initial commit

lib/symfony/config/sfCompileConfigHandler.class.php

@@ -0,0 +1,113 @@
+<?php
+
+/*
+ * This file is part of the symfony package.
+ * (c) 2004-2006 Fabien Potencier <fabien.potencier@symfony-project.com>
+ * (c) 2004-2006 Sean Kerr.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * sfCompileConfigHandler gathers multiple files and puts them into a single file.
+ * Upon creation of the new file, all comments and blank lines are removed.
+ *
+ * @package    symfony
+ * @subpackage config
+ * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
+ * @author     Sean Kerr <skerr@mojavi.org>
+ * @version    SVN: $Id: sfCompileConfigHandler.class.php 5061 2007-09-13 06:49:52Z fabien $
+ */
+class sfCompileConfigHandler extends sfYamlConfigHandler
+{
+  /**
+   * Executes this configuration handler.
+   *
+   * @param array An array of absolute filesystem path to a configuration file
+   *
+   * @return string Data to be written to a cache file
+   *
+   * @throws sfConfigurationException If a requested configuration file does not exist or is not readable
+   * @throws sfParseException If a requested configuration file is improperly formatted
+   */
+  public function execute($configFiles)
+  {
+    // parse the yaml
+    $config = array();
+    foreach ($configFiles as $configFile)
+    {
+      $config = array_merge($config, $this->parseYaml($configFile));
+    }
+
+    // init our data
+    $data = '';
+
+    // let's do our fancy work
+    foreach ($config as $file)
+    {
+      $file = $this->replaceConstants($file);
+      $file = $this->replacePath($file);
+
+      if (!is_readable($file))
+      {
+        // file doesn't exist
+        $error = sprintf('Configuration file "%s" specifies nonexistent or unreadable file "%s"', $configFiles[0], $file);
+        throw new sfParseException($error);
+      }
+
+      $contents = file_get_contents($file);
+
+      // strip comments (not in debug mode)
+      if (!sfConfig::get('sf_debug'))
+      {
+        $contents = sfToolkit::stripComments($contents);
+      }
+
+      // insert configuration files
+      $contents = preg_replace_callback(array('#(require|include)(_once)?\((sfConfigCache::getInstance\(\)|\$configCache)->checkConfig\([^_]+sf_app_config_dir_name[^\.]*\.\'/([^\']+)\'\)\);#m',
+                                          '#()()(sfConfigCache::getInstance\(\)|\$configCache)->import\(.sf_app_config_dir_name\.\'/([^\']+)\'(, false)?\);#m'),
+                                        array($this, 'insertConfigFileCallback'), $contents);
+
+      // strip php tags
+      $contents = sfToolkit::pregtr($contents, array('/^\s*<\?(php)?/m' => '',
+                                                     '/^\s*\?>/m'       => ''));
+
+      // replace windows and mac format with unix format
+      $contents = str_replace("\r",  "\n", $contents);
+
+      // replace multiple new lines with a single newline
+      $contents = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $contents);
+
+      // append file data
+      $data .= "\n".$contents;
+    }
+
+    // compile data
+    $retval = sprintf("<?php\n".
+                      "// auto-generated by sfCompileConfigHandler\n".
+                      "// date: %s\n%s\n",
+                      date('Y/m/d H:i:s'), $data);
+
+    // save current symfony release
+    file_put_contents(sfConfig::get('sf_config_cache_dir').'/VERSION', file_get_contents(sfConfig::get('sf_symfony_lib_dir').'/VERSION'));
+
+    return $retval;
+  }
+
+  /**
+   * Callback for configuration file insertion in the cache.
+   *
+   */
+  protected function insertConfigFileCallback($matches)
+  {
+    $configFile = sfConfig::get('sf_app_config_dir_name').'/'.$matches[4];
+
+    sfConfigCache::getInstance()->checkConfig($configFile);
+
+    $config = "// '$configFile' config file\n".
+              file_get_contents(sfConfigCache::getInstance()->getCacheName($configFile));
+
+    return $config;
+  }
+}