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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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