[BUGFIX] Errors can appear for the first usage of a language file with <CDATA[]]> values

Classes/Service/FileBaseService.php

@@ -87,6 +87,8 @@ abstract class FileBaseService extends FileService {
 
 		$this->setWorkspace('base');
 		parent::init($file, $path);
+
+		$this->prepareLanguageFilesForFirstUsage();
 	}
 
 	/**
@@ -141,6 +143,55 @@ abstract class FileBaseService extends FileService {
 		$this->localLang = $localLang;
 		$this->originLang = $originLang;
 	}
+
+	/**
+	 * Prepares this language file and it's translations for the first usage.
+	 *
+	 * @throws LFException
+	 * @return void
+	 */
+	protected function prepareLanguageFilesForFirstUsage() {
+		$adaptedContent = $this->checkFileForFirstImport($this->absFile);
+		if ($adaptedContent) {
+			$files = [];
+			$files[$this->absFile] = $adaptedContent;
+
+			$languages = SgLib::getSystemLanguages();
+			foreach ($languages as $lang) {
+				if ($lang === 'default') {
+					continue;
+				}
+
+				$file = dirname($this->absFile) . '/' . $this->nameLocalizedFile($lang);
+				if (file_exists($file) && $this->checkLocalizedFile(basename($file), $lang)) {
+					$adaptedContent = $this->checkFileForFirstImport($file);
+					if ($adaptedContent) {
+						$files[$file] = $adaptedContent;
+					}
+				}
+			}
+
+			$this->writeFilesWithContent($files);
+		}
+	}
+
+	/**
+	 * Checks if the given file is generated by this extension, if not the data will be prepared and returned.
+	 *
+	 * @param string $file
+	 * @return bool|string
+	 */
+	protected function checkFileForFirstImport($file) {
+		$fileContent = file_get_contents($file);
+		if (strpos($fileContent, '<generator>LFEditor</generator>') === FALSE) {
+			$fileContent = str_replace('<![CDATA[', '&lt;![CDATA[', $fileContent);
+			$fileContent = str_replace(']]>', ']]&gt;', $fileContent);
+		} else {
+			return FALSE;
+		}
+
+		return $fileContent;
+	}
 }
 
 ?>
\ No newline at end of file

Classes/Service/FileService.php

@@ -277,16 +277,32 @@ abstract class FileService extends AbstractService {
 	public function writeFile($editedLanguages = NULL) {
 		// get prepared language files
 		$languageFiles = $this->prepareFileContents($editedLanguages);
+		$this->writeFilesWithContent($languageFiles);
+	}
 
+	/**
+	 * Writes the given files with the given content.
+	 *
+	 * Array structure:
+	 * array (
+	 * 		'/var/www/file.xlf' => 'My content',
+	 * 		...
+	 * )
+	 *
+	 * @param array $files
+	 * @throws LFException
+	 * @return void
+	 */
+	public function writeFilesWithContent(array $files = []) {
 		// check write permissions of all files
-		foreach ($languageFiles as $file => $content) {
+		foreach ($files as $file => $content) {
 			if (!SgLib::checkWritePerms($file)) {
 				throw new LFException('failure.file.badPermissions');
 			}
 		}
 
 		// write files
-		foreach ($languageFiles as $file => $content) {
+		foreach ($files as $file => $content) {
 			if (!GeneralUtility::writeFile($file, $content)) {
 				throw new LFException('failure.file.notWritten');
 			}