web/Zend/Translate/Adapter/Tmx.php
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     1 <?php
       
     2 /**
       
     3  * Zend Framework
       
     4  *
       
     5  * LICENSE
       
     6  *
       
     7  * This source file is subject to the new BSD license that is bundled
       
     8  * with this package in the file LICENSE.txt.
       
     9  * It is also available through the world-wide-web at this URL:
       
    10  * http://framework.zend.com/license/new-bsd
       
    11  * If you did not receive a copy of the license and are unable to
       
    12  * obtain it through the world-wide-web, please send an email
       
    13  * to license@zend.com so we can send you a copy immediately.
       
    14  *
       
    15  * @category   Zend
       
    16  * @package    Zend_Translate
       
    17  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
       
    18  * @version    $Id: Tmx.php 21049 2010-02-13 22:52:52Z thomas $
       
    19  * @license    http://framework.zend.com/license/new-bsd     New BSD License
       
    20  */
       
    21 
       
    22 
       
    23 /** Zend_Locale */
       
    24 require_once 'Zend/Locale.php';
       
    25 
       
    26 /** Zend_Translate_Adapter */
       
    27 require_once 'Zend/Translate/Adapter.php';
       
    28 
       
    29 
       
    30 /**
       
    31  * @category   Zend
       
    32  * @package    Zend_Translate
       
    33  * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
       
    34  * @license    http://framework.zend.com/license/new-bsd     New BSD License
       
    35  */
       
    36 class Zend_Translate_Adapter_Tmx extends Zend_Translate_Adapter {
       
    37     // Internal variables
       
    38     private $_file    = false;
       
    39     private $_useId   = true;
       
    40     private $_srclang = null;
       
    41     private $_tu      = null;
       
    42     private $_tuv     = null;
       
    43     private $_seg     = null;
       
    44     private $_content = null;
       
    45     private $_data    = array();
       
    46 
       
    47     /**
       
    48      * Load translation data (TMX file reader)
       
    49      *
       
    50      * @param  string  $filename  TMX file to add, full path must be given for access
       
    51      * @param  string  $locale    Locale has no effect for TMX because TMX defines all languages within
       
    52      *                            the source file
       
    53      * @param  array   $option    OPTIONAL Options to use
       
    54      * @throws Zend_Translation_Exception
       
    55      * @return array
       
    56      */
       
    57     protected function _loadTranslationData($filename, $locale, array $options = array())
       
    58     {
       
    59         $this->_data = array();
       
    60         if (!is_readable($filename)) {
       
    61             require_once 'Zend/Translate/Exception.php';
       
    62             throw new Zend_Translate_Exception('Translation file \'' . $filename . '\' is not readable.');
       
    63         }
       
    64 
       
    65         if (isset($options['useId'])) {
       
    66             $this->_useId = (boolean) $options['useId'];
       
    67         }
       
    68 
       
    69         $encoding = $this->_findEncoding($filename);
       
    70         $this->_file = xml_parser_create($encoding);
       
    71         xml_set_object($this->_file, $this);
       
    72         xml_parser_set_option($this->_file, XML_OPTION_CASE_FOLDING, 0);
       
    73         xml_set_element_handler($this->_file, "_startElement", "_endElement");
       
    74         xml_set_character_data_handler($this->_file, "_contentElement");
       
    75 
       
    76         if (!xml_parse($this->_file, file_get_contents($filename))) {
       
    77             $ex = sprintf('XML error: %s at line %d',
       
    78                           xml_error_string(xml_get_error_code($this->_file)),
       
    79                           xml_get_current_line_number($this->_file));
       
    80             xml_parser_free($this->_file);
       
    81             require_once 'Zend/Translate/Exception.php';
       
    82             throw new Zend_Translate_Exception($ex);
       
    83         }
       
    84 
       
    85         return $this->_data;
       
    86     }
       
    87 
       
    88     /**
       
    89      * Internal method, called by xml element handler at start
       
    90      *
       
    91      * @param resource $file   File handler
       
    92      * @param string   $name   Elements name
       
    93      * @param array    $attrib Attributes for this element
       
    94      */
       
    95     protected function _startElement($file, $name, $attrib)
       
    96     {
       
    97         if ($this->_seg !== null) {
       
    98             $this->_content .= "<".$name;
       
    99             foreach($attrib as $key => $value) {
       
   100                 $this->_content .= " $key=\"$value\"";
       
   101             }
       
   102             $this->_content .= ">";
       
   103         } else {
       
   104             switch(strtolower($name)) {
       
   105                 case 'header':
       
   106                     if (empty($this->_useId) && isset($attrib['srclang'])) {
       
   107                         if (Zend_Locale::isLocale($attrib['srclang'])) {
       
   108                             $this->_srclang = Zend_Locale::findLocale($attrib['srclang']);
       
   109                         } else {
       
   110                             if (!$this->_options['disableNotices']) {
       
   111                                 if ($this->_options['log']) {
       
   112                                     $this->_options['log']->notice("The language '{$attrib['srclang']}' can not be set because it does not exist.");
       
   113                                 } else {
       
   114                                     trigger_error("The language '{$attrib['srclang']}' can not be set because it does not exist.", E_USER_NOTICE);
       
   115                                 }
       
   116                             }
       
   117 
       
   118                             $this->_srclang = $attrib['srclang'];
       
   119                         }
       
   120                     }
       
   121                     break;
       
   122                 case 'tu':
       
   123                     if (isset($attrib['tuid'])) {
       
   124                         $this->_tu = $attrib['tuid'];
       
   125                     }
       
   126                     break;
       
   127                 case 'tuv':
       
   128                     if (isset($attrib['xml:lang'])) {
       
   129                         if (Zend_Locale::isLocale($attrib['xml:lang'])) {
       
   130                             $this->_tuv = Zend_Locale::findLocale($attrib['xml:lang']);
       
   131                         } else {
       
   132                             if (!$this->_options['disableNotices']) {
       
   133                                 if ($this->_options['log']) {
       
   134                                     $this->_options['log']->notice("The language '{$attrib['xml:lang']}' can not be set because it does not exist.");
       
   135                                 } else {
       
   136                                     trigger_error("The language '{$attrib['xml:lang']}' can not be set because it does not exist.", E_USER_NOTICE);
       
   137                                 }
       
   138                             }
       
   139 
       
   140                             $this->_tuv = $attrib['xml:lang'];
       
   141                         }
       
   142 
       
   143                         if (!isset($this->_data[$this->_tuv])) {
       
   144                             $this->_data[$this->_tuv] = array();
       
   145                         }
       
   146                     }
       
   147                     break;
       
   148                 case 'seg':
       
   149                     $this->_seg     = true;
       
   150                     $this->_content = null;
       
   151                     break;
       
   152                 default:
       
   153                     break;
       
   154             }
       
   155         }
       
   156     }
       
   157 
       
   158 
       
   159     /**
       
   160      * Internal method, called by xml element handler at end
       
   161      *
       
   162      * @param resource $file   File handler
       
   163      * @param string   $name   Elements name
       
   164      */
       
   165     protected function _endElement($file, $name)
       
   166     {
       
   167         if (($this->_seg !== null) and ($name !== 'seg')) {
       
   168             $this->_content .= "</".$name.">";
       
   169         } else {
       
   170             switch (strtolower($name)) {
       
   171                 case 'tu':
       
   172                     $this->_tu = null;
       
   173                     break;
       
   174                 case 'tuv':
       
   175                     $this->_tuv = null;
       
   176                     break;
       
   177                 case 'seg':
       
   178                     $this->_seg = null;
       
   179                     if (!empty($this->_srclang) && ($this->_srclang == $this->_tuv)) {
       
   180                         $this->_tu = $this->_content;
       
   181                     }
       
   182 
       
   183                     if (!empty($this->_content) or (!isset($this->_data[$this->_tuv][$this->_tu]))) {
       
   184                         $this->_data[$this->_tuv][$this->_tu] = $this->_content;
       
   185                     }
       
   186                     break;
       
   187                 default:
       
   188                     break;
       
   189             }
       
   190         }
       
   191     }
       
   192 
       
   193     /**
       
   194      * Internal method, called by xml element handler for content
       
   195      *
       
   196      * @param resource $file File handler
       
   197      * @param string   $data Elements content
       
   198      */
       
   199     protected function _contentElement($file, $data)
       
   200     {
       
   201         if (($this->_seg !== null) and ($this->_tu !== null) and ($this->_tuv !== null)) {
       
   202             $this->_content .= $data;
       
   203         }
       
   204     }
       
   205 
       
   206 
       
   207     /**
       
   208      * Internal method, detects the encoding of the xml file
       
   209      *
       
   210      * @param string $name Filename
       
   211      * @return string Encoding
       
   212      */
       
   213     protected function _findEncoding($filename)
       
   214     {
       
   215         $file = file_get_contents($filename, null, null, 0, 100);
       
   216         if (strpos($file, "encoding") !== false) {
       
   217             $encoding = substr($file, strpos($file, "encoding") + 9);
       
   218             $encoding = substr($encoding, 1, strpos($encoding, $encoding[0], 1) - 1);
       
   219             return $encoding;
       
   220         }
       
   221         return 'UTF-8';
       
   222     }
       
   223 
       
   224     /**
       
   225      * Returns the adapter name
       
   226      *
       
   227      * @return string
       
   228      */
       
   229     public function toString()
       
   230     {
       
   231         return "Tmx";
       
   232     }
       
   233 }