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<?php
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class I18nData {
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const REFERENCE_LANGUAGE = 'en';
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private $data = array();
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private $originalData = array();
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public function __construct($data) {
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$this->data = $data;
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$this->originalData = $data;
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}
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public function getData() {
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return $this->data;
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}
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/**
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* Return the available languages
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*
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* @return array
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*/
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public function getAvailableLanguages() {
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$languages = array_keys($this->data);
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sort($languages);
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return $languages;
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}
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/**
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* Add a new language. It's a copy of the reference language.
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*
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* @param string $language
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* @throws Exception
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*/
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public function addLanguage($language) {
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if (array_key_exists($language, $this->data)) {
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throw new Exception('The selected language already exist.');
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}
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$this->data[$language] = $this->data[static::REFERENCE_LANGUAGE];
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}
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/**
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* Add a key in the reference language
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*
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* @param string $key
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* @param string $value
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* @throws Exception
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*/
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public function addKey($key, $value) {
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if (array_key_exists($this->getFilenamePrefix($key), $this->data[static::REFERENCE_LANGUAGE]) &&
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array_key_exists($key, $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)])) {
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throw new Exception('The selected key already exist.');
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}
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$this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)][$key] = $value;
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}
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/**
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* Add a value for a key for the selected language.
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*
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* @param string $key
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* @param string $value
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* @param string $language
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* @throws Exception
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*/
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public function addValue($key, $value, $language) {
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if (!in_array($language, $this->getAvailableLanguages())) {
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throw new Exception('The selected language does not exist.');
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}
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if (!array_key_exists($this->getFilenamePrefix($key), $this->data[static::REFERENCE_LANGUAGE]) ||
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!array_key_exists($key, $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)])) {
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throw new Exception('The selected key does not exist for the selected language.');
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}
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$this->data[$language][$this->getFilenamePrefix($key)][$key] = $value;
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}
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/**
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* Duplicate a key from the reference language to all other languages
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*
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* @param string $key
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* @throws Exception
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*/
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public function duplicateKey($key) {
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if (!array_key_exists($this->getFilenamePrefix($key), $this->data[static::REFERENCE_LANGUAGE]) ||
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!array_key_exists($key, $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)])) {
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throw new Exception('The selected key does not exist.');
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}
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$value = $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)][$key];
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foreach ($this->getAvailableLanguages() as $language) {
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if (static::REFERENCE_LANGUAGE === $language) {
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continue;
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}
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if (array_key_exists($key, $this->data[$language][$this->getFilenamePrefix($key)])) {
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continue;
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}
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$this->data[$language][$this->getFilenamePrefix($key)][$key] = $value;
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}
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}
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/**
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* Remove a key in all languages
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*
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* @param string $key
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* @throws Exception
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*/
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public function removeKey($key) {
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if (!array_key_exists($this->getFilenamePrefix($key), $this->data[static::REFERENCE_LANGUAGE]) ||
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!array_key_exists($key, $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)])) {
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throw new Exception('The selected key does not exist.');
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}
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foreach ($this->getAvailableLanguages() as $language) {
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if (array_key_exists($key, $this->data[$language][$this->getFilenamePrefix($key)])) {
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unset($this->data[$language][$this->getFilenamePrefix($key)][$key]);
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}
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}
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}
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/**
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* WARNING! This is valid only for ignore files. It's not the best way to
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* handle that but as it's meant to be used only for the cli tool, there
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* is no point of spending time on making it better than that.
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*
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* Ignore a key from a language, or reverse it.
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*
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* @param string $key
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* @param string $language
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* @param boolean $reverse
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*/
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public function ignore($key, $language, $reverse = false) {
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$index = array_search($key, $this->data[$language]);
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if ($index && $reverse) {
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unset($this->data[$language][$index]);
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return;
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}
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if ($index && !$reverse) {
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return;
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}
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$this->data[$language][] = $key;
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}
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/**
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* Check if the data has changed
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*
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* @return bool
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*/
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public function hasChanged() {
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return $this->data !== $this->originalData;
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}
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public function getLanguage($language) {
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return $this->data[$language];
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}
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public function getReferenceLanguage() {
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return $this->getLanguage(static::REFERENCE_LANGUAGE);
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}
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/**
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* @param string $key
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* @return string
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*/
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private function getFilenamePrefix($key) {
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return preg_replace('/\..*/', '.php', $key);
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}
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}
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