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<?php /* vim: set expandtab tabstop=4 shiftwidth=4: */ // +----------------------------------------------------------------------+ // | PHP Version 4 | // +----------------------------------------------------------------------+ // | Copyright (c) 1997-2002 The PHP Group | // +----------------------------------------------------------------------+ // | This source file is subject to version 2.02 of the PHP license, | // | that is bundled with this package in the file LICENSE, and is | // | available at through the world-wide-web at | // | http://www.php.net/license/2_02.txt. | // | If you did not receive a copy of the PHP license and are unable to | // | obtain it through the world-wide-web, please send a note to | // | license@php.net so we can mail you a copy immediately. | // +----------------------------------------------------------------------+ // | Authors: nobody <nobody@localhost> | // +----------------------------------------------------------------------+ // // $Id: Plugin.php 315533 2011-08-26 02:39:02Z alan_k $ // // Plugin API provides support for < ? = $this->plugin(".....",.....); ? > // or {this.plugin(#xxxxx#,#xxxx#):h} // // BASICALLY THIS IS SAVANT'S PLUGIN PROVIDER. // @author Paul M. Jones <pmjones@ciaweb.net> class HTML_Template_Flexy_Plugin { /** * reference to main engine.. * * @var object HTML_Template_Flexy * @access public */ var $flexy; // reference to flexy. var $pluginCache = array(); // store of instanced plugins.. /** * Call a Plugin method. * * Look up in all the plugins to see if the method exists, if it does, call it. * * * @param array name of method, arguments. * * * @return string hopefully * @access public */ function call($args) { $method = $args[0]; // attempt to load the plugin on-the-fly $class = $this->_loadPlugins($method); if (is_object($class) && is_a($class,'PEAR_Error')) { //echo $class->toString(); return $class->toString(); } // first argument is always the plugin name; shift the first // argument off the front of the array and reduce the number of // array elements. array_shift($args); return call_user_func_array(array(&$this->plugins[$class],$method), $args); } /** * Load the plugins, and lookup which one provides the required method * * * @param string Name * * @return string|PEAR_Error the class that provides it. * @access private */ function _loadPlugins($name) { // name can be: // ahref = maps to {class_prefix}_ahref::ahref $this->plugins = array(); if (empty($this->plugins)) { foreach ($this->flexy->options['plugins'] as $cname=>$file) { if (!is_int($cname)) { include_once $file; $this->plugins[$cname] = new $cname; $this->plugins[$cname]->flexy = &$this->flexy; continue; } $cname = $file; require_once 'HTML/Template/Flexy/Plugin/'. $cname . '.php'; $class = "HTML_Template_Flexy_Plugin_{$cname}"; $this->plugins[$class] = new $class; $this->plugins[$class]->flexy = &$this->flexy; } } foreach ($this->plugins as $class=>$o) { //echo "checking :". get_class($o). ":: $name\n"; if (is_callable(array($o,$name),true)) { return $class; } } return HTML_Template_Flexy::raiseError("could not find plugin with method: '$name'"); } }
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