mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
a86e42e5ed
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@64560 467b73ca-7a2a-4603-9d3b-597d59a354a9
336 lines
11 KiB
PHP
336 lines
11 KiB
PHP
<?php
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/**
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* @author Bernat Foj Capell <bernat@silverstripe.com>
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* @author Ingo Schommer <FIRSTNAME@silverstripe.com>
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* @package sapphire
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* @subpackage misc
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*/
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class i18nTextCollector extends Object {
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protected $defaultLocale;
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/**
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* @var string $basePath The directory base on which the collector should act.
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* Usually the webroot set through {@link Director::baseFolder()}.
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* @todo Fully support changing of basePath through {@link SSViewer} and {@link ManifestBuilder}
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*/
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public $basePath;
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/**
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* @var string $basePath The directory base on which the collector should create new lang folders and files.
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* Usually the webroot set through {@link Director::baseFolder()}.
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* Can be overwritten for testing or export purposes.
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* @todo Fully support changing of basePath through {@link SSViewer} and {@link ManifestBuilder}
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*/
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public $baseSavePath;
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/**
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* @param $locale
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*/
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function __construct($locale = null) {
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$this->defaultLocale = ($locale) ? $locale : i18n::default_locale();
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$this->basePath = Director::baseFolder();
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$this->baseSavePath = Director::baseFolder();
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parent::__construct();
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}
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/**
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* This is the main method to build the master string tables with the original strings.
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* It will search for existent modules that use the i18n feature, parse the _t() calls
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* and write the resultant files in the lang folder of each module.
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*
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* @uses DataObject->collectI18nStatics()
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*/
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public function run($restrictToModule = null) {
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//Debug::message("Collecting text...", false);
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// A master string tables array (one mst per module)
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$entitiesByModule = array();
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//Search for and process existent modules, or use the passed one instead
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$modules = (isset($restrictToModule)) ? array(basename($restrictToModule)) : scandir($this->basePath);
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foreach($modules as $module) {
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// Only search for calls in folder with a _config.php file (which means they are modules)
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$isValidModuleFolder = (
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is_dir("$this->basePath/$module")
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&& is_file("$this->basePath/$module/_config.php")
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&& substr($module,0,1) != '.'
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);
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if(!$isValidModuleFolder) continue;
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// we store the master string tables
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$entitiesByModule[$module] = $this->processModule($module);
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}
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// Write the generated master string tables
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$this->writeMasterStringFile($entitiesByModule);
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//Debug::message("Done!", false);
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}
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/**
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* Build the module's master string table
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*
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* @param string $module Module's name
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*/
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protected function processModule($module) {
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$entitiesArr = array();
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//Debug::message("Processing Module '{$module}'", false);
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// Search for calls in code files if these exists
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if(is_dir("$this->basePath/$module/code")) {
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$fileList = $this->getFilesRecursive("$this->basePath/$module/code");
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} else if($module == 'sapphire') {
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// sapphire doesn't have the usual module structure, so we'll scan all subfolders
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$fileList = $this->getFilesRecursive("$this->basePath/$module");
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}
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foreach($fileList as $filePath) {
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// exclude ss-templates, they're scanned separately
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if(substr($filePath,-3) == 'php') {
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$content = file_get_contents($filePath);
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$entitiesArr = array_merge($entitiesArr,(array)$this->collectFromCode($content, $module));
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$entitiesArr = array_merge($entitiesArr, (array)$this->collectFromStatics($filePath, $module));
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}
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}
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// Search for calls in template files if these exists
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if(is_dir("$this->basePath/$module/templates")) {
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$fileList = $this->getFilesRecursive("$this->basePath/$module/templates");
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foreach($fileList as $index => $filePath) {
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$content = file_get_contents($filePath);
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// templates use their filename as a namespace
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$namespace = basename($filePath);
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$entitiesArr = array_merge($entitiesArr, (array)$this->collectFromTemplate($content, $module, $namespace));
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}
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}
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// sort for easier lookup and comparison with translated files
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ksort($entitiesArr);
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return $entitiesArr;
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}
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/**
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* Write the master string table of every processed module
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*/
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protected function writeMasterStringFile($entitiesByModule) {
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// Write each module language file
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if($entitiesByModule) foreach($entitiesByModule as $module => $entities) {
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$php = '';
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// Create folder for lang files
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$langFolder = $this->baseSavePath . '/' . $module . '/lang';
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if(!file_exists($langFolder)) {
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Filesystem::makeFolder($langFolder, Filesystem::$folder_create_mask);
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touch($langFolder . '/_manifest_exclude');
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}
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// Open the English file and write the Master String Table
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if($fh = fopen($langFolder . '/' . $this->defaultLocale . '.php', "w")) {
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if($entities) foreach($entities as $fullName => $spec) {
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$php .= $this->langArrayCodeForEntitySpec($fullName, $spec);
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}
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// test for valid PHP syntax by eval'ing it
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try{
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//eval($php);
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} catch(Exception $e) {
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user_error('i18nTextCollector->writeMasterStringFile(): Invalid PHP language file. Error: ' . $e->toString(), E_USER_ERROR);
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}
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fwrite($fh, "<?php\n\nglobal \$lang;\n\n" . $php . "\n?>");
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fclose($fh);
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Debug::message("Created file: $langFolder/" . $this->defaultLocale . ".php", false);
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} else {
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user_error("Cannot write language file! Please check permissions of $langFolder/" . $this->defaultLocale . ".php", E_USER_ERROR);
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}
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}
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}
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/**
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* Helper function that searches for potential files to be parsed
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*
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* @param string $folder base directory to scan (will scan recursively)
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* @param array $fileList Array where potential files will be added to
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*/
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protected function getFilesRecursive($folder, &$fileList = null) {
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if(!$fileList) $fileList = array();
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$items = scandir($folder);
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$isValidFolder = (
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!in_array('_manifest_exclude', $items)
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&& !preg_match('/\/tests$/', $folder)
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);
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if($items && $isValidFolder) foreach($items as $item) {
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if(substr($item,0,1) == '.') continue;
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if(substr($item,-4) == '.php') $fileList[substr($item,0,-4)] = "$folder/$item";
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else if(substr($item,-3) == '.ss') $fileList[$item] = "$folder/$item";
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else if(is_dir("$folder/$item")) $this->getFilesRecursive("$folder/$item", $fileList);
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}
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return $fileList;
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}
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public function collectFromCode($content, $module) {
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$entitiesArr = array();
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$regexRule = '_t[[:space:]]*\(' .
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'[[:space:]]*("[^"]*"|\\\'[^\']*\\\')[[:space:]]*,' . # namespace.entity
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'[[:space:]]*("([^"]|\\\")*"|\'([^\']|\\\\\')*\')([[:space:]*,' . # value
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'[[:space:]]*[^,)]*)?([[:space:]]*,' . # priority (optional)
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'[[:space:]]*("([^"]|\\\")*"|\'([^\']|\\\\\')*\'))?[[:space:]]*' . # comment
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'\)';
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while (ereg($regexRule, $content, $regs)) {
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$entitiesArr = array_merge($entitiesArr, (array)$this->entitySpecFromRegexMatches($regs));
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// remove parsed content to continue while() loop
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$content = str_replace($regs[0],"",$content);
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}
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ksort($entitiesArr);
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return $entitiesArr;
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}
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public function collectFromTemplate($content, $module, $fileName) {
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$entitiesArr = array();
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// Search for included templates
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preg_match_all('/<' . '% include +([A-Za-z0-9_]+) +%' . '>/', $content, $regs, PREG_SET_ORDER);
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foreach($regs as $reg) {
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$includeName = $reg[1];
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$includeFileName = "{$includeName}.ss";
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$filePath = SSViewer::getTemplateFileByType($includeName, 'Includes');
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$includeContent = file_get_contents($filePath);
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// @todo Will get massively confused if you include the includer -> infinite loop
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$entitiesArr = array_merge($entitiesArr,(array)$this->collectFromTemplate($includeContent, $module, $includeFileName));
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}
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// @todo respect template tags (<% _t() %> instead of _t())
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$regexRule = '_t[[:space:]]*\(' .
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'[[:space:]]*("[^"]*"|\\\'[^\']*\\\')[[:space:]]*,' . # namespace.entity
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'[[:space:]]*("([^"]|\\\")*"|\'([^\']|\\\\\')*\')([[:space:]]*,' . # value
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'[[:space:]]*[^,)]*)?([[:space:]]*,' . # priority (optional)
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'[[:space:]]*("([^"]|\\\")*"|\'([^\']|\\\\\')*\'))?[[:space:]]*' . # comment (optional)
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'\)';
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while(ereg($regexRule,$content,$regs)) {
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$entitiesArr = array_merge($entitiesArr,(array)$this->entitySpecFromRegexMatches($regs, $fileName));
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// remove parsed content to continue while() loop
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$content = str_replace($regs[0],"",$content);
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}
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ksort($entitiesArr);
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return $entitiesArr;
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}
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/**
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* @todo Fix regexes so the deletion of quotes, commas and newlines from wrong matches isn't necessary
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*/
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protected function entitySpecFromRegexMatches($regs, $_namespace = null) {
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// remove wrapping quotes
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$fullName = substr($regs[1],1,-1);
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// split fullname into entity parts
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$entityParts = explode('.', $fullName);
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if(count($entityParts) > 1) {
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// templates don't have a custom namespace
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$entity = array_pop($entityParts);
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// namespace might contain dots, so we explode
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$namespace = implode('.',$entityParts);
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} else {
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$entity = array_pop($entityParts);
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$namespace = $_namespace;
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}
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// remove wrapping quotes
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$value = ($regs[2]) ? substr($regs[2],1,-1) : null;
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// only escape quotes when wrapped in double quotes, to make them safe for insertion
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// into single-quoted PHP code. If they're wrapped in single quotes, the string should
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// be properly escaped already
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if(substr($regs[2],0,1) == '"') $value = addcslashes($value,'\'');
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// remove starting comma and any newlines
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$prio = ($regs[5]) ? trim(preg_replace('/\n/','',substr($regs[5],1))) : null;
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// remove wrapping quotes
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$comment = ($regs[7]) ? substr($regs[7],1,-1) : null;
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return array(
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"{$namespace}.{$entity}" => array(
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$value,
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$prio,
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$comment
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)
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);
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}
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/**
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* Input for langArrayCodeForEntitySpec() should be suitable for insertion
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* into single-quoted strings, so needs to be escaped already.
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*
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* @param string $entity The entity name, e.g. CMSMain.BUTTONSAVE
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*/
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public function langArrayCodeForEntitySpec($entityFullName, $entitySpec) {
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$php = '';
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$entityParts = explode('.', $entityFullName);
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if(count($entityParts) > 1) {
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// templates don't have a custom namespace
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$entity = array_pop($entityParts);
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// namespace might contain dots, so we implode back
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$namespace = implode('.',$entityParts);
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} else {
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user_error("i18nTextCollector::langArrayCodeForEntitySpec(): Wrong entity format for $entityFullName with values" . var_export($entitySpec, true), E_USER_WARNING);
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return false;
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}
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$value = $entitySpec[0];
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$prio = (isset($entitySpec[1])) ? addcslashes($entitySpec[1],'\'') : null;
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$comment = (isset($entitySpec[2])) ? addcslashes($entitySpec[2],'\'') : null;
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$php .= '$lang[\'' . $this->defaultLocale . '\'][\'' . $namespace . '\'][\'' . $entity . '\'] = ';
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if ($prio) {
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$php .= "array(\n\t'" . $value . "',\n\t" . $prio;
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if ($comment) {
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$php .= ",\n\t'" . $comment . '\'';
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}
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$php .= "\n);";
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} else {
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$php .= '\'' . $value . '\';';
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}
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$php .= "\n";
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return $php;
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}
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function collectFromStatics($filePath) {
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$entitiesArr = array();
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$classes = ClassInfo::classes_for_file($filePath);
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if($classes) foreach($classes as $class) {
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if(class_exists($class) && method_exists($class, 'i18nCollectStatics')) {
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$obj = singleton($class);
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$entitiesArr = array_merge($entitiesArr,(array)$obj->i18nCollectStatics());
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}
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}
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ksort($entitiesArr);
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return $entitiesArr;
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}
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public function getDefaultLocale() {
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return $this->defaultLocale;
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}
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public function setDefaultLocale($locale) {
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$this->defaultLocale = $locale;
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}
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}
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?>
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