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Annotation of cvsweb/cvsweb.cgi, Revision 3.36

3.10      knu         1: #!/usr/bin/perl5 -ws
1.1       jfieber     2: #
3.1       knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
3.12      knu         5: # Written in their spare time by
3.1       knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
3.12      knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
3.1       knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
3.23      knu        12: #             Jens-Uwe Mager   <jum@helios.de>
3.1       knu        13: #
                     14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
3.5       knu        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
3.1       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: #
3.25      knu        45: # $zId: cvsweb.cgi,v 1.103 2000/09/20 17:02:29 jumager Exp $
3.36    ! knu        46: # $Id: cvsweb.cgi,v 3.35 2000/10/10 21:14:05 knu Exp $
1.21      wosch      47: #
3.1       knu        48: ###
                     49:
                     50: use strict;
1.21      wosch      51:
3.1       knu        52: use vars qw (
                     53:     $config $allow_version_select $verbose
                     54:     %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
                     55:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     56:     %symrev %revsym @allrevisions %date %author @revdisplayorder
3.17      knu        57:     @revisions %state %difflines %log %branchpoint @revorder
                     58:     $prcgi @prcategories $prcategories $mancgi
3.1       knu        59:     $checkoutMagic $doCheckout $scriptname $scriptwhere
3.3       knu        60:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     61:     %funcline_regexp $is_mod_perl
3.34      knu        62:     $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
3.1       knu        63:     %input $query $barequery $sortby $bydate $byrev $byauthor
                     64:     $bylog $byfile $hr_default $logsort $cvstree $cvsroot
                     65:     $mimetype $defaultTextPlain $defaultViewable $allow_compress
                     66:     $GZIPBIN $backicon $diricon $fileicon $fullname $newname
3.26      knu        67:     $cvstreedefault $body_tag $body_tag_for_src
                     68:     $logo $defaulttitle $address
                     69:     $long_intro $short_instruction $shortLogLen
3.1       knu        70:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
3.3       knu        71:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
3.1       knu        72:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     73:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     74:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     75:     $allow_markup $use_java_script $open_extern_window
                     76:     $extern_window_width $extern_window_height $edit_option_form
3.35      knu        77:     $show_subdir_lastmod $show_log_in_markup $v
3.1       knu        78:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     79:     $tabstop $state $annTable $sel $curbranch @HideModules
                     80:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
3.23      knu        81:     $use_moddate $has_zlib $gzip_open
3.32      knu        82:     $LOG_FILESEPARATOR $LOG_REVSEPARATOR
3.1       knu        83: );
                     84:
3.12      knu        85: sub printDiffSelect($);
                     86: sub findLastModifiedSubdirs(@);
3.36    ! knu        87: sub htmlify_sub(&$);
3.12      knu        88: sub htmlify($;$);
3.20      knu        89: sub spacedHtmlText($;$);
3.12      knu        90: sub link($$);
                     91: sub revcmp($$);
                     92: sub fatal($$);
                     93: sub redirect($);
                     94: sub safeglob($);
                     95: sub getMimeTypeFromSuffix($);
3.24      knu        96: sub head($;$);
                     97: sub scan_directives(@);
3.12      knu        98: sub doAnnotate($$);
                     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($);
3.35      knu       120: sub htmlquote($);
3.36    ! knu       121: sub htmlunquote($);
3.12      knu       122: sub http_header(;$);
                    123: sub html_header($);
                    124: sub html_footer();
                    125: sub link_tags($);
                    126: sub forbidden_module($);
                    127:
3.1       knu       128: ##### Start of Configuration Area ########
3.11      knu       129: use Cwd;
                    130:
3.12      knu       131: # == EDIT this ==
3.28      knu       132: # Locations to search for user configuration, in order:
                    133: for (
                    134:      $ENV{CVSWEB_CONFIG},
3.13      knu       135:      '/usr/local/etc/cvsweb.conf',
3.28      knu       136:      getcwd() . '/cvsweb.conf'
                    137:     ) {
                    138:     $config = $_ if defined($_) && -r $_;
3.11      knu       139: }
3.1       knu       140:
                    141: # == Configuration defaults ==
                    142: # Defaults for configuration variables that shouldn't need
                    143: # to be configured..
                    144: $allow_version_select = 1;
                    145:
                    146: ##### End of Configuration Area   ########
                    147:
                    148: ######## Configuration variables #########
                    149: # These are defined to allow checking with perl -cw
                    150: %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
                    151: %tags = %alltags = @tabcolors = ();
3.28      knu       152: $cvstreedefault = $body_tag = $body_tag_for_src =
3.26      knu       153: $logo = $defaulttitle = $address =
                    154: $long_intro = $short_instruction = $shortLogLen =
3.1       knu       155: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
3.3       knu       156: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
3.1       knu       157: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    158: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    159: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    160: $allow_markup = $use_java_script = $open_extern_window =
                    161: $extern_window_width = $extern_window_height = $edit_option_form =
3.35      knu       162: $show_subdir_lastmod = $show_log_in_markup = $v =
3.12      knu       163: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
3.25      knu       164: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.21      wosch     165:
3.32      knu       166: $LOG_FILESEPARATOR = q/^={77}$/;
                    167: $LOG_REVSEPARATOR = q/^-{28}$/;
                    168:
3.1       knu       169: ##### End of configuration variables #####
                    170:
                    171: use Time::Local;
                    172: use IPC::Open2;
1.1       jfieber   173:
3.23      knu       174: # Check if the zlib C library interface is installed, and if yes
                    175: # we can avoid using the extra gzip process.
                    176: eval {
                    177:        require Compress::Zlib;
                    178: };
                    179: $has_zlib = !$@;
                    180:
1.1       jfieber   181: $verbose = $v;
3.1       knu       182: $checkoutMagic = "~checkout~";
3.3       knu       183: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    184: $where = $pathinfo;
3.1       knu       185: $doCheckout = ($where =~ /^\/$checkoutMagic/);
                    186: $where =~ s|^/($checkoutMagic)?||;
                    187: $where =~ s|/+$||;
3.3       knu       188: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
                    189: $scriptname =~ s|^/?|/|;
3.1       knu       190: $scriptname =~ s|/+$||;
3.3       knu       191: $scriptwhere = $scriptname;
3.1       knu       192: if ($where) {
3.3       knu       193:     $scriptwhere .= '/' . urlencode($where);
3.1       knu       194: }
3.3       knu       195:
                    196: $is_mod_perl = defined($ENV{MOD_PERL});
3.1       knu       197:
                    198: # in lynx, it it very annoying to have two links
                    199: # per file, so disable the link at the icon
                    200: # in this case:
3.12      knu       201: $Browser = $ENV{HTTP_USER_AGENT};
3.34      knu       202: $is_links = ($Browser =~ m`^Links `);
3.5       knu       203: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    204: $is_w3m = ($Browser =~ m`^w3m/`i);
3.3       knu       205: $is_msie = ($Browser =~ m`MSIE`);
3.5       knu       206: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
3.3       knu       207:
3.34      knu       208: $is_textbased = ($is_links || $is_lynx || $is_w3m);
3.5       knu       209:
                    210: $nofilelinks = $is_textbased;
3.1       knu       211:
                    212: # newer browsers accept gzip content encoding
                    213: # and state this in a header
                    214: # (netscape did always but didn't state it)
                    215: # It has been reported that these
                    216: #  braindamaged MS-Internet Exploders claim that they
                    217: # accept gzip .. but don't in fact and
                    218: # display garbage then :-/
3.23      knu       219: # Turn off gzip if running under mod_perl and no zlib is available,
                    220: # piping does not work as expected inside the server.
3.25      knu       221: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
                    222:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
3.12      knu       223:                 || $is_mozilla3)
                    224:                && !$is_msie
3.23      knu       225:                && !($is_mod_perl && !$has_zlib));
3.1       knu       226:
                    227: # put here the variables we need in order
                    228: # to hold our state - they will be added (with
3.12      knu       229: # their current value) to any link/query string
3.1       knu       230: # you construct
3.6       knu       231: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   232:
3.1       knu       233: if (-f $config) {
3.27      knu       234:    do $config
                    235:      || &fatal("500 Internal Error",
                    236:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    237:                       $config, &htmlify($@)));
                    238: } else {
3.1       knu       239:    &fatal("500 Internal Error",
                    240:          'Configuration not found.  Set the variable <code>$config</code> '
                    241:           . 'in cvsweb.cgi, or the environment variable '
                    242:           . '<code>CVSWEB_CONFIG</code>, to your <b>cvsweb.conf</b> '
                    243:           . 'configuration file first.');
                    244: }
                    245:
                    246: undef %input;
3.3       knu       247: $query = $ENV{QUERY_STRING};
                    248:
3.12      knu       249: if (defined($query) && $query ne '') {
1.9       fenner    250:     foreach (split(/&/, $query)) {
1.7       fenner    251:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    252:        if (/(\S+)=(.*)/) {
3.1       knu       253:            $input{$1} = $2 if ($2 ne "");
                    254:        }
                    255:        else {
1.7       fenner    256:            $input{$_}++;
                    257:        }
                    258:     }
                    259: }
1.10      wosch     260:
3.12      knu       261: # For backwards compability, set only_with_tag to only_on_branch if set.
3.1       knu       262: $input{only_with_tag} = $input{only_on_branch}
                    263:     if (defined($input{only_on_branch}));
1.10      wosch     264:
3.1       knu       265: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     266:
3.1       knu       267: foreach (keys %DEFAULTVALUE)
                    268: {
                    269:     # replace not given parameters with the default parameters
                    270:     if (!defined($input{$_}) || $input{$_} eq "") {
                    271:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    272:        # variable in these forms (copt) which indicates that we just set
                    273:        # parameters with a checkbox
                    274:        if (!defined($input{"copt"})) {
                    275:            # 'copt' isn't defined --> empty input is not the result
                    276:            # of empty input checkbox --> set default
                    277:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    278:        }
                    279:        else {
                    280:            # 'copt' is defined -> the result of empty input checkbox
                    281:            # -> set to zero (disable) if default is a boolean (0|1).
                    282:            $input{$_} = 0
                    283:                if (defined($DEFAULTVALUE{$_})
                    284:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    285:        }
1.10      wosch     286:     }
                    287: }
3.12      knu       288:
3.1       knu       289: $barequery = "";
3.31      knu       290: my @barequery;
3.1       knu       291: foreach (@stickyvars) {
                    292:     # construct a query string with the sticky non default parameters set
3.12      knu       293:     if (defined($input{$_}) && $input{$_} ne '' &&
3.4       knu       294:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
3.32      knu       295:        push @barequery, join('=', urlencode($_), urlencode($input{$_}));
3.1       knu       296:     }
                    297: }
                    298: # is there any query ?
3.31      knu       299: if (@barequery) {
3.35      knu       300:     $barequery = join('&', @barequery);
3.1       knu       301:     $query = "?$barequery";
3.35      knu       302:     $barequery = "&$barequery";
3.1       knu       303: }
                    304: else {
                    305:     $query = "";
                    306: }
3.31      knu       307: undef @barequery;
3.1       knu       308:
                    309: # get actual parameters
                    310: $sortby = $input{"sortby"};
                    311: $bydate = 0;
                    312: $byrev = 0;
                    313: $byauthor = 0;
                    314: $bylog = 0;
                    315: $byfile = 0;
                    316: if ($sortby eq "date") {
                    317:     $bydate = 1;
                    318: }
                    319: elsif ($sortby eq "rev") {
                    320:     $byrev = 1;
                    321: }
                    322: elsif ($sortby eq "author") {
                    323:     $byauthor = 1;
                    324: }
                    325: elsif ($sortby eq "log") {
                    326:     $bylog = 1;
                    327: }
                    328: else {
                    329:     $byfile = 1;
                    330: }
                    331:
3.36    ! knu       332: $hr_default = ($input{'f'} eq 'h' || $input{'f'} eq 'H');
3.1       knu       333:
3.3       knu       334: $logsort = $input{'logsort'};
1.10      wosch     335:
1.12      fenner    336:
3.1       knu       337: ## Default CVS-Tree
                    338: if (!defined($CVSROOT{$cvstreedefault})) {
                    339:    &fatal("500 Internal Error",
                    340:          "<code>\$cvstreedefault</code> points to a repository "
                    341:          . "not defined in <code>%CVSROOT</code> "
                    342:          . "(edit your configuration file $config)");
                    343: }
                    344:
                    345: # alternate CVS-Tree, configured in cvsweb.conf
                    346: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    347:     $cvstree = $input{'cvsroot'};
                    348: } else {
                    349:     $cvstree = $cvstreedefault;
1.10      wosch     350: }
                    351:
3.1       knu       352: $cvsroot = $CVSROOT{$cvstree};
1.10      wosch     353:
3.1       knu       354: # create icons out of description
3.32      knu       355: my $k;
3.31      knu       356: foreach $k (keys %ICONS) {
3.1       knu       357:     no strict 'refs';
                    358:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    359:     if ($ipath) {
3.35      knu       360:        ${"${k}icon"} = sprintf('<IMG SRC="%s" ALT="%s" BORDER="0" WIDTH="%d" HEIGHT="%d">',
                    361:                                htmlquote($ipath), htmlquote($itxt), $iwidth, $iheight)
1.16      wosch     362:     }
3.1       knu       363:     else {
3.3       knu       364:        ${"${k}icon"} = $itxt;
1.24      wosch     365:     }
                    366: }
3.31      knu       367: undef $k;
1.24      wosch     368:
3.27      knu       369: my $config_cvstree = "$config-$cvstree";
                    370:
3.1       knu       371: # Do some special configuration for cvstrees
3.27      knu       372: if (-f $config_cvstree) {
                    373:    do $config_cvstree
                    374:      || &fatal("500 Internal Error",
                    375:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    376:                       $config_cvstree, &htmlify($@)));
                    377: }
3.31      knu       378: undef $config_cvstree;
3.1       knu       379:
                    380: $prcategories = '(?:' . join('|', @prcategories) . ')';
3.17      knu       381: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.24      wosch     382:
3.1       knu       383: $fullname = $cvsroot . '/' . $where;
                    384: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    385: $defaultTextPlain = ($mimetype eq "text/plain");
                    386: $defaultViewable = $allow_markup && viewable($mimetype);
                    387:
                    388: # search for GZIP if compression allowed
                    389: # We've to find out if the GZIP-binary exists .. otherwise
                    390: # ge get an Internal Server Error if we try to pipe the
3.12      knu       391: # output through the nonexistent gzip ..
3.1       knu       392: # any more elegant ways to prevent this are welcome!
3.23      knu       393: if ($allow_compress && $maycompress && !$has_zlib) {
3.1       knu       394:     foreach (split(/:/, $ENV{PATH})) {
                    395:        if (-x "$_/gzip") {
                    396:            $GZIPBIN = "$_/gzip";
                    397:            last;
1.16      wosch     398:        }
                    399:     }
                    400: }
                    401:
3.1       knu       402: if (-d $fullname) {
                    403:     #
                    404:     # ensure, that directories always end with (exactly) one '/'
                    405:     # to allow relative URL's. If they're not, make a redirect.
                    406:     ##
                    407:     if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) {
                    408:        redirect ($scriptwhere . '/' . $query);
                    409:     }
                    410:     else {
                    411:        $where .= '/';
                    412:        $scriptwhere .= '/';
                    413:     }
                    414: }
                    415:
                    416: if (!-d $cvsroot) {
                    417:     &fatal("500 Internal Error",'$CVSROOT not found!<P>The server on which the CVS tree lives is probably down.  Please try again in a few minutes.');
                    418: }
                    419:
                    420: #
                    421: # See if the module is in our forbidden list.
                    422: #
                    423: $where =~ m:([^/]*):;
                    424: $module = $1;
                    425: if ($module && &forbidden_module($module)) {
                    426:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    427: }
                    428: ##############################
                    429: # View a directory
                    430: ###############################
                    431: elsif (-d $fullname) {
                    432:        my $dh = do {local(*DH);};
                    433:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    434:        my @dir = readdir($dh);
                    435:        closedir($dh);
                    436:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    437:            if ($show_subdir_lastmod);
                    438:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    439:
                    440:        if ($where eq '/') {
3.3       knu       441:            html_header($defaulttitle);
3.2       knu       442:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
3.1       knu       443:            print $long_intro;
                    444:        }
                    445:        else {
3.3       knu       446:            html_header($where);
3.1       knu       447:            print $short_instruction;
                    448:        }
                    449:
                    450:        my $descriptions;
                    451:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    452:            while (<DESC>) {
                    453:                chomp;
                    454:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    455:                $descriptions{$dir} = $description;
                    456:            }
                    457:        }
                    458:
                    459:        print "<P><a name=\"dirlist\"></a>\n";
                    460:        # give direct access to dirs
                    461:        if ($where eq '/') {
                    462:            chooseMirror();
                    463:            chooseCVSRoot();
                    464:        }
                    465:        else {
                    466:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    467:
                    468:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    469:                $input{only_with_tag};
1.16      wosch     470:
1.1       jfieber   471:        }
3.12      knu       472:
3.1       knu       473:
                    474:        print "<HR NOSHADE>\n";
1.1       jfieber   475:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    476:        # provides the results that I want in most browsers.  Another
                    477:        # case of layout spooging up HTML.
3.12      knu       478:
3.1       knu       479:        my $infocols = 0;
                    480:        if ($dirtable) {
                    481:            if (defined($tableBorderColor)) {
                    482:                # Can't this be done by defining the border for the inner table?
                    483:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    484:            }
                    485:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    486:            $infocols++;
3.36    ! knu       487:            printf '<tr><th align=left bgcolor="%s">',
        !           488:              $byfile ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       489:            if ($byfile) {
                    490:                print 'File';
                    491:            } else {
                    492:                print &link('File', sprintf('./%s#dirlist',
                    493:                                            &toggleQuery("sortby", "file")));
                    494:            }
3.1       knu       495:            print "</th>";
                    496:            # do not display the other column-headers, if we do not have any files
                    497:            # with revision information:
                    498:            if (scalar(%fileinfo)) {
                    499:                $infocols++;
3.36    ! knu       500:                printf '<th align=left bgcolor="%s">',
        !           501:                  $byrev ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       502:                if ($byrev) {
                    503:                    print 'Rev.';
                    504:                } else {
                    505:                    print &link('Rev.', sprintf('./%s#dirlist',
                    506:                                                &toggleQuery("sortby", "rev")));
                    507:                }
3.1       knu       508:                print "</th>";
                    509:                $infocols++;
3.36    ! knu       510:                printf '<th align=left bgcolor="%s">',
        !           511:                  $bydate ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       512:                if ($bydate) {
                    513:                    print 'Age';
                    514:                } else {
                    515:                    print &link('Age', sprintf('./%s#dirlist',
3.36    ! knu       516:                                               &toggleQuery("sortby", "date")));
3.35      knu       517:                }
3.1       knu       518:                print "</th>";
                    519:                if ($show_author) {
                    520:                    $infocols++;
3.36    ! knu       521:                    printf '<th align=left bgcolor="%s">',
        !           522:                      $byauthor ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       523:                    if ($byauthor) {
                    524:                        print 'Author';
                    525:                    } else {
                    526:                        print &link('Author', sprintf('./%s#dirlist',
                    527:                                                      &toggleQuery("sortby", "author")));
                    528:                    }
3.1       knu       529:                    print "</th>";
                    530:                }
                    531:                $infocols++;
3.36    ! knu       532:                printf '<th align=left bgcolor="%s">',
        !           533:                  $bylog ? $columnHeaderColorSorted : $columnHeaderColorDefault;
3.35      knu       534:                if ($bylog) {
                    535:                    print 'Last log entry';
                    536:                } else {
                    537:                    print &link('Last log entry', sprintf('./%s#dirlist',
3.36    ! knu       538:                                                          &toggleQuery("sortby", "log")));
3.35      knu       539:                }
3.1       knu       540:                print "</th>";
                    541:            }
                    542:            elsif ($use_descriptions) {
3.36    ! knu       543:                printf '<th align=left bgcolor="%s">', $columnHeaderColorDefault;
3.1       knu       544:                print "Description";
                    545:                $infocols++;
                    546:            }
                    547:            print "</tr>\n";
                    548:        }
                    549:        else {
                    550:            print "<menu>\n";
                    551:        }
                    552:        my $dirrow = 0;
3.12      knu       553:
3.1       knu       554:        my $i;
1.9       fenner    555:        lookingforattic:
                    556:        for ($i = 0; $i <= $#dir; $i++) {
                    557:                if ($dir[$i] eq "Attic") {
3.1       knu       558:                    last lookingforattic;
1.9       fenner    559:                }
                    560:        }
3.1       knu       561:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    562:            opendir($dh, $fullname . "/Attic")) {
                    563:            splice(@dir, $i, 1,
                    564:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    565:            closedir($dh);
1.9       fenner    566:        }
3.1       knu       567:
3.35      knu       568:        my $hideAtticToggleLink = $input{'hideattic'} ? '' :
                    569:          &link('[Hide]', sprintf('./%s#dirlist',
                    570:                                  &toggleQuery ("hideattic")));
3.1       knu       571:
1.9       fenner    572:        # Sort without the Attic/ pathname.
3.1       knu       573:        # place directories first
                    574:
                    575:        my $attic;
                    576:        my $url;
                    577:        my $fileurl;
                    578:        my $filesexists;
                    579:        my $filesfound;
                    580:
                    581:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   582:            if ($_ eq '.') {
                    583:                next;
                    584:            }
1.19      wosch     585:            # ignore CVS lock and stale NFS files
3.1       knu       586:            next if (/^#cvs\.|^,|^\.nfs/);
                    587:
                    588:            # Check whether to show the CVSROOT path
                    589:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    590:
                    591:            # Check whether the module is in the restricted list
                    592:            next if ($_ && &forbidden_module($_));
                    593:
                    594:            # Ignore non-readable files
                    595:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     596:
1.9       fenner    597:            if (s|^Attic/||) {
3.1       knu       598:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    599:            }
                    600:            else {
1.9       fenner    601:                $attic = "";
                    602:            }
3.1       knu       603:
                    604:            if ($_ eq '..' || -d "$fullname/$_") {
                    605:                next if ($_ eq '..' && $where eq '/');
                    606:                my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
                    607:                    if (defined($fileinfo{$_}));
3.36    ! knu       608:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
3.1       knu       609:                if ($_ eq '..') {
3.36    ! knu       610:                    $url = "../$query";
3.1       knu       611:                    if ($nofilelinks) {
                    612:                        print $backicon;
                    613:                    }
                    614:                    else {
3.35      knu       615:                        print &link($backicon, $url);
3.1       knu       616:                    }
3.35      knu       617:                    print " ", &link("Previous Directory", $url);
3.1       knu       618:                }
                    619:                else {
3.36    ! knu       620:                    $url = urlencode($_) . "/$query";
3.1       knu       621:                    print "<A NAME=\"$_\"></A>";
                    622:                    if ($nofilelinks) {
                    623:                        print $diricon;
                    624:                    }
                    625:                    else {
3.35      knu       626:                        print &link($diricon, $url);
3.1       knu       627:                    }
3.35      knu       628:                    print " ", &link("$_/", $url), $attic;
3.1       knu       629:                    if ($_ eq "Attic") {
3.35      knu       630:                        print "&nbsp; ";
                    631:                        print &link("[Don't hide]", sprintf('./%s#dirlist',
                    632:                                                            &toggleQuery ("hideattic")));
3.1       knu       633:                    }
3.12      knu       634:                }
3.1       knu       635:                # Show last change in dir
                    636:                if ($filename) {
                    637:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    638:                    if ($date) {
3.36    ! knu       639:                        print " <i>", readableTime(time() - $date,0), "</i>";
3.1       knu       640:                    }
                    641:                    if ($show_author) {
                    642:                        print "</td><td>&nbsp;" if ($dirtable);
                    643:                        print $author;
                    644:                    }
                    645:                    print "</td><td>&nbsp;" if ($dirtable);
                    646:                    $filename =~ s%^[^/]+/%%;
                    647:                    print "$filename/$rev";
                    648:                    print "<BR>" if ($dirtable);
                    649:                    if ($log) {
3.36    ! knu       650:                        print "&nbsp;<font size=-1>",
        !           651:                          &htmlify(substr($log,0,$shortLogLen));
3.1       knu       652:                        if (length $log > 80) {
                    653:                            print "...";
                    654:                        }
                    655:                        print "</font>";
                    656:                    }
                    657:                }
                    658:                else {
                    659:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    660:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
3.36    ! knu       661:                        print "<TD COLSPAN=", ($infocols-1), ">&nbsp;" if $dirtable;
3.1       knu       662:                        print $descriptions{$dwhere};
                    663:                    } elsif ($dirtable && $infocols > 1) {
                    664:                        # close the row with the appropriate number of
                    665:                        # columns, so that the vertical seperators are visible
                    666:                        my($cols) = $infocols;
                    667:                        while ($cols > 1) {
                    668:                            print "</td><td>&nbsp;";
                    669:                            $cols--;
                    670:                        }
                    671:                    }
                    672:                }
                    673:                if ($dirtable) {
                    674:                    print "</td></tr>\n";
                    675:                }
                    676:                else {
                    677:                    print "<br>\n";
                    678:                }
                    679:                $dirrow++;
1.9       fenner    680:            }
3.1       knu       681:            elsif (s/,v$//) {
                    682:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    683:                $url = $fileurl . $query;
                    684:                my $rev = '';
                    685:                my $date = '';
                    686:                my $log = '';
                    687:                my $author = '';
                    688:                $filesexists++;
                    689:                next if (!defined($fileinfo{$_}));
                    690:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    691:                $filesfound++;
3.36    ! knu       692:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
3.1       knu       693:                print "<A NAME=\"$_\"></A>";
                    694:                if ($nofilelinks) {
                    695:                    print $fileicon;
                    696:                }
                    697:                else {
                    698:                    print &link($fileicon,$url);
                    699:                }
                    700:                print " ", &link($_, $url), $attic;
                    701:                print "</td><td>&nbsp;" if ($dirtable);
                    702:                download_link($fileurl,
3.35      knu       703:                              $rev, $rev,
                    704:                              $defaultViewable ? "text/x-cvsweb-markup" : undef);
3.1       knu       705:                print "</td><td>&nbsp;" if ($dirtable);
                    706:                if ($date) {
3.36    ! knu       707:                    print " <i>", readableTime(time() - $date,0), "</i>";
3.1       knu       708:                }
                    709:                if ($show_author) {
                    710:                    print "</td><td>&nbsp;" if ($dirtable);
                    711:                    print $author;
                    712:                }
                    713:                print "</td><td>&nbsp;" if ($dirtable);
                    714:                if ($log) {
3.36    ! knu       715:                    print " <font size=-1>", &htmlify(substr($log,0,$shortLogLen));
3.1       knu       716:                    if (length $log > 80) {
                    717:                        print "...";
                    718:                    }
                    719:                    print "</font>";
                    720:                }
                    721:                print "</td>" if ($dirtable);
                    722:                print (($dirtable) ? "</tr>" : "<br>");
                    723:                $dirrow++;
                    724:            }
                    725:            print "\n";
                    726:        }
                    727:        if ($dirtable && defined($tableBorderColor)) {
                    728:            print "</td></tr></table>";
                    729:        }
3.36    ! knu       730:        print( $dirtable == 1 ? "</table>\n" : "</menu>\n" );
3.12      knu       731:
3.1       knu       732:        if ($filesexists && !$filesfound) {
                    733:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    734:        }
                    735:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    736:            %tags = %alltags
                    737:        }
3.12      knu       738:        if (scalar %tags
                    739:            || $input{only_with_tag}
3.1       knu       740:            || $edit_option_form
                    741:            || defined($input{"options"})) {
                    742:            print "<hr size=1 NOSHADE>";
                    743:        }
                    744:
                    745:        if (scalar %tags || $input{only_with_tag}) {
                    746:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    747:            foreach my $var (@stickyvars) {
                    748:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    749:                    if (defined($input{$var})
3.23      knu       750:                        && (!defined($DEFAULTVALUE{$var})
                    751:                            || $input{$var} ne $DEFAULTVALUE{$var})
3.1       knu       752:                        && $input{$var} ne ""
                    753:                        && $var ne "only_with_tag");
                    754:            }
                    755:            print "Show only files with tag:\n";
                    756:            print "<SELECT NAME=only_with_tag";
                    757:            print " onchange=\"submit()\"" if ($use_java_script);
                    758:            print ">";
                    759:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    760:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
3.12      knu       761:                print "<OPTION",defined($input{only_with_tag}) &&
3.13      knu       762:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
3.1       knu       763:                       ">$tag\n";
                    764:            }
                    765:            print "</SELECT>\n";
                    766:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    767:            print "</FORM>\n";
                    768:        }
3.1       knu       769:        my $formwhere = $scriptwhere;
                    770:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    771:
                    772:        if ($edit_option_form || defined($input{"options"})) {
                    773:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    774:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    775:            if ($cvstree ne $cvstreedefault) {
                    776:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    777:            }
                    778:            print "<center><table cellpadding=0 cellspacing=0>";
                    779:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    780:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    781:            print "<OPTION VALUE=\"\">File";
                    782:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    783:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    784:                if ($show_author);
                    785:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    786:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    787:            print "</SELECT></td>";
                    788:            print "<td>revisions by: \n";
                    789:            print "<SELECT NAME=logsort>\n";
                    790:            print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                    791:            print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                    792:            print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
                    793:            print "</SELECT></td></tr>";
                    794:            print "<tr><td>Diff format: ";
3.12      knu       795:            printDiffSelect(0);
3.1       knu       796:            print "</td>";
                    797:            print "<td>Show Attic files: ";
3.13      knu       798:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
3.1       knu       799:            "></td></tr>\n";
                    800:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    801:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    802:        }
1.2       jfieber   803:        print &html_footer;
1.1       jfieber   804:        print "</BODY></HTML>\n";
3.12      knu       805:     }
3.1       knu       806:
                    807: ###############################
                    808: # View Files
                    809: ###############################
                    810:     elsif (-f $fullname . ',v') {
                    811:        if (defined($input{'rev'}) || $doCheckout) {
                    812:            &doCheckout($fullname, $input{'rev'});
3.25      knu       813:            gzipclose();
3.1       knu       814:            exit;
                    815:        }
                    816:        if (defined($input{'annotate'}) && $allow_annotate) {
                    817:            &doAnnotate($input{'annotate'});
3.25      knu       818:            gzipclose();
3.1       knu       819:            exit;
                    820:        }
                    821:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    822:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    823:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
3.25      knu       824:            gzipclose();
3.1       knu       825:            exit;
                    826:        }
                    827:        print("going to dolog($fullname)\n") if ($verbose);
                    828:        &doLog($fullname);
                    829: ##############################
                    830: # View Diff
                    831: ##############################
                    832:     }
                    833:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    834:           $input{'r1'} && $input{'r2'}) {
                    835:
                    836:        # $where-diff-removal if 'cvs rdiff' is used
                    837:        # .. but 'cvs rdiff'doesn't support some options
                    838:        # rcsdiff does (-w and -p), so it is disabled
                    839:        # $where =~ s/\.diff$//;
                    840:
1.12      fenner    841:        # Allow diffs using the ".diff" extension
                    842:        # so that browsers that default to the URL
                    843:        # for a save filename don't save diff's as
                    844:        # e.g. foo.c
3.1       knu       845:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner    846:                $input{'r2'}, $input{'tr2'}, $input{'f'});
3.25      knu       847:        gzipclose();
1.12      fenner    848:        exit;
3.1       knu       849:     }
                    850:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                    851:           -f $newname . ",v") {
1.12      fenner    852:        # The file has been removed and is in the Attic.
                    853:        # Send a redirect pointing to the file in the Attic.
3.1       knu       854:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.12      fenner    855:        &redirect($newplace);
                    856:        exit;
3.1       knu       857:     }
                    858:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                    859:        http_header("text/plain");
1.12      fenner    860:        print "You matched the following files:\n";
                    861:        print join("\n", @files);
                    862:        # Find the tags from each file
                    863:        # Display a form offering diffs between said tags
3.1       knu       864:     }
                    865:     else {
                    866:        my $fh = do {local(*FH);};
                    867:        my ($xtra, $module);
1.12      fenner    868:        # Assume it's a module name with a potential path following it.
1.13      fenner    869:        $xtra = $& if (($module = $where) =~ s|/.*||);
1.12      fenner    870:        # Is there an indexed version of modules?
3.1       knu       871:        if (open($fh, "$cvsroot/CVSROOT/modules")) {
                    872:            while (<$fh>) {
                    873:                if (/^(\S+)\s+(\S+)/o && $module eq $1
                    874:                    && -d "${cvsroot}/$2" && $module ne $2) {
                    875:                    &redirect($scriptname . '/' . $2 . $xtra);
1.12      fenner    876:                }
3.1       knu       877:            }
1.12      fenner    878:        }
                    879:        &fatal("404 Not Found","$where: no such file or directory");
3.1       knu       880:     }
3.23      knu       881:
3.25      knu       882: gzipclose();
3.1       knu       883: ## End MAIN
                    884:
3.12      knu       885: sub printDiffSelect($) {
3.1       knu       886:     my ($use_java_script) = @_;
                    887:     my ($f) = $input{'f'};
                    888:     print "<SELECT NAME=\"f\"";
                    889:     print " onchange=\"submit()\"" if ($use_java_script);
                    890:     print ">\n";
                    891:     print "<OPTION VALUE=h",$f eq "h" ? " SELECTED" : "", ">Colored Diff";
                    892:     print "<OPTION VALUE=H",$f eq "H" ? " SELECTED" : "", ">Long Colored Diff";
                    893:     print "<OPTION VALUE=u",$f eq "u" ? " SELECTED" : "", ">Unidiff";
                    894:     print "<OPTION VALUE=c",$f eq "c" ? " SELECTED" : "", ">Context Diff";
                    895:     print "<OPTION VALUE=s",$f eq "s" ? " SELECTED" : "", ">Side by Side";
                    896:     print "</SELECT>";
                    897: }
                    898:
3.12      knu       899: sub findLastModifiedSubdirs(@) {
3.1       knu       900:     my (@dirs) = @_;
                    901:     my ($dirname, @files);
                    902:
                    903:     foreach $dirname (@dirs) {
                    904:        next if ($dirname eq ".");
                    905:        next if ($dirname eq "..");
                    906:        my ($dir) = "$fullname/$dirname";
                    907:        next if (!-d $dir);
                    908:
                    909:        my ($lastmod) = undef;
                    910:        my ($lastmodtime) = undef;
                    911:        my $dh = do {local(*DH);};
                    912:
                    913:        opendir($dh,$dir) || next;
                    914:        my (@filenames) = readdir($dh);
                    915:        closedir($dh);
                    916:
                    917:        foreach my $filename (@filenames) {
                    918:            $filename = "$dirname/$filename";
                    919:            my ($file) = "$fullname/$filename";
                    920:            next if ($filename !~ /,v$/ || !-f $file);
                    921:            $filename =~ s/,v$//;
                    922:            my $modtime = -M $file;
                    923:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                    924:                $lastmod = $filename;
                    925:                $lastmodtime = $modtime;
                    926:            }
                    927:        }
                    928:        push(@files, $lastmod) if (defined($lastmod));
                    929:     }
                    930:     return @files;
1.12      fenner    931: }
                    932:
3.36    ! knu       933: sub htmlify_sub(&$) {
        !           934:     (my $proc, local $_) = @_;
        !           935:     local @_ = split(m`(<a [^>]+>[^<]*</a>)`i);
        !           936:     my ($linked, $result);
        !           937:
        !           938:     while (($_, $linked) = splice(@_, 0, 2)) {
        !           939:        &$proc();
        !           940:        $result .= $_;
        !           941:        $result .= $linked;
        !           942:     }
1.12      fenner    943:
3.36    ! knu       944:     $result;
        !           945: }
1.12      fenner    946:
3.36    ! knu       947: sub htmlify($;$) {
        !           948:     (local $_, my $extra) = @_;
3.1       knu       949:
3.36    ! knu       950:     $_ = htmlquote($_);
3.17      knu       951:
3.36    ! knu       952:     # get URL's as link
        !           953:     s{
        !           954:       (http|ftp|https)://\S+
        !           955:      }{
        !           956:         &link($&, htmlunquote($&))
        !           957:      }egx;
        !           958:
        !           959:     # get e-mails as link
        !           960:     $_ = htmlify_sub {
        !           961:        s<
        !           962:          [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
        !           963:            ><
        !           964:              &link($&, "mailto:$&")
        !           965:                >egix;
        !           966:     } $_;
        !           967:
        !           968:     if ($extra) {
        !           969:        # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
        !           970:        if (defined($prcgi)) {
        !           971:            my $prev;
        !           972:
        !           973:            do {
        !           974:                $prev = $_;
        !           975:
        !           976:                $_ = htmlify_sub {
        !           977:                    s{
        !           978:                      (\bPR[:\#]?\s*
        !           979:                       (?:
        !           980:                        \#?
        !           981:                        \d+[,\s]\s*
        !           982:                       )*
        !           983:                       \#?)
        !           984:                      (\d+)\b
        !           985:                     }{
        !           986:                         $1 . &link($2, sprintf($prcgi, $2)) . $3
        !           987:                     }egix;
        !           988:                } $_;
        !           989:            } while ($_ ne $prev);
        !           990:
        !           991:            $_ = htmlify_sub {
        !           992:                s{
        !           993:                  (\b$prcategories/(\d+)\b)
        !           994:                 }{
        !           995:                     &link($1, sprintf($prcgi, $2)) . $3
        !           996:                 }egox;
        !           997:            } $_;
        !           998:        }
        !           999:
        !          1000:        # get manpage specs as link: "foo.1" "foo(1)"
        !          1001:        if (defined($mancgi)) {
        !          1002:            $_ = htmlify_sub {
        !          1003:                s{
        !          1004:                  (\b([a-zA-Z][\w_.]+)
        !          1005:                   (?:
        !          1006:                    \( ([0-9n]) \)\B
        !          1007:                    |
        !          1008:                    \.([0-9n])\b
        !          1009:                   )
        !          1010:                  )
        !          1011:                 }{
        !          1012:                     &link($1, sprintf($mancgi, $3 ne '' ? $3 : $4, $2)) . $5
        !          1013:                 }egx;
        !          1014:            } $_;
3.1       knu      1015:        }
3.36    ! knu      1016:     }
3.1       knu      1017:
3.36    ! knu      1018:     $_;
3.1       knu      1019: }
                   1020:
3.20      knu      1021: sub spacedHtmlText($;$) {
3.12      knu      1022:        local $_ = $_[0];
3.20      knu      1023:        my $ts = $_[1] || $tabstop;
3.1       knu      1024:
3.20      knu      1025:        # Cut trailing spaces and tabs
                   1026:        s/[ \t]+$//;
3.1       knu      1027:
3.22      knu      1028:         if (defined($ts)) {
3.20      knu      1029:            # Expand tabs
                   1030:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                   1031:        }
3.1       knu      1032:
                   1033:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1034:        # gzip can make excellent use of this repeating pattern :-)
                   1035:        if ($hr_breakable) {
                   1036:            # make every other space 'breakable'
3.12      knu      1037:            s/  / \001nbsp;/g;                              # 2 * <space>
3.1       knu      1038:            # leave single space as it is
3.20      knu      1039:        } else {
3.12      knu      1040:            s/ /\001nbsp;/g;
1.12      fenner   1041:        }
                   1042:
3.12      knu      1043:        $_ = htmlify($_);
3.1       knu      1044:
                   1045:        # unescape
3.20      knu      1046:        y/\001/&/;
3.1       knu      1047:
3.12      knu      1048:        return $_;
1.12      fenner   1049: }
                   1050:
3.12      knu      1051: sub link($$) {
3.1       knu      1052:        my($name, $where) = @_;
1.12      fenner   1053:
3.35      knu      1054:        sprintf '<A HREF="%s">%s</A>', htmlquote($where), $name;
1.12      fenner   1055: }
                   1056:
3.12      knu      1057: sub revcmp($$) {
3.1       knu      1058:        my($rev1, $rev2) = @_;
3.15      knu      1059:
                   1060:        # make no comparison for a tag or a branch
                   1061:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1062:
3.1       knu      1063:        my(@r1) = split(/\./, $rev1);
                   1064:        my(@r2) = split(/\./, $rev2);
                   1065:        my($a,$b);
1.12      fenner   1066:
                   1067:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1068:            if ($a != $b) {
                   1069:                return $a <=> $b;
                   1070:            }
                   1071:        }
                   1072:        if (@r1) { return 1; }
                   1073:        if (@r2) { return -1; }
                   1074:        return 0;
                   1075: }
                   1076:
3.12      knu      1077: sub fatal($$) {
3.1       knu      1078:        my($errcode, $errmsg) = @_;
3.3       knu      1079:        if ($is_mod_perl) {
3.1       knu      1080:                Apache->request->status((split(/ /, $errcode))[0]);
                   1081:        }
                   1082:        else {
3.4       knu      1083:                print "Status: $errcode\r\n";
3.1       knu      1084:        }
                   1085:        html_header("Error");
1.12      fenner   1086:        print "Error: $errmsg\n";
                   1087:        print &html_footer;
                   1088:        exit(1);
                   1089: }
                   1090:
3.12      knu      1091: sub redirect($) {
3.1       knu      1092:        my($url) = @_;
3.3       knu      1093:        if ($is_mod_perl) {
3.1       knu      1094:                Apache->request->status(301);
                   1095:                Apache->request->header_out(Location => $url);
                   1096:        }
                   1097:        else {
3.4       knu      1098:                print "Status: 301 Moved\r\n";
                   1099:                print "Location: $url\r\n";
3.1       knu      1100:        }
                   1101:        html_header("Moved");
3.35      knu      1102:        print "This document is located ", &link('here', $url), "\n";
1.12      fenner   1103:        print &html_footer;
                   1104:        exit(1);
                   1105: }
                   1106:
3.12      knu      1107: sub safeglob($) {
3.1       knu      1108:        my ($filename) = @_;
                   1109:        my ($dirname);
                   1110:        my (@results);
                   1111:        my $dh = do {local(*DH);};
1.12      fenner   1112:
                   1113:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1114:        $filename =~ s|.*/||;
                   1115:
3.1       knu      1116:        if (opendir($dh, $dirname)) {
                   1117:                my $glob = $filename;
                   1118:                my $t;
1.12      fenner   1119:        #       transform filename from glob to regex.  Deal with:
                   1120:        #       [, {, ?, * as glob chars
                   1121:        #       make sure to escape all other regex chars
                   1122:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1123:                $glob =~ s/\*/.*/g;
                   1124:                $glob =~ s/\?/./g;
                   1125:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
3.1       knu      1126:                foreach (readdir($dh)) {
1.12      fenner   1127:                        if (/^${glob}$/) {
3.36    ! knu      1128:                                push(@results, "$dirname/" .$_);
1.12      fenner   1129:                        }
                   1130:                }
                   1131:        }
                   1132:
                   1133:        @results;
                   1134: }
                   1135:
3.12      knu      1136: sub getMimeTypeFromSuffix($) {
3.1       knu      1137:     my ($fullname) = @_;
                   1138:     my ($mimetype, $suffix);
                   1139:     my $fh = do {local(*FH);};
                   1140:
                   1141:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1142:     $mimetype = $MTYPES{$suffix};
                   1143:     $mimetype = $MTYPES{'*'} if (!$mimetype);
3.12      knu      1144:
3.1       knu      1145:     if (!$mimetype && -f $mime_types) {
                   1146:        # okey, this is something special - search the
                   1147:        # mime.types database
                   1148:        open ($fh, "<$mime_types");
                   1149:        while (<$fh>) {
                   1150:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1151:                $mimetype = $1;
                   1152:                last;
                   1153:            }
                   1154:        }
                   1155:        close ($fh);
                   1156:     }
3.12      knu      1157:
3.1       knu      1158: # okey, didn't find anything useful ..
                   1159:     if (!($mimetype =~ /\S\/\S/)) {
                   1160:        $mimetype = "text/plain";
                   1161:     }
                   1162:     return $mimetype;
                   1163: }
                   1164:
                   1165: ###############################
3.24      knu      1166: # read first lines like head(1)
                   1167: ###############################
                   1168: sub head($;$) {
                   1169:     my $fh = $_[0];
                   1170:     my $linecount = $_[1] || 10;
                   1171:
                   1172:     my @buf;
                   1173:
                   1174:     if ($linecount > 0) {
                   1175:        my $i;
                   1176:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1177:            push @buf, scalar <$fh>;
                   1178:        }
                   1179:     } else {
                   1180:        @buf = <$fh>;
                   1181:     }
                   1182:
                   1183:     @buf;
                   1184: }
                   1185:
                   1186: ###############################
                   1187: # scan vim and Emacs directives
                   1188: ###############################
                   1189: sub scan_directives(@) {
                   1190:     my $ts = undef;
                   1191:
                   1192:     for (@_) {
                   1193:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1194:     }
                   1195:
                   1196:     ('tabstop' => $ts);
                   1197: }
                   1198:
                   1199: ###############################
3.1       knu      1200: # show Annotation
                   1201: ###############################
3.12      knu      1202: sub doAnnotate($$) {
3.1       knu      1203:     my ($rev) = @_;
                   1204:     my ($pid);
                   1205:     my ($pathname, $filename);
                   1206:     my $reader = do {local(*FH);};
                   1207:     my $writer = do {local(*FH);};
                   1208:
                   1209:     # make sure the revisions a wellformed, for security
                   1210:     # reasons ..
3.15      knu      1211:     if ($rev =~ /[^\w.]/) {
3.1       knu      1212:        &fatal("404 Not Found",
3.3       knu      1213:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1214:     }
1.12      fenner   1215:
3.1       knu      1216:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1217:     ($filename = $where) =~ s/^.*\///;
                   1218:
                   1219:     # this seems to be necessary
                   1220:     $| = 1; $| = 0; # Flush
                   1221:
                   1222:     # this annotate version is based on the
                   1223:     # cvs annotate-demo Perl script by Cyclic Software
                   1224:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1225:     # the public domain.
                   1226:     # we could abandon the use of rlog, rcsdiff and co using
                   1227:     # the cvsserver in a similiar way one day (..after rewrite)
3.29      knu      1228:     $pid = open2($reader, $writer, "cvs -Rl server") || fatal ("500 Internal Error",
3.1       knu      1229:                                                               "Fatal Error - unable to open cvs for annotation");
3.12      knu      1230:
3.1       knu      1231:     # OK, first send the request to the server.  A simplified example is:
                   1232:     #     Root /home/kingdon/zwork/cvsroot
                   1233:     #     Argument foo/xx
                   1234:     #     Directory foo
                   1235:     #     /home/kingdon/zwork/cvsroot/foo
                   1236:     #     Directory .
                   1237:     #     /home/kingdon/zwork/cvsroot
                   1238:     #     annotate
                   1239:     # although as you can see there are a few more details.
3.12      knu      1240:
3.1       knu      1241:     print $writer "Root $cvsroot\n";
                   1242:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1243:     # Don't worry about sending valid-requests, the server just needs to
                   1244:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1245:     print $writer "UseUnchanged\n";
                   1246:     print $writer "Argument -r\n";
                   1247:     print $writer "Argument $rev\n";
                   1248:     print $writer "Argument $where\n";
                   1249:
                   1250:     # The protocol requires us to fully fake a working directory (at
                   1251:     # least to the point of including the directories down to the one
                   1252:     # containing the file in question).
                   1253:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
3.3       knu      1254:     my @dirs = split('/', $where);
3.1       knu      1255:     my $path = "";
                   1256:     foreach (@dirs) {
                   1257:        if ($path eq "") {
                   1258:            # In our example, $_ is "dir".
                   1259:            $path = $_;
3.12      knu      1260:        }
3.1       knu      1261:        else {
3.3       knu      1262:            print $writer "Directory $path\n";
                   1263:            print $writer "$cvsroot/$path\n";
3.1       knu      1264:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1265:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1266:            # ignored, because we don't need to send Directory for the file).
3.3       knu      1267:             $path .= "/$_";
3.1       knu      1268:        }
                   1269:     }
                   1270:     # And the last "Directory" before "annotate" is the top level.
                   1271:     print $writer "Directory .\n";
                   1272:     print $writer "$cvsroot\n";
3.12      knu      1273:
3.1       knu      1274:     print $writer "annotate\n";
                   1275:     # OK, we've sent our command to the server.  Thing to do is to
                   1276:     # close the writer side and get all the responses.  If "cvs server"
                   1277:     # were nicer about buffering, then we could just leave it open, I think.
                   1278:     close ($writer) || die "cannot close: $!";
3.12      knu      1279:
3.30      knu      1280:     http_header();
                   1281:
                   1282:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1283:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1284:
3.1       knu      1285:     # Ready to get the responses from the server.
                   1286:     # For example:
                   1287:     #     E Annotations for foo/xx
                   1288:     #     E ***************
3.12      knu      1289:     #     M 1.3          (kingdon  06-Sep-97): hello
3.1       knu      1290:     #     ok
                   1291:     my ($lineNr) = 0;
                   1292:     my ($oldLrev, $oldLusr) = ("", "");
                   1293:     my ($revprint, $usrprint);
                   1294:     if ($annTable) {
                   1295:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1296:     }
                   1297:     else {
                   1298:        print "<pre>";
                   1299:     }
3.24      knu      1300:
                   1301:     # prefetch several lines
                   1302:     my @buf = head($reader);
                   1303:
                   1304:     my %d = scan_directives(@buf);
                   1305:
                   1306:     while (@buf || !eof($reader)) {
                   1307:        $_ = @buf ? shift @buf : <$reader>;
                   1308:
3.1       knu      1309:        my @words = split;
                   1310:        # Adding one is for the (single) space which follows $words[0].
                   1311:        my $rest = substr ($_, length ($words[0]) + 1);
                   1312:        if ($words[0] eq "E") {
                   1313:            next;
                   1314:        }
                   1315:        elsif ($words[0] eq "M") {
                   1316:            $lineNr++;
3.30      knu      1317:            (my $lrev = substr($_, 2, 13)) =~ y/ //d;
                   1318:            (my $lusr = substr($_, 16,  9)) =~ y/ //d;
                   1319:            my $line = substr($_, 36);
                   1320:            my $isCurrentRev = ($rev eq $lrev);
3.1       knu      1321:            # we should parse the date here ..
                   1322:            if ($lrev eq $oldLrev) {
3.30      knu      1323:                $revprint = sprintf('%-8s', '');
3.1       knu      1324:            }
                   1325:            else {
3.30      knu      1326:                $revprint = sprintf('%-8s', $lrev);
3.36    ! knu      1327:                $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;     # `
3.30      knu      1328:                $oldLusr = '';
3.1       knu      1329:            }
                   1330:            if ($lusr eq $oldLusr) {
3.30      knu      1331:                $usrprint = '';
3.1       knu      1332:            }
                   1333:            else {
                   1334:                $usrprint = $lusr;
                   1335:            }
                   1336:            $oldLrev = $lrev;
                   1337:            $oldLusr = $lusr;
3.12      knu      1338:
3.30      knu      1339:            # Set bold for text-based browsers only - graphical
                   1340:            # browsers show bold fonts a bit wider than regular fonts,
                   1341:            # so it looks irregular.
                   1342:            print "<b>" if ($isCurrentRev && $is_textbased);
                   1343:
3.32      knu      1344:            printf "%s%s %-8s %4d:",
3.30      knu      1345:                    $revprint,
                   1346:                    $isCurrentRev ? '!' : ' ',
                   1347:                    $usrprint,
3.32      knu      1348:                    $lineNr;
3.24      knu      1349:            print spacedHtmlText($line, $d{'tabstop'});
3.30      knu      1350:
                   1351:            print "</b>" if ($isCurrentRev && $is_textbased);
3.1       knu      1352:        }
                   1353:        elsif ($words[0] eq "ok") {
                   1354:            # We could complain about any text received after this, like the
                   1355:            # CVS command line client.  But for simplicity, we don't.
                   1356:        }
                   1357:        elsif ($words[0] eq "error") {
3.36    ! knu      1358:            fatal("500 Internal Error", "Error occured during annotate: <b>$_</b>");
3.1       knu      1359:        }
                   1360:     }
                   1361:     if ($annTable) {
                   1362:        print "</table>";
                   1363:     }
                   1364:     else {
                   1365:        print "</pre>";
                   1366:     }
                   1367:     close ($reader) || warn "cannot close: $!";
                   1368:     wait;
                   1369: }
                   1370:
                   1371: ###############################
                   1372: # make Checkout
                   1373: ###############################
3.12      knu      1374: sub doCheckout($$) {
3.1       knu      1375:     my ($fullname, $rev) = @_;
                   1376:     my ($mimetype,$revopt);
                   1377:     my $fh = do {local(*FH);};
                   1378:
3.15      knu      1379:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1380:        $rev = undef;
                   1381:     }
                   1382:
3.1       knu      1383:     # make sure the revisions a wellformed, for security
                   1384:     # reasons ..
3.15      knu      1385:     if (defined($rev) && $rev =~ /[^\w.]/) {
3.1       knu      1386:        &fatal("404 Not Found",
3.3       knu      1387:                "Malformed query \"$ENV{QUERY_STRING}\"");
3.1       knu      1388:     }
                   1389:
                   1390:     # get mimetype
                   1391:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1392:        $mimetype = $input{"content-type"}
                   1393:     }
                   1394:     else {
                   1395:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1396:     }
                   1397:
                   1398:     if (defined($rev)) {
                   1399:        $revopt = "-r$rev";
                   1400:        if ($use_moddate) {
                   1401:            readLog($fullname,$rev);
                   1402:            $moddate=$date{$rev};
                   1403:        }
                   1404:     }
                   1405:     else {
                   1406:        $revopt = "-rHEAD";
                   1407:        if ($use_moddate) {
                   1408:            readLog($fullname);
                   1409:            $moddate=$date{$symrev{HEAD}};
                   1410:        }
                   1411:     }
3.12      knu      1412:
3.1       knu      1413:     ### just for the record:
                   1414:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1415:     ### directories/files having spaces in it;
                   1416:     ### this is an issue that should be resolved on cvs's side
                   1417:     #
                   1418:     # Safely for a child process to read from.
                   1419:     if (! open($fh, "-|")) { # child
                   1420:       open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
3.15      knu      1421:       exec("cvs", "-Rld", $cvsroot, "co", "-p", $revopt, $where);
3.12      knu      1422:     }
3.1       knu      1423: #===================================================================
                   1424: #Checking out squid/src/ftp.c
                   1425: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1426: #VERS: 1.1.1.28.6.2
                   1427: #***************
                   1428:
                   1429:     # Parse CVS header
                   1430:     my ($revision, $filename, $cvsheader);
                   1431:     while(<$fh>) {
                   1432:        last if (/^\*\*\*\*/);
                   1433:        $revision = $1 if (/^VERS: (.*)$/);
                   1434:        if (/^Checking out (.*)$/) {
                   1435:                $filename = $1;
                   1436:                $filename =~ s/^\.\/*//;
1.12      fenner   1437:        }
3.1       knu      1438:        $cvsheader .= $_;
                   1439:     }
                   1440:     if ($filename ne $where) {
                   1441:        &fatal("500 Internal Error",
                   1442:               "Unexpected output from cvs co: $cvsheader"
                   1443:               . "<p><b>Check whether the directory $cvsroot/CVSROOT exists "
                   1444:               . "and the script has write-access to the CVSROOT/history "
                   1445:               . "file if it exists."
                   1446:               . "<br>The script needs to place lock files in the "
                   1447:               . "directory the file is in as well.</b>");
                   1448:     }
                   1449:     $| = 1;
                   1450:
                   1451:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1452:        &cvswebMarkup($fh,$fullname,$revision);
                   1453:     }
                   1454:     else {
                   1455:        http_header($mimetype);
                   1456:        print <$fh>;
                   1457:     }
                   1458:     close($fh);
                   1459: }
                   1460:
3.12      knu      1461: sub cvswebMarkup($$$) {
3.1       knu      1462:     my ($filehandle,$fullname,$revision) = @_;
                   1463:     my ($pathname, $filename);
                   1464:
                   1465:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1466:     ($filename = $where) =~ s/^.*\///;
                   1467:     my ($fileurl) = urlencode($filename);
                   1468:
                   1469:     http_header();
                   1470:
3.12      knu      1471:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
3.1       knu      1472:     print "<HR noshade>";
                   1473:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1474:     print "File: ", &clickablePath($where, 1);
3.35      knu      1475:     print "&nbsp;(";
                   1476:     &download_link($fileurl, $revision, "download");
                   1477:     print ")";
3.1       knu      1478:     if (!$defaultTextPlain) {
3.35      knu      1479:        print "&nbsp;(";
                   1480:        &download_link($fileurl, $revision, "as text",
3.1       knu      1481:               "text/plain");
3.35      knu      1482:        print ")";
3.1       knu      1483:     }
                   1484:     print "<BR>\n";
                   1485:     if ($show_log_in_markup) {
                   1486:        readLog($fullname); #,$revision);
                   1487:        printLog($revision,0);
                   1488:     }
                   1489:     else {
                   1490:        print "Version: <B>$revision</B><BR>\n";
                   1491:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1492:            $input{only_with_tag};
                   1493:     }
                   1494:     print "</td></tr></table>";
                   1495:     my $url = download_url($fileurl, $revision, $mimetype);
                   1496:     print "<HR noshade>";
                   1497:     if ($mimetype =~ /^image/) {
3.35      knu      1498:        printf '<IMG SRC="%s"><BR>', htmlquote("$url$barequery");
3.1       knu      1499:     }
3.23      knu      1500:     elsif ($mimetype =~ m%^application/pdf%) {
3.35      knu      1501:        printf '<EMBED SRC="%s" WIDTH="100%"><BR>', htmlquote("$url$barequery");
3.23      knu      1502:     }
3.1       knu      1503:     else {
                   1504:        print "<PRE>";
3.24      knu      1505:
                   1506:        # prefetch several lines
                   1507:        my @buf = head($filehandle);
                   1508:
                   1509:        my %d = scan_directives(@buf);
                   1510:
                   1511:        while (@buf || !eof($filehandle)) {
                   1512:            $_ = @buf ? shift @buf : <$filehandle>;
                   1513:
                   1514:            print spacedHtmlText($_, $d{'tabstop'});
1.12      fenner   1515:        }
3.1       knu      1516:        print "</PRE>";
                   1517:     }
1.12      fenner   1518: }
                   1519:
3.1       knu      1520: sub viewable($) {
                   1521:     my ($mimetype) = @_;
                   1522:
3.23      knu      1523:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
3.1       knu      1524: }
                   1525:
                   1526: ###############################
                   1527: # Show Colored Diff
                   1528: ###############################
3.12      knu      1529: sub doDiff($$$$$$) {
3.1       knu      1530:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1531:         my $fh = do {local(*FH);};
                   1532:        my ($rev1, $rev2, $sym1, $sym2, @difftype, $diffname, $f1, $f2);
1.12      fenner   1533:
                   1534:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1535:            $rev1 = $1;
                   1536:            $sym1 = $3;
                   1537:        }
3.1       knu      1538:        if ($r1 eq 'text') {
1.12      fenner   1539:            $rev1 = $tr1;
3.1       knu      1540:            $sym1 = "";
1.12      fenner   1541:        }
                   1542:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1543:            $rev2 = $1;
                   1544:            $sym2 = $3;
                   1545:        }
3.1       knu      1546:        if ($r2 eq 'text') {
1.12      fenner   1547:            $rev2 = $tr2;
3.1       knu      1548:            $sym2 = "";
1.12      fenner   1549:        }
3.15      knu      1550:
3.1       knu      1551:        # make sure the revisions a wellformed, for security
                   1552:        # reasons ..
3.15      knu      1553:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1554:            &fatal("404 Not Found",
3.3       knu      1555:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1556:        }
                   1557: #
                   1558: # rev1 and rev2 are now both numeric revisions.
                   1559: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1560: # XXX should we warn about the fact that we do this?
                   1561:        if (&revcmp($rev1,$rev2) > 0) {
3.1       knu      1562:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1563:            ($rev1, $sym1) = ($rev2, $sym2);
                   1564:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1565:        }
3.1       knu      1566:        my $human_readable = 0;
1.12      fenner   1567:        if ($f eq 'c') {
3.1       knu      1568:            @difftype = qw{-c};
1.12      fenner   1569:            $diffname = "Context diff";
3.1       knu      1570:        }
                   1571:        elsif ($f eq 's') {
                   1572:            @difftype = qw{--side-by-side --width=164};
1.12      fenner   1573:            $diffname = "Side by Side";
3.1       knu      1574:        }
                   1575:        elsif ($f eq 'H') {
                   1576:            $human_readable = 1;
                   1577:            @difftype = qw{--unified=15};
                   1578:            $diffname = "Long Human readable";
                   1579:        }
                   1580:        elsif ($f eq 'h') {
                   1581:            @difftype =qw{-u};
                   1582:            $human_readable = 1;
                   1583:            $diffname = "Human readable";
                   1584:        }
                   1585:        elsif ($f eq 'u') {
                   1586:            @difftype = qw{-u};
1.12      fenner   1587:            $diffname = "Unidiff";
                   1588:        }
3.1       knu      1589:        else {
                   1590:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1591:        }
                   1592:
                   1593:        # apply special options
3.3       knu      1594:        if ($showfunc) {
3.15      knu      1595:            push @difftype, '-p' if $f =~ /^[cHhu]$/;
3.1       knu      1596:
3.3       knu      1597:            my($re1, $re2);
3.1       knu      1598:
3.3       knu      1599:            while (($re1, $re2) = each %funcline_regexp) {
                   1600:                if ($fullname =~ /$re1/) {
                   1601:                    push @difftype, '-F', '$re2';
                   1602:                    last;
3.1       knu      1603:                }
                   1604:            }
3.3       knu      1605:        }
                   1606:        if ($human_readable) {
3.1       knu      1607:            if ($hr_ignwhite) {
                   1608:                push @difftype, '-w';
                   1609:            }
                   1610:            if ($hr_ignkeysubst) {
                   1611:                push @difftype, '-kk';
                   1612:            }
                   1613:        }
                   1614:        if (! open($fh, "-|")) { # child
3.3       knu      1615:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1616:            exec("rcsdiff",@difftype,"-r$rev1","-r$rev2",$fullname);
3.1       knu      1617:        }
                   1618:        if ($human_readable) {
                   1619:            http_header();
                   1620:            &human_readable_diff($fh, $rev2);
3.25      knu      1621:            gzipclose();
3.1       knu      1622:            exit;
                   1623:        }
                   1624:        else {
                   1625:            http_header("text/plain");
1.44      knu      1626:        }
1.12      fenner   1627: #
                   1628: #===================================================================
                   1629: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1630: #retrieving revision 1.16
                   1631: #retrieving revision 1.17
                   1632: #diff -c -r1.16 -r1.17
                   1633: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1634: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1635: #
                   1636: # Ideas:
                   1637: # - nuke the stderr output if it's what we expect it to be
                   1638: # - Add "no differences found" if the diff command supplied no output.
                   1639: #
                   1640: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1641: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1642: # (bogus example, but...)
                   1643: #
3.1       knu      1644:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1645:            $f1 = '---';
                   1646:            $f2 = '\+\+\+';
3.1       knu      1647:        }
                   1648:        else {
1.12      fenner   1649:            $f1 = '\*\*\*';
                   1650:            $f2 = '---';
                   1651:        }
3.1       knu      1652:        while (<$fh>) {
1.12      fenner   1653:            if (m|^$f1 $cvsroot|o) {
                   1654:                s|$cvsroot/||o;
                   1655:                if ($sym1) {
                   1656:                    chop;
3.36    ! knu      1657:                    $_ .= " $sym1\n";
1.12      fenner   1658:                }
3.1       knu      1659:            }
                   1660:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1661:                s|$cvsroot/||o;
                   1662:                if ($sym2) {
                   1663:                    chop;
3.36    ! knu      1664:                    $_ .= " $sym2\n";
1.12      fenner   1665:                }
                   1666:            }
                   1667:            print $_;
                   1668:        }
3.1       knu      1669:        close($fh);
1.12      fenner   1670: }
                   1671:
3.1       knu      1672: ###############################
                   1673: # Show Logs ..
                   1674: ###############################
3.12      knu      1675: sub getDirLogs($$@) {
3.1       knu      1676:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1677:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1678:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1679:
                   1680:     $tag = $input{only_with_tag};
                   1681:
                   1682:     my ($DirName) = "$cvsroot/$where";
                   1683:     my (@files, @filetags);
                   1684:     my $fh = do {local(*FH);};
                   1685:
                   1686:     push(@files, &safeglob("$DirName/*,v"));
                   1687:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1688:     foreach $file (@otherFiles) {
                   1689:        push(@files, "$DirName/$file");
                   1690:     }
                   1691:
                   1692:     # just execute rlog if there are any files
3.12      knu      1693:     if ($#files < 0) {
3.1       knu      1694:        return;
                   1695:     }
                   1696:
                   1697:     if ($tag) {
                   1698:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1699:        if (! open($fh, "-|")) {
3.7       knu      1700:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1701:                exec('rlog', @files);
3.1       knu      1702:        }
                   1703:     }
                   1704:     else {
                   1705:        my $kidpid = open($fh, "-|");
                   1706:        if (! $kidpid) {
3.4       knu      1707:                open(STDERR, '>/dev/null'); # rlog may complain; ignore.
3.7       knu      1708:                exec('rlog', '-r', @files);
3.1       knu      1709:        }
                   1710:     }
                   1711:     $state = "start";
                   1712:     while (<$fh>) {
                   1713:        if ($state eq "start") {
                   1714:            #Next file. Initialize file variables
                   1715:            $rev = undef;
                   1716:            $revwanted = undef;
                   1717:            $branch = undef;
                   1718:            $branchpoint = undef;
                   1719:            $filename = undef;
                   1720:            $log = undef;
                   1721:            $revision = undef;
                   1722:            $branch = undef;
                   1723:            %symrev = ();
                   1724:            @filetags = ();
                   1725:            #jump to head state
                   1726:            $state = "head";
                   1727:        }
                   1728:        print "$state:$_" if ($verbose);
                   1729: again:
                   1730:        if ($state eq "head") {
                   1731:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
                   1732:            $filename = $1 if (/^Working file: (.+)$/);
                   1733:            $head = $1 if (/^head: (.+)$/);
                   1734:            $branch = $1 if (/^branch: (.+)$/);
                   1735:        }
                   1736:        if ($state eq "head" && /^symbolic names/) {
                   1737:            $state = "tags";
3.12      knu      1738:            ($branch = $head) =~ s/\.\d+$// if (!defined($branch));
3.1       knu      1739:            $branch =~ s/(\.?)(\d+)$/${1}0.$2/;
                   1740:            $symrev{MAIN} = $branch;
                   1741:            $symrev{HEAD} = $branch;
                   1742:            $alltags{MAIN} = 1;
                   1743:            $alltags{HEAD} = 1;
                   1744:            push (@filetags, "MAIN", "HEAD");
                   1745:            next;
                   1746:        }
                   1747:        if ($state eq "tags" &&
                   1748:                            /^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1749:            push (@filetags, $1);
                   1750:            $symrev{$1} = $2;
                   1751:            $alltags{$1} = 1;
                   1752:            next;
                   1753:        }
                   1754:        if ($state eq "tags" && /^\S/) {
                   1755:            if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) {
                   1756:                $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag};
                   1757:                ($branch = $revwanted) =~ s/\b0\.//;
                   1758:                ($branchpoint = $branch) =~ s/\.?\d+$//;
                   1759:                $revwanted = undef if ($revwanted ne $branch);
                   1760:            }
                   1761:            elsif (defined($tag) && $tag ne "HEAD") {
                   1762:                print "Tag not found, skip this file" if ($verbose);
                   1763:                $state = "skip";
                   1764:                next;
                   1765:            }
                   1766:            foreach my $tagfound (@filetags) {
                   1767:                $tags{$tagfound} = 1;
                   1768:            }
                   1769:            $state = "head";
                   1770:            goto again;
                   1771:        }
3.32      knu      1772:        if ($state eq "head" && /$LOG_REVSEPARATOR/o) {
3.1       knu      1773:            $state = "log";
                   1774:            $rev = undef;
                   1775:            $date = undef;
                   1776:            $log = "";
                   1777:            # Try to reconstruct the relative filename if RCS spits out a full path
                   1778:            $filename =~ s%^\Q$DirName\E/%%;
                   1779:            next;
                   1780:        }
                   1781:        if ($state eq "log") {
3.32      knu      1782:            if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
3.1       knu      1783:                # End of a log entry.
                   1784:                my $revbranch;
                   1785:                ($revbranch = $rev) =~ s/\.\d+$//;
3.36    ! knu      1786:                print "$filename $rev Wanted: $revwanted ",
        !          1787:                  "Revbranch: $revbranch Branch: $branch ",
        !          1788:                    "Branchpoint: $branchpoint\n" if ($verbose);
3.1       knu      1789:                if (!defined($revwanted) && defined($branch)
                   1790:                    && $branch eq $revbranch || !defined($tag)) {
                   1791:                    print "File revision $rev found for branch $branch\n"
                   1792:                        if ($verbose);
                   1793:                    $revwanted = $rev;
                   1794:                }
                   1795:                if (defined($revwanted) ? $rev eq $revwanted :
                   1796:                    defined($branchpoint) ? $rev eq $branchpoint :
                   1797:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1798:                    print "File info $rev found for $filename\n" if ($verbose);
                   1799:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1800:                    my ($name);
                   1801:                    ($name = $filename) =~ s%/.*%%;
                   1802:                    $fileinfo{$name} = [ @finfo ];
                   1803:                    $state = "done" if ($rev eq $revwanted);
                   1804:                }
                   1805:                $rev = undef;
                   1806:                $date = undef;
                   1807:                $log = "";
                   1808:            }
                   1809:            elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
                   1810:                my $yr = $1;
                   1811:                # damn 2-digit year routines :-)
                   1812:                if ($yr > 100) {
                   1813:                    $yr -= 1900;
                   1814:                }
                   1815:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   1816:                ($author) = /author: ([^;]+)/;
                   1817:                $state = "log";
                   1818:                $log = '';
                   1819:                next;
                   1820:            }
                   1821:            elsif (!defined($rev) && m/^revision (.*)$/) {
                   1822:                $rev = $1;
                   1823:                next;
                   1824:            }
                   1825:            else {
3.36    ! knu      1826:                $log .= $_;
3.1       knu      1827:            }
                   1828:        }
3.32      knu      1829:        if (/$LOG_FILESEPARATOR/o) {
3.1       knu      1830:            $state = "start";
                   1831:            next;
                   1832:        }
                   1833:     }
                   1834:     if ($. == 0) {
3.12      knu      1835:        fatal("500 Internal Error",
3.1       knu      1836:              "Failed to spawn GNU rlog on <em>'".join(", ", @files)."'</em><p>did you set the <b>\$ENV{PATH}</b> in your configuration file correctly ?");
                   1837:     }
                   1838:     close($fh);
                   1839: }
                   1840:
3.12      knu      1841: sub readLog($;$) {
3.1       knu      1842:        my($fullname,$revision) = @_;
                   1843:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   1844:        my $fh = do {local(*FH);};
                   1845:
                   1846:        if (defined($revision)) {
                   1847:            $revision = "-r$revision";
                   1848:        }
                   1849:        else {
                   1850:            $revision = "";
                   1851:        }
                   1852:
                   1853:        undef %symrev;
                   1854:        undef %revsym;
                   1855:        undef @allrevisions;
                   1856:        undef %date;
                   1857:        undef %author;
                   1858:        undef %state;
                   1859:        undef %difflines;
                   1860:        undef %log;
1.12      fenner   1861:
                   1862:        print("Going to rlog '$fullname'\n") if ($verbose);
3.1       knu      1863:        if (! open($fh, "-|")) { # child
                   1864:                if ($revision ne '') {
                   1865:                        exec("rlog",$revision,$fullname);
                   1866:                }
                   1867:                else {
                   1868:                        exec("rlog",$fullname);
                   1869:                }
1.44      knu      1870:        }
3.1       knu      1871:        while (<$fh>) {
1.1       jfieber  1872:            print if ($verbose);
                   1873:            if ($symnames) {
                   1874:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   1875:                    $symrev{$1} = $2;
3.1       knu      1876:                }
                   1877:                else {
1.1       jfieber  1878:                    $symnames = 0;
                   1879:                }
3.1       knu      1880:            }
                   1881:            elsif (/^head:\s+([\d\.]+)/) {
                   1882:                $head = $1;
                   1883:            }
                   1884:            elsif (/^branch:\s+([\d\.]+)/) {
                   1885:                $curbranch = $1;
                   1886:            }
                   1887:            elsif (/^symbolic names/) {
1.1       jfieber  1888:                $symnames = 1;
3.1       knu      1889:            }
                   1890:            elsif (/^-----/) {
1.1       jfieber  1891:                last;
                   1892:            }
                   1893:        }
3.1       knu      1894:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   1895:
1.1       jfieber  1896: # each log entry is of the form:
                   1897: # ----------------------------
                   1898: # revision 3.7.1.1
                   1899: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   1900: # log info
                   1901: # ----------------------------
                   1902:        logentry:
3.32      knu      1903:        while (!/$LOG_FILESEPARATOR/o) {
3.1       knu      1904:            $_ = <$fh>;
1.12      fenner   1905:            last logentry if (!defined($_));    # EOF
1.1       jfieber  1906:            print "R:", $_ if ($verbose);
                   1907:            if (/^revision ([\d\.]+)/) {
                   1908:                $rev = $1;
3.1       knu      1909:                unshift(@allrevisions,$rev);
                   1910:            }
3.32      knu      1911:            elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
1.1       jfieber  1912:                next logentry;
3.1       knu      1913:            }
                   1914:            else {
1.12      fenner   1915:                # The rlog output is syntactically ambiguous.  We must
                   1916:                # have guessed wrong about where the end of the last log
                   1917:                # message was.
                   1918:                # Since this is likely to happen when people put rlog output
                   1919:                # in their commit messages, don't even bother keeping
                   1920:                # these lines since we don't know what revision they go with
                   1921:                # any more.
                   1922:                next logentry;
                   1923: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  1924:            }
3.1       knu      1925:            $_ = <$fh>;
1.1       jfieber  1926:            print "D:", $_ if ($verbose);
3.1       knu      1927:            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+-]+))?|) {
                   1928:                my $yr = $1;
                   1929:                 # damn 2-digit year routines :-)
                   1930:                 if ($yr > 100) {
                   1931:                     $yr -= 1900;
                   1932:                 }
                   1933:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  1934:                $author{$rev} = $7;
1.9       fenner   1935:                $state{$rev} = $8;
3.1       knu      1936:                $difflines{$rev} = $10;
                   1937:            }
                   1938:            else {
1.1       jfieber  1939:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   1940:            }
                   1941:            line:
3.1       knu      1942:            while (<$fh>) {
1.1       jfieber  1943:                print "L:", $_ if ($verbose);
                   1944:                next line if (/^branches:\s/);
3.32      knu      1945:                last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
1.1       jfieber  1946:                $log{$rev} .= $_;
                   1947:            }
                   1948:            print "E:", $_ if ($verbose);
                   1949:        }
3.1       knu      1950:        close($fh);
1.1       jfieber  1951:        print "Done reading RCS file\n" if ($verbose);
3.1       knu      1952:
                   1953:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   1954:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   1955:
1.1       jfieber  1956: #
                   1957: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   1958: # branch, unless there is a branch tag in the RCS file in which case it's the
                   1959: # highest revision on that branch.  Find it by looking through @revorder; it
                   1960: # is the first commit listed on the appropriate branch.
3.1       knu      1961: # This is not neccesary the same revision as marked as head in the RCS file.
                   1962:        my $headrev = $curbranch || "1";
                   1963:        ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/;
1.1       jfieber  1964:        revision:
3.1       knu      1965:        foreach $rev (@revorder) {
                   1966:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   1967:                $symrev{"HEAD"} = $rev;
1.1       jfieber  1968:                last revision;
                   1969:            }
                   1970:        }
3.1       knu      1971:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   1972:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  1973:        print "Done finding HEAD\n" if ($verbose);
                   1974: #
                   1975: # Now that we know all of the revision numbers, we can associate
                   1976: # absolute revision numbers with all of the symbolic names, and
                   1977: # pass them to the form so that the same association doesn't have
                   1978: # to be built then.
                   1979: #
3.1       knu      1980:        undef @branchnames;
                   1981:        undef %branchpoint;
                   1982:        undef $sel;
                   1983:
                   1984:        foreach (reverse sort keys %symrev) {
1.1       jfieber  1985:            $rev = $symrev{$_};
3.1       knu      1986:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   1987:                push(@branchnames, $_);
1.1       jfieber  1988:                #
                   1989:                # A revision number of A.B.0.D really translates into
                   1990:                # "the highest current revision on branch A.B.D".
                   1991:                #
                   1992:                # If there is no branch A.B.D, then it translates into
                   1993:                # the head A.B .
                   1994:                #
3.1       knu      1995:                # This reasoning also applies to the main branch A.B,
                   1996:                # with the branch number 0.A, with the exception that
                   1997:                # it has no head to translate to if there is nothing on
                   1998:                # the branch, but I guess this can never happen?
                   1999:                # (the code below gracefully forgets about the branch
                   2000:                # if it should happen)
                   2001:                #
                   2002:                $head = defined($2) ? $2 : "";
1.1       jfieber  2003:                $branch = $3;
3.1       knu      2004:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2005:                my $regex;
                   2006:                ($regex = $branchrev) =~ s/\./\\./g;
1.1       jfieber  2007:                $rev = $head;
                   2008:
                   2009:                revision:
3.1       knu      2010:                foreach my $r (@revorder) {
                   2011:                    if ($r =~ /^${regex}\b/) {
                   2012:                        $rev = $branchrev;
1.1       jfieber  2013:                        last revision;
                   2014:                    }
                   2015:                }
3.1       knu      2016:                next if ($rev eq "");
                   2017:                if ($rev ne $head && $head ne "") {
1.8       fenner   2018:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   2019:                    $branchpoint{$head} .= $_;
                   2020:                }
1.1       jfieber  2021:            }
3.1       knu      2022:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   2023:            $revsym{$rev} .= $_;
1.1       jfieber  2024:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   2025:        }
                   2026:        print "Done associating revisions with branches\n" if ($verbose);
3.1       knu      2027:
                   2028:        my ($onlyonbranch, $onlybranchpoint);
                   2029:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   2030:            $onlyonbranch = $symrev{$onlyonbranch};
                   2031:            if ($onlyonbranch =~ s/\b0\.//) {
                   2032:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2033:            }
                   2034:             else {
                   2035:                $onlybranchpoint = $onlyonbranch;
                   2036:            }
                   2037:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2038:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   2039:            }
1.8       fenner   2040:        }
1.1       jfieber  2041:
3.1       knu      2042:        undef @revisions;
                   2043:
                   2044:        foreach (@allrevisions) {
1.7       fenner   2045:            ($br = $_) =~ s/\.\d+$//;
3.1       knu      2046:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   2047:            next if ($onlyonbranch && $br ne $onlyonbranch &&
3.1       knu      2048:                                        $_ ne $onlybranchpoint);
                   2049:            unshift(@revisions,$_);
                   2050:        }
                   2051:
                   2052:        if ($logsort eq "date") {
                   2053:            # Sort the revisions in commit order an secondary sort on revision
                   2054:            # (secondary sort needed for imported sources, or the first main
                   2055:            # revision gets before the same revision on the 1.1.1 branch)
                   2056:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   2057:        }
                   2058:         elsif ($logsort eq "rev") {
                   2059:            # Sort the revisions in revision order, highest first
                   2060:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   2061:        }
                   2062:         else {
                   2063:            # No sorting. Present in the same order as rlog / cvs log
                   2064:            @revdisplayorder = @revisions;
                   2065:        }
                   2066:
                   2067: }
                   2068:
                   2069: sub printLog($;$) {
                   2070:        my ($link, $br, $brp);
                   2071:        ($_,$link) = @_;
                   2072:        ($br = $_) =~ s/\.\d+$//;
                   2073:        ($brp = $br) =~ s/\.?\d+$//;
                   2074:        my ($isDead, $prev);
                   2075:
                   2076:        $link = 1 if (!defined($link));
                   2077:        $isDead = ($state{$_} eq "dead");
                   2078:
                   2079:        if ($link && !$isDead) {
                   2080:            my ($filename);
                   2081:            ($filename = $where) =~ s/^.*\///;
                   2082:            my ($fileurl) = urlencode($filename);
1.4       fenner   2083:            print "<a NAME=\"rev$_\"></a>";
3.1       knu      2084:            if (defined($revsym{$_})) {
                   2085:                foreach my $sym (split(", ", $revsym{$_})) {
                   2086:                    print "<a NAME=\"$sym\"></a>";
                   2087:                }
1.4       fenner   2088:            }
3.1       knu      2089:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   2090:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   2091:                    print "<a NAME=\"$sym\"></a>";
                   2092:                }
3.1       knu      2093:                $nameprinted{$br} = 1;
1.4       fenner   2094:            }
3.1       knu      2095:            print "\n Revision ";
                   2096:            &download_link($fileurl, $_, $_,
3.35      knu      2097:                           $defaultViewable ? "text/x-cvsweb-markup" : undef);
3.1       knu      2098:            if ($defaultViewable) {
3.35      knu      2099:                print " / (";
                   2100:                &download_link($fileurl, $_, "download", $mimetype);
                   2101:                print ")";
3.1       knu      2102:            }
                   2103:            if (not $defaultTextPlain) {
3.35      knu      2104:                print " / (";
                   2105:                &download_link($fileurl, $_, "as text", "text/plain");
                   2106:                print ")";
3.1       knu      2107:            }
                   2108:            if (!$defaultViewable) {
3.35      knu      2109:                print " / (";
                   2110:                &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2111:                print ")";
3.1       knu      2112:            }
                   2113:            if ($allow_annotate) {
3.35      knu      2114:                print " - ";
                   2115:                print &link('annotate',
                   2116:                            sprintf('%s/%s?annotate=%s%s',
                   2117:                                    $scriptname,
                   2118:                                    urlencode($where),
                   2119:                                    $_,
                   2120:                                    $barequery));
3.1       knu      2121:            }
                   2122:            # Plus a select link if enabled, and this version isn't selected
                   2123:            if ($allow_version_select) {
                   2124:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
3.35      knu      2125:                    print " - ";
                   2126:                    print &link('[select for diffs]',
                   2127:                                sprintf('%s?r1=%s%s',
                   2128:                                        $scriptwhere,
                   2129:                                        $_,
                   2130:                                        $barequery));
3.1       knu      2131:                }
                   2132:                else {
                   2133:                    print " - <b>[selected]</b>";
                   2134:                }
                   2135:            }
                   2136:        }
                   2137:        else {
                   2138:            print "Revision <B>$_</B>";
                   2139:        }
                   2140:        if (/^1\.1\.1\.\d+$/) {
                   2141:            print " <i>(vendor branch)</i>";
                   2142:        }
                   2143:        if (defined @mytz) {
                   2144:            my ($est) = $mytz[(localtime($date{$_}))[8]];
3.36    ! knu      2145:            print ", <i>", scalar localtime($date{$_}), " $est</i> (";
3.1       knu      2146:        } else {
3.36    ! knu      2147:            print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
3.1       knu      2148:        }
3.36    ! knu      2149:        print readableTime(time() - $date{$_},1), " ago)";
3.1       knu      2150:        print " by ";
3.36    ! knu      2151:        print "<i>", $author{$_}, "</i>\n";
3.1       knu      2152:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2153:            if ($revsym{$br});
                   2154:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2155:            if ($revsym{$_});
                   2156:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2157:            if ($branchpoint{$_});
                   2158:        # Find the previous revision
                   2159:        my @prevrev = split(/\./, $_);
                   2160:        do {
                   2161:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2162:                # If it was X.Y.Z.1, just make it X.Y
3.1       knu      2163:                pop(@prevrev);
                   2164:                pop(@prevrev);
                   2165:            }
                   2166:            $prev = join(".", @prevrev);
                   2167:        } until (defined($date{$prev}) || $prev eq "");
                   2168:        if ($prev ne "") {
                   2169:            if ($difflines{$_}) {
                   2170:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2171:            }
                   2172:        }
                   2173:        if ($isDead) {
                   2174:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2175:        }
                   2176:        elsif ($link) {
                   2177:            my %diffrev = ();
                   2178:            $diffrev{$_} = 1;
                   2179:            $diffrev{""} = 1;
                   2180:            print "<BR>Diff";
                   2181:            #
                   2182:            # Offer diff to previous revision
                   2183:            if ($prev) {
                   2184:                $diffrev{$prev} = 1;
3.35      knu      2185:
                   2186:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2187:                                  $scriptwhere,
                   2188:                                  $prev,
                   2189:                                  $_,
                   2190:                                  $barequery);
                   2191:
                   2192:                print " to previous ";
                   2193:                print &link($prev, $url);
3.1       knu      2194:                if (!$hr_default) { # offer a human readable version if not default
3.36    ! knu      2195:                    print ' (', &link('colored', "$url&f=h"), ')';
3.1       knu      2196:                }
                   2197:            }
                   2198:            #
                   2199:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2200:            # offer a diff with the branch point.
                   2201:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
3.35      knu      2202:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2203:                                  $scriptwhere,
                   2204:                                  $brp,
                   2205:                                  $_,
                   2206:                                  $barequery);
                   2207:
                   2208:                print " to branchpoint ";
                   2209:                print &link($brp, $url);
3.1       knu      2210:                if (!$hr_default) { # offer a human readable version if not default
3.36    ! knu      2211:                    print ' (', &link('colored', "$url&f=h"), ')';
1.1       jfieber  2212:                }
                   2213:            }
3.1       knu      2214:            #
                   2215:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2216:            # offer to diff with the next revision of the higher branch.
                   2217:            # (e.g. change gets committed and then brought
                   2218:            # over to -stable)
                   2219:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2220:                my ($i,$nextmain);
                   2221:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
                   2222:                my (@tmp2) = split(/\./, $_);
                   2223:                for ($nextmain = ""; $i > 0; $i--) {
                   2224:                    my ($next) = $revorder[$i-1];
                   2225:                    my (@tmp1) = split(/\./, $next);
1.1       jfieber  2226:                    if ($#tmp1 < $#tmp2) {
3.1       knu      2227:                        $nextmain = $next;
                   2228:                        last;
                   2229:                    }
                   2230:                    # Only the highest version on a branch should have
                   2231:                    # a diff for the "next main".
                   2232:                    last if (join(".",@tmp1[0..$#tmp1-1])
                   2233:                             eq join(".",@tmp2[0..$#tmp1-1]));
                   2234:                }
                   2235:                if (!defined($diffrev{$nextmain})) {
                   2236:                    $diffrev{$nextmain} = 1;
3.35      knu      2237:
                   2238:                    my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2239:                                      $scriptwhere,
                   2240:                                      $nextmain,
                   2241:                                      $_,
                   2242:                                      $barequery);
                   2243:
                   2244:                    print " next main ";
                   2245:                    print &link($nextmain, $url);
3.1       knu      2246:                    if (!$hr_default) { # offer a human readable version if not default
3.36    ! knu      2247:                        print ' (', &link('colored', "$url&f=h"), ')';
1.1       jfieber  2248:                    }
                   2249:                }
                   2250:            }
3.1       knu      2251:            # Plus if user has selected only r1, then present a link
                   2252:            # to make a diff to that revision
                   2253:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2254:                $diffrev{$input{"r1"}} = 1;
3.35      knu      2255:
                   2256:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2257:                                  $scriptwhere,
                   2258:                                  $input{'r1'},
                   2259:                                  $_,
                   2260:                                  $barequery);
                   2261:
                   2262:                print " to selected ";
                   2263:                print &link($input{'r1'}, $url);
3.1       knu      2264:                if (!$hr_default) { # offer a human readable version if not default
3.36    ! knu      2265:                    print ' (', &link('colored', "$url&f=h"), ')';
3.1       knu      2266:                }
1.9       fenner   2267:            }
1.1       jfieber  2268:        }
3.1       knu      2269:        print "<PRE>\n";
                   2270:        print &htmlify($log{$_}, 1);
                   2271:        print "</PRE>\n";
                   2272: }
                   2273:
3.12      knu      2274: sub doLog($) {
3.1       knu      2275:        my($fullname) = @_;
                   2276:        my ($diffrev, $upwhere, $filename, $backurl);
3.12      knu      2277:
3.1       knu      2278:        readLog($fullname);
                   2279:
                   2280:         html_header("CVS log for $where");
                   2281:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2282:         ($filename = $where) =~ s|^.*/||;
                   2283:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2284:        print &link($backicon, "$backurl#$filename"),
3.35      knu      2285:          " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2286:        print &link('Request diff between arbitrary revisions', '#diff');
                   2287:         print '<HR NOSHADE>';
                   2288:
3.1       knu      2289:        if ($curbranch) {
3.3       knu      2290:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
3.1       knu      2291:        }
                   2292:        else {
                   2293:            print "No default branch";
                   2294:        }
                   2295:        print "<BR>\n";
                   2296:        if ($input{only_with_tag}) {
                   2297:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2298:        }
                   2299:
                   2300:        undef %nameprinted;
                   2301:
                   2302:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2303:            print "<HR size=1 NOSHADE>";
                   2304:            printLog($revdisplayorder[$i]);
                   2305:        }
                   2306:
                   2307:         print "<HR NOSHADE>";
1.1       jfieber  2308:        print "<A NAME=diff>\n";
                   2309:        print "This form allows you to request diff's between any two\n";
                   2310:        print "revisions of a file.  You may select a symbolic revision\n";
                   2311:        print "name using the selection box or you may type in a numeric\n";
                   2312:        print "name using the type-in text box.\n";
                   2313:        print "</A><P>\n";
3.1       knu      2314:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2315:         foreach (@stickyvars) {
3.35      knu      2316:            printf('<INPUT TYPE=HIDDEN NAME="%s" VALUE="%s">',  $_, $input{$_})
3.1       knu      2317:                if (defined($input{$_})
3.23      knu      2318:                    && ((!defined($DEFAULTVALUE{$_})
                   2319:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2320:                        && $input{$_} ne ""));
3.1       knu      2321:        }
3.21      knu      2322:        print "<TABLE><TR>\n";
                   2323:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2324:        print "<SELECT NAME=\"r1\">\n";
                   2325:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2326:        print $sel;
                   2327:        print "</SELECT>\n";
3.1       knu      2328:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2329:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
3.21      knu      2330:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2331:        print "<TD><BR></TD></TR>\n";
                   2332:        print "<TR><TD align=right>and \n";
1.1       jfieber  2333:        print "<SELECT NAME=\"r2\">\n";
                   2334:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2335:        print $sel;
                   2336:        print "</SELECT>\n";
3.1       knu      2337:        $diffrev = $revdisplayorder[0];
                   2338:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
3.21      knu      2339:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2340:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1       jfieber  2341:        print "</FORM>\n";
3.21      knu      2342:        print "</TR></TABLE>\n";
1.7       fenner   2343:        print "<HR noshade>\n";
3.21      knu      2344:        print "<TABLE>";
                   2345:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
                   2346:         print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2347:         print "<TD>";
                   2348:        printDiffSelect($use_java_script);
                   2349:        print "</TD><TD></TD></TR>\n";
3.1       knu      2350:         if (@branchnames) {
3.21      knu      2351:            print "<TR><TD align=right>View only Branch:</TD>";
                   2352:            print "<TD>";
3.1       knu      2353:            print "<A name=branch></A>\n";
                   2354:            print "<SELECT NAME=\"only_with_tag\"";
                   2355:            print " onchange=\"submit()\"" if ($use_java_script);
                   2356:            print ">\n";
                   2357:            print "<OPTION VALUE=\"\"";
                   2358:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2359:                $input{"only_with_tag"} eq "");
                   2360:            print ">Show all branches\n";
                   2361:            foreach (reverse sort @branchnames) {
1.9       fenner   2362:                print "<OPTION";
3.1       knu      2363:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2364:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2365:                print ">${_}\n";
3.1       knu      2366:            }
3.21      knu      2367:            print "</SELECT></TD><TD></TD></TR>\n";
1.7       fenner   2368:        }
3.1       knu      2369:        foreach (@stickyvars) {
3.21      knu      2370:            next if ($_ eq "f");
3.1       knu      2371:            next if ($_ eq "only_with_tag");
                   2372:            next if ($_ eq "logsort");
                   2373:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
3.23      knu      2374:                if (defined($input{$_})
                   2375:                    && (!defined($DEFAULTVALUE{$_})
                   2376:                        || $input{$_} ne $DEFAULTVALUE{$_})
3.1       knu      2377:                    && $input{$_} ne "");
                   2378:        }
3.21      knu      2379:        print "<TR><TD align=right>";
                   2380:        print "<A name=logsort></A>\n";
                   2381:        print "Sort log by:</TD>";
                   2382:        print "<TD><SELECT NAME=\"logsort\"";
3.1       knu      2383:        print " onchange=\"submit()\"" if ($use_java_script);
                   2384:        print ">\n";
                   2385:        print "<OPTION VALUE=cvs",$logsort eq "cvs" ? " SELECTED" : "", ">Not sorted";
                   2386:        print "<OPTION VALUE=date",$logsort eq "date" ? " SELECTED" : "", ">Commit date";
                   2387:        print "<OPTION VALUE=rev",$logsort eq "rev" ? " SELECTED" : "", ">Revision";
3.21      knu      2388:        print "</SELECT></TD>";
                   2389:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.7       fenner   2390:        print "</FORM>\n";
3.21      knu      2391:        print "</TR></TABLE>";
1.2       jfieber  2392:         print &html_footer;
1.1       jfieber  2393:        print "</BODY></HTML>\n";
1.10      wosch    2394: }
                   2395:
3.12      knu      2396: sub flush_diff_rows($$$$) {
3.1       knu      2397:     my $j;
                   2398:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2399:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2400:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2401:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2402:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2403:       }
                   2404:     }
                   2405:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2406:       # we got removes with subsequent adds
                   2407:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2408:           print  "<tr>";
                   2409:           if ($j < $leftRow) {
                   2410:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2411:          }
                   2412:           else {
                   2413:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2414:          }
                   2415:           if ($j < $rightRow) {
                   2416:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2417:          }
                   2418:           else {
                   2419:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2420:          }
                   2421:           print  "</tr>\n";
                   2422:       }
                   2423:     }
                   2424: }
                   2425:
                   2426: ##
                   2427: # Function to generate Human readable diff-files
                   2428: # human_readable_diff(String revision_to_return_to);
                   2429: ##
                   2430: sub human_readable_diff($){
3.24      knu      2431:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
3.1       knu      2432:   my ($fh, $rev) = @_;
                   2433:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2434:   my (@rightCol, @leftCol);
                   2435:
                   2436:   ($where_nd = $where) =~ s/.diff$//;
                   2437:   ($filename = $where_nd) =~ s/^.*\///;
                   2438:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2439:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2440:
3.12      knu      2441:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
3.1       knu      2442:
                   2443:   # Read header to pick up read revision and date, if possible
                   2444:   while (<$fh>) {
                   2445:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2446:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2447:       last if (/^\+\+\+ /);
                   2448:   }
                   2449:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2450:     $rev1 = $r1r;
                   2451:     $date1 = $r1d;
                   2452:   }
                   2453:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2454:     $rev2 = $r2r;
                   2455:     $date2 = $r2d;
                   2456:   }
3.12      knu      2457:
3.36    ! knu      2458:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n",
        !          2459:     "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n",
        !          2460:       "<tr bgcolor=\"#ffffff\">\n",
        !          2461:        "<th width=\"50%\" valign=TOP>",
        !          2462:          "version $rev1";
3.1       knu      2463:   print ", $date1" if (defined($date1));
                   2464:   print "<br>Tag: $sym1\n" if ($sym1);
3.36    ! knu      2465:   print "</th>\n",
        !          2466:     "<th width=\"50%\" valign=TOP>",
        !          2467:       "version $rev2";
3.1       knu      2468:   print ", $date2" if (defined($date2));
                   2469:   print "<br>Tag: $sym2\n" if ($sym1);
                   2470:   print "</th>\n";
                   2471:
                   2472:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\">";
                   2473:   my $fe = "</font>";
                   2474:
                   2475:   my $leftRow = 0;
                   2476:   my $rightRow = 0;
                   2477:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2478:
                   2479:   # Process diff text
                   2480:   # The diffrows are could make excellent use of
                   2481:   # cascading style sheets because we've to set the
                   2482:   # font and color for each row. anyone ...?
                   2483:   ####
3.24      knu      2484:
                   2485:   # prefetch several lines
                   2486:   my @buf = head($fh);
                   2487:
                   2488:   my %d = scan_directives(@buf);
                   2489:
                   2490:   while (@buf || !eof($fh)) {
                   2491:       $difftxt = @buf ? shift @buf : <$fh>;
3.12      knu      2492:
3.1       knu      2493:       if ($difftxt =~ /^@@/) {
                   2494:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2495:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2496:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2497:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2498:           print  "</td><td width=\"50%\">";
                   2499:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2500:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2501:          print  "</td>\n";
                   2502:          $state = "dump";
                   2503:          $leftRow = 0;
                   2504:          $rightRow = 0;
                   2505:       }
                   2506:       else {
                   2507:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
3.24      knu      2508:          $_ = spacedHtmlText($rest, $d{'tabstop'});
3.1       knu      2509:
                   2510:          # Add fontface, size
                   2511:          $_ = "$fs&nbsp;$_$fe";
3.12      knu      2512:
3.1       knu      2513:          #########
                   2514:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2515:          # in order to get some nice 'ediff'-mode output
                   2516:          # states:
                   2517:          #  "dump"             - just dump the value
                   2518:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2519:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2520:          ##########
                   2521:
                   2522:          if ($diffcode eq '+') {
                   2523:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2524:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2525:              }
                   2526:              else {                   # we got minus before
                   2527:                  $state = "PreChange";
                   2528:                  $rightCol[$rightRow++] = $_;
                   2529:              }
3.12      knu      2530:          }
3.1       knu      2531:          elsif ($diffcode eq '-') {
                   2532:              $state = "PreChangeRemove";
                   2533:              $leftCol[$leftRow++] = $_;
                   2534:         }
                   2535:         else {  # empty diffcode
                   2536:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2537:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2538:              $state = "dump";
                   2539:              $leftRow = 0;
                   2540:              $rightRow = 0;
                   2541:          }
                   2542:       }
                   2543:   }
                   2544:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2545:
                   2546:   # state is empty if we didn't have any change
                   2547:   if (!$state) {
                   2548:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2549:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2550:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2551:   }
                   2552:   print  "</table>";
                   2553:   close($fh);
                   2554:
                   2555:   print "<br><hr noshade width=\"100%\">\n";
                   2556:
                   2557:   print "<table border=0>";
                   2558:
                   2559:   print "<tr><td>";
                   2560:   # print legend
                   2561:   print "<table border=1><tr><td>";
                   2562:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2563:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2564:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2565:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2566:   print  "</table></td></tr></table>\n";
                   2567:
                   2568:   print "<td>";
                   2569:   # Print format selector
                   2570:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2571:   foreach my $var (keys %input) {
                   2572:     next if ($var eq "f");
                   2573:     next if (defined($DEFAULTVALUE{$var})
                   2574:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2575:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2576:            urlencode($input{$var}),"\">\n";
                   2577:   }
                   2578:   printDiffSelect($use_java_script);
                   2579:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2580:   print "</FORM>\n";
                   2581:   print "</td>";
                   2582:
                   2583:   print "</tr></table>";
                   2584: }
                   2585:
3.12      knu      2586: sub navigateHeader($$$$$) {
3.1       knu      2587:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2588:     $swhere = "" if ($swhere eq $scriptwhere);
                   2589:     $swhere = urlencode($filename) if ($swhere eq "");
                   2590:     print "<\!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">";
                   2591:     print "<HTML>\n<HEAD>\n";
3.36    ! knu      2592:     print '<!-- CVSweb $zRevision: 1.103 $  $Revision: 3.35 $ -->';
3.1       knu      2593:     print "\n<TITLE>$path$filename - $title - $rev</TITLE></HEAD>\n";
3.26      knu      2594:     print  "$body_tag_for_src\n";
3.1       knu      2595:     print "<table width=\"100%\" border=0 cellspacing=0 cellpadding=1 bgcolor=\"$navigationHeaderColor\">";
                   2596:     print "<tr valign=bottom><td>";
3.35      knu      2597:     print &link($backicon, "$swhere$query#rev$rev");
3.1       knu      2598:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2599:     print "</b> $fileicon</td>";
3.12      knu      2600:
3.1       knu      2601:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2602:     print "</tr></table>";
                   2603: }
                   2604:
3.12      knu      2605: sub plural_write($$) {
3.1       knu      2606:     my ($num,$text) = @_;
                   2607:     if ($num != 1) {
3.36    ! knu      2608:        $text .= "s";
3.1       knu      2609:     }
                   2610:     if ($num > 0) {
3.36    ! knu      2611:        return join(' ', $num, $text);
3.1       knu      2612:     }
                   2613:     else {
                   2614:        return "";
                   2615:     }
                   2616: }
                   2617:
                   2618: ##
                   2619: # print readable timestamp in terms of
                   2620: # '..time ago'
                   2621: # H. Zeller <zeller@think.de>
                   2622: ##
3.12      knu      2623: sub readableTime($$) {
3.1       knu      2624:     my ($i, $break, $retval);
                   2625:     my ($secs,$long) = @_;
                   2626:
                   2627:     # this function works correct for time >= 2 seconds
                   2628:     if ($secs < 2) {
                   2629:        return "very little time";
                   2630:     }
                   2631:
                   2632:     my %desc = (1 , 'second',
                   2633:                   60, 'minute',
                   2634:                   3600, 'hour',
                   2635:                   86400, 'day',
                   2636:                   604800, 'week',
                   2637:                   2628000, 'month',
                   2638:                   31536000, 'year');
                   2639:     my @breaks = sort {$a <=> $b} keys %desc;
                   2640:     $i = 0;
3.12      knu      2641:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
3.1       knu      2642:        $i++;
                   2643:     }
                   2644:     $i--;
                   2645:     $break = $breaks[$i];
3.3       knu      2646:     $retval = plural_write(int ($secs / $break), $desc{$break});
3.1       knu      2647:
                   2648:     if ($long == 1 && $i > 0) {
                   2649:        my $rest = $secs % $break;
                   2650:        $i--;
                   2651:        $break = $breaks[$i];
3.12      knu      2652:        my $resttime = plural_write(int ($rest / $break),
3.3       knu      2653:                                $desc{$break});
3.1       knu      2654:        if ($resttime) {
3.36    ! knu      2655:            $retval .= ", $resttime";
3.1       knu      2656:        }
                   2657:     }
                   2658:
                   2659:     return $retval;
                   2660: }
                   2661:
                   2662: ##
                   2663: # clickablePath(String pathname, boolean last_item_clickable)
                   2664: #
                   2665: # returns a html-ified path whereas each directory is a link for
                   2666: # faster navigation. last_item_clickable controls whether the
                   2667: # basename (last directory/file) is a link as well
                   2668: ##
                   2669: sub clickablePath($$) {
3.12      knu      2670:     my ($pathname,$clickLast) = @_;
3.1       knu      2671:     my $retval = '';
3.12      knu      2672:
3.1       knu      2673:     if ($pathname eq '/') {
                   2674:        # this should never happen - chooseCVSRoot() is
                   2675:        # intended to do this
                   2676:        $retval = "[$cvstree]";
                   2677:     }
                   2678:     else {
3.35      knu      2679:        $retval .= ' ' . &link("[$cvstree]", sprintf('%s/%s#dirlist',
                   2680:                                                     $scriptname,
                   2681:                                                     $query));
3.1       knu      2682:        my $wherepath = '';
                   2683:        my ($lastslash) = $pathname =~ m|/$|;
                   2684:        foreach (split(/\//, $pathname)) {
3.36    ! knu      2685:            $retval .= " / ";
        !          2686:            $wherepath .= "/$_";
3.1       knu      2687:            my ($last) = "$wherepath/" eq "/$pathname"
3.3       knu      2688:                || $wherepath eq "/$pathname";
3.1       knu      2689:            if ($clickLast || !$last) {
3.35      knu      2690:                $retval .= &link($_, join('',
                   2691:                                          $scriptname,
                   2692:                                          urlencode($wherepath),
                   2693:                                          (!$last || $lastslash ? '/' : ''),
                   2694:                                          $query,
                   2695:                                          (!$last || $lastslash ? "#dirlist" : "")));
3.1       knu      2696:            }
                   2697:            else { # do not make a link to the current dir
3.35      knu      2698:                $retval .= $_;
3.1       knu      2699:            }
                   2700:        }
                   2701:     }
                   2702:     return $retval;
                   2703: }
                   2704:
                   2705: sub chooseCVSRoot() {
                   2706:     my @foo;
                   2707:     foreach (sort keys %CVSROOT) {
                   2708:        if (-d $CVSROOT{$_}) {
                   2709:            push(@foo, $_);
                   2710:        }
                   2711:     }
                   2712:     if (@foo > 1) {
                   2713:        my ($k);
                   2714:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2715:        foreach $k (keys %input) {
3.12      knu      2716:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
3.1       knu      2717:                if ($input{$k}) && ($k ne "cvsroot");
                   2718:        }
                   2719:        # Form-Elements look wierd in Netscape if the background
                   2720:        # isn't gray and the form elements are not placed
                   2721:        # within a table ...
                   2722:        print "<table><tr>";
                   2723:        print "<td>CVS Root:</td>";
                   2724:        print "<td>\n<select name=\"cvsroot\"";
                   2725:        print " onchange=\"submit()\"" if ($use_java_script);
                   2726:        print ">\n";
                   2727:        foreach $k (@foo) {
                   2728:            print "<option value=\"$k\"";
3.3       knu      2729:            print " selected" if ($k eq $cvstree);
3.36    ! knu      2730:            print ">", ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} : $k), "</option>\n";
3.1       knu      2731:        }
                   2732:        print "</select>\n</td>";
                   2733:        print "<td><input type=submit value=\"Go\"></td>";
                   2734:        print "</tr></table></form>";
                   2735:     }
                   2736:     else {
                   2737:        # no choice ..
                   2738:        print "CVS Root: <b>[$cvstree]</b>";
                   2739:     }
                   2740: }
                   2741:
                   2742: sub chooseMirror() {
                   2743:     my ($mirror,$moremirrors);
                   2744:     $moremirrors = 0;
                   2745:     # This code comes from the original BSD-cvsweb
                   2746:     # and may not be useful for your site; If you don't
                   2747:     # set %MIRRORS this won't show up, anyway
                   2748:     #
3.12      knu      2749:     # Should perhaps exlude the current site somehow..
3.1       knu      2750:     if (keys %MIRRORS) {
                   2751:        print "\nThis cvsweb is mirrored in:\n";
                   2752:        foreach $mirror (keys %MIRRORS) {
                   2753:            print ", " if ($moremirrors);
3.35      knu      2754:            print &link(htmlquote($mirror),$MIRRORS{$mirror});
3.1       knu      2755:            $moremirrors = 1;
                   2756:        }
                   2757:        print "<p>\n";
                   2758:     }
                   2759: }
                   2760:
3.12      knu      2761: sub fileSortCmp() {
3.1       knu      2762:     my ($comp) = 0;
                   2763:     my ($c,$d,$af,$bf);
                   2764:
                   2765:     ($af = $a) =~ s/,v$//;
                   2766:     ($bf = $b) =~ s/,v$//;
                   2767:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2768:         if (defined($fileinfo{$af}));
                   2769:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2770:         if (defined($fileinfo{$bf}));
                   2771:
                   2772:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2773:        # Two files
                   2774:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2775:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2776:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2777:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2778:     }
                   2779:     if ($comp == 0) {
                   2780:        # Directories first, then sorted on name if no other sort critera
                   2781:        # available.
                   2782:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2783:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2784:        ($c=$a) =~ s|.*/||;
                   2785:        ($d=$b) =~ s|.*/||;
                   2786:        $comp = ("$ad$c" cmp "$bd$d");
                   2787:     }
                   2788:     return $comp;
                   2789: }
                   2790:
                   2791: # make A url for downloading
3.12      knu      2792: sub download_url($$;$) {
3.1       knu      2793:     my ($url,$revision,$mimetype) = @_;
                   2794:
                   2795:     $revision =~ s/\b0\.//;
                   2796:
3.35      knu      2797:     if (defined($checkoutMagic)
3.1       knu      2798:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
3.35      knu      2799:        my $path = $where;
                   2800:        $path =~ s|/[^/]*$|/|;
3.1       knu      2801:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2802:     }
                   2803:     $url .= "?rev=$revision";
3.35      knu      2804:     $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
3.1       knu      2805:
3.35      knu      2806:     $url;
3.1       knu      2807: }
                   2808:
3.12      knu      2809: # Presents a link to download the
3.1       knu      2810: # selected revision
3.12      knu      2811: sub download_link($$$;$) {
3.35      knu      2812:     my ($url, $revision, $textlink, $mimetype) = @_;
                   2813:     my ($fullurl) = download_url($url, $revision, $mimetype);
                   2814:
                   2815:     printf '<A HREF="%s"', htmlquote("$fullurl$barequery");
                   2816:
3.1       knu      2817:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
3.35      knu      2818:        print ' target="cvs_checkout"';
3.1       knu      2819:        # we should have
                   2820:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   2821:        # in order to allow the user to resize the window; otherwise
                   2822:        # the user may resize the window, but on next checkout - zap -
                   2823:        # its original (configured s. cvsweb.conf) size is back again
                   2824:        # .. annoying (if $extern_window_(width|height) is defined)
                   2825:        # but this if (..) solution is far from perfect
                   2826:        # what we need to do as well is
                   2827:        # 1) save cvswin in an invisible frame that always exists
                   2828:        #    (document.cvswin will be void on next load)
                   2829:        # 2) on close of the cvs_checkout - window set the cvswin
                   2830:        #    variable to 'null' again - so that it will be
                   2831:        #    reopenend with the configured size
                   2832:        # anyone a JavaScript programmer ?
                   2833:        # .. so here without if (..):
                   2834:        # currently, the best way is to comment out the size parameters
                   2835:        # ($extern_window...) in cvsweb.conf.
                   2836:        if ($use_java_script) {
3.35      knu      2837:            my @attr = qw(resizeable scrollbars);
                   2838:
                   2839:            push @attr, qw(status toolbar)
                   2840:              if (defined($mimetype) && $mimetype eq "text/html");
                   2841:
                   2842:            push @attr, "width=$extern_window_width"
                   2843:              if (defined($extern_window_width));
                   2844:
                   2845:            push @attr, "height=$extern_window_height"
                   2846:              if (defined($extern_window_height));
                   2847:
                   2848:            printf q` onClick="window.open('%s','cvs_checkout','%s');"`,
                   2849:              htmlquote($fullurl), join(',', @attr);
3.1       knu      2850:        }
                   2851:     }
                   2852:     print "><b>$textlink</b></A>";
                   2853: }
                   2854:
                   2855: # Returns a Query string with the
                   2856: # specified parameter toggled
                   2857: sub toggleQuery($$) {
                   2858:     my ($toggle,$value) = @_;
                   2859:     my ($newquery,$var);
                   2860:     my (%vars);
                   2861:     %vars = %input;
                   2862:     if (defined($value)) {
                   2863:        $vars{$toggle} = $value;
                   2864:     }
                   2865:     else {
                   2866:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   2867:     }
                   2868:     # Build a new query of non-default paramenters
                   2869:     $newquery = "";
                   2870:     foreach $var (@stickyvars) {
                   2871:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   2872:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   2873:        if ($value ne $default) {
3.35      knu      2874:            $newquery .= "&" if ($newquery ne "");
3.1       knu      2875:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   2876:        }
                   2877:     }
                   2878:     if ($newquery) {
                   2879:        return '?' . $newquery;
                   2880:     }
                   2881:     return "";
                   2882: }
                   2883:
3.12      knu      2884: sub urlencode($) {
3.35      knu      2885:     local($_) = @_;
                   2886:
                   2887:     s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   2888:
                   2889:
                   2890:        $_;
                   2891: }
                   2892:
                   2893: sub htmlquote($) {
                   2894:     local($_) = @_;
                   2895:
                   2896:     # Special Characters; RFC 1866
                   2897:     s/&/&amp;/g;
                   2898:     s/\"/&quot;/g;
                   2899:     s/</&lt;/g;
                   2900:     s/>/&gt;/g;
                   2901:
                   2902:     $_;
3.1       knu      2903: }
                   2904:
3.36    ! knu      2905: sub htmlunquote($) {
        !          2906:     local($_) = @_;
        !          2907:
        !          2908:     # Special Characters; RFC 1866
        !          2909:     s/&quot;/\"/g;
        !          2910:     s/&lt;/</g;
        !          2911:     s/&gt;/>/g;
        !          2912:     s/&amp;/&/g;
        !          2913:
        !          2914:     $_;
        !          2915: }
        !          2916:
3.12      knu      2917: sub http_header(;$) {
3.1       knu      2918:     my $content_type = shift || "text/html";
                   2919:     if (defined($moddate)) {
                   2920:        if ($is_mod_perl) {
3.23      knu      2921:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
3.1       knu      2922:        }
                   2923:        else {
3.36    ! knu      2924:            print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
3.1       knu      2925:        }
                   2926:     }
                   2927:     if ($is_mod_perl) {
                   2928:        Apache->request->content_type($content_type);
                   2929:     }
                   2930:     else {
3.4       knu      2931:            print "Content-type: $content_type\r\n";
3.1       knu      2932:     }
                   2933:     if ($allow_compress && $maycompress) {
3.23      knu      2934:        if ($has_zlib || (defined($GZIPBIN) && open(GZIP, "|$GZIPBIN -1 -c"))) {
3.1       knu      2935:            if ($is_mod_perl) {
                   2936:                    Apache->request->content_encoding("x-gzip");
                   2937:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   2938:                    Apache->request->send_http_header;
                   2939:            }
                   2940:            else {
3.4       knu      2941:                    print "Content-encoding: x-gzip\r\n";
                   2942:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   2943:                    print "\r\n"; # Close headers
3.1       knu      2944:            }
                   2945:            $| = 1; $| = 0; # Flush header output
3.23      knu      2946:            if ($has_zlib) {
                   2947:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   2948:            }
                   2949:            select(GZIP);
                   2950:            $gzip_open = 1;
3.1       knu      2951: #          print "<!-- gzipped -->" if ($content_type eq "text/html");
                   2952:        }
                   2953:        else {
                   2954:            if ($is_mod_perl) {
                   2955:                    Apache->request->send_http_header;
                   2956:            }
                   2957:            else {
3.4       knu      2958:                    print "\r\n"; # Close headers
3.1       knu      2959:            }
                   2960:            print "<font size=-1>Unable to find gzip binary in the \$PATH to compress output</font><br>";
                   2961:        }
                   2962:     }
                   2963:     else {
                   2964:            if ($is_mod_perl) {
                   2965:                    Apache->request->send_http_header;
                   2966:            }
                   2967:            else {
3.4       knu      2968:                    print "\r\n"; # Close headers
3.1       knu      2969:            }
                   2970:     }
                   2971: }
                   2972:
                   2973: sub html_header($) {
                   2974:     my ($title) = @_;
3.36    ! knu      2975:     my $version = '$zRevision: 1.103 $  $Revision: 3.35 $'; #'
3.1       knu      2976:     http_header();
                   2977:     print <<EOH;
                   2978: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   2979:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   2980: <html>
                   2981: <title>$title</title>
3.3       knu      2982: <!-- CVSweb $version -->
3.1       knu      2983: </head>
                   2984: $body_tag
                   2985: $logo <h1 align="center">$title</h1>
                   2986: EOH
                   2987: }
                   2988:
3.12      knu      2989: sub html_footer() {
3.1       knu      2990:     return "<hr noshade><address>$address</address>\n";
                   2991: }
                   2992:
3.12      knu      2993: sub link_tags($) {
3.1       knu      2994:     my ($tags) = @_;
                   2995:     my ($ret) = "";
                   2996:     my ($fileurl,$filename);
                   2997:
                   2998:     ($filename = $where) =~ s/^.*\///;
                   2999:     $fileurl = urlencode($filename);
                   3000:
                   3001:     foreach my $sym (split(", ", $tags)) {
                   3002:        $ret .= ",\n" if ($ret ne "");
3.35      knu      3003:        $ret .= &link($sym, $fileurl . toggleQuery('only_with_tag',$sym));
3.1       knu      3004:     }
3.35      knu      3005:     return "$ret\n";
3.1       knu      3006: }
                   3007:
                   3008: #
                   3009: # See if a module is listed in the config file's @HideModule list.
                   3010: #
3.12      knu      3011: sub forbidden_module($) {
3.1       knu      3012:     my($module) = @_;
3.12      knu      3013:
3.1       knu      3014:     for (my $i=0; $i < @HideModules; $i++) {
                   3015:        return 1 if $module eq $HideModules[$i];
                   3016:     }
                   3017:
                   3018:     return 0;
3.25      knu      3019: }
                   3020:
                   3021: # Close the GZIP handle remove the tie.
                   3022:
                   3023: sub gzipclose {
                   3024:        if ($gzip_open) {
                   3025:            select(STDOUT);
                   3026:            close(GZIP);
                   3027:            untie *GZIP;
                   3028:            $gzip_open = 0;
                   3029:        }
3.23      knu      3030: }
                   3031:
                   3032: # implement a gzipped file handle via the Compress:Zlib compression
                   3033: # library.
                   3034:
                   3035: sub MAGIC1() { 0x1f }
                   3036: sub MAGIC2() { 0x8b }
                   3037: sub OSCODE() { 3    }
                   3038:
                   3039: sub TIEHANDLE {
                   3040:        my ($class, $out) = @_;
                   3041:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3042:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
                   3043:        my ($o) = {
                   3044:                handle => $out,
                   3045:                dh => $d,
                   3046:                crc => 0,
                   3047:                len => 0,
                   3048:        };
                   3049:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
                   3050:        print {$o->{handle}} $header;
                   3051:        return bless($o, $class);
                   3052: }
                   3053:
                   3054: sub PRINT {
                   3055:        my ($o) = shift;
                   3056:        my ($buf) = join(defined $, ? $, : "",@_);
                   3057:        my ($len) = length($buf);
                   3058:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3059:        print {$o->{handle}} $compressed if defined($compressed);
                   3060:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3061:        $o->{len} += $len;
                   3062:        return $len;
                   3063: }
                   3064:
                   3065: sub PRINTF {
                   3066:        my ($o) = shift;
                   3067:        my ($fmt) = shift;
                   3068:        my ($buf) = sprintf($fmt, @_);
                   3069:        my ($len) = length($buf);
                   3070:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3071:        print {$o->{handle}} $compressed if defined($compressed);
                   3072:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3073:        $o->{len} += $len;
                   3074:        return $len;
                   3075: }
                   3076:
                   3077: sub WRITE {
                   3078:        my ($o, $buf, $len, $off) = @_;
                   3079:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3080:        print {$o->{handle}} $compressed if defined($compressed);
                   3081:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3082:        $o->{len} += $len;
                   3083:        return $len;
                   3084: }
                   3085:
                   3086: sub CLOSE {
                   3087:        my ($o) = @_;
                   3088:        return if !defined( $o->{dh});
                   3089:        my ($buf) = $o->{dh}->flush();
                   3090:        $buf .= pack("V V", $o->{crc}, $o->{len});
                   3091:        print {$o->{handle}} $buf;
                   3092:        undef $o->{dh};
                   3093: }
                   3094:
                   3095: sub DESTROY {
                   3096:        my ($o) = @_;
                   3097:        CLOSE($o);
1.1       jfieber  3098: }

CVSweb