classes/Page.php

   1 <?php
   2 /***************************************************************************
   3  *  Copyright (C) 2003-2006 Polytechnique.org                              *
   4  *  http://opensource.polytechnique.org/                                   *
   5  *                                                                         *
   6  *  This program is free software; you can redistribute it and/or modify   *
   7  *  it under the terms of the GNU General Public License as published by   *
   8  *  the Free Software Foundation; either version 2 of the License, or      *
   9  *  (at your option) any later version.                                    *
  10  *                                                                         *
  11  *  This program is distributed in the hope that it will be useful,        *
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of         *
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
  14  *  GNU General Public License for more details.                           *
  15  *                                                                         *
  16  *  You should have received a copy of the GNU General Public License      *
  17  *  along with this program; if not, write to the Free Software            *
  18  *  Foundation, Inc.,                                                      *
  19  *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                *
  20  ***************************************************************************/
  21
  22 require_once 'smarty/libs/Smarty.class.php';
  23
  24 class PlatalPage extends Smarty
  25 {
  26     var $_page_type;
  27     var $_tpl;
  28     var $_errors;
  29     var $_failure;
  30
  31     // defaults
  32     var $caching          = false;
  33     var $config_overwrite = false;
  34     var $use_sub_dirs     = false;
  35
  36     // {{{ function PlatalPage()
  37
  38     function PlatalPage($tpl, $type = SKINNED)
  39     {
  40         global $globals;
  41
  42         $this->Smarty();
  43
  44         $this->template_dir  = $globals->spoolroot."/templates/";
  45         $this->compile_dir   = $globals->spoolroot."/spool/templates_c/";
  46         array_unshift($this->plugins_dir, $globals->spoolroot."/plugins/");
  47         $this->config_dir    = $globals->spoolroot."/configs/";
  48
  49         $this->compile_check = !empty($globals->debug);
  50
  51         $this->_page_type = $type;
  52         $this->_tpl       = $tpl;
  53         $this->_errors    = array();
  54         $this->_failure   = false;
  55
  56         $this->register_prefilter('at_to_globals');
  57         $this->register_prefilter('trimwhitespace');
  58         $this->addJsLink('xorg.js');
  59     }
  60
  61     // }}}
  62     // {{{ function changeTpl()
  63
  64     function changeTpl($tpl, $type = SKINNED)
  65     {
  66         $this->_tpl       = $tpl;
  67         $this->_page_type = $type;
  68         $this->assign('xorg_tpl', $tpl);
  69     }
  70
  71     // }}}
  72     // {{{ function _run()
  73
  74     function _run($skin)
  75     {
  76         global $globals, $TIME_BEGIN;
  77
  78         session_write_close();
  79
  80         $this->assign("xorg_errors", $this->_errors);
  81         $this->assign("xorg_failure", $this->_failure);
  82
  83         switch ($this->_page_type) {
  84           case NO_SKIN:
  85             $this->display($this->_tpl);
  86             exit;
  87
  88           case SIMPLE:
  89             $this->assign('simple', true);
  90           case SKINNED:
  91             $this->register_modifier('escape_html', 'escape_html');
  92             $this->default_modifiers = Array('@escape_html');
  93         }
  94
  95         if (!$globals->debug) {
  96             $this->display($skin);
  97             exit;
  98         }
  99
 100         if ($globals->debug & 1) {
 101             $this->assign('db_trace', XDB::trace_format($this, 'database-debug.tpl'));
 102         }
 103
 104         $this->assign('validate', true);
 105         $result = $this->fetch($skin);
 106         $ttime .= sprintf('Temps total: %.02fs<br />', microtime_float() - $TIME_BEGIN);
 107         $replc  = "<span class='erreur'>VALIDATION HTML INACTIVE</span><br />";
 108
 109         if ($globals->debug & 2) {
 110
 111             $fd = fopen($this->compile_dir."/valid.html","w");
 112             fwrite($fd, $result);
 113             fclose($fd);
 114
 115             exec($globals->spoolroot."/bin/devel/xhtml.validate.pl ".$this->compile_dir."/valid.html", $val);
 116             foreach ($val as $h) {
 117                 if (preg_match("/^X-W3C-Validator-Errors: (\d+)$/", $h, $m)) {
 118                     $replc = '<span style="color: #080;">HTML OK</span><br />';
 119                     if ($m[1]) {
 120                         $replc = "<span class='erreur'><a href='http://validator.w3.org/check?uri={$globals->baseurl}"
 121                             ."/valid.html&amp;ss=1#result'>{$m[1]} ERREUR(S) !!!</a></span><br />";
 122                     }
 123                     break;
 124                 }
 125             }
 126         }
 127
 128         echo str_replace("@HOOK@", $ttime.$replc, $result);
 129         exit;
 130     }
 131
 132     // }}}
 133     // {{{ function nb_errs()
 134
 135     function nb_errs()
 136     {
 137         return count($this->_errors);
 138     }
 139
 140     // }}}
 141     // {{{ function trig()
 142
 143     function trig($msg)
 144     {
 145         $this->_errors[] = $msg;
 146     }
 147
 148     // }}}
 149     // {{{ function kill()
 150
 151     function kill($msg)
 152     {
 153         $this->trig($msg);
 154         $this->_failure = true;
 155         $this->run();
 156     }
 157
 158     // }}}
 159     // {{{ function addJsLink
 160
 161     function addJsLink($path)
 162     {
 163         $this->append('xorg_js', $path);
 164     }
 165
 166     // }}}
 167     // {{{ function addCssLink
 168
 169     function addCssLink($path)
 170     {
 171         $this->append('xorg_css', $path);
 172     }
 173
 174     // }}}
 175 }
 176
 177 // {{{ function escape_html ()
 178
 179 /**
 180  * default smarty plugin, used to auto-escape dangerous html.
 181  *
 182  * < --> &lt;
 183  * > --> &gt;
 184  * " --> &quot;
 185  * & not followed by some entity --> &amp;
 186  */
 187 function escape_html($string)
 188 {
 189     if (is_string($string)) {
 190         $transtbl = Array('<' => '&lt;', '>' => '&gt;', '"' => '&quot;', '\'' => '&#39;');
 191         return preg_replace("/&(?![A-Za-z]{0,4}\w{2,3};|#[0-9]{2,4};)/", "&amp;" , strtr($string, $transtbl));
 192     } else {
 193         return $string;
 194     }
 195 }
 196
 197 // }}}
 198 // {{{ function at_to_globals()
 199
 200 /**
 201  * helper
 202  */
 203
 204 function _to_globals($s) {
 205     global $globals;
 206     $t = explode('.',$s);
 207     if (count($t) == 1) {
 208         return var_export($globals->$t[0],true);
 209     } else {
 210         return var_export($globals->$t[0]->$t[1],true);
 211     }
 212 }
 213
 214 /**
 215  * compilation plugin used to import $globals confing through #globals.foo.bar# directives
 216  */
 217
 218 function at_to_globals($tpl_source, &$smarty)
 219 {
 220     return preg_replace('/#globals\.([a-zA-Z0-9_.]+?)#/e', '_to_globals(\'\\1\')', $tpl_source);
 221 }
 222
 223 // }}}
 224 // {{{  function trimwhitespace
 225
 226 function trimwhitespace($source, &$smarty)
 227 {
 228     $tags = array('script', 'pre', 'textarea');
 229
 230     foreach ($tags as $tag) {
 231         preg_match_all("!<{$tag}[^>]+>.*?</{$tag}>!is", $source, ${$tag});
 232         $source = preg_replace("!<{$tag}[^>]+>.*?</{$tag}>!is", "&&&{$tag}&&&", $source);
 233     }
 234
 235     // remove all leading spaces, tabs and carriage returns NOT
 236     // preceeded by a php close tag.
 237     $source = preg_replace('/((?<!\?>)\n)[\s]+/m', '\1', $source);
 238
 239     foreach ($tags as $tag) {
 240         $source = preg_replace("!&&&{$tag}&&&!e",  'array_shift(${$tag}[0])', $source);
 241     }
 242
 243     return $source;
 244 }
 245
 246 // }}}
 247
 248 // vim:set et sw=4 sts=4 sws=4 foldmethod=marker:
 249 ?>