silverstripe-framework/thirdparty/zend_translate_railsyaml/library/Translate/Adapter/RailsYAML.php

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<?php
/** Zend_Locale */
require_once 'Zend/Locale.php';
/** Zend_Translate_Adapter */
require_once 'Zend/Translate/Adapter.php';
// ischommer CUSTOM Check required because SS core also includes the lib, from a different location
if(!class_exists('sfYaml')) require_once 'thirdparty/sfYaml/lib/sfYaml.php';
if(!class_exists('sfYamlParser')) require_once 'thirdparty/sfYaml/lib/sfYamlParser.php';
if(!class_exists('sfYamlDumper')) require_once 'thirdparty/sfYaml/lib/sfYamlDumper.php';
// ischommer END_CUSTOM
class Translate_Adapter_RailsYaml extends Zend_Translate_Adapter {
/**
* Generates the adapter
*
* @param array|Zend_Config $options Translation content
*/
public function __construct($options = array()) {
$this->_options['keyDelimiter'] = ".";
parent::__construct($options);
}
/**
* Load translation data
*
* @param string|array $data Filename and full path to the translation source
* @param string $locale Locale/Language to add data for, identical with locale identifier,
* see Zend_Locale for more information
* @param array $option OPTIONAL Options to use
*/
protected function _loadTranslationData($data, $locale, array $options = array())
{
$options = array_merge($this->_options, $options);
if ($options['clear'] || !isset($this->_translate[$locale])) {
$this->_translate[$locale] = array();
}
if(is_array($data)) return array($locale => $data);
$this->_filename = $data;
if (!is_readable($this->_filename)) {
require_once 'Zend/Translate/Exception.php';
throw new Zend_Translate_Exception('Error opening translation file \'' . $this->_filename . '\'.');
}
$content = sfYaml::load(file_get_contents($this->_filename));
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if($locale != 'auto' && $content && !array_key_exists($locale, $content)) {
require_once 'Zend/Translate/Exception.php';
throw new Zend_Translate_Exception(sprintf('Locale "%s" not found in file %s', $locale, $this->_filename));
}
// Rails YML files supported arbitrarily nested keys, Zend_Translate doesn't - so we flatten them.
// See http://stackoverflow.com/questions/7011451/transaprently-flatten-an-array/7011675
$flattened = array();
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if($content && $content[$locale]) {
$iterator = new Translate_Adapter_RailsYaml_Iterator(new RecursiveArrayIterator($content[$locale]));
foreach($iterator as $k => $v) {
$flattened[implode($options['keyDelimiter'], $iterator->getKeyStack())] = $v;
}
}
return array($locale => $flattened);
}
/**
* returns the adapters name
*
* @return string
*/
public function toString()
{
return "RailsYaml";
}
}
class Translate_Adapter_RailsYaml_Iterator extends RecursiveIteratorIterator
{
protected $keyStack = array();
public function callGetChildren()
{
$this->keyStack[] = parent::key();
return parent::callGetChildren();
}
public function endChildren()
{
array_pop($this->keyStack);
parent::endChildren();
}
public function key()
{
return json_encode($this->getKeyStack());
}
public function getKeyStack()
{
return array_merge($this->keyStack, array(parent::key()));
}
}