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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
* @category Piwik
* @package Piwik
*
*/
use Piwik\Common;
/**
* Write translations to file
*
* @package Piwik
*/
class Piwik_TranslationWriter
{
static private $baseTranslation = null;
/**
* Clean a string that may contain HTML special chars, single/double quotes, HTML entities, leading/trailing whitespace
*
* @param string $s
* @return string
*/
static public function clean($s)
{
return html_entity_decode(trim($s), ENT_QUOTES, 'UTF-8');
}
/**
* Quote a "C" string
*
* @param string $s
* @return string
*/
static public function quote($s)
{
return "'" . addcslashes($s, "'") . "'";
}
/**
* Get translation file path
*
* @param string $lang ISO 639-1 alpha-2 language code
* @param string $base Optional base directory (either 'lang' or 'tmp')
* @throws Exception
* @return string path
*/
static public function getTranslationPath($lang, $base = 'lang')
{
if (!Common::isValidFilename($lang) ||
($base !== 'lang' && $base !== 'tmp')
) {
throw new Exception(Piwik_TranslateException('General_ExceptionLanguageFileNotFound', array($lang)));
}
return PIWIK_INCLUDE_PATH . '/' . $base . '/' . $lang . '.php';
}
/**
* Load translations from file
*
* @param string $lang ISO 639-1 alpha-2 language code
* @throws Exception
* @return array $translations Array of translations ( key => translated string )
*/
static public function loadTranslation($lang)
{
$translations = array();
$path = self::getTranslationPath($lang);
if (!is_readable($path)) {
throw new Exception(Piwik_TranslateException('General_ExceptionLanguageFileNotFound', array($lang)));
}
require $path;
return $translations;
}
/**
* Output translations to string
*
* @param array $translations Array of translations ( key => translated string )
* @return string
*/
static public function outputTranslation($translations)
{
if (!self::$baseTranslation) {
self::$baseTranslation = self::loadTranslation('en');
}
$en = self::$baseTranslation;
$output = array('<?php', '$translations = array(');
$deferoutput = array();
/* write all the translations that exist in en.php */
foreach ($en as $key => $en_translation) {
if (isset($translations[$key]) && !empty($translations[$key])) {
$tmp = self::quote($translations[$key]);
$output[] = "\t'$key' => $tmp,";
}
}
/* write the remaining translations (that don't exist in en.php) */
foreach ($translations as $key => $translation) {
if (!isset($en[$key]) && !empty($translation)) {
$tmp = self::quote($translation);
$deferoutput[] = "\t'$key' => $tmp,";
}
}
if (count($deferoutput) > 0) {
$output[] = "\n\t// FOR REVIEW";
$output = array_merge($output, $deferoutput);
}
$output[] = ');';
return implode($output, "\n") . "\n";
}
/**
* Save translations to file; translations should already be cleansed.
*
* @param array $translations Array of translations ( key => translated string )
* @param string $destinationPath Path of file to save translations to
* @return bool|int False if failure, or number of bytes written
*/
static public function saveTranslation($translations, $destinationPath)
{
return file_put_contents($destinationPath, self::outputTranslation($translations));
}
}
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