        }
                   1342:     }
                   1343:     else {
                   1344:        $revopt = "-rHEAD";
                   1345:        if ($use_moddate) {
                   1346:            readLog($fullname);
                   1347:            $moddate=$date{$symrev{HEAD}};
                   1348:        }
                   1349:     }
1.45.2.47  knu      1350:
1.45.2.46  knu      1351:     ### just for the record:
                   1352:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1353:     ### directories/files having spaces in it;
                   1354:     ### this is an issue that should be resolved on cvs's side
                   1355:     #
                   1356:     # Safely for a child process to read from.
                   1357:     if (! open($fh, "-|")) { # child
                   1358:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.48  knu      1359:       exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
1.45.2.47  knu      1360:     }
1.45.2.46  knu      1361: #===================================================================
                   1362: #Checking out squid/src/ftp.c
                   1363: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1364: #VERS: 1.1.1.28.6.2
                   1365: #***************
                   1366:
                   1367:     # Parse CVS header
                   1368:     my ($revision, $filename, $cvsheader);
                   1369:     while(<$fh>) {
                   1370:        last if (/^\*\*\*\*/);
                   1371:        $revision = $1 if (/^VERS: (.*)$/);
                   1372:        if (/^Checking out (.*)$/) {
                   1373:                $filename = $1;
                   1374:                $filename =~ s/^\.\/*//;
                   1375:        }
                   1376:        $cvsheader .= $_;
                   1377:     }
                   1378:     if ($filename ne $where) {
                   1379:        &fatal("500 Internal Error",
                   1380:               "Unexpected output from cvs co: $cvsheader"
                   1381:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1382:               . "and the script has write-access to the CVSROOT/history "
                   1383:               . "file if it exists."
                   1384:               . "<br>The script needs to place lock files in the "
                   1385:               . "directory the file is in as well.</b>");
                   1386:     }
                   1387:     $| = 1;
                   1388:
                   1389:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1390:        &cvswebMarkup($fh,$fullname,$revision);
                   1391:     }
                   1392:     else {
                   1393:        http_header($mimetype);
                   1394:        print <$fh>;
                   1395:     }
                   1396:     close($fh);
                   1397: }
                   1398:
1.45.2.47  knu      1399: sub cvswebMarkup($$$) {
1.45.2.46  knu      1400:     my ($filehandle,$fullname,$revision) = @_;
                   1401:     my ($pathname, $filename);
                   1402:
                   1403:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1404:     ($filename = $where) =~ s/^.*\///;
                   1405:     my ($fileurl) = urlencode($filename);
                   1406:
                   1407:     http_header();
                   1408:
1.45.2.47  knu      1409:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
1.45.2.46  knu      1410:     print "<HR noshade>";
                   1411:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1412:     print "File: ", &clickablePath($where, 1);
                   1413:     print "&nbsp;";
                   1414:     &download_link(urlencode($fileurl), $revision, "(download)");
                   1415:     if (!$defaultTextPlain) {
                   1416:        print "&nbsp;";
1.45.2.47  knu      1417:        &download_link(urlencode($fileurl), $revision, "(as text)",
1.45.2.46  knu      1418:               "text/plain");
                   1419:     }
                   1420:     print "<BR>\n";
                   1421:     if ($show_log_in_markup) {
                   1422:        readLog($fullname); #,$revision);
                   1423:        printLog($revision,0);
                   1424:     }
                   1425:     else {
                   1426:        print "Version: <B>$revision</B><BR>\n";
                   1427:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1428:            $input{only_with_tag};
                   1429:     }
                   1430:     print "</td></tr></table>";
                   1431:     my $url = download_url($fileurl, $revision, $mimetype);
                   1432:     print "<HR noshade>";
                   1433:     if ($mimetype =~ /^image/) {
                   1434:        print "<IMG SRC=\"$url$barequery\"><BR>";
                   1435:     }
1.45.2.51  knu      1436:     elsif ($mimetype =~ m%^application/pdf%) {
                   1437:        print "<EMBED SRC=\"$url$barequery\" WIDTH=\"100%\"><BR>";
                   1438:     }
1.45.2.46  knu      1439:     else {
                   1440:        print "<PRE>";
1.45.2.51  knu      1441:
                   1442:        # prefetch several lines
                   1443:        my @buf = head($filehandle);
                   1444:
                   1445:        my %d = scan_directives(@buf);
                   1446:
                   1447:        while (@buf || !eof($filehandle)) {
                   1448:            $_ = @buf ? shift @buf : <$filehandle>;
                   1449:
                   1450:            print spacedHtmlText($_, $d{'tabstop'});
1.12      fenner   1451:        }
1.45.2.46  knu      1452:        print "</PRE>";
                   1453:     }
1.12      fenner   1454: }
                   1455:
1.45.2.46  knu      1456: sub viewable($) {
                   1457:     my ($mimetype) = @_;
                   1458:
1.45.2.51  knu      1459:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
1.45.2.46  knu      1460: }
                   1461:
                   1462: ###############################
                   1463: # Show Colored Diff
                   1464: ###############################
1.45.2.47  knu      1465: sub doDiff($$$$$$) {
1.45.2.46  knu      1466:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1467:         my $fh = do {local(*FH);};
                   1468:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
1.12      fenner   1469:
                   1470:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1471:            $rev1 = $1;
                   1472:            $sym1 = $3;
                   1473:        }
1.45.2.46  knu      1474:        if ($r1 eq 'text') {
1.12      fenner   1475:            $rev1 = $tr1;
1.45.2.46  knu      1476:            $sym1 = "";
1.12      fenner   1477:        }
                   1478:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1479:            $rev2 = $1;
                   1480:            $sym2 = $3;
                   1481:        }
1.45.2.46  knu      1482:        if ($r2 eq 'text') {
1.12      fenner   1483:            $rev2 = $tr2;
1.45.2.46  knu      1484:            $sym2 = "";
1.12      fenner   1485:        }
1.45.2.48  knu      1486:
1.45.2.46  knu      1487:        # make sure the revisions a wellformed, for security
                   1488:        # reasons ..
1.45.2.48  knu      1489:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1490:            &fatal("404 Not Found",
1.45.2.46  knu      1491:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1492:        }
                   1493: #
                   1494: # rev1 and rev2 are now both numeric revisions.
                   1495: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1496: # XXX should we warn about the fact that we do this?
                   1497:        if (&revcmp($rev1,$rev2) > 0) {
1.45.2.46  knu      1498:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1499:            ($rev1, $sym1) = ($rev2, $sym2);
                   1500:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1501:        }
1.45.2.46  knu      1502:        my $human_readable = 0;
1.12      fenner   1503:        if ($f eq 'c') {
1.45.2.46  knu      1504:            @difftype = qw{-c};
1.12      fenner   1505:            $diffname = "Context diff";
1.45.2.46  knu      1506:        }
                   1507:        elsif ($f eq 's') {
                   1508:            @difftype = qw{--side-by-side --width=164};
1.12      fenner   1509:            $diffname = "Side by Side";
1.45.2.46  knu      1510:        }
                   1511:        elsif ($f eq 'H') {
                   1512:            $human_readable = 1;
                   1513:            @difftype = qw{--unified=15};
                   1514:            $diffname = "Long Human readable";
                   1515:        }
                   1516:        elsif ($f eq 'h') {
                   1517:            @difftype =qw{-u};
                   1518:            $human_readable = 1;
                   1519:            $diffname = "Human readable";
                   1520:        }
                   1521:        elsif ($f eq 'u') {
                   1522:            @difftype = qw{-u};
1.12      fenner   1523:            $diffname = "Unidiff";
                   1524:        }
1.45.2.46  knu      1525:        else {
                   1526:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1527:        }
                   1528:
                   1529:        # apply special options
                   1530:        if ($showfunc) {
1.45.2.48  knu      1531:            push @difftype, '-p' if $f =~ /^[cHhu]$/;
1.45.2.46  knu      1532:
                   1533:            my($re1, $re2);
                   1534:
                   1535:            while (($re1, $re2) = each %funcline_regexp) {
                   1536:                if ($fullname =~ /$re1/) {
                   1537:                    push @difftype, '-F', '$re2';
                   1538:                    last;
                   1539:                }
                   1540:            }
                   1541:        }
                   1542:        if ($human_readable) {
                   1543:            if ($hr_ignwhite) {
                   1544:                push @difftype, '-w';
                   1545:            }
                   1546:            if ($hr_ignkeysubst) {
                   1547:                push @difftype, '-kk';
                   1548:            }
                   1549:        }
                   1550:        if (! open($fh, "-|")) { # child
1.44      knu      1551:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.46  knu      1552:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
                   1553:        }
                   1554:        if ($human_readable) {
                   1555:            http_header();
                   1556:            &human_readable_diff($fh, $rev2);
1.45.2.52  knu      1557:            gzipclose();
1.45.2.46  knu      1558:            exit;
                   1559:        }
                   1560:        else {
                   1561:            http_header("text/plain");
1.44      knu      1562:        }
1.12      fenner   1563: #
                   1564: #===================================================================
                   1565: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1566: #retrieving revision 1.16
                   1567: #retrieving revision 1.17
                   1568: #diff -c -r1.16 -r1.17
                   1569: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1570: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1571: #
                   1572: # Ideas:
                   1573: # - nuke the stderr output if it's what we expect it to be
                   1574: # - Add "no differences found" if the diff command supplied no output.
                   1575: #
                   1576: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1577: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1578: # (bogus example, but...)
                   1579: #
1.45.2.46  knu      1580:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1581:            $f1 = '---';
                   1582:            $f2 = '\+\+\+';
1.45.2.46  knu      1583:        }
                   1584:        else {
1.12      fenner   1585:            $f1 = '\*\*\*';
                   1586:            $f2 = '---';
                   1587:        }
1.45.2.46  knu      1588:        while (<$fh>) {
1.12      fenner   1589:            if (m|^$f1 $cvsroot|o) {
                   1590:                s|$cvsroot/||o;
                   1591:                if ($sym1) {
                   1592:                    chop;
                   1593:                    $_ .= " " . $sym1 . "\n";
                   1594:                }
1.45.2.46  knu      1595:            }
                   1596:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1597:                s|$cvsroot/||o;
                   1598:                if ($sym2) {
                   1599:                    chop;
                   1600:                    $_ .= " " . $sym2 . "\n";
                   1601:                }
                   1602:            }
                   1603:            print $_;
                   1604:        }
1.45.2.46  knu      1605:        close($fh);
1.12      fenner   1606: }
                   1607:
1.45.2.46  knu      1608: ###############################
                   1609: # Show Logs ..
                   1610: ###############################
1.45.2.47  knu      1611: sub getDirLogs($$@) {
1.45.2.46  knu      1612:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1613:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1614:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1615:
                   1616:     $tag = $input{only_with_tag};
                   1617:
                   1618:     my ($DirName) = "$cvsroot/$where";
                   1619:     my (@files, @filetags);
                   1620:     my $fh = do {local(*FH);};
                   1621:
                   1622:     push(@files, &safeglob("$DirName/*,v"));
                   1623:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1624:     foreach $file (@otherFiles) {
                   1625:        push(@files, "$DirName/$file");
                   1626:     }
                   1627:
                   1628:     # just execute rlog if there are any files
1.45.2.47  knu      1629:     if ($#files < 0) {
1.45.2.46  knu      1630:        return;
                   1631:     }
                   1632:
                   1633:     if ($tag) {
                   1634:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1635:        if (! open($fh, "-|")) {
                   1636:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1637:                exec('rlog', @files);
                   1638:        }
                   1639:     }
                   1640:     else {
                   1641:        my $kidpid = open($fh, "-|");
                   1642:        if (! $kidpid) {
                   1643:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1644:                exec('rlog', '-r', @files);
                   1645:        }
                   1646:     }
                   1647:     $state = "start";
                   1648:     while (<$fh>) {
                   1649:        if ($state eq "start") {
                   1650:            #Next file. Initialize file variables
                   1651:            $rev = undef;
                   1652:            $revwanted = undef;
                   1653:            $branch = undef;
                   1654:            $branchpoint = undef;
                   1655:            $filename = undef;
                   1656:            $log = undef;
                   1657:            $revision = undef;
                   1658:            $branch = undef;
                   1659:            %symrev = ();
                   1660:            @filetags = ();
                   1661:            #jump to head state
                   1662:            $state = "head";
                   1663:        }
                   1664:        print "$state:$_" if ($verbose);
                   1665: again:
                   1666:        if ($state eq "head") {
                   1667:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1668:            $filename = $1 if (/^Working file: (.+)$/);
                   1669:            $head = $1 if (/^head: (.+)$/);
                   1670:            $branch = $1 if (/^branch: (.+)$/);
                   1671:        }
                   1672:        if ($state eq "head" && /^symbolic names/) {
                   1673:            $state = "tags";
1.45.2.47  knu      1674:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
1.45.2.46  knu      1675:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1676:            $symrev{MAIN} = $branch;
                   1677:            $symrev{HEAD} = $branch;
                   1678:            $alltags{MAIN} = 1;
                   1679:            $alltags{HEAD} = 1;
                   1680:            push (@filetags, "MAIN", "HEAD");
                   1681:            next;
                   1682:        }
                   1683:        if ($state eq "tags" &&
                   1684:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1685:            push (@filetags, $1);
                   1686:            $symrev{$1} = $2;
                   1687:            $alltags{$1} = 1;
                   1688:            next;
                   1689:        }
                   1690:        if ($state eq "tags" && /^\S/) {
                   1691:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1692:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1693:                ($branch = $revwanted) =~ s/\b0\.//;
                   1694:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1695:                $revwanted = undef if ($revwanted ne $branch);
                   1696:            }
                   1697:            elsif (defined($tag) && $tag ne "HEAD") {
                   1698:                print "Tag not found, skip this file" if ($verbose);
                   1699:                $state = "skip";
                   1700:                next;
                   1701:            }
                   1702:            foreach my $tagfound (@filetags) {
                   1703:                $tags{$tagfound} = 1;
                   1704:            }
                   1705:            $state = "head";
                   1706:            goto again;
                   1707:        }
1.45.2.55! knu      1708:        if ($state eq "head" && /$LOG_REVSEPARATOR/o) {
1.45.2.46  knu      1709:            $state = "log";
                   1710:            $rev = undef;
                   1711:            $date = undef;
                   1712:            $log = "";
                   1713:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1714:            $filename =~ s%^\Q$DirName\E/%%;
                   1715:            next;
                   1716:        }
                   1717:        if ($state eq "log") {
1.45.2.55! knu      1718:            if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1719:                # End of a log entry.
                   1720:                my $revbranch;
                   1721:                ($revbranch = $rev) =~ s/\.\d+$//;
                   1722:                print "$filename $rev Wanted: $revwanted "
                   1723:                    . "Revbranch: $revbranch Branch: $branch "
                   1724:                    . "Branchpoint: $branchpoint\n" if ($verbose);
                   1725:                if (!defined($revwanted) && defined($branch)
                   1726:                    && $branch eq $revbranch || !defined($tag)) {
                   1727:                    print "File revision $rev found for branch $branch\n"
                   1728:                        if ($verbose);
                   1729:                    $revwanted = $rev;
                   1730:                }
                   1731:                if (defined($revwanted) ? $rev eq $revwanted :
                   1732:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1733:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1734:                    print "File info $rev found for $filename\n" if ($verbose);
                   1735:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1736:                    my ($name);
                   1737:                    ($name = $filename) =~ s%/.*%%;
                   1738:                    $fileinfo{$name} = [ @finfo ];
                   1739:                    $state = "done" if ($rev eq $revwanted);
                   1740:                }
                   1741:                $rev = undef;
                   1742:                $date = undef;
                   1743:                $log = "";
                   1744:            }
                   1745:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1746:                my $yr = $1;
                   1747:                # damn 2-digit year routines :-)
                   1748:                if ($yr > 100) {
                   1749:                    $yr -= 1900;
                   1750:                }
                   1751:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1752:                ($author) = /author: ([^;]+)/;
                   1753:                $state = "log";
                   1754:                $log = '';
                   1755:                next;
                   1756:            }
                   1757:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1758:                $rev = $1;
                   1759:                next;
                   1760:            }
                   1761:            else {
                   1762:                $log = $log . $_;
                   1763:            }
                   1764:        }
1.45.2.55! knu      1765:        if (/$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1766:            $state = "start";
                   1767:            next;
                   1768:        }
                   1769:     }
                   1770:     if ($. == 0) {
1.45.2.47  knu      1771:        fatal("500 Internal Error",
1.45.2.46  knu      1772:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1773:     }
                   1774:     close($fh);
                   1775: }
                   1776:
1.45.2.47  knu      1777: sub readLog($;$) {
1.45.2.46  knu      1778:        my($fullname,$revision) = @_;
                   1779:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1780:        my $fh = do {local(*FH);};
                   1781:
                   1782:        if (defined($revision)) {
                   1783:            $revision = "-r$revision";
                   1784:        }
                   1785:        else {
                   1786:            $revision = "";
                   1787:        }
                   1788:
                   1789:        undef %symrev;
                   1790:        undef %revsym;
                   1791:        undef @allrevisions;
                   1792:        undef %date;
                   1793:        undef %author;
                   1794:        undef %state;
                   1795:        undef %difflines;
                   1796:        undef %log;
1.12      fenner   1797:
                   1798:        print("Going to rlog '$fullname'\n") if ($verbose);
1.45.2.46  knu      1799:        if (! open($fh, "-|")) { # child
                   1800:                if ($revision ne '') {
                   1801:                        exec("rlog",$revision,$fullname);
                   1802:                }
                   1803:                else {
                   1804:                        exec("rlog",$fullname);
                   1805:                }
1.44      knu      1806:        }
1.45.2.46  knu      1807:        while (<$fh>) {
1.1       jfieber  1808:            print if ($verbose);
                   1809:            if ($symnames) {
                   1810:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1811:                    $symrev{$1} = $2;
1.45.2.46  knu      1812:                }
                   1813:                else {
1.1       jfieber  1814:                    $symnames = 0;
                   1815:                }
1.45.2.46  knu      1816:            }
                   1817:            elsif (/^head:\s+([\d\.]+)/) {
                   1818:                $head = $1;
                   1819:            }
                   1820:            elsif (/^branch:\s+([\d\.]+)/) {
                   1821:                $curbranch = $1;
                   1822:            }
                   1823:            elsif (/^symbolic names/) {
1.1       jfieber  1824:                $symnames = 1;
1.45.2.46  knu      1825:            }
                   1826:            elsif (/^-----/) {
1.1       jfieber  1827:                last;
                   1828:            }
                   1829:        }
1.45.2.46  knu      1830:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1831:
1.1       jfieber  1832: # each log entry is of the form:
                   1833: # ----------------------------
                   1834: # revision 3.7.1.1
                   1835: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1836: # log info
                   1837: # ----------------------------
                   1838:        logentry:
1.45.2.55! knu      1839:        while (!/$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1840:            $_ = <$fh>;
1.12      fenner   1841:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1842:            print "R:", $_ if ($verbose);
                   1843:            if (/^revision ([\d\.]+)/) {
                   1844:                $rev = $1;
1.45.2.46  knu      1845:                unshift(@allrevisions,$rev);
                   1846:            }
1.45.2.55! knu      1847:            elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
1.1       jfieber  1848:                next logentry;
1.45.2.46  knu      1849:            }
                   1850:            else {
1.12      fenner   1851:                # The rlog output is syntactically ambiguous.  We must
                   1852:                # have guessed wrong about where the end of the last log
                   1853:                # message was.
                   1854:                # Since this is likely to happen when people put rlog output
                   1855:                # in their commit messages, don't even bother keeping
                   1856:                # these lines since we don't know what revision they go with
                   1857:                # any more.
                   1858:                next logentry;
                   1859: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1860:            }
1.45.2.46  knu      1861:            $_ = <$fh>;
1.1       jfieber  1862:            print "D:", $_ if ($verbose);
1.45.2.46  knu      1863:            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+-]+))?|) {
                   1864:                my $yr = $1;
                   1865:                 # damn 2-digit year routines :-)
                   1866:                 if ($yr > 100) {
                   1867:                     $yr -= 1900;
                   1868:                 }
                   1869:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1870:                $author{$rev} = $7;
1.9       fenner   1871:                $state{$rev} = $8;
1.45.2.46  knu      1872:                $difflines{$rev} = $10;
                   1873:            }
                   1874:            else {
1.1       jfieber  1875:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1876:            }
                   1877:            line:
1.45.2.46  knu      1878:            while (<$fh>) {
1.1       jfieber  1879:                print "L:", $_ if ($verbose);
                   1880:                next line if (/^branches:\s/);
1.45.2.55! knu      1881:                last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
1.1       jfieber  1882:                $log{$rev} .= $_;
                   1883:            }
                   1884:            print "E:", $_ if ($verbose);
                   1885:        }
1.45.2.46  knu      1886:        close($fh);
1.1       jfieber  1887:        print "Done reading RCS file\n" if ($verbose);
1.45.2.46  knu      1888:
                   1889:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1890:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1891:
1.1       jfieber  1892: #
                   1893: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   1894: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1895: # highest revision on that branch.  Find it by looking through @revorder; it
                   1896: # is the first commit listed on the appropriate branch.
1.45.2.46  knu      1897: # This is not neccesary the same revision as marked as head in the RCS file.
                   1898:        my $headrev = $curbranch || "1";
                   1899:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1900:        revision:
1.45.2.46  knu      1901:        foreach $rev (@revorder) {
                   1902:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1903:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1904:                last revision;
                   1905:            }
                   1906:        }
1.45.2.46  knu      1907:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1908:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1909:        print "Done finding HEAD\n" if ($verbose);
                   1910: #
                   1911: # Now that we know all of the revision numbers, we can associate
                   1912: # absolute revision numbers with all of the symbolic names, and
                   1913: # pass them to the form so that the same association doesn't have
                   1914: # to be built then.
                   1915: #
1.45.2.46  knu      1916:        undef @branchnames;
                   1917:        undef %branchpoint;
                   1918:        undef $sel;
                   1919:
                   1920:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1921:            $rev = $symrev{$_};
1.45.2.46  knu      1922:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   1923:                push(@branchnames, $_);
1.1       jfieber  1924:                #
                   1925:                # A revision number of A.B.0.D really translates into
                   1926:                # "the highest current revision on branch A.B.D".
                   1927:                #
                   1928:                # If there is no branch A.B.D, then it translates into
                   1929:                # the head A.B .
                   1930:                #
1.45.2.46  knu      1931:                # This reasoning also applies to the main branch A.B,
                   1932:                # with the branch number 0.A, with the exception that
                   1933:                # it has no head to translate to if there is nothing on
                   1934:                # the branch, but I guess this can never happen?
                   1935:                # (the code below gracefully forgets about the branch
                   1936:                # if it should happen)
                   1937:                #
                   1938:                $head = defined($2) ? $2 : "";
1.1       jfieber  1939:                $branch = $3;
1.45.2.46  knu      1940:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   1941:                my $regex;
                   1942:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  1943:                $rev = $head;
                   1944:
                   1945:                revision:
1.45.2.46  knu      1946:                foreach my $r (@revorder) {
                   1947:                    if ($r =~ /^${regex}\b/) {
                   1948:                        $rev = $branchrev;
1.1       jfieber  1949:                        last revision;
                   1950:                    }
                   1951:                }
1.45.2.46  knu      1952:                next if ($rev eq "");
                   1953:                if ($rev ne $head && $head ne "") {
1.8       fenner   1954:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   1955:                    $branchpoint{$head} .= $_;
                   1956:                }
1.1       jfieber  1957:            }
1.45.2.46  knu      1958:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   1959:            $revsym{$rev} .= $_;
1.1       jfieber  1960:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   1961:        }
                   1962:        print "Done associating revisions with branches\n" if ($verbose);
1.45.2.46  knu      1963:
                   1964:        my ($onlyonbranch, $onlybranchpoint);
                   1965:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   1966:            $onlyonbranch = $symrev{$onlyonbranch};
                   1967:            if ($onlyonbranch =~ s/\b0\.//) {
                   1968:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   1969:            }
                   1970:             else {
                   1971:                $onlybranchpoint = $onlyonbranch;
                   1972:            }
                   1973:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   1974:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   1975:            }
1.8       fenner   1976:        }
1.1       jfieber  1977:
1.45.2.46  knu      1978:        undef @revisions;
                   1979:
                   1980:        foreach (@allrevisions) {
1.7       fenner   1981:            ($br = $_) =~ s/\.\d+$//;
1.45.2.46  knu      1982:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   1983:            next if ($onlyonbranch && $br ne $onlyonbranch &&
1.45.2.46  knu      1984:                                        $_ ne $onlybranchpoint);
                   1985:            unshift(@revisions,$_);
                   1986:        }
                   1987:
                   1988:        if ($logsort eq "date") {
                   1989:            # Sort the revisions in commit order an secondary sort on revision
                   1990:            # (secondary sort needed for imported sources, or the first main
                   1991:            # revision gets before the same revision on the 1.1.1 branch)
                   1992:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   1993:        }
                   1994:         elsif ($logsort eq "rev") {
                   1995:            # Sort the revisions in revision order, highest first
                   1996:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   1997:        }
                   1998:         else {
                   1999:            # No sorting. Present in the same order as rlog / cvs log
                   2000:            @revdisplayorder = @revisions;
                   2001:        }
                   2002:
                   2003: }
                   2004:
                   2005: sub printLog($;$) {
                   2006:        my ($link, $br, $brp);
                   2007:        ($_,$link) = @_;
                   2008:        ($br = $_) =~ s/\.\d+$//;
                   2009:        ($brp = $br) =~ s/\.?\d+$//;
                   2010:        my ($isDead, $prev);
                   2011:
                   2012:        $link = 1 if (!defined($link));
                   2013:        $isDead = ($state{$_} eq "dead");
                   2014:
                   2015:        if ($link && !$isDead) {
                   2016:            my ($filename);
                   2017:            ($filename = $where) =~ s/^.*\///;
                   2018:            my ($fileurl) = urlencode($filename);
1.4       fenner   2019:            print "<a NAME=\"rev$_\"></a>";
1.45.2.46  knu      2020:            if (defined($revsym{$_})) {
                   2021:                foreach my $sym (split(", ", $revsym{$_})) {
                   2022:                    print "<a NAME=\"$sym\"></a>";
                   2023:                }
1.4       fenner   2024:            }
1.45.2.46  knu      2025:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   2026:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   2027:                    print "<a NAME=\"$sym\"></a>";
                   2028:                }
1.45.2.46  knu      2029:                $nameprinted{$br} = 1;
1.4       fenner   2030:            }
1.45.2.46  knu      2031:            print "\n Revision ";
                   2032:            &download_link($fileurl, $_, $_,
                   2033:                $defaultViewable ? "text/x-cvsweb-markup" : undef);
                   2034:            if ($defaultViewable) {
                   2035:                print " / ";
                   2036:                &download_link($fileurl, $_, "(download)", $mimetype);
                   2037:            }
                   2038:            if (not $defaultTextPlain) {
                   2039:                print " / ";
1.45.2.47  knu      2040:                &download_link($fileurl, $_, "(as text)",
1.45.2.46  knu      2041:                           "text/plain");
                   2042:            }
                   2043:            if (!$defaultViewable) {
                   2044:                print " / ";
                   2045:                &download_link($fileurl, $_, "(view)", "text/x-cvsweb-markup");
                   2046:            }
                   2047:            if ($allow_annotate) {
                   2048:                print " - <a href=\"" . $scriptname . "/" . urlencode($where) . "?annotate=$_$barequery\">";
                   2049:                print "annotate</a>";
                   2050:            }
                   2051:            # Plus a select link if enabled, and this version isn't selected
                   2052:            if ($allow_version_select) {
                   2053:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
                   2054:                    print " - <A HREF=\"${scriptwhere}?r1=$_$barequery" .
                   2055:                        "\">[select for diffs]</A>\n";
                   2056:                }
                   2057:                else {
                   2058:                    print " - <b>[selected]</b>";
                   2059:                }
                   2060:            }
                   2061:        }
                   2062:        else {
                   2063:            print "Revision <B>$_</B>";
                   2064:        }
                   2065:        if (/^1\.1\.1\.\d+$/) {
                   2066:            print " <i>(vendor branch)</i>";
                   2067:        }
                   2068:        if (defined @mytz) {
                   2069:            my ($est) = $mytz[(localtime($date{$_}))[8]];
                   2070:            print ", <i>" . scalar localtime($date{$_}) . " $est</i> (";
                   2071:        } else {
                   2072:            print ", <i>" . scalar gmtime($date{$_}) . " UTC</i> (";
                   2073:        }
                   2074:        print readableTime(time() - $date{$_},1) . " ago)";
                   2075:        print " by ";
                   2076:        print "<i>" . $author{$_} . "</i>\n";
                   2077:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2078:            if ($revsym{$br});
                   2079:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2080:            if ($revsym{$_});
                   2081:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2082:            if ($branchpoint{$_});
                   2083:        # Find the previous revision
                   2084:        my @prevrev = split(/\./, $_);
                   2085:        do {
                   2086:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2087:                # If it was X.Y.Z.1, just make it X.Y
1.45.2.46  knu      2088:                pop(@prevrev);
                   2089:                pop(@prevrev);
                   2090:            }
                   2091:            $prev = join(".", @prevrev);
                   2092:        } until (defined($date{$prev}) || $prev eq "");
                   2093:        if ($prev ne "") {
                   2094:            if ($difflines{$_}) {
                   2095:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2096:            }
                   2097:        }
                   2098:        if ($isDead) {
                   2099:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2100:        }
                   2101:        elsif ($link) {
                   2102:            my %diffrev = ();
                   2103:            $diffrev{$_} = 1;
                   2104:            $diffrev{""} = 1;
                   2105:            print "<BR>Diff";
                   2106:            #
                   2107:            # Offer diff to previous revision
                   2108:            if ($prev) {
                   2109:                $diffrev{$prev} = 1;
                   2110:                print " to previous <A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2111:                print "&amp;r2=$_" . $barequery . "\">$prev</A>\n";
                   2112:                if (!$hr_default) { # offer a human readable version if not default
                   2113:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$prev";
                   2114:                    print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2115:                }
                   2116:            }
1.45.2.46  knu      2117:            #
                   2118:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2119:            # offer a diff with the branch point.
                   2120:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
                   2121:                print " to branchpoint <A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2122:                print "&amp;r2=$_" . $barequery . "\">$brp</A>\n";
                   2123:                if (!$hr_default) { # offer a human readable version if not default
                   2124:                print "(<A HREF=\"${scriptwhere}.diff?r1=$brp";
                   2125:                print "&amp;r2=$_" . $barequery . "&amp;f=h\">colored</A>)\n";
                   2126:                }
                   2127:            }
                   2128:            #
                   2129:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2130:            # offer to diff with the next revision of the higher branch.
                   2131:            # (e.g. change gets committed and then brought
                   2132:            # over to -stable)
                   2133:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2134:                my ($i,$nextmain);
                   2135:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2136:                my (@tmp2) = split(/\./, $_);
                   2137:                for ($nextmain = ""; $i > 0; $i--) {
                   2138:                    my ($next) = $revorder[$i-1];
                   2139:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2140:                    if ($#tmp1 < $#tmp2) {
1.45.2.46  knu      2141:                        $nextmain = $next;
                   2142:                        last;
                   2143:                    }
                   2144:                    # Only the highest version on a branch should have
                   2145:                    # a diff for the "next main".
                   2146:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2147:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2148:                }
                   2149:                if (!defined($diffrev{$nextmain})) {
                   2150:                    $diffrev{$nextmain} = 1;
                   2151:                    print " next main <A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2152:                    print "&amp;r2=$_" . $barequery .
                   2153:                        "\">$nextmain</A>\n";
                   2154:                    if (!$hr_default) { # offer a human readable version if not default
                   2155:                        print "(<A HREF=\"${scriptwhere}.diff?r1=$nextmain";
                   2156:                        print "&amp;r2=$_" . $barequery .
                   2157:                            "&amp;f=h\">colored</A>)\n";
1.1       jfieber  2158:                    }
                   2159:                }
                   2160:            }
1.45.2.46  knu      2161:            # Plus if user has selected only r1, then present a link
                   2162:            # to make a diff to that revision
                   2163:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2164:                $diffrev{$input{"r1"}} = 1;
                   2165:                print " to selected <A HREF=\"${scriptwhere}.diff?"
                   2166:                        . "r1=$input{'r1'}&amp;r2=$_" . $barequery
                   2167:                        . "\">$input{'r1'}</A>\n";
                   2168:                if (!$hr_default) { # offer a human readable version if not default
                   2169:                    print "(<A HREF=\"${scriptwhere}.diff?r1=$input{'r1'}";
                   2170:                    print "&amp;r2=$_" . $barequery .
                   2171:                        "&amp;f=h\">colored</A>)\n";
                   2172:
                   2173:                }
1.9       fenner   2174:            }
1.1       jfieber  2175:        }
1.45.2.46  knu      2176:        print "<PRE>\n";
                   2177:        print &htmlify($log{$_}, 1);
                   2178:        print "</PRE>\n";
                   2179: }
                   2180:
1.45.2.47  knu      2181: sub doLog($) {
1.45.2.46  knu      2182:        my($fullname) = @_;
                   2183:        my ($diffrev, $upwhere, $filename, $backurl);
1.45.2.47  knu      2184:
1.45.2.46  knu      2185:        readLog($fullname);
                   2186:
                   2187:         html_header("CVS log for $where");
                   2188:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2189:         ($filename = $where) =~ s|^.*/||;
                   2190:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2191:        print &link($backicon, "$backurl#$filename"),
                   2192:               " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2193:        print <<EOF;
                   2194: <A HREF="#diff">Request diff between arbitrary revisions</A>
                   2195: <HR NOSHADE>
                   2196: EOF
                   2197:        if ($curbranch) {
                   2198:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   2199:        }
                   2200:        else {
                   2201:            print "No default branch";
                   2202:        }
                   2203:        print "<BR>\n";
                   2204:        if ($input{only_with_tag}) {
                   2205:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2206:        }
                   2207:
                   2208:        undef %nameprinted;
                   2209:
                   2210:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2211:            print "<HR size=1 NOSHADE>";
                   2212:            printLog($revdisplayorder[$i]);
                   2213:        }
                   2214:
                   2215:         print "<HR NOSHADE>";
1.1       jfieber  2216:        print "<A NAME=diff>\n";
                   2217:        print "This form allows you to request diff's between any two\n";
                   2218:        print "revisions of a file.  You may select a symbolic revision\n";
                   2219:        print "name using the selection box or you may type in a numeric\n";
                   2220:        print "name using the type-in text box.\n";
                   2221:        print "</A><P>\n";
1.45.2.46  knu      2222:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2223:         foreach (@stickyvars) {
                   2224:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
                   2225:                if (defined($input{$_})
1.45.2.51  knu      2226:                    && ((!defined($DEFAULTVALUE{$_})
                   2227:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2228:                        && $input{$_} ne ""));
1.45.2.46  knu      2229:        }
1.45.2.51  knu      2230:        print "<TABLE><TR>\n";
                   2231:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2232:        print "<SELECT NAME=\"r1\">\n";
                   2233:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2234:        print $sel;
                   2235:        print "</SELECT>\n";
1.45.2.46  knu      2236:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2237:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
1.45.2.51  knu      2238:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2239:        print "<TD><BR></TD></TR>\n";
                   2240:        print "<TR><TD align=right>and \n";
1.1       jfieber  2241:        print "<SELECT NAME=\"r2\">\n";
                   2242:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2243:        print $sel;
                   2244:        print "</SELECT>\n";
1.45.2.46  knu      2245:        $diffrev = $revdisplayorder[0];
                   2246:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
1.45.2.51  knu      2247:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2248:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1       jfieber  2249:        print "</FORM>\n";
1.45.2.51  knu      2250:        print "</TR></TABLE>\n";
1.7       fenner   2251:        print "<HR noshade>\n";
1.45.2.51  knu      2252:        print "<TABLE>";
                   2253:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2254:         print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2255:         print "<TD>";
                   2256:        printDiffSelect($use_java_script);
                   2257:        print "</TD><TD></TD></TR>\n";
1.45.2.46  knu      2258:         if (@branchnames) {
1.45.2.51  knu      2259:            print "<TR><TD align=right>View only Branch:</TD>";
                   2260:            print "<TD>";
1.45.2.46  knu      2261:            print "<A name=branch></A>\n";
                   2262:            print "<SELECT NAME=\"only_with_tag\"";
                   2263:            print " onchange=\"submit()\"" if ($use_java_script);
                   2264:            print ">\n";
                   2265:            print "<OPTION VALUE=\"\"";
                   2266:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2267:                $input{"only_with_tag"} eq "");
                   2268:            print ">Show all branches\n";
                   2269:            foreach (reverse sort @branchnames) {
1.9       fenner   2270:                print "<OPTION";
1.45.2.46  knu      2271:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2272:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2273:                print ">${_}\n";
1.45.2.46  knu      2274:            }
1.45.2.51  knu      2275:            print "</SELECT></TD><TD></TD></TR>\n";
1.7       fenner   2276:        }
1.45.2.46  knu      2277:        foreach (@stickyvars) {
1.45.2.51  knu      2278:            next if ($_ eq "f");
1.45.2.46  knu      2279:            next if ($_ eq "only_with_tag");
                   2280:            next if ($_ eq "logsort");
                   2281:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
1.45.2.51  knu      2282:                if (defined($input{$_})
                   2283:                    && (!defined($DEFAULTVALUE{$_})
                   2284:                        || $input{$_} ne $DEFAULTVALUE{$_})
1.45.2.46  knu      2285:                    && $input{$_} ne "");
                   2286:        }
1.45.2.51  knu      2287:        print "<TR><TD align=right>";
                   2288:        print "<A name=logsort></A>\n";
                   2289:        print "Sort log by:</TD>";
                   2290:        print "<TD><SELECT NAME=\"logsort\"";
1.45.2.46  knu      2291:        print " onchange=\"submit()\"" if ($use_java_script);
                   2292:        print ">\n";
                   2293:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2294:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2295:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
1.45.2.51  knu      2296:        print "</SELECT></TD>";
                   2297:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.7       fenner   2298:        print "</FORM>\n";
1.45.2.51  knu      2299:        print "</TR></TABLE>";
1.2       jfieber  2300:         print &html_footer;
1.1       jfieber  2301:        print "</BODY></HTML>\n";
1.10      wosch    2302: }
                   2303:
1.45.2.47  knu      2304: sub flush_diff_rows($$$$) {
1.45.2.46  knu      2305:     my $j;
                   2306:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2307:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2308:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2309:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2310:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2311:       }
                   2312:     }
                   2313:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2314:       # we got removes with subsequent adds
                   2315:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2316:           print  "<tr>";
                   2317:           if ($j < $leftRow) {
                   2318:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2319:          }
                   2320:           else {
                   2321:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2322:          }
                   2323:           if ($j < $rightRow) {
                   2324:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2325:          }
                   2326:           else {
                   2327:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2328:          }
                   2329:           print  "</tr>\n";
                   2330:       }
                   2331:     }
                   2332: }
                   2333:
                   2334: ##
                   2335: # Function to generate Human readable diff-files
                   2336: # human_readable_diff(String revision_to_return_to);
                   2337: ##
                   2338: sub human_readable_diff($){
1.45.2.51  knu      2339:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
1.45.2.46  knu      2340:   my ($fh, $rev) = @_;
                   2341:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2342:   my (@rightCol, @leftCol);
                   2343:
                   2344:   ($where_nd = $where) =~ s/.diff$//;
                   2345:   ($filename = $where_nd) =~ s/^.*\///;
                   2346:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2347:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2348:
1.45.2.47  knu      2349:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
1.45.2.46  knu      2350:
                   2351:   # Read header to pick up read revision and date, if possible
                   2352:   while (<$fh>) {
                   2353:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2354:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2355:       last if (/^\+\+\+ /);
                   2356:   }
                   2357:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2358:     $rev1 = $r1r;
                   2359:     $date1 = $r1d;
                   2360:   }
                   2361:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2362:     $rev2 = $r2r;
                   2363:     $date2 = $r2d;
                   2364:   }
1.45.2.47  knu      2365:
1.45.2.46  knu      2366:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n";
                   2367:
                   2368:   print "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n";
                   2369:   print "<tr bgcolor=\"#ffffff\">\n";
                   2370:   print "<th width=\"50%\" valign=TOP>";
                   2371:   print "version $rev1";
                   2372:   print ", $date1" if (defined($date1));
                   2373:   print "<br>Tag: $sym1\n" if ($sym1);
                   2374:   print "</th>\n";
                   2375:   print "<th width=\"50%\" valign=TOP>";
                   2376:   print "version $rev2";
                   2377:   print ", $date2" if (defined($date2));
                   2378:   print "<br>Tag: $sym2\n" if ($sym1);
                   2379:   print "</th>\n";
                   2380:
                   2381:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2382:   my $fe = "</font>";
                   2383:
                   2384:   my $leftRow = 0;
                   2385:   my $rightRow = 0;
                   2386:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2387:
                   2388:   # Process diff text
                   2389:   # The diffrows are could make excellent use of
                   2390:   # cascading style sheets because we've to set the
                   2391:   # font and color for each row. anyone ...?
                   2392:   ####
1.45.2.51  knu      2393:
                   2394:   # prefetch several lines
                   2395:   my @buf = head($fh);
                   2396:
                   2397:   my %d = scan_directives(@buf);
                   2398:
                   2399:   while (@buf || !eof($fh)) {
                   2400:       $difftxt = @buf ? shift @buf : <$fh>;
1.45.2.47  knu      2401:
1.45.2.46  knu      2402:       if ($difftxt =~ /^@@/) {
                   2403:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2404:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2405:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2406:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2407:           print  "</td><td width=\"50%\">";
                   2408:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2409:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2410:          print  "</td>\n";
                   2411:          $state = "dump";
                   2412:          $leftRow = 0;
                   2413:          $rightRow = 0;
                   2414:       }
                   2415:       else {
                   2416:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
1.45.2.51  knu      2417:          $_ = spacedHtmlText($rest, $d{'tabstop'});
1.45.2.46  knu      2418:
                   2419:          # Add fontface, size
                   2420:          $_ = "$fs&nbsp;$_$fe";
1.45.2.47  knu      2421:
1.45.2.46  knu      2422:          #########
                   2423:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2424:          # in order to get some nice 'ediff'-mode output
                   2425:          # states:
                   2426:          #  "dump"             - just dump the value
                   2427:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2428:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2429:          ##########
                   2430:
                   2431:          if ($diffcode eq '+') {
                   2432:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2433:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2434:              }
                   2435:              else {                   # we got minus before
                   2436:                  $state = "PreChange";
                   2437:                  $rightCol[$rightRow++] = $_;
                   2438:              }
1.45.2.47  knu      2439:          }
1.45.2.46  knu      2440:          elsif ($diffcode eq '-') {
                   2441:              $state = "PreChangeRemove";
                   2442:              $leftCol[$leftRow++] = $_;
                   2443:         }
                   2444:         else {  # empty diffcode
                   2445:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2446:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2447:              $state = "dump";
                   2448:              $leftRow = 0;
                   2449:              $rightRow = 0;
                   2450:          }
                   2451:       }
                   2452:   }
                   2453:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2454:
                   2455:   # state is empty if we didn't have any change
                   2456:   if (!$state) {
                   2457:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2458:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2459:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2460:   }
                   2461:   print  "</table>";
                   2462:   close($fh);
                   2463:
                   2464:   print "<br><hr noshade width=\"100%\">\n";
                   2465:
                   2466:   print "<table border=0>";
                   2467:
                   2468:   print "<tr><td>";
                   2469:   # print legend
                   2470:   print "<table border=1><tr><td>";
                   2471:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2472:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2473:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2474:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2475:   print  "</table></td></tr></table>\n";
                   2476:
                   2477:   print "<td>";
                   2478:   # Print format selector
                   2479:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2480:   foreach my $var (keys %input) {
                   2481:     next if ($var eq "f");
                   2482:     next if (defined($DEFAULTVALUE{$var})
                   2483:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2484:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2485:            urlencode($input{$var}),"\">\n";
                   2486:   }
                   2487:   printDiffSelect($use_java_script);
                   2488:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2489:   print "</FORM>\n";
                   2490:   print "</td>";
                   2491:
                   2492:   print "</tr></table>";
                   2493: }
                   2494:
1.45.2.47  knu      2495: sub navigateHeader($$$$$) {
1.45.2.46  knu      2496:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2497:     $swhere = "" if ($swhere eq $scriptwhere);
                   2498:     $swhere = urlencode($filename) if ($swhere eq "");
                   2499:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2500:     print "<HTML>\n<HEAD>\n";
1.45.2.55! knu      2501:     print '<!-- CVSweb $zRevision: 1.103 $  $kRevision: 1.33 $ -->';
1.45.2.46  knu      2502:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
1.45.2.52  knu      2503:     print  "$body_tag_for_src\n";
1.45.2.46  knu      2504:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2505:     print "<tr valign=bottom><td>";
                   2506:     print  "<a href=\"$swhere$query#rev$rev\">$backicon";
                   2507:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2508:     print "</b> $fileicon</td>";
1.45.2.47  knu      2509:
1.45.2.46  knu      2510:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2511:     print "</tr></table>";
                   2512: }
                   2513:
1.45.2.47  knu      2514: sub plural_write($$) {
1.45.2.46  knu      2515:     my ($num,$text) = @_;
                   2516:     if ($num != 1) {
                   2517:        $text = $text . "s";
                   2518:     }
                   2519:     if ($num > 0) {
                   2520:        return $num . " " . $text;
                   2521:     }
                   2522:     else {
                   2523:        return "";
                   2524:     }
                   2525: }
                   2526:
                   2527: ##
                   2528: # print readable timestamp in terms of
                   2529: # '..time ago'
                   2530: # H. Zeller <zeller@think.de>
                   2531: ##
1.45.2.47  knu      2532: sub readableTime($$) {
1.45.2.46  knu      2533:     my ($i, $break, $retval);
                   2534:     my ($secs,$long) = @_;
                   2535:
                   2536:     # this function works correct for time >= 2 seconds
                   2537:     if ($secs < 2) {
                   2538:        return "very little time";
                   2539:     }
                   2540:
                   2541:     my %desc = (1 , 'second',
                   2542:                   60, 'minute',
                   2543:                   3600, 'hour',
                   2544:                   86400, 'day',
                   2545:                   604800, 'week',
                   2546:                   2628000, 'month',
                   2547:                   31536000, 'year');
                   2548:     my @breaks = sort {$a <=> $b} keys %desc;
                   2549:     $i = 0;
1.45.2.47  knu      2550:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
1.45.2.46  knu      2551:        $i++;
                   2552:     }
                   2553:     $i--;
                   2554:     $break = $breaks[$i];
                   2555:     $retval = plural_write(int ($secs / $break), $desc{$break});
                   2556:
                   2557:     if ($long == 1 && $i > 0) {
                   2558:        my $rest = $secs % $break;
                   2559:        $i--;
                   2560:        $break = $breaks[$i];
1.45.2.47  knu      2561:        my $resttime = plural_write(int ($rest / $break),
1.45.2.46  knu      2562:                                $desc{$break});
                   2563:        if ($resttime) {
                   2564:            $retval = $retval . ", " . $resttime;
                   2565:        }
                   2566:     }
                   2567:
                   2568:     return $retval;
                   2569: }
                   2570:
                   2571: ##
                   2572: # clickablePath(String pathname, boolean last_item_clickable)
                   2573: #
                   2574: # returns a html-ified path whereas each directory is a link for
                   2575: # faster navigation. last_item_clickable controls whether the
                   2576: # basename (last directory/file) is a link as well
                   2577: ##
                   2578: sub clickablePath($$) {
1.45.2.47  knu      2579:     my ($pathname,$clickLast) = @_;
1.45.2.46  knu      2580:     my $retval = '';
1.45.2.47  knu      2581:
1.45.2.46  knu      2582:     if ($pathname eq '/') {
                   2583:        # this should never happen - chooseCVSRoot() is
                   2584:        # intended to do this
                   2585:        $retval = "[$cvstree]";
                   2586:     }
                   2587:     else {
                   2588:        $retval = $retval . " <a href=\"${scriptname}/${query}#dirlist\">[$cvstree]</a>";
                   2589:        my $wherepath = '';
                   2590:        my ($lastslash) = $pathname =~ m|/$|;
                   2591:        foreach (split(/\//, $pathname)) {
                   2592:            $retval = $retval . " / ";
                   2593:            $wherepath = $wherepath . '/' . $_;
                   2594:            my ($last) = "$wherepath/" eq "/$pathname"
                   2595:                || $wherepath eq "/$pathname";
                   2596:            if ($clickLast || !$last) {
                   2597:                $retval = $retval . "<a href=\"${scriptname}"
                   2598:                    . urlencode($wherepath)
                   2599:                    . (!$last || $lastslash ? '/' : '')
                   2600:                    . ${query}
                   2601:                    . (!$last || $lastslash ? "#dirlist" : "")
                   2602:                    . "\">$_</a>";
                   2603:            }
                   2604:            else { # do not make a link to the current dir
                   2605:                $retval = $retval .  $_;
                   2606:            }
                   2607:        }
                   2608:     }
                   2609:     return $retval;
                   2610: }
                   2611:
                   2612: sub chooseCVSRoot() {
                   2613:     my @foo;
                   2614:     foreach (sort keys %CVSROOT) {
                   2615:        if (-d $CVSROOT{$_}) {
                   2616:            push(@foo, $_);
                   2617:        }
                   2618:     }
                   2619:     if (@foo > 1) {
                   2620:        my ($k);
                   2621:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2622:        foreach $k (keys %input) {
1.45.2.47  knu      2623:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
1.45.2.46  knu      2624:                if ($input{$k}) && ($k ne "cvsroot");
                   2625:        }
                   2626:        # Form-Elements look wierd in Netscape if the background
                   2627:        # isn't gray and the form elements are not placed
                   2628:        # within a table ...
                   2629:        print "<table><tr>";
                   2630:        print "<td>CVS Root:</td>";
                   2631:        print "<td>\n<select name=\"cvsroot\"";
                   2632:        print " onchange=\"submit()\"" if ($use_java_script);
                   2633:        print ">\n";
                   2634:        foreach $k (@foo) {
                   2635:            print "<option value=\"$k\"";
                   2636:            print " selected" if ($k eq $cvstree);
                   2637:            print ">" . ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} :
                   2638:                        $k). "</option>\n";
                   2639:        }
                   2640:        print "</select>\n</td>";
                   2641:        print "<td><input type=submit value=\"Go\"></td>";
                   2642:        print "</tr></table></form>";
                   2643:     }
                   2644:     else {
                   2645:        # no choice ..
                   2646:        print "CVS Root: <b>[$cvstree]</b>";
                   2647:     }
                   2648: }
                   2649:
                   2650: sub chooseMirror() {
                   2651:     my ($mirror,$moremirrors);
                   2652:     $moremirrors = 0;
                   2653:     # This code comes from the original BSD-cvsweb
                   2654:     # and may not be useful for your site; If you don't
                   2655:     # set %MIRRORS this won't show up, anyway
                   2656:     #
1.45.2.47  knu      2657:     # Should perhaps exlude the current site somehow..
1.45.2.46  knu      2658:     if (keys %MIRRORS) {
                   2659:        print "\nThis cvsweb is mirrored in:\n";
                   2660:        foreach $mirror (keys %MIRRORS) {
                   2661:            print ", " if ($moremirrors);
                   2662:            print qq(<a href="$MIRRORS{$mirror}">$mirror</A>\n);
                   2663:            $moremirrors = 1;
                   2664:        }
                   2665:        print "<p>\n";
                   2666:     }
                   2667: }
                   2668:
1.45.2.47  knu      2669: sub fileSortCmp() {
1.45.2.46  knu      2670:     my ($comp) = 0;
                   2671:     my ($c,$d,$af,$bf);
                   2672:
                   2673:     ($af = $a) =~ s/,v$//;
                   2674:     ($bf = $b) =~ s/,v$//;
                   2675:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2676:         if (defined($fileinfo{$af}));
                   2677:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2678:         if (defined($fileinfo{$bf}));
                   2679:
                   2680:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2681:        # Two files
                   2682:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2683:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2684:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2685:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2686:     }
                   2687:     if ($comp == 0) {
                   2688:        # Directories first, then sorted on name if no other sort critera
                   2689:        # available.
                   2690:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2691:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2692:        ($c=$a) =~ s|.*/||;
                   2693:        ($d=$b) =~ s|.*/||;
                   2694:        $comp = ("$ad$c" cmp "$bd$d");
                   2695:     }
                   2696:     return $comp;
                   2697: }
                   2698:
                   2699: # make A url for downloading
1.45.2.47  knu      2700: sub download_url($$;$) {
1.45.2.46  knu      2701:     my ($url,$revision,$mimetype) = @_;
                   2702:
                   2703:     $revision =~ s/\b0\.//;
                   2704:
                   2705:     if (defined($checkout_magic)
                   2706:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2707:        my ($path);
                   2708:        ($path = $where) =~ s|/[^/]*$|/|;
                   2709:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2710:     }
                   2711:     $url .= "?rev=$revision";
                   2712:     $url .= "&amp;content-type=$mimetype" if (defined($mimetype));
                   2713:
                   2714:     return $url;
                   2715: }
                   2716:
1.45.2.47  knu      2717: # Presents a link to download the
1.45.2.46  knu      2718: # selected revision
1.45.2.47  knu      2719: sub download_link($$$;$) {
1.45.2.46  knu      2720:     my ($url,$revision,$textlink,$mimetype) = @_;
                   2721:     my ($fullurl) = download_url($url,$revision,$mimetype);
                   2722:     my ($paren) = $textlink =~ /^\(/;
                   2723:     $textlink =~ s/^\(// if ($paren);
                   2724:     $textlink =~ s/\)$// if ($paren);
                   2725:     print "(" if ($paren);
                   2726:     print "<A HREF=\"$fullurl";
                   2727:     print $barequery;
                   2728:     print "\"";
                   2729:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
                   2730:        print " target=\"cvs_checkout\"";
                   2731:        # we should have
                   2732:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2733:        # in order to allow the user to resize the window; otherwise
                   2734:        # the user may resize the window, but on next checkout - zap -
                   2735:        # its original (configured s. cvsweb.conf) size is back again
                   2736:        # .. annoying (if $extern_window_(width|height) is defined)
                   2737:        # but this if (..) solution is far from perfect
                   2738:        # what we need to do as well is
                   2739:        # 1) save cvswin in an invisible frame that always exists
                   2740:        #    (document.cvswin will be void on next load)
                   2741:        # 2) on close of the cvs_checkout - window set the cvswin
                   2742:        #    variable to 'null' again - so that it will be
                   2743:        #    reopenend with the configured size
                   2744:        # anyone a JavaScript programmer ?
                   2745:        # .. so here without if (..):
                   2746:        # currently, the best way is to comment out the size parameters
                   2747:        # ($extern_window...) in cvsweb.conf.
                   2748:        if ($use_java_script) {
                   2749:            print " onClick=\"window.open('$fullurl','cvs_checkout',";
                   2750:            print "'resizeable,scrollbars";
                   2751:            print ",status,toolbar" if (defined($mimetype)
                   2752:                && $mimetype eq "text/html");
                   2753:            print ",width=$extern_window_width" if (defined($extern_window_width));
                   2754:            print ",height=$extern_window_height" if (defined($extern_window_height));
                   2755:            print"');\"";
                   2756:        }
                   2757:     }
                   2758:     print "><b>$textlink</b></A>";
                   2759:     print ")" if ($paren);
                   2760: }
                   2761:
                   2762: # Returns a Query string with the
                   2763: # specified parameter toggled
                   2764: sub toggleQuery($$) {
                   2765:     my ($toggle,$value) = @_;
                   2766:     my ($newquery,$var);
                   2767:     my (%vars);
                   2768:     %vars = %input;
                   2769:     if (defined($value)) {
                   2770:        $vars{$toggle} = $value;
                   2771:     }
                   2772:     else {
                   2773:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2774:     }
                   2775:     # Build a new query of non-default paramenters
                   2776:     $newquery = "";
                   2777:     foreach $var (@stickyvars) {
                   2778:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2779:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2780:        if ($value ne $default) {
                   2781:            $newquery .= "&amp;" if ($newquery ne "");
                   2782:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2783:        }
                   2784:     }
                   2785:     if ($newquery) {
                   2786:        return '?' . $newquery;
                   2787:     }
                   2788:     return "";
                   2789: }
                   2790:
1.45.2.47  knu      2791: sub urlencode($) {
1.45.2.46  knu      2792:     my ($in) = @_;
                   2793:     my ($out);
                   2794:     ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge;
                   2795:     return $out;
                   2796: }
                   2797:
1.45.2.47  knu      2798: sub http_header(;$) {
1.45.2.46  knu      2799:     my $content_type = shift || "text/html";
                   2800:     if (defined($moddate)) {
                   2801:        if ($is_mod_perl) {
1.45.2.51  knu      2802:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
1.45.2.46  knu      2803:        }
                   2804:        else {
                   2805:            print "Last-Modified: " . scalar gmtime($moddate) . " GMT\r\n";
                   2806:        }
                   2807:     }
                   2808:     if ($is_mod_perl) {
                   2809:        Apache->request->content_type($content_type);
                   2810:     }
                   2811:     else {
                   2812:            print "Content-type: $content_type\r\n";
                   2813:     }
                   2814:     if ($allow_compress && $maycompress) {
1.45.2.51  knu      2815:        if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
1.45.2.46  knu      2816:            if ($is_mod_perl) {
                   2817:                    Apache->request->content_encoding("x-gzip");
                   2818:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2819:                    Apache->request->send_http_header;
                   2820:            }
                   2821:            else {
                   2822:                    print "Content-encoding: x-gzip\r\n";
                   2823:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2824:                    print "\r\n"; # Close headers
                   2825:            }
                   2826:            $| = 1; $| = 0; # Flush header output
1.45.2.51  knu      2827:            if ($has_zlib) {
                   2828:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   2829:            }
                   2830:            select(GZIP);
                   2831:            $gzip_open = 1;
1.45.2.46  knu      2832: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2833:        }
                   2834:        else {
                   2835:            if ($is_mod_perl) {
                   2836:                    Apache->request->send_http_header;
                   2837:            }
                   2838:            else {
                   2839:                    print "\r\n"; # Close headers
                   2840:            }
                   2841:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2842:        }
                   2843:     }
                   2844:     else {
                   2845:            if ($is_mod_perl) {
                   2846:                    Apache->request->send_http_header;
                   2847:            }
                   2848:            else {
                   2849:                    print "\r\n"; # Close headers
                   2850:            }
                   2851:     }
                   2852: }
                   2853:
                   2854: sub html_header($) {
                   2855:     my ($title) = @_;
1.45.2.55! knu      2856:     my $version = '$zRevision: 1.103 $  $kRevision: 1.33 $'; #'
1.45.2.46  knu      2857:     http_header();
                   2858:
                   2859:     (my $header = &cgi_style::html_header) =~ s/^.*\n\n//; # remove HTTP response header
                   2860:
                   2861:     print <<EOH;
                   2862: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2863:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2864: $header
                   2865: <!-- CVSweb $version -->
                   2866: EOH
                   2867: }
                   2868:
1.45.2.47  knu      2869: sub html_footer() {
1.45.2.46  knu      2870:     return &cgi_style::html_footer;
                   2871: }
                   2872:
1.45.2.47  knu      2873: sub link_tags($) {
1.45.2.46  knu      2874:     my ($tags) = @_;
                   2875:     my ($ret) = "";
                   2876:     my ($fileurl,$filename);
                   2877:
                   2878:     ($filename = $where) =~ s/^.*\///;
                   2879:     $fileurl = urlencode($filename);
                   2880:
                   2881:     foreach my $sym (split(", ", $tags)) {
                   2882:        $ret .= ",\n" if ($ret ne "");
                   2883:        $ret .= "<A HREF=\"$fileurl"
                   2884:                . toggleQuery('only_with_tag',$sym) . "\">$sym</A>";
                   2885:     }
                   2886:     return $ret."\n";
                   2887: }
                   2888:
                   2889: #
                   2890: # See if a module is listed in the config file's @HideModule list.
                   2891: #
1.45.2.47  knu      2892: sub forbidden_module($) {
1.45.2.46  knu      2893:     my($module) = @_;
1.45.2.47  knu      2894:
1.45.2.46  knu      2895:     for (my $i=0; $i < @HideModules; $i++) {
                   2896:        return 1 if $module eq $HideModules[$i];
                   2897:     }
                   2898:
                   2899:     return 0;
1.45.2.52  knu      2900: }
                   2901:
                   2902: # Close the GZIP handle remove the tie.
                   2903:
                   2904: sub gzipclose {
                   2905:        if ($gzip_open) {
                   2906:            select(STDOUT);
                   2907:            close(GZIP);
                   2908:            untie *GZIP;
                   2909:            $gzip_open = 0;
                   2910:        }
1.45.2.51  knu      2911: }
                   2912:
                   2913: # implement a gzipped file handle via the Compress:Zlib compression
                   2914: # library.
                   2915:
                   2916: sub MAGIC1() { 0x1f }
                   2917: sub MAGIC2() { 0x8b }
                   2918: sub OSCODE() { 3    }
                   2919:
                   2920: sub TIEHANDLE {
                   2921:        my ($class, $out) = @_;
                   2922:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
                   2923:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
                   2924:        my ($o) = {
                   2925:                handle => $out,
                   2926:                dh => $d,
                   2927:                crc => 0,
                   2928:                len => 0,
                   2929:        };
                   2930:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
                   2931:        print {$o->{handle}} $header;
                   2932:        return bless($o, $class);
                   2933: }
                   2934:
                   2935: sub PRINT {
                   2936:        my ($o) = shift;
                   2937:        my ($buf) = join(defined $, ? $, : "",@_);
                   2938:        my ($len) = length($buf);
                   2939:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   2940:        print {$o->{handle}} $compressed if defined($compressed);
                   2941:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   2942:        $o->{len} += $len;
                   2943:        return $len;
                   2944: }
                   2945:
                   2946: sub PRINTF {
                   2947:        my ($o) = shift;
                   2948:        my ($fmt) = shift;
                   2949:        my ($buf) = sprintf($fmt, @_);
                   2950:        my ($len) = length($buf);
                   2951:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   2952:        print {$o->{handle}} $compressed if defined($compressed);
                   2953:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   2954:        $o->{len} += $len;
                   2955:        return $len;
                   2956: }
                   2957:
                   2958: sub WRITE {
                   2959:        my ($o, $buf, $len, $off) = @_;
                   2960:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   2961:        print {$o->{handle}} $compressed if defined($compressed);
                   2962:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   2963:        $o->{len} += $len;
                   2964:        return $len;
                   2965: }
                   2966:
                   2967: sub CLOSE {
                   2968:        my ($o) = @_;
                   2969:        return if !defined( $o->{dh});
                   2970:        my ($buf) = $o->{dh}->flush();
                   2971:        $buf .= pack("V V", $o->{crc}, $o->{len});
                   2972:        print {$o->{handle}} $buf;
                   2973:        undef $o->{dh};
                   2974: }
                   2975:
                   2976: sub DESTROY {
                   2977:        my ($o) = @_;
                   2978:        CLOSE($o);
1.1       jfieber  2979: }

CVSweb