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<?php
/**
* PHPTAL templating engine
*
* PHP Version 5
*
* @category HTML
* @package PHPTAL
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
* @author Kornel Lesiński <kornel@aardvarkmedia.co.uk>
* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
* @version SVN: $Id: Translate.php 605 2009-05-03 02:50:26Z kornel $
* @link http://phptal.org/
*/
/**
* ZPTInternationalizationSupport
*
* i18n:translate
*
* This attribute is used to mark units of text for translation. If this
* attribute is specified with an empty string as the value, the message ID
* is computed from the content of the element bearing this attribute.
* Otherwise, the value of the element gives the message ID.
*
*
* @package PHPTAL
* @subpackage Php.attribute.i18n
*/
class PHPTAL_Php_Attribute_I18N_Translate extends PHPTAL_Php_Attribute
{
public function before(PHPTAL_Php_CodeWriter $codewriter)
{
$escape = true;
if (preg_match('/^(text|structure)(?:\s+(.*)|\s*$)/', $this->expression, $m)) {
if ($m[1]=='structure') $escape=false;
$this->expression = isset($m[2])?$m[2]:'';
}
// if no expression is given, the content of the node is used as
// a translation key
if (strlen(trim($this->expression)) == 0) {
$key = $this->_getTranslationKey($this->phpelement, !$escape, $codewriter->getEncoding());
$key = trim(preg_replace('/\s+/sm'.($codewriter->getEncoding()=='UTF-8'?'u':''), ' ', $key));
$code = $codewriter->str($key);
} else {
$code = $codewriter->evaluateExpression($this->expression);
}
$this->_prepareNames($codewriter, $this->phpelement);
$codewriter->pushCode('echo $_translator->translate('.$code.','.($escape ? 'true':'false').');');
}
public function after(PHPTAL_Php_CodeWriter $codewriter)
{
}
private function _getTranslationKey(PHPTAL_Dom_Node $tag, $preserve_tags, $encoding)
{
$result = '';
foreach ($tag->childNodes as $child) {
if ($child instanceOf PHPTAL_Dom_Text) {
if ($preserve_tags) {
$result .= $child->getValueEscaped();
} else {
$result .= $child->getValue($encoding);
}
} elseif ($child instanceOf PHPTAL_Dom_Element) {
if ($attr = $child->getAttributeNodeNS('http://xml.zope.org/namespaces/i18n', 'name')) {
$result .= '${' . $attr->getValue() . '}';
} else {
if ($preserve_tags) {
$result .= '<'.$child->getQualifiedName();
foreach ($child->getAttributeNodes() as $attr) {
if ($attr->getReplacedState() === PHPTAL_Dom_Attr::HIDDEN) continue;
$result .= ' '.$attr->getQualifiedName().'="'.$attr->getValueEscaped().'"';
}
$result .= '>'.$this->_getTranslationKey($child, $preserve_tags, $encoding) . '</'.$child->getQualifiedName().'>';
} else {
$result .= $this->_getTranslationKey($child, $preserve_tags, $encoding);
}
}
}
}
return $result;
}
private function _prepareNames(PHPTAL_Php_CodeWriter $codewriter, PHPTAL_Dom_Node $tag)
{
foreach ($tag->childNodes as $child) {
if ($child instanceOf PHPTAL_Dom_Element) {
if ($child->hasAttributeNS('http://xml.zope.org/namespaces/i18n', 'name')) {
$child->generateCode($codewriter);
} else {
$this->_prepareNames($codewriter, $child);
}
}
}
}
}
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