PHPTAL-NP-0.7.0/libs/PHPTAL/Attribute/I18N/Translate.php

   1 <?php
   2 /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3 //
   4 //  Copyright (c) 2003 Laurent Bedubourg
   5 //
   6 //  This library is free software; you can redistribute it and/or
   7 //  modify it under the terms of the GNU Lesser General Public
   8 //  License as published by the Free Software Foundation; either
   9 //  version 2.1 of the License, or (at your option) any later version.
  10 //
  11 //  This library 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 GNU
  14 //  Lesser General Public License for more details.
  15 //
  16 //  You should have received a copy of the GNU Lesser General Public
  17 //  License along with this library; if not, write to the Free Software
  18 //  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 //
  20 //  Authors: Laurent Bedubourg <laurent.bedubourg@free.fr>
  21 //
  22
  23 class PHPTAL_Attribute_I18N_Translate extends PHPTAL_Attribute
  24 {
  25     function activate(&$g, &$tag)
  26     {
  27         $g->requireGettext();
  28
  29         if (strlen($this->expression) == 0) {
  30             $key = "'". $this->_preparseGetTextKey($tag) ."'";
  31         } else {
  32             $exp = new PHPTAL_Expression($g, $tag, $this->expression);
  33             $exp->setPolicy(_PHPTAL_ES_RECEIVER_IS_TEMP);
  34             $key = $g->newTemporaryVar();
  35             $exp->setReceiver($key);
  36             $err = $exp->generate();
  37             if (PEAR::isError($err)) { return $err; }
  38         }
  39
  40         // children may contains i18n:name attributes,
  41         // we ignore output but parse content before calling translation.
  42         $g->doOBStart();
  43         foreach ($tag->_children as $child) {
  44             $child->generateCode($g);
  45         }
  46         $g->doOBClean();
  47         // $code = sprintf('$__tpl__->_translate(\'%s\')', $key);
  48         $code = sprintf('$__tpl__->_translate(%s)', $key);
  49         $g->doPrintRes($code, true);
  50     }
  51
  52     function _preparseGetTextKey(&$tag)
  53     {
  54         $key = "";
  55         foreach ($tag->_children as $child) {
  56             if ($child->isData()) {
  57                 $str = preg_replace('/\s+/sm', ' ', $child->_content);
  58                 $key .= trim($str) . ' ';
  59             } else {
  60                 $is_i18n_name = false;
  61                 // look for i18n:name
  62                 foreach ($child->_surround_attributes as $att) {
  63                     if (get_class($att) == strtolower("PHPTAL_Attribute_I18N_Name")) {
  64                         $key .= '${' . $att->expression . '}';
  65                         $is_i18n_name = true;
  66                     }
  67                 }
  68                 // recursive call to preparse key for non i18n:name tags
  69                 if (!$is_i18n_name) {
  70                     $key .= PHPTAL_Attribute_I18N_Translate::_preparseGetTextKey($child) . ' ';
  71                 }
  72             }
  73         }
  74
  75         // remove every thing that has more than 1 space
  76         $key = preg_replace('/\s+/sm', ' ', $key);
  77         $key = trim($key);
  78         return $key;
  79     }
  80 }
  81
  82 ?>