diff options
Diffstat (limited to 'plugins/Irc/extlib/phergie/Phergie/Config.php')
-rwxr-xr-x | plugins/Irc/extlib/phergie/Phergie/Config.php | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/plugins/Irc/extlib/phergie/Phergie/Config.php b/plugins/Irc/extlib/phergie/Phergie/Config.php new file mode 100755 index 000000000..c182f2ac1 --- /dev/null +++ b/plugins/Irc/extlib/phergie/Phergie/Config.php @@ -0,0 +1,186 @@ +<?php +/** + * Phergie + * + * PHP version 5 + * + * LICENSE + * + * This source file is subject to the new BSD license that is bundled + * with this package in the file LICENSE. + * It is also available through the world-wide-web at this URL: + * http://phergie.org/license + * + * @category Phergie + * @package Phergie + * @author Phergie Development Team <team@phergie.org> + * @copyright 2008-2010 Phergie Development Team (http://phergie.org) + * @license http://phergie.org/license New BSD License + * @link http://pear.phergie.org/package/Phergie + */ + +/** + * Reads from and writes to PHP configuration files and provides access to + * the settings they contain. + * + * @category Phergie + * @package Phergie + * @author Phergie Development Team <team@phergie.org> + * @license http://phergie.org/license New BSD License + * @link http://pear.phergie.org/package/Phergie + */ +class Phergie_Config implements ArrayAccess +{ + /** + * Mapping of configuration file paths to an array of names of settings + * they contain + * + * @var array + */ + protected $files = array(); + + /** + * Mapping of setting names to their current corresponding values + * + * @var array + */ + protected $settings = array(); + + /** + * Includes a specified PHP configuration file and incorporates its + * return value (which should be an associative array) into the current + * configuration settings. + * + * @param string $file Path to the file to read + * + * @return Phergie_Config Provides a fluent interface + * @throws Phergie_Config_Exception + */ + public function read($file) + { + if (!(strtoupper(substr(PHP_OS, 0, 3)) === 'WIN' + && file_exists($file)) + && !is_executable($file) + ) { + throw new Phergie_Config_Exception( + 'Path "' . $file . '" does not reference an executable file', + Phergie_Config_Exception::ERR_FILE_NOT_EXECUTABLE + ); + } + + $settings = include $file; + if (!is_array($settings)) { + throw new Phergie_Config_Exception( + 'File "' . $file . '" does not return an array', + Phergie_Config_Exception::ERR_ARRAY_NOT_RETURNED + ); + } + + $this->files[$file] = array_keys($settings); + $this->settings += $settings; + + return $this; + } + + /** + * Merges an associative array of configuration setting values into the + * current configuration settings. + * + * @param array $settings Associative array of configuration setting + * values keyed by setting name + * + * @return Phergie_Config Provides a fluent interface + */ + public function readArray(array $settings) + { + $this->settings += $settings; + + return $this; + } + + /** + * Writes the values of the current configuration settings back to their + * originating files. + * + * @return Phergie_Config Provides a fluent interface + */ + public function write() + { + foreach ($this->files as $file => &$settings) { + $values = array(); + foreach ($settings as $setting) { + $values[$setting] = $this->settings[$setting]; + } + $source = '<?php' . PHP_EOL . PHP_EOL . + 'return ' . var_export($value, true) . ';'; + file_put_contents($file, $source); + } + } + + /** + * Checks to see if a configuration setting is assigned a value. + * + * @param string $offset Configuration setting name + * + * @return bool TRUE if the setting has a value, FALSE otherwise + * @see ArrayAccess::offsetExists() + */ + public function offsetExists($offset) + { + return isset($this->settings[$offset]); + } + + /** + * Returns the value of a configuration setting. + * + * @param string $offset Configuration setting name + * + * @return mixed Configuration setting value or NULL if it is not + * assigned a value + * @see ArrayAccess::offsetGet() + */ + public function offsetGet($offset) + { + if (isset($this->settings[$offset])) { + $value = &$this->settings[$offset]; + } else { + $value = null; + } + + return $value; + } + + /** + * Sets the value of a configuration setting. + * + * @param string $offset Configuration setting name + * @param mixed $value New setting value + * + * @return void + * @see ArrayAccess::offsetSet() + */ + public function offsetSet($offset, $value) + { + $this->settings[$offset] = $value; + } + + /** + * Removes the value set for a configuration setting. + * + * @param string $offset Configuration setting name + * + * @return void + * @see ArrayAccess::offsetUnset() + */ + public function offsetUnset($offset) + { + unset($this->settings[$offset]); + + foreach ($this->files as $file => $settings) { + $key = array_search($offset, $settings); + if ($key !== false) { + unset($this->files[$file][$key]); + } + } + } +} |