Qt.php

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<?php
#require_once 'Zend/Locale.php';

#require_once 'Zend/Translate/Adapter.php';

#require_once 'Zend/Xml/Security.php';

#require_once 'Zend/Xml/Exception.php';

class Zend_Translate_Adapter_Qt extends Zend_Translate_Adapter {
    // Internal variables
    private $_file        = false;
    private $_cleared     = array();
    private $_transunit   = null;
    private $_source      = null;
    private $_target      = null;
    private $_scontent    = null;
    private $_tcontent    = null;
    private $_stag        = false;
    private $_ttag        = true;
    private $_data        = array();

    protected function _loadTranslationData($filename, $locale, array $options = array())
    {
        $this->_data = array();
        if (!is_readable($filename)) {
            #require_once 'Zend/Translate/Exception.php';
            throw new Zend_Translate_Exception('Translation file \'' . $filename . '\' is not readable.');
        }

        $this->_target = $locale;

        $encoding = $this->_findEncoding($filename);
        $this->_file = xml_parser_create($encoding);
        xml_set_object($this->_file, $this);
        xml_parser_set_option($this->_file, XML_OPTION_CASE_FOLDING, 0);
        xml_set_element_handler($this->_file, "_startElement", "_endElement");
        xml_set_character_data_handler($this->_file, "_contentElement");

        try {
            Zend_Xml_Security::scanFile($filename);
        } catch (Zend_Xml_Exception $e) {
            #require_once 'Zend/Translate/Exception.php';
            throw new Zend_Translate_Exception(
                $e->getMessage()
            );
        }

        if (!xml_parse($this->_file, file_get_contents($filename))) {
            $ex = sprintf('XML error: %s at line %d of file %s',
                          xml_error_string(xml_get_error_code($this->_file)),
                          xml_get_current_line_number($this->_file),
                          $filename);
            xml_parser_free($this->_file);
            #require_once 'Zend/Translate/Exception.php';
            throw new Zend_Translate_Exception($ex);
        }

        return $this->_data;
    }

    private function _startElement($file, $name, $attrib)
    {
        switch(strtolower($name)) {
            case 'message':
                $this->_source = null;
                $this->_stag = false;
                $this->_ttag = false;
                $this->_scontent = null;
                $this->_tcontent = null;
                break;
            case 'source':
                $this->_stag = true;
                break;
            case 'translation':
                $this->_ttag = true;
                break;
            default:
                break;
        }
    }

    private function _endElement($file, $name)
    {
        switch (strtolower($name)) {
            case 'source':
                $this->_stag = false;
                break;

            case 'translation':
                if (!empty($this->_scontent) and !empty($this->_tcontent) or
                    (isset($this->_data[$this->_target][$this->_scontent]) === false)) {
                    $this->_data[$this->_target][$this->_scontent] = $this->_tcontent;
                }
                $this->_ttag = false;
                break;

            default:
                break;
        }
    }

    private function _contentElement($file, $data)
    {
        if ($this->_stag === true) {
            $this->_scontent .= $data;
        }

        if ($this->_ttag === true) {
            $this->_tcontent .= $data;
        }
    }

    private function _findEncoding($filename)
    {
        $file = file_get_contents($filename, null, null, 0, 100);
        if (strpos($file, "encoding") !== false) {
            $encoding = substr($file, strpos($file, "encoding") + 9);
            $encoding = substr($encoding, 1, strpos($encoding, $encoding[0], 1) - 1);
            return $encoding;
        }
        return 'UTF-8';
    }

    public function toString()
    {
        return "Qt";
    }
}