/gallery3/modules/gallery/helpers/l10n_scanner.php
PHP | 178 lines | 131 code | 14 blank | 33 comment | 46 complexity | d62eaae7aeffd482bb85de2aec35fdf5 MD5 | raw file
Possible License(s): GPL-2.0
- <?php defined("SYSPATH") or die("No direct script access.");
- /**
- * Gallery - a web based photo album viewer and editor
- * Copyright (C) 2000-2012 Bharat Mediratta
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
- */
- /**
- * Scans all source code for messages that need to be localized.
- */
- class l10n_scanner_Core {
- // Based on Drupal's potx module, originally written by:
- // G‡bor Hojtsy http://drupal.org/user/4166
- public static $cache;
- static function process_message($message, &$cache) {
- if (empty($cache)) {
- foreach (db::build()
- ->select("key")
- ->from("incoming_translations")
- ->where("locale", "=", "root")
- ->execute() as $row) {
- $cache[$row->key] = true;
- }
- }
- $key = Gallery_I18n::get_message_key($message);
- if (array_key_exists($key, $cache)) {
- return $cache[$key];
- }
- $entry = ORM::factory("incoming_translation")->where("key", "=", $key)->find();
- if (!$entry->loaded()) {
- $entry->key = $key;
- $entry->message = serialize($message);
- $entry->locale = "root";
- $entry->save();
- }
- }
- static function scan_php_file($file, &$cache) {
- $code = file_get_contents($file);
- $raw_tokens = token_get_all($code);
- unset($code);
- $tokens = array();
- $func_token_list = array("t" => array(), "t2" => array());
- $token_number = 0;
- // Filter out HTML / whitespace, and build a lookup for global function calls.
- foreach ($raw_tokens as $token) {
- if ((!is_array($token)) || (($token[0] != T_WHITESPACE) && ($token[0] != T_INLINE_HTML))) {
- if (is_array($token)) {
- if ($token[0] == T_STRING && in_array($token[1], array("t", "t2"))) {
- $func_token_list[$token[1]][] = $token_number;
- }
- }
- $tokens[] = $token;
- $token_number++;
- }
- }
- unset($raw_tokens);
- if (!empty($func_token_list["t"])) {
- $errors = l10n_scanner::_parse_t_calls($tokens, $func_token_list["t"], $cache);
- foreach ($errors as $line => $error) {
- Kohana_Log::add(
- "error", "Translation scanner error. " .
- "file: " . substr($file, strlen(DOCROOT)) . ", line: $line, context: $error");
- }
- }
- if (!empty($func_token_list["t2"])) {
- $errors = l10n_scanner::_parse_plural_calls($tokens, $func_token_list["t2"], $cache);
- foreach ($errors as $line => $error) {
- Kohana_Log::add(
- "error", "Translation scanner error. " .
- "file: " . substr($file, strlen(DOCROOT)) . ", line: $line, context: $error");
- }
- }
- }
- static function scan_info_file($file, &$cache) {
- $info = new ArrayObject(parse_ini_file($file), ArrayObject::ARRAY_AS_PROPS);
- foreach (array('name', 'description') as $property) {
- if (isset($info->$property)) {
- l10n_scanner::process_message($info->$property, $cache);
- }
- }
- }
- private static function _parse_t_calls(&$tokens, &$call_list, &$cache) {
- $errors = array();
- foreach ($call_list as $index) {
- $function_name = $tokens[$index++];
- $parens = $tokens[$index++];
- $first_param = $tokens[$index++];
- $next_token = $tokens[$index];
- if ($parens == "(") {
- if (in_array($next_token, array(")", ","))
- && (is_array($first_param) && ($first_param[0] == T_CONSTANT_ENCAPSED_STRING))) {
- $message = self::_escape_quoted_string($first_param[1]);
- l10n_scanner::process_message($message, $cache);
- } else {
- if (is_array($first_param) && ($first_param[0] == T_CONSTANT_ENCAPSED_STRING)) {
- // Malformed string literals; escalate this
- $errors[$first_param[2]] =
- var_export(array($function_name, $parens, $first_param, $next_token), 1);
- } else {
- // t() found, but inside is something which is not a string literal. That's fine.
- }
- }
- }
- }
- return $errors;
- }
- private static function _parse_plural_calls(&$tokens, &$call_list, &$cache) {
- $errors = array();
- foreach ($call_list as $index) {
- $function_name = $tokens[$index++];
- $parens = $tokens[$index++];
- $first_param = $tokens[$index++];
- $first_separator = $tokens[$index++];
- $second_param = $tokens[$index++];
- $next_token = $tokens[$index];
- if ($parens == "(") {
- if ($first_separator == "," && $next_token == ","
- && is_array($first_param) && $first_param[0] == T_CONSTANT_ENCAPSED_STRING
- && is_array($second_param) && $second_param[0] == T_CONSTANT_ENCAPSED_STRING) {
- $singular = self::_escape_quoted_string($first_param[1]);
- $plural = self::_escape_quoted_string($second_param[1]);
- l10n_scanner::process_message(array("one" => $singular, "other" => $plural), $cache);
- } else {
- if (is_array($first_param) && $first_param[0] == T_CONSTANT_ENCAPSED_STRING) {
- $errors[$first_param[2]] = var_export(
- array($function_name, $parens, $first_param,
- $first_separator, $second_param, $next_token), 1);
- } else {
- // t2() found, but inside is something which is not a string literal. That's fine.
- }
- }
- }
- }
- return $errors;
- }
- /**
- * Escape quotes in a strings depending on the surrounding
- * quote type used.
- *
- * @param $str The strings to escape
- */
- private static function _escape_quoted_string($str) {
- $quo = substr($str, 0, 1);
- $str = substr($str, 1, -1);
- if ($quo == '"') {
- $str = stripcslashes($str);
- } else {
- $str = strtr($str, array("\\'" => "'", "\\\\" => "\\"));
- }
- return $str;
- }
- }