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<?php
class I18nData {
const REFERENCE_LANGUAGE = 'en';
private $data = array();
private $ignore = array();
public function __construct($data, $ignore) {
$this->data = $data;
$this->ignore = $ignore;
$this->synchonizeKeys();
}
public function getData() {
$output = array();
$reference = $this->getReferenceLanguage();
$languages = $this->getNonReferenceLanguages();
foreach ($reference as $file => $values) {
foreach ($values as $key => $value) {
$output[static::REFERENCE_LANGUAGE][$file][$key] = $value;
foreach ($languages as $language) {
if ($this->data[$language][$file][$key] !== $value) {
// This value is translated, there is no need to flag it.
$output[$language][$file][$key] = $this->data[$language][$file][$key];
} elseif (array_key_exists($language, $this->ignore) && in_array($key, $this->ignore[$language])) {
// This value is ignored, there is no need to flag it.
$output[$language][$file][$key] = $this->data[$language][$file][$key];
} else {
// This value is not translated nor ignored, it must be flagged.
$output[$language][$file][$key] = "{$value} -> todo";
}
}
}
}
return $output;
}
public function getIgnore() {
$ignore = array();
foreach ($this->ignore as $language => $keys) {
sort($keys);
$ignore[$language] = $keys;
}
return $ignore;
}
private function synchonizeKeys() {
$this->addMissingKeysFromReference();
$this->removeExtraKeysFromOtherLanguages();
$this->removeUnknownIgnoreKeys();
}
private function addMissingKeysFromReference() {
$reference = $this->getReferenceLanguage();
$languages = $this->getNonReferenceLanguages();
foreach ($reference as $file => $values) {
foreach ($values as $key => $value) {
foreach ($languages as $language) {
if (!array_key_exists($key, $this->data[$language][$file])) {
$this->data[$language][$file][$key] = $value;
}
}
}
}
}
private function removeExtraKeysFromOtherLanguages() {
$reference = $this->getReferenceLanguage();
foreach ($this->getNonReferenceLanguages() as $language) {
foreach ($this->getLanguage($language) as $file => $values) {
foreach ($values as $key => $value) {
if (!array_key_exists($key, $reference[$file])) {
unset($this->data[$language][$file][$key]);
}
}
}
}
}
private function removeUnknownIgnoreKeys() {
$reference = $this->getReferenceLanguage();
foreach ($this->ignore as $language => $keys) {
foreach ($keys as $index => $key) {
if (!array_key_exists($this->getFilenamePrefix($key), $reference) || !array_key_exists($key, $reference[$this->getFilenamePrefix($key)])) {
unset($this->ignore[$language][$index]);
}
}
}
}
/**
* Return the available languages
*
* @return array
*/
public function getAvailableLanguages() {
$languages = array_keys($this->data);
sort($languages);
return $languages;
}
/**
* Return all available languages without the reference language
*
* @return array
*/
public function getNonReferenceLanguages() {
return array_filter(array_keys($this->data), function ($value) {
return static::REFERENCE_LANGUAGE !== $value;
});
}
/**
* Add a new language. It's a copy of the reference language.
*
* @param string $language
* @throws Exception
*/
public function addLanguage($language) {
if (array_key_exists($language, $this->data)) {
throw new Exception('The selected language already exist.');
}
$this->data[$language] = $this->data[static::REFERENCE_LANGUAGE];
}
/**
* Check if the key is known.
*
* @param string $key
* @return bool
*/
public function isKnown($key) {
return array_key_exists($this->getFilenamePrefix($key), $this->data[static::REFERENCE_LANGUAGE]) &&
array_key_exists($key, $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)]);
}
/**
* Add a new key to all languages.
*
* @param string $key
* @param string $value
* @throws Exception
*/
public function addKey($key, $value) {
if ($this->isKnown($key)) {
throw new Exception('The selected key already exist.');
}
foreach ($this->getAvailableLanguages() as $language) {
if (!array_key_exists($key, $this->data[$language][$this->getFilenamePrefix($key)])) {
$this->data[$language][$this->getFilenamePrefix($key)][$key] = $value;
}
}
}
/**
* Add a value for a key for the selected language.
*
* @param string $key
* @param string $value
* @param string $language
* @throws Exception
*/
public function addValue($key, $value, $language) {
if (!in_array($language, $this->getAvailableLanguages())) {
throw new Exception('The selected language does not exist.');
}
if (!array_key_exists($this->getFilenamePrefix($key), $this->data[static::REFERENCE_LANGUAGE]) ||
!array_key_exists($key, $this->data[static::REFERENCE_LANGUAGE][$this->getFilenamePrefix($key)])) {
throw new Exception('The selected key does not exist for the selected language.');
}
$this->data[$language][$this->getFilenamePrefix($key)][$key] = $value;
}
/**
* Remove a key in all languages
*
* @param string $key
* @throws Exception
*/
public function removeKey($key) {
if (!$this->isKnown($key)) {
throw new Exception('The selected key does not exist.');
}
foreach ($this->getAvailableLanguages() as $language) {
if (array_key_exists($key, $this->data[$language][$this->getFilenamePrefix($key)])) {
unset($this->data[$language][$this->getFilenamePrefix($key)][$key]);
}
if (array_key_exists($language, $this->ignore) && $position = array_search($key, $this->ignore[$language])) {
unset($this->ignore[$language][$position]);
}
}
}
/**
* Ignore a key from a language, or reverse it.
*
* @param string $key
* @param string $language
* @param boolean $reverse
*/
public function ignore($key, $language, $reverse = false) {
if (!array_key_exists($language, $this->ignore)) {
$this->ignore[$language] = array();
}
$index = array_search($key, $this->ignore[$language]);
if (false !== $index && $reverse) {
unset($this->ignore[$language][$index]);
return;
}
if (false !== $index && !$reverse) {
return;
}
$this->ignore[$language][] = $key;
}
public function getLanguage($language) {
return $this->data[$language];
}
public function getReferenceLanguage() {
return $this->getLanguage(static::REFERENCE_LANGUAGE);
}
/**
* @param string $key
* @return string
*/
private function getFilenamePrefix($key) {
return preg_replace('/\..*/', '.php', $key);
}
}
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