project/Lib.pm

   1 # $Id$
   2 # Common functions for HTML/XHTML output generation
   3 # Copyright (C) 2003 Jan Kratochvil <project-www.jankratochvil.net@jankratochvil.net>
   4 #
   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
   8 #
   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.
  13 #
  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
  17
  18
  19 package project::Lib;
  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; };
  22 our $CVS_ID=q$Id$;
  23 use strict;
  24 use warnings;
  25
  26 use My::Web;
  27 use Carp qw(cluck confess);
  28
  29 use Exporter;
  30 our @EXPORT=qw();
  31 our @ISA=qw(My::Web Exporter);
  32
  33
  34 sub LIST_FILENAME()
  35 {
  36         # Do not: path_abs_disk("/project/SUBDIRS");
  37         # as we would need $W->{"r"} for the possibly relative path resolving.
  38         return My::Web::dir_top_abs_disk()."/project/SUBDIRS";
  39 }
  40
  41
  42 sub print_project
  43 {
  44 my($class,$ListItem)=@_;
  45
  46         print "<h1>".$class->title($ListItem)."</h1>\n";
  47         do { print $_ if $_; } for ($W->{"project_text_after_title"});
  48         print $ListItem->{"description"};
  49         print "<hr />\n";
  50         print($W->{"before_project_data"}||"");
  51         return if $W->{"no_project_data"};
  52         my @table=(
  53                 {"key"=>"summary","text"=>"Summary"},
  54                 {"key"=>"license","text"=>"License","format"=>sub ($) {
  55                                 my %known=(
  56                                                 "PD"=>"Public Domain",
  57                                                 "GPL"=>a_href("http://www.gnu.org/licenses/gpl.html","GNU General Public License"),
  58                                                 "LGPL"=>a_href("http://www.gnu.org/licenses/lgpl.html","GNU Lesser General Public License"),
  59                                                 "com"=>"Commercial"
  60                                                 );
  61                                 return $known{$_[0]};
  62                                 }},
  63                 {"key"=>"maintenance","text"=>"State","format"=>sub ($) {
  64                                 my %known=(
  65                                                 "active"=>"Ready to use. Project is now actively developed.",
  66                                                 "ready"=>"Ready to use. Maintained.",
  67                                                 "dead"=>"Dead code, no longer supported.",
  68                                                 "merge"=>"Functions belong to existing other project.",
  69                                                 "obsolete"=>"Obsoleted.",
  70                                                 "update"=>"Package needs updating to recent software.",
  71                                                 "accepted"=>"This patch got already integrated by the original package maintainer.",
  72                                                 "pending"=>"Patch is ready to be applied to the mainstream.",
  73                                                 "ignored"=>"Patch was ignored. It is not applied in the mainstream.",
  74                                                 ""=>"",
  75                                                 );
  76                                 my @r;
  77                                 for ($known{($_[0]=~/^([^-]*)-?/)[0] || ""}) {
  78                                         push @r,$_ if $_;
  79                                         push @r," $'" if $';
  80                                         }
  81                                 return join(" ",@r);
  82                                 }},
  83                 {"key"=>"aminet","text"=>a_href('http://www.aminet.net/','Aminet'),"format"=>sub ($) {
  84                                 return join(" ",
  85                                                 a_href('http://www.aminet.net/'.$_[0].".lha",$_[0].".lha"),
  86                                                 "(".a_href('http://www.aminet.net/'.$_[0].".readme","readme").")");
  87                                 }},
  88                 {"key"=>qr(^download\b),"text"=>sub ($) {
  89                                                 $_[0]=~s/^download//;
  90                                                 $_[0]=~s/^-/ /;
  91                                                 return "Download".$_[0];
  92                                                 },
  93                                 "format"=>sub ($) {
  94                                                 return a_href($_[0],escapeHTML(File::Basename::basename($_[0])),"size"=>2);
  95                                                 }},
  96                 {"key"=>qr(^link\b),"text"=>sub ($) {
  97                                                 $_[0]=~s/^link-//;
  98                                                 return $_[0];
  99                                                 },
 100                                 "format"=>sub ($) {
 101                                                 return($_[0]=~/^<a\b/ ? $_[0] : a_href($_[0],escapeHTML($_[0])));
 102                                                 }},
 103                 {"key"=>qr(^cvs\b),"text"=>sub ($) {
 104                                                 $_[0]=~s/^cvs//;
 105                                                 $_[0]=~s/^-/ /;
 106                                                 return "CVS".$_[0];
 107                                                 },
 108                                 "format"=>sub ($$) {
 109                                                 my($val,$key)=@_;
 110                                                 $key=~s/^cvs//;
 111                                                 $key=~s/^-/ /;
 112                                                 my $branch="";
 113                                                 $branch=$1 if $val=~s/:(.*)//;
 114                                                 return join("<br />\n\t\t",
 115                                                                 escapeHTML("cvs -d ".$W->{"pserver"}.":".$W->{"pserver_path"}." -z3"
 116                                                                                 ." checkout".(!$branch ? "" : " -r $branch -kk")
 117                                                                                 .($val!~m#/# ? "" : " -d ".File::Basename::basename($val))
 118                                                                                 ." $val"),
 119                                                                 join(" | \n\t\t",
 120                                                                                 map({ a_href($_->[1],$_->[0]); }
 121                                                                                                 ["ViewCVS CVS repository",$W->{"project_viewcvs"}.$val."/".(!$branch ? "" : '?only_with_tag='.$branch)],
 122                                                                                                 ["Download CVS snapshot" ,
 123                                                                                                                 $W->{"project_viewcvs"}.$val."/".File::Basename::basename($val).".tar.gz?tarball=1"
 124                                                                                                                                 .(!$branch ? "" : '&only_with_tag='.$branch)],
 125                                                                                                 ["CVS ChangeLog"         ,"/project/ChangeLog.pm?cvs=$val"])));
 126                                                 }},
 127                 {"key"=>"ownership","text"=>"Ownership"},
 128                 {"key"=>"sponsorship","text"=>"Sponsorship"},
 129                 {"key"=>"language","text"=>"Programming language","format"=>sub ($) {
 130                                 return a_href("http://java.sun.com/",escapeHTML($_[0]))
 131                                                 if $_[0]=~/^Java\b/;
 132                                 return a_href("http://www.php.net/",escapeHTML($_[0]))
 133                                                 if $_[0]=~/^PHP\b/;
 134                                 return undef();
 135                                 }},
 136                 );
 137
 138 sub tableit_func
 139 {
 140 my($tableit,$val,$key,$ListItem)=@_;
 141
 142         my $r="";
 143         $r.="<tr>";
 144                 if ($tableit->{"text"}) {
 145                         $r.="<td>";
 146                                 $r.=(!ref $_ ? $_ : &{$_}($key)) for ($tableit->{"text"});
 147                         $r.="</td>";
 148                         }
 149                 if ($tableit->{"format"}) {
 150                         do { $val=$_ if defined $_; } for (&{$tableit->{"format"}}($val,$key));
 151                         }
 152                 return join("",map("<tr><td>".$_->[0]."</td><td>".$_->[1]."</td></tr>\n",@$val))
 153                                 if ref $val;
 154                 $r.="<td>$val</td>";
 155         $r.="</tr>\n";
 156 }
 157
 158         my %used_key;
 159         print '<table border="0" class="print_project">'."\n";
 160                 for my $tableit (@table) {
 161                         if (!ref $tableit->{"key"}) {
 162                                 print tableit_func($tableit,$ListItem->{$tableit->{"key"}},$tableit->{"key"},$ListItem)
 163                                                 if $ListItem->{$tableit->{"key"}} && !$used_key{$tableit->{"key"}}++;
 164                                 }
 165                         else {
 166                                 for my $key (@{$ListItem->{"keys_array"}}) {
 167                                         my $keyregex=$tableit->{"key"};
 168                                         next if $key!~/$keyregex/;
 169                                         print tableit_func($tableit,$ListItem->{$key},$key,$ListItem);
 170                                         }
 171                                 }
 172                         }
 173         print "</table>\n";
 174         print vskip;
 175 }
 176
 177 sub hashlikearray_get_keys(@)
 178 {
 179 my(@hashlikearray)=@_;
 180
 181         my @r;
 182         while (@hashlikearray) {
 183                 push @r,shift @hashlikearray;   # key
 184                 shift @hashlikearray;   # val
 185                 }
 186         return @r;
 187 }
 188
 189 sub project_arrayref_to_hashref($$)
 190 {
 191 my($self,$arrayref)=@_;
 192
 193         Wrequire 'My::Hash';
 194         return My::Hash->new({
 195                 @$arrayref,
 196                 "keys_array"=>[ hashlikearray_get_keys(@$arrayref) ],
 197                 },"My::Hash::Sub","My::Hash::Readonly");
 198 }
 199
 200 sub title ($$)
 201 {
 202 my($class,$hashref)=@_;
 203
 204         cluck if !$hashref->{"name"} || !$hashref->{"summary"};
 205         return $hashref->{"name"}.": ".$hashref->{"summary"},
 206 }
 207
 208 # Returns: hashref if !wantarray(), list if wantarray().
 209 sub list($)
 210 {
 211 my($self)=@_;
 212
 213         # This cache is "headers_in" hits safe - only local files reading.
 214         our %list_cache;
 215         our @list_cache;
 216         if (!@list_cache) {
 217                 My::Web->make_file(LIST_FILENAME());
 218                 local *F;
 219                 open F,LIST_FILENAME() or do {
 220                         cluck "Error opening \"".LIST_FILENAME()."\": $!";
 221                         return;
 222                         };
 223                 my @r=split(" ",do { undef $/; <F>; });
 224                 close F or cluck "Error closing \"".LIST_FILENAME()."\": $!";
 225                 cluck "No projects found?" if !@r;
 226                 @list_cache=@r;
 227                 %list_cache=map(($_=>1),@list_cache);
 228                 }
 229         return \%list_cache if !wantarray();
 230         return @list_cache;
 231 }
 232
 233 # Returns: hashlist of hashrefs if !$name.
 234 sub name_to_hashref($;$)
 235 {
 236 my($class,$name)=@_;
 237
 238         cluck if !wantarray() && !$name;
 239         # Do not cache the result to get all the items &Wrequire-mapped.
 240         return map(($_=>$class->name_to_hashref($_)),$class->list()) if !$name;
 241         cluck join(" ","Project name \"$name\" not listed in 'list_cache':",$class->list())
 242                         if !$class->list()->{$name};
 243         # Never cache anything to be stable for "headers_in" hits.
 244         Wrequire "project::${name}::Index";
 245         my $arrayref=eval('\@project::'.$name.'::Index::ListItem');
 246         do { warn "Broken project/$name/Index.pm"; return undef(); } if !@$arrayref;
 247         return $class->project_arrayref_to_hashref($arrayref);
 248 }
 249
 250 # $args{"ListItem"}=\%...;
 251 sub init($%)
 252 {
 253 my($class,%args)=@_;
 254
 255         $args{"__PACKAGE__"}||=caller();
 256         $args{"project_name"}||=($args{"__PACKAGE__"}=~/^project::(\w+)::Index$/)[0]
 257                         or cluck "Error finding project name of the package: ".$args{"__PACKAGE__"};
 258         my $ListItem=$class->name_to_hashref($args{"project_name"});
 259         my $W=$class->SUPER::init(
 260                         "title"=>My::Web->a_href_inhibit(sub { return $class->title($ListItem); }),
 261                         map(("rel_$_"=>'/project/Rel.pm?rel='.$_.'&project='.$args{"project_name"}),qw(prev next)),
 262                         "rel_up"=>'/project/',
 263 #                       "rel_start"=>"/",       # TODO:homepage
 264                         "css_push"=>"/project/Lib.css",
 265                         %args,
 266                         "heading_novskip"=>1,
 267                         );
 268         $class->heading();
 269         print $class->platforms($ListItem->{"platform"});
 270         $class->print_project($ListItem,%args);
 271         return $W;
 272 }
 273
 274 our @platforms=(
 275                 "unixuser"=>"UNIX",
 276                 "unixdevel"=>"UNIX-devel",
 277                 "web"=>"Web",
 278                 "amiga"=>"Amiga",
 279                 "w32"=>"MS-Windows",
 280                 "dos"=>"MS-DOS",
 281                 "patch"=>"Patches",
 282                 );
 283
 284 sub views ($$)
 285 {
 286 my($class,$view_selected)=@_;
 287
 288         my $view=sub ($$)
 289                 {
 290                 my($current,$href,$content)=@_;
 291
 292                         return a_href($href,$content) if $current ne $view_selected;
 293                         return "<b>".$content."</b> (current)";
 294                 };
 295
 296         return <<"HERE";
 297 <h1>Project List of @{[ a_href 'http://www.jankratochvil.net/','Jan Kratochvil' ]}</h1>
 298
 299 <ul>
 300         <li>@{[ &{$view}('Detailed'     ,'/project/','Detailed project listing per platform') ]}</li>
 301         <li>@{[ &{$view}('BriefPlatform','/project/List.pm?platform=platform',
 302                         'Brief project listing per platform') ]}</li>
 303         <li>@{[ &{$view}('BriefUnified' ,'/project/List.pm',
 304                         'Unified brief project listing') ]}</li>
 305 </ul>
 306 @{[ vskip "1ex" ]}
 307 HERE
 308 }
 309
 310 sub platforms ($;$%)
 311 {
 312 my($class,$platform_selected,%args)=@_;
 313
 314         my $r="";
 315         $r.='<table border="0" class="margin-center"><tr>'."\n";
 316                 $r.='<td>';
 317                         $r.='<table border="1" style="border-collapse: collapse; border-style: solid; border-width: 1px;">'."\n";
 318                                 $r.='<tr>'."\n";
 319                                         $r.='<td style="padding: 5px; font-weight: bold;">'."\n";
 320                                                 $r.='Projects';
 321                                         $r.='</td>'."\n";
 322                                 $r.='</tr>'."\n";
 323                         $r.='</table>';
 324                 $r.='</td>';
 325                 $r.='<td>';
 326                         $r.='<table border="1" style="border-collapse: collapse; border-style: solid;">'."\n";
 327                                 $r.='<tr>'."\n";
 328                                         my @platforms=@platforms;
 329                                         while (@platforms) {
 330                                                 my $platform_sym =shift @platforms;
 331                                                 my $platform_name=shift @platforms;
 332                                                 my $chosen=($platform_selected && $platform_selected eq $platform_sym);
 333                                                 $r.='<td style="padding: 5px;">';
 334                                                         $r.=a_href((!$platform_selected ? "" : "/project/").'#'.$platform_sym,$platform_name,
 335                                                                         "attr"=>($chosen
 336                                                                                         ? 'style="text-decoration: underline; font-weight: bold;"'
 337                                                                                         : 'style="text-decoration: inherit; /* revoke underline */"'));
 338                                                 $r.="</td>\n";
 339                                                 }
 340                                 $r.='</tr>'."\n";
 341                         $r.='</table>'."\n";
 342                 $r.='</td>'."\n";
 343         $r.='</tr></table>'."\n";
 344         if (!$args{"novskip"}) {
 345                 $r.="<hr />\n";
 346                 $r.=My::Web::vskip "6ex";
 347                 }
 348         return $r;
 349 }
 350
 351 sub section ($$)
 352 {
 353 my($class,$name)=@_;
 354
 355         my $item=$class->name_to_hashref($name);
 356         my $title=$class->title($item);
 357         my $r="";
 358
 359         print $class->platforms($item->{"platform"},"novskip"=>1);
 360
 361         $r.='<table border="1" style="border-collapse: collapse; border-style: solid;" class="margin-center">'."\n";
 362                 $r.='<tr><td style="font-size: larger;">'."\n";
 363                         $r.=a_href "/project/$name/",$title;
 364                 $r.='</td></tr>'."\n";
 365         $r.='</table>'."\n";
 366         $r.=vskip "1ex";
 367         return $r;
 368 }
 369
 370 1;