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153 lines
4.7 KiB
153 lines
4.7 KiB
<?php
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// +---------------------------------------------------------------------------+
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// | This file is part of the core package. |
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// | Copyright (c) laiketui.com |
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// | |
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// | For the full copyright and license information, please view the LICENSE |
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// | file that was distributed with this source code. You can also view the |
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// | LICENSE file online at http://www.laiketui.com |
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// +---------------------------------------------------------------------------+
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/**
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* RootConfigHandler allows you to specify configuration handlers for the
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* application or on a module level.
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*
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* @package laiketui
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* @subpackage config
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*
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* @author ketter (ketter@laiketui.com)
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* @since 3.0.0
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*/
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class RootConfigHandler extends IniConfigHandler
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{
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// +-----------------------------------------------------------------------+
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// | METHODS |
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// +-----------------------------------------------------------------------+
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/**
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* Execute this configuration handler.
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*
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* @param string An absolute filesystem path to a configuration file.
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*
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* @return string Data to be written to a cache file.
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*
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* @throws <b>ConfigurationException</b> If a requested configuration file
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* does not exist or is not readable.
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* @throws <b>ParseException</b> If a requested configuration file is
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* improperly formatted.
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*
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* @author ketter (ketter@laiketui.com)
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* @since 3.0.0
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*/
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public function & execute ($config)
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{
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// parse the ini
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$ini = $this->parseIni($config);
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// determine if we're loading the system config_handlers.ini or a module
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// config_handlers.ini
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$moduleLevel = ($this->getParameter('module_level') === true)
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? true : false;
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if ($moduleLevel)
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{
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// get the current module name
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$moduleName = $this->getParameter('module_name');
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}
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// init our data and includes arrays
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$data = array();
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$includes = array();
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// let's do our fancy work
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foreach ($ini as $category => &$keys)
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{
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if ($moduleLevel)
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{
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// module-level registration, so we must prepend the module
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// root to the category
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$category = 'modules/' . $moduleName . '/' .
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$category;
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}
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if (!isset($keys['class']))
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{
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// missing class key
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$error = 'Configuration file "%s" specifies category ' .
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'"%s" with missing class key';
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$error = sprintf($error, $config, $category);
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throw new ParseException($error);
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}
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$class =& $keys['class'];
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if (isset($keys['file']))
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{
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// we have a file to include
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$file =& $keys['file'];
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$file = $this->replaceConstants($file);
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$file = $this->replacePath($file);
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if (!is_readable($file))
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{
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// handler file doesn't exist
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$error = 'Configuration file "%s" specifies class "%s" ' .
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'with nonexistent or unreadable file "%s"';
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$error = sprintf($error, $config, $class, $file);
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throw new ParseException($error);
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}
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// append our data
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$tmp = "require_once('%s');";
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$includes[] = sprintf($tmp, $file);
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}
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// parse parameters
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$parameters =& ParameterParser::parse($keys);
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// append new data
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$tmp = "self::\$handlers['%s'] = new %s();";
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$data[] = sprintf($tmp, $category, $class);
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if ($parameters != 'null')
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{
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// since we have parameters we will need to init the handler
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$tmp = "self::\$handlers['%s']->initialize(%s);";
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$data[] = sprintf($tmp, $category, $parameters);
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}
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}
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// compile data
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$retval = "<?php\n" .
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"// auth-generated by RootConfigHandler\n" .
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"// date: %s\n%s\n%s\n?>";
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$retval = sprintf($retval, date('m/d/Y H:i:s'),
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implode("\n", $includes), implode("\n", $data));
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return $retval;
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}
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}
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?>
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