1. sfDefineEnvironmentConfigHandler.class.php
  2. /**
 *
 * @package    symfony
 * @subpackage config
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfDefineEnvironmentConfigHandler.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
 */
  3. class sfDefineEnvironmentConfigHandler extends sfYamlConfigHandler
  4. {
  5.   /**
  6.    * Executes this configuration handler.
  7.    *
  8.    * @param string $configFiles An absolute filesystem path to a configuration file
  9.    *
  10.    * @return string Data to be written to a cache file
  11.    *
  12.    * @throws sfConfigurationException If a requested configuration file does not exist or is not readable
  13.    * @throws sfParseException If a requested configuration file is improperly formatted
  14.    */
  15.   public function execute($configFiles)
  16.   {
  17.     // get our prefix
  18.     $prefix = strtolower($this->getParameterHolder()->get('prefix', ''));
  20.     // add module prefix if needed
  21.     if ($this->getParameterHolder()->get('module', false))
  22.     {
  23.       $wildcardValues = $this->getParameterHolder()->get('wildcardValues');
  24.       // either the module name is in wildcard values, or it needs to be inserted on runtime
  25.       $moduleName = $wildcardValues ? strtolower($wildcardValues[0]) : "'.strtolower(\$moduleName).'";
  26.       $prefix .= $moduleName."_";
  27.     }
  29.     // parse the yaml
  30.     $config = self::getConfiguration($configFiles);
  32.     $values = array();
  33.     foreach ($config as $category => $keys)
  34.     {
  35.       $values = array_merge($values, $this->getValues($prefix, $category, $keys));
  36.     }
  38.     $data = '';
  39.     foreach ($values as $key => $value)
  40.     {
  41.       $data .= sprintf("  '%s' => %s,\n", $key, var_export($value, true));
  42.     }
  44.     // compile data
  45.     $retval = '';
  46.     if ($values)
  47.     {
  48.       $retval = "<?php\n".
  49.                 "// auto-generated by sfDefineEnvironmentConfigHandler\n".
  50.                 "// date: %s\nsfConfig::add(array(\n%s));\n";
  51.       $retval = sprintf($retval, date('Y/m/d H:i:s'), $data);
  52.     }
  54.     return $retval;
  55.   }
  57.   /**
  58.    * Gets values from the configuration array.
  59.    *
  60.    * @param string $prefix   The prefix name
  61.    * @param string $category The category name
  62.    * @param mixed  $keys      The key/value array
  63.    *
  64.    * @return array The new key/value array
  65.    */
  66.   protected function getValues($prefix, $category, $keys)
  67.   {
  68.     if (!is_array($keys))
  69.     {
  70.       list($key, $value) = $this->fixCategoryValue($prefix.strtolower($category), '', $keys);
  72.       return array($key => $value);
  73.     }
  75.     $values = array();
  77.     $category = $this->fixCategoryName($category, $prefix);
  79.     // loop through all key/value pairs
  80.     foreach ($keys as $key => $value)
  81.     {
  82.       list($key, $value) = $this->fixCategoryValue($category, $key, $value);
  83.       $values[$key] = $value;
  84.     }
  86.     return $values;
  87.   }
  89.   /**
  90.    * Fixes the category name and replaces constants in the value.
  91.    *
  92.    * @param string $category The category name
  93.    * @param string $key      The key name
  94.    * @param string $value    The value
  95.    *
  96.    * @return string Return the new key and value
  97.    */
  98.   protected function fixCategoryValue($category, $key, $value)
  99.   {
  100.     return array($category.$key, $value);
  101.   }
  103.   /**
  104.    * Fixes the category name.
  105.    *
  106.    * @param string $category The category name
  107.    * @param string $prefix   The prefix
  108.    *
  109.    * @return string The fixed category name
  110.    */
  111.   protected function fixCategoryName($category, $prefix)
  112.   {
  113.     // categories starting without a period will be prepended to the key
  114.     if ($category[0] != '.')
  115.     {
  116.       $category = $prefix.$category.'_';
  117.     }
  118.     else
  119.     {
  120.       $category = $prefix;
  121.     }
  123.     return $category;
  124.   }
  126.   /**
  127.    * @see sfConfigHandler
  128.    */
  129.   static public function getConfiguration(array $configFiles)
  130.   {
  131.     return self::replaceConstants(self::flattenConfigurationWithEnvironment(self::parseYamls($configFiles)));
  132.   }
  133. }
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