2 # Common functions for HTML/XHTML output generation
3 # Copyright (C) 2003-2005 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; exactly version 2 of June 1991 is required
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 require 5.6.0; # at least 'use warnings;' but we need some 5.6.0+ modules anyway
21 our $VERSION=do { my @r=(q$Revision$=~/\d+/g); sprintf "%d.".("%03d"x$#r),@r; };
32 &path_web &path_abs_disk
36 &img ¢erimg &rightimg
38 &input_hidden_persistents
41 our @ISA=qw(Tie::Handle Exporter);
43 my %packages_used_hash;
44 my %packages_used_array;
48 use Carp qw(cluck confess);
49 $W->{"__My::Web_init"}=1;
55 # print STDERR "Wrequire $file\n";
62 for (my $depth=0;defined caller($depth);$depth++) {
63 $callers{caller($depth)}=1;
65 my $selfpkg=__PACKAGE__;
67 for my $target ($class,__PACKAGE__) {
68 for my $caller (keys(%callers)) {
69 next if $caller eq $target;
70 next if $packages_used_hash{$caller}{$target}++;
71 push @{$packages_used_array{$caller}},$target;
74 eval { CORE::require "$file"; } or confess $@;
75 1; # Otherwise 'require' would already file above.
82 # print STDERR "Wuse $file\n";
84 local $Exporter::ExportLevel=$Exporter::ExportLevel+1;
93 local $Exporter::ExportLevel=$Exporter::ExportLevel+1;
95 return $class->SUPER::import(@rest);
99 use WebConfig; # see also below: Wuse 'WebConfig';
101 require Image::Size; # for &imgsize
102 use File::Basename; # &basename
103 use Carp qw(cluck confess);
105 require HTTP::BrowserDetect;
106 require HTTP::Negotiate;
107 my $have_Geo_IP; BEGIN { $have_Geo_IP=eval { require Geo::IP; 1; }; }
108 # Do not: use ModPerl::Util qw(exit);
109 # to prevent in mod_perl2: "exit" is not exported by the ModPerl::Util module
111 use POSIX qw(strftime);
113 use Apache2::Const qw(HTTP_MOVED_TEMPORARILY OK);
122 # $W->{"force_charset"}
123 # $W->{"heading_done"}
124 # $W->{"footer_passed"}
126 # %{$W->{"headers_lc"}} # maps lc($headers_key)=>$headers_key
131 my($apache_request)=@_;
138 sub request_check(;$)
142 # Use &eval to prevent: Global $r object is not available. Set:\n\tPerlOptions +GlobalRequest\nin ...
143 # CGI requires valid "r": check it beforehand here.
144 confess "Calling sensitive dynamic code from a static code" if !eval { Apache2::RequestUtil->request(); };
145 # Do not: confess "Calling sensitive dynamic code without My::Web::init" if !$W->{"__PACKAGE__"};
146 # as it is valid at least while preparing arguments to call: &project::Lib::init
153 print STDERR "$class->init ".Apache2::RequestUtil->request()->unparsed_uri()."\n";
155 # We need to track package dependencies, so we need to call it from &init.
156 # We cannot do it in BEGIN { } block
157 # as it would not be tracked for each of the toplevel users later.
159 Wrequire 'My::Hash::Sub';
162 tie %$W,"My::Hash::Sub";
163 %$W=(%WebConfig,%args); # override %WebConfig settings
164 $W->{"__PACKAGE__"}||=caller();
166 # {"__PACKAGE__"} is mandatory for mod_perl-2.0;
167 # $Apache2::Registry::curstash is no longer supported.
168 do { cluck "No $_" if !$W->{$_}; } for "__PACKAGE__";
171 do { cluck "charset==$_, expecting ISO-8859-1" if $_ ne "ISO-8859-1"; } for CGI::charset();
172 CGI::charset("utf-8");
174 do { $W->{$_}=0 if !defined $W->{$_}; } for ("detect_ent");
175 do { $W->{$_}=0 if !defined $W->{$_}; } for ("detect_js");
176 do { $W->{$_}=1 if !defined $W->{$_}; } for ("have_css"); # AFAIK it does not hurt anyone.
177 do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer");
178 do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer_delimit");
179 do { $W->{$_}=1 if !defined $W->{$_}; } for ("footer_ids");
180 do { $W->{$_}=1 if !defined $W->{$_}; } for ("indexme");
181 do { $W->{$_}="" if !defined $W->{$_}; } for ("head");
182 do { $W->{$_}="" if !defined $W->{$_}; } for ("body_attr");
183 do { $W->{$_}="en-US" if !defined $W->{$_}; } for ("language");
186 for (qw(footer_ids)) {
187 $W->{$_}=0 if !$W->{"footer"};
188 $footer_any=1 if $W->{$_};
190 $W->{"footer"}=0 if !$footer_any;
191 $W->{"footer_delimit"}=0 if !$W->{"footer"};
193 $W->{"r"}=Apache2::RequestUtil->request();
195 $W->{"r"}->push_handlers("PerlCleanupHandler"=>\&cleanup);
197 $W->{"web_hostname"}||=$W->{"r"}->hostname();
199 tie *STDOUT,$W->{"r"};
203 $W->{"QUERY_STRING"}=$W->{"r"}->args() || "";
204 if ($W->{"detect_ent"}) {
205 if ($W->{"QUERY_STRING"}=~/[&]amp;have_ent/)
206 { $W->{"have_ent"}=0; }
207 elsif ($W->{"QUERY_STRING"}=~ /[&]have_ent/)
208 { $W->{"have_ent"}=1; }
210 { delete $W->{"have_ent"}; }
211 if (!defined $W->{"have_ent"} && $W->{"r"}->method() eq "GET") {
212 $W->{"head"}.='<meta http-equiv="Refresh" content="0; URL='
213 .escapeHTML("http://".$W->{"web_hostname"}."/".($W->{"r"}->uri()=~m#^/*(.*)$#)[0]
214 ."?".($W->{"QUERY_STRING"} || "detect_ent_glue=1").'&have_ent=detect')
218 $W->{"QUERY_STRING"}=~s/([&])amp;/$1/g;
219 $W->{"r"}->args($W->{"QUERY_STRING"});
220 # Workaround: &CGI::Vars behaves weird if strings passed both as POST data and in: $QUERY_STRING
221 do { $W->{"r"}->args(""); delete $ENV{"QUERY_STRING"}; } if $W->{"r"}->method() eq "POST";
222 # Do not: $W->{"r"}->args()
223 # as it parses only QUERY_STRING (not POST data).
224 $W->{"args"}={ CGI->new($W->{"r"})->Vars() };
225 for my $name (keys(%{$W->{"args"}})) {
226 my @vals=split /\x00/,$W->{"args"}{$name};
228 $W->{"args"}{$name}=[@vals];
231 do { $W->{$_}=$W->{"r"}->headers_in()->{"Accept"} if !defined $W->{$_}; } for ("accept");
232 do { $W->{$_}=$W->{"r"}->headers_in()->{"User-Agent"}||"" if !defined $W->{$_}; } for ("user_agent");
234 $W->{"browser"}=HTTP::BrowserDetect->new($W->{"user_agent"});
236 if (!defined $W->{"have_style"}) {
237 $W->{"have_style"}=(!$W->{"browser"}->netscape() || ($W->{"browser"}->major() && $W->{"browser"}->major()>4) ? 1 : 0);
240 $W->{"have_js"}=($W->{"args"}{"have_js"} ? 1 : 0);
241 if ($W->{"detect_js"} && !$W->{"have_js"}) {
242 $W->{"head"}.='<script type="text/javascript" src="'.path_web('/have_js.pm').'"></script>'."\n";
245 do { _args_check(%$_) if $_; } for ($W->{"args_check"});
247 return bless $W,$class;
250 # Although we have &tie-d *STDOUT we try to not to be dependent on it in My::Web itself.
251 # Do not: Wprint $W->{"heading"},"undef"=>1;
252 # as we would need to undef() it to turn it off and it would get defaulted in such case.
253 # Do not: exists $W->{"heading"}
254 # as we use a lot of 'for $W->{"heading"}' which instantiates it with the value: undef()
259 cluck "undef Wprint" if !defined $text && !$args{"undef"};
260 delete $args{"undef"};
261 cluck join(" ","Invalid arguments:",keys(%args)) if keys(%args);
262 $W->{"r"}->puts($text) if defined $text;
269 # Prevent &CGI::escapeHTML breaking utf-8 strings like: \xC4\x9B eq \x{11B}
270 # Prevent case if we run under mod_perl but still just initializing:
271 request_check() if $ENV{"MOD_PERL"};
272 # Generally we are initialized from &init but we may be used without it without mod_perl
273 # and in such case check the change on all non-first invocations.
275 if (!$ENV{"MOD_PERL"} && $init++) {
276 do { cluck "charset==$_" if $_ ne "utf-8"; } for CGI::charset();
278 CGI::charset("utf-8");
280 return CGI::escapeHTML($text);
284 # tie *FH,ref($W),$W;
290 $self->{"W"}=$W or confess "Missing W";
291 return bless $self,$class;
296 my($self,$scalar,$length,$offset)=@_;
298 Wprint substr($scalar,0,$length);
301 # /home/user/www/webdir
302 sub dir_top_abs_disk()
304 our $dir_top_abs_disk;
305 if (!$dir_top_abs_disk) {
306 my $selfpkg_relpath=__PACKAGE__;
307 $selfpkg_relpath=~s{::}{/}g;
308 $selfpkg_relpath.=".pm";
309 my $selfpkg_abspath=$INC{$selfpkg_relpath} or do {
310 cluck "Unable to find self package $selfpkg_relpath";
313 $selfpkg_abspath=~s{/*\Q$selfpkg_relpath\E$}{} or do {
314 cluck "Unable to strip myself \"$selfpkg_relpath\" from the abspath: $selfpkg_abspath";
317 cluck "INC{myself} is relative?: $selfpkg_abspath" if $selfpkg_abspath!~m{^/};
318 $dir_top_abs_disk=$selfpkg_abspath;
320 return $dir_top_abs_disk;
326 if (!$W->{"unparsed_uri"}) {
328 # as we may be called before &init from: &My::Project::init
329 my $r=Apache2::RequestUtil->request();
330 cluck "Calling ".'&unparsed_uri'." from a static code, going to fail" if !$r;
331 my $uri_string=$r->unparsed_uri() or cluck "Valid 'r' missing unparsed_uri()?";
332 my $uri=URI->new_abs($uri_string,"http://".$W->{"web_hostname"}."/");
333 $W->{"unparsed_uri"}=$uri;
335 return $W->{"unparsed_uri"};
342 # Otherwise we may have been already processed and thus legally relativized.
343 # FIXME data: Currently disabled, all the data are too violating such rule.
345 my $uri_check=URI->new($in);
346 $uri_check->scheme() || $in=~m{^\Q./\E} || $in=~m{^/}
347 or cluck "Use './' or '/' prefix for all the local references: $in";
349 my $uri=URI->new_abs($in,unparsed_uri());
350 $uri=$uri->canonical();
354 # $args{"uri_as_in"}=1 to permit passing URI objects as: $in
360 cluck if !$args{"uri_as_in"} && ref $in;
361 my $uri=in_to_uri_abs($in);
362 if (uri_is_local($uri)) {
363 # Prefer the $uri values over "args_persistent" values.
364 $uri->query_form_hash({
367 my $val=$W->{"args"}{$key};
368 (!defined $val ? () : ($key=>$val));
369 } keys(%{$W->{"args_persistent"}})),
370 %{$uri->query_form_hash()},
373 return $uri->abs(unparsed_uri()) if $W->{"args"}{"Wabs"} || $args{"abs"};
374 return $uri->rel(unparsed_uri());
377 # $args{"uri_as_in"}=1 to permit passing URI objects as: $in
378 sub path_abs_disk($%)
382 cluck if !$args{"uri_as_in"} && ref $in;
383 my $uri=in_to_uri_abs($in);
384 cluck if !uri_is_local($uri);
385 my $path=$uri->path();
386 cluck "URI compatibility: ->path() not w/leading slash of URI \"$uri\"; path: $path" if $path!~m{^/};
387 return dir_top_abs_disk().$path;
396 while (my($name,$regex)=each(%tmpl)) {
397 my $name_html="Parameter <span class=\"quote\">".escapeHTML($name)."</span>";
398 $W->{"args"}{$name}="" if !defined $W->{"args"}{$name};
399 $W->{"args"}{$name}=[ $W->{"args"}{$name} ] if !ref $W->{"args"}{$name} && ref $regex;
400 fatal "$name_html passed as multivar although singlevar expected"
401 if ref $W->{"args"}{$name} && !ref $regex;
402 $regex=$regex->[0] if ref $regex;
403 for my $val (!ref $W->{"args"}{$name} ? $W->{"args"}{$name} : @{$W->{"args"}{$name}}) {
404 $val="" if !defined $val;
405 fatal "$name_html <span class=\"quote\">".escapeHTML($val)."</span>"
406 ." does not match the required regex <span class=\"quote\">".escapeHTML($regex)."</span> "
407 if $regex ne "" && $val!~/$regex/;
416 return '<p'.(!defined $height ? "" : ' style="height: '.$height.';"').'> </p>'."\n";
423 $msg="UNKNOWN" if !$msg;
426 # Do not send it unconditionally.
427 # The intial duplicated '<?xml...' crashes Gecko parser.
428 $W->{"heading_done"}=0 if $W->{"header_only"};
429 # Do not send it unconditionally.
430 # Prevents warn: Headers already sent
431 if (!$W->{"heading_done"}) {
432 $W->{"indexme"}=0; # For the case no heading was sent yet.
433 $W->{"header_only"}=0; # assurance for &heading
436 Wprint "\n".vskip("3ex")."<hr /><h1 class=\"error\">FATAL ERROR: $msg!</h1>\n"
437 ."<p>You can report this problem's details to"
438 ." ".a_href("mailto:".$W->{"admin_mail"},"admin of this website").".</p>\n";
444 exit 1 if $W->{"footer_passed"}++; # deadlock prevention:
446 Wprint vskip if $W->{"footer_delimit"};
448 do { Wprint $_ if $_; } for $W->{"footing_delimit"};
450 Wprint "<hr />\n" if $W->{"footer"};
452 my $packages_used=$packages_used_array{$W->{"__PACKAGE__"}};
454 if ($W->{"footer_ids"}) {
455 Wprint '<p class="cvs-id">';
456 Wprint join("<br />\n",map({ my $package=$_;
457 my $cvs_id=(eval('$'.$package."::CVS_ID")
458 # || $package # debug
464 $cvs_id='$'.$cvs_id.'$'; # Eaten by 'q' operator.
465 my @cvs_id_split=split / +/,$cvs_id;
466 if (@cvs_id_split==8) {
473 my $path_abs_disk=path_abs_disk("/$file$ext");
474 push @tried,$path_abs_disk;
475 last if -r $path_abs_disk;
476 cluck "Class file $file not found; tried: ".join(" ",@tried) if !$ext;
480 .a_href((map({ my $s=$_; $s=~s#/viewcvs/#$&~checkout~/#; $s; } $W->{"viewcvs"}))[0]."$file?rev=".$cvs_id_split[2],
482 $cvs_id_split[1]=a_href($W->{"viewcvs"}.$file,
483 ($package!~/^Apache2::/ ? $package : $cvs_id_split[1]));
484 $cvs_id_split[5]=&{$W->{"cvs_id_author_sub"}}($cvs_id_split[5]);
486 join " ",@cvs_id_split;
492 for my $package (@$packages_used) {
493 my $cvs_id=(eval('$'.$package."::CVS_ID")
494 # || $package # debug
496 Wprint '<!-- '.$package.' - $'.$cvs_id.'$ -->'."\n" if $cvs_id;
499 do { Wprint $_ if $_; } for $W->{"footing"};
501 Wprint "</body></html>\n";
509 while (my($key,$val)=each(%pairs)) {
510 do { cluck "Headers already sent"; next; } if $W->{"heading_done"};
511 for ($W->{"headers_lc"}{lc $key} || ()) {
512 delete $W->{"headers"}{$_};
514 $W->{"headers_lc"}{lc $key}=$key;
515 $W->{"headers"}{$key}=$val;
525 elsif ($size<1024*1024)
526 { $size=sprintf "%.1fK",$size/1024; }
528 { $size=sprintf "%.1fM",$size/1024/1024; }
537 my $uri_rel=in_to_uri_abs($in)->rel(unparsed_uri());
538 # Do not: defined $uri_rel->("userinfo"|"host"|"port")();
539 # as they fail to be called for schemes not supporting them.
540 return 0 if $uri_rel->scheme();
541 return 0 if $uri_rel->authority();
545 # &path_web still may be required for &uri_escaped !
551 my $urient=escapeHTML($uri);
552 return $uri if $uri eq $urient;
554 return $urient if uri_is_local $uri;
555 return $uri if defined $W->{"have_ent"} && !$W->{"have_ent"}; # non-ent client
556 return $urient if $W->{"have_ent"}; # ent client
557 # Unknown client, &escapeHTML should not be needed here:
558 return escapeHTML(path_web('/Redirect.pm?location='.uri_escape($uri->abs(unparsed_uri()))));
561 our $a_href_inhibited;
564 my($in,$contents,%args)=@_;
567 do { $$_=1 if !defined $$_; } for (\$args{"size"});
568 if (!defined $contents) {
570 $contents=File::Basename::basename($contents) if $args{"basename"};
571 $contents=escapeHTML($contents);
573 $contents=~s#<a\b[^>]*>##gi;
574 $contents=~s#</a>##gi;
575 return $contents if $a_href_inhibited;
577 my $path_web=path_web $in,%args;
580 $r.=uri_escaped $path_web;
582 do { $r.=" $_" if $_; } for ($args{"attr"});
583 $r.='>'.$contents.'</a>';
584 if ($args{"size"} && uri_is_local($in) && ($args{"size"}>=2 || $in=~/[.](?:gz|Z|rpm|zip|deb|lha)/)) { # Downloadable?
585 my $path_abs_disk=path_abs_disk $in,%args;
586 cluck "File not readable: $path_abs_disk" if !-r $path_abs_disk;
587 $r.=' ('.size_display((stat($path_abs_disk))[7]).')';
592 sub a_href_inhibit($$;@)
594 my($self,$sub,@sub_args)=@_;
596 local $a_href_inhibited=1;
597 return &{$sub}(@sub_args);
600 sub input_hidden_persistents()
605 my $val=$W->{"args"}{$key};
606 (!defined $val ? () : '<input type="hidden"'
607 .' name="'.escapeHTML($key).'"'
608 .' value="'.escapeHTML($val).'"'
610 } (keys(%{$W->{"args_persistent"}}))));
615 my($self,$url,$status)=@_;
617 $url=path_web($url,"abs"=>1);
618 $status||=HTTP_MOVED_TEMPORARILY;
619 $W->{"r"}->status($status);
620 $W->{"r"}->headers_out()->{"Location"}=$url;
621 $W->{"header_only"}=1;
629 # Do not: PerlModule Apache2::ForwardedFor
630 # PerlPostReadRequestHandler Apache2::ForwardedFor
631 # As 'Apache2::ForwardedFor' takes the first of $ENV{"HTTP_X_FORWARDED_FOR"}
632 # while the contents is '127.0.0.1, 213.220.195.171' if client has its own proxy.
633 # We must take the last item ourselves.
634 my $r=$W->{"r"}->headers_in()->{"X-Forwarded-For"} || $W->{"r"}->get_remote_host();
641 return 0 if !$have_Geo_IP;
642 return "CZ" eq Geo::IP->new()->country_code_by_addr(remote_ip());
647 my($url,$contents,%args)=@_;
649 return a_href $url,$contents,%args if is_cz();
657 # FIXME: &alarm, --timeout is now infinite.
658 # FIXME: Try to remove bash(1).
659 # FIXME: Use: @PATH_FLOCK@
660 my @argv=('flock',dir_top_abs_disk(),'bash','-c',$cmd.' >&2');
661 print STDERR join(" ","SPAWN:",@argv)."\n";
669 cluck "Pathname not absolute: $file" if $file!~m{^/};
671 # TODO: Somehow quickly check dependencies?
672 return make('make -s --no-print-directory'
673 .' -C '."'".File::Basename::dirname($file)."' '".File::Basename::basename($file)."'");
678 my($width,$height)=@_;
680 cluck if !defined $width || !defined $height;
681 return ($W->{"have_style"} ? "style=\"border:0;width:${width}px;height:${height}px\"" : "border=\"0\"")
682 ." width=\"$width\" height=\"$height\"";
685 sub negotiate_variant (%)
689 my @fields=("id","qs","content-type","encoding","charset","lang","size");
690 return [ map(($args{$_}),@fields) ];
693 # Input: $self is required!
694 # Input: Put the fallback variant as the first one.
695 # Returns: always only scalar!
696 sub Negotiate_choose($$)
698 my($self,$variants)=@_;
700 my $best=HTTP::Negotiate::choose($variants,
702 # to prevent: Can't locate object method "scan" via package "Apache2::RequestRec" at HTTP/Negotiate.pm line 84.
703 # Do not: $W->{"r"}->headers_in()
704 # to prevent: Can't locate object method "scan" via package "APR::Table" at HTTP/Negotiate.pm line 84.
705 # Do not: HTTP::Headers->new($W->{"r"}->headers_in());
706 # to prevent empty result or even: Odd number of elements in anonymous hash
707 HTTP::Headers->new(%{$W->{"r"}->headers_in()}));
708 $best||=$variants->[0][0]; # $variants->[0]{"id"}; &HTTP::Negotiate::choose failed?
713 { "id"=>"png","qs"=>0.9,"content-type"=>"image/png" },
714 { "id"=>"gif","qs"=>0.7,"content-type"=>"image/gif" },
716 my $img_variants_re='[.](?:'.join('|',"jpeg",map(($_->{"id"}),@img_variants)).')$';
718 # Returns: ($path_web,$path_abs_disk)
719 # URI path segments support ignored here. Where it is used? (';' path segment options)
724 cluck if !uri_is_local $in;
725 my $uri=in_to_uri_abs $in;
726 my $path_abs_disk=path_abs_disk $uri,%args,"uri_as_in"=>1;
728 # Known image extension?
729 return path_web($uri,%args,"uri_as_in"=>1),$path_abs_disk if $uri->path()=~m#$img_variants_re#o;
732 for my $var (@img_variants) {
733 my $path_abs_disk_variant=$path_abs_disk.".".$var->{"id"};
734 __PACKAGE__->make_file($path_abs_disk_variant);
735 push @nego_variants,negotiate_variant(
737 "size"=>(stat $path_abs_disk_variant)[7],
740 my $ext=__PACKAGE__->Negotiate_choose(\@nego_variants);
742 $uri->path($uri->path().".$ext");
743 return path_web($uri,%args,"uri_as_in"=>1),path_abs_disk($uri,%args,"uri_as_in"=>1);
749 my($in,$alt,%args)=@_;
752 my($path_web,$path_abs_disk)=_img_src($in,%args);
753 my($width,$height)=Image::Size::imgsize($path_abs_disk);
755 $alt=escapeHTML($alt);
756 my $content="<img src=\"".uri_escaped($path_web)."\" alt=\"$alt\" title=\"$alt\" ".img_size($width,$height)
757 .(!$args{"attr"} ? "" : " ".$args{"attr"})." />";
758 do { return a_href((_img_src($_))[0],$content,"uri_as_in"=>1) if $_; } for $args{"a_href_img"};
759 do { return a_href $_,$content if $_; } for $args{"a_href"};
766 $r.='<table border="0" width="100%"><tr>'."\n";
767 @_=( [@_] ) if !ref $_[0];
769 $r.="\t".'<td align="center">'.&{\&img}(@$_).'</td>'."\n";
771 $r.='</tr></table>'."\n";
777 my($text,@args_img)=@_;
779 # FIXME: Workaround bug of 'Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)':
780 # <col width="@{[ (!$W->{"browser"}->ie() ? "1*" : "90%" ) ]}" />
781 # <col width="@{[ (!$W->{"browser"}->ie() ? "0*" : "10%" ) ]}" />
782 # causes whole invisible projects in: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.10) Gecko/20050719 Galeon/1.3.21
784 <table border="0" width="100%">
790 @{[ &{\&img}(@args_img) ]}
799 my($class,$filename)=@_;
802 open F,$filename or cluck "Cannot open \"$filename\": $!";
803 my $F=do { local $/=undef(); <F>; };
804 close F or cluck "Cannot close \"$filename\": $!";
812 header("Expires"=>"Mon, 26 Jul 1997 05:00:00 GMT"); # date in the past
813 header("Last-Modified"=>strftime("%a, %d %b %Y %H:%M:%S GMT",gmtime())); # always modified
814 header("Cache-Control"=>"no-cache, must-revalidate"); # HTTP/1.1
815 header("Pragma"=>"no-cache"); # HTTP/1.0
822 # $ENV{"CLIENT_CHARSET"} ignored (mod_czech support dropped!)
823 my $client_charset=$W->{"force_charset"} || "us-ascii";
824 header("Content-Style-Type"=>"text/css");
825 header("Content-Script-Type"=>"text/javascript");
826 do { header("Content-Language"=>$_) if $_; } for $W->{"language"};
827 $class->no_cache() if $W->{"no_cache"};
829 while (my($key,$val)=each(%{$W->{"headers"}})) {
830 $W->{"r"}->headers_out()->{$key}=$val;
832 exit if $W->{"r"}->header_only();
833 return if $W->{"header_only"};
834 # We still can append headers before we put out some text.
835 # FIXME: It is not clean to still append them without overwriting.
836 return if $W->{"heading_done"}++;
839 # https://bugzilla.mozilla.org/show_bug.cgi?id=120556
841 # Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b) Gecko/20050217
843 # http://validator.w3.org/ does not send ANY "Accept" headers!
844 $mime||="application/xhtml+xml" if !$W->{"accept"} && $W->{"user_agent"}=~m{^W3C_Validator/}i;
845 $mime||=$class->Negotiate_choose([
846 # Put the fallback variant as the first one.
847 # Rate both variants the same to prefer "text/html" for undecided clients.
849 # Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8b) Gecko/20050217
850 # prefers "application/xhtml+xml" over "text/html" itself:
851 # text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5
854 "content-type"=>"text/html",
856 "charset"=>$client_charset,
857 "lang"=>$W->{"language"},
860 "id"=>"application/xhtml+xml",
861 "content-type"=>"application/xhtml+xml",
863 "charset"=>$client_charset,
864 "lang"=>$W->{"language"},
869 $W->{"r"}->content_type("$mime; charset=$client_charset");
870 Wprint '<?xml version="1.0" encoding="'.$client_charset.'"?>'."\n" if $mime=~m{^application/\w+[+]xml$};
871 return if $W->{"xml_header_only"};
872 Wprint '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'."\n";
873 Wprint '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'.$W->{"language"}.'">'."\n";
874 my $title=$W->{"title_prefix"}.join("",map({ ': '.$_; } ($W->{"title"} || ())));
875 # Do not: cluck if $title=~/[<>]/;
876 # as it is not solved just by: &a_href_inhibit
877 # as sometimes titles use also: <i>...</i>
878 $title=~s#<[^>]*>##g;
880 Wprint "<title>$title</title>\n";
881 if ($W->{"have_css"}) {
882 # Everything can get overriden later.
883 for my $css ("/My/Web.css",map((!$_ ? () : ("ARRAY" ne ref($_) ? $_ : @$_)),$W->{"css_push"})) {
885 <link rel="stylesheet" type="text/css" href="@{[ uri_escaped(path_web $css) ]}" />
889 Wprint '<meta name="robots" content="'.($W->{"indexme"} ? "" : "no" ).'index,follow" />'."\n";
891 for my $type (qw(prev next index contents start up)) {
892 do { Wprint '<link rel="'.$type.'" href="'.uri_escaped(path_web $_).'" />'."\n" if $_; }
893 for ($W->{"rel_$type"});
895 Wprint "</head><body";
896 # Wprint ' bgcolor="black" text="white" link="aqua" vlink="teal"'
897 # if $W->{"browser"}->netscape() && (!$W->{"browser"}->major() || $W->{"browser"}->major()<=4);
898 Wprint $W->{"body_attr"};
901 do { Wprint $_ if $_; } for $W->{"heading"};
905 delete $W->{"__My::Web_init"};