/b2b/core/include/plugin.php

<?php
include_once('shopObject.php');
define(LOWER_CASE,1);
define(UPPER_CASE,2);
class plugin extends shopObject{

    var $plugin_type=null;
    var $plugin_name=null;
    var $_plugin_obj = null;

    function getType(){
        return array(
            'payment'=>array('text'=>'????','type'=>'file','prefix'=>'pay.','case'=>LOWER_CASE),
//      'shipping'=>array('text'=>'????','type'=>'file','prefix'=>'ship.'),
            'dataio'=>array('text'=>'????','type'=>'file','prefix'=>'io.'),
            'messenger'=>array('text'=>'????','type'=>'dir','prefix'=>'messenger.'),
            'passport'=>array('text'=>'????','type'=>'file','prefix'=>'passport.'),
            'pmtScheme'=>array('text'=>'????','type'=>'file','prefix'=>'pmt.'),
            'schema'=>array('text'=>'????','type'=>'dir','prefix'=>'schema.'),
//      'hooks'=>array('text'=>'????','type'=>'file','prefix'=>'hook.'),
            'functions'=>array('text'=>'????','type'=>'func','prefix'=>''),
        );
    }

    function getFile($item) {

        $file_name = ($this->plugin_type=='dir')?
            PLUGIN_DIR.'/'.$this->plugin_name.'/'.$item.'/'.($this->prefix!==false?$this->prefix:$this->plugin_name).$item.'.php':
            PLUGIN_DIR.'/'.$this->plugin_name.'/'.($this->prefix!==false?$this->prefix:$this->plugin_name).$item.'.php';

        if (is_file($file_name)) {
            return $file_name;
        }else{
            return false;
        }
    }

    function _getClassName($item) {
        return preg_replace('/[\.-]+/','_',($this->prefix?$this->prefix:$this->plugin_name).$item);
    }

    function &load($item){

        if (!$this->_plugin_obj[$item]) {

            if ($file_name = $this->getFile($item)){
                include_once($file_name);
                $className = $this->_getClassName($item);
                $obj = new $className;
                return $obj;
            }else{
                trigger_error('plugin file error', E_USER_ERROR);
            }
        }
        return $this->_plugin_obj[$item];
    }

    function getHeader($file){
        if (($code = file_get_contents($file)) !== false) {
            $tokens = token_get_all ($code);
            foreach ($tokens as $token){
                if (is_array ($token)) {
                    list ($type, $text) = $token;
                    switch ($type) {
                    case T_VARIABLE:
                    case T_FUNCTION:
                    case T_NEW:
                    case T_CLASS:
                    case T_VAR:
                        return $result;
                    case T_STRING:
                    case T_WHITESPACE:
                        break;
                    case T_COMMENT:
                    case T_ML_COMMENT:
                    case 366:
                        $result .= $text;
                        break;
                    }
                }
            }
            return $result;
        }
    }

    function getParams($item, $ifMethods=true,$withDesc = false){
        $t = array('name'=>$item);
        $file = $this->getFile($item);
        include_once($file);
        $className = $this->_getClassName($item);
        $t['class'] = $className;
        if(class_exists($className)){
            $o = new $className;
            $t =array_merge($t, get_object_vars($o));
            if ($ifMethods) {
                $t['methods'] = get_class_methods($className);
            }

            //for PHP4/PHP5 Compatibility
            $t['hasOptions'] = in_array('getoptions',$t['methods'])||in_array('getOptions',$t['methods']);
            if(in_array('extravars',$t['methods'])||in_array('extraVars',$t['methods'])){
                $obj = new $className;
                $t = array_merge($t,$obj->extraVars());
            }
        }
        if($withDesc){
            $t['desc'] = $this->getHeader($file);
        }
        return $t;
    }

    function filter($el){
        foreach ($this->_filter as $k => $v) {
            settype($v, 'array');
            foreach ($v as $v1) {
                if (isset($el[$k]) && $el[$k]==$v1) {
                    return true;
                }
            }

        }
        return false;
    }

    function getList($filter=array(), $ifMethods=true,$withDesc=false){
        $handle = opendir(PLUGIN_DIR.'/'.$this->plugin_name);
        $t = array();

        while(false!==($file=readdir($handle))){
            if($file{0} != '.') {
                    if($this->plugin_case==LOWER_CASE){
                        if($file!=strtolower($file)){
                            continue;
                        }
                    }elseif($this->plugin_case==UPPER_CASE){
                        if($file!=strtoupper($file)){
                            continue;
                        }
                    }
                $params = null;
                if ($this->plugin_type=='dir') {
                    $item = $file;
                    if(is_dir(PLUGIN_DIR.'/'.$this->plugin_name.'/'.$file) && $this->getFile($item)){
                        $params = $this->getParams($item, $ifMethods,$withDesc);
                    }
                }else{ //file

                    if(preg_match('/^'.($this->prefix!==false?str_replace('.','\.',$this->prefix):$this->plugin_name).'([a-z0-9\_]+)\.php/i',$file, $match)) {
                        $item = $match[1];
                        $params = $this->getParams($item, $ifMethods,$withDesc);
                        $params['item'] = $item;
                    }
                }
                if($params){
                    $params['file'] = 'plugins/'.$this->plugin_name.'/'.$file;
                    $t[$item] = $params;
                }
            }
        }
        closedir($handle);
        ksort($t);
        if($filter) {
            $this->_filter = $filter;
            return array_filter($t,array(&$this, 'filter'));
        }else{
            return $t;
        }
    }

    function getOptions($item,$valueOnly = false){
        $obj = $this->load($item);
        if(method_exists($obj,'getOptions')||method_exists($obj,'getoptions')){
            $options = $obj->getOptions();            foreach($options as $key=>$value){
                $v = $this->system->getConf('plugin.'.$this->plugin_name.'.'.$item.'.config.'.$key);
                if($valueOnly){
                    $options[$key] = (is_null($v))?$options[$key]:$v;
                }else{
                    $options[$key]['value'] = (is_null($v))?$options[$key]['value']:$v;
                }
            }
            return $options;
        }
    }
    function saveCfg($type,$data){
        foreach($data as $key=>$value){
            $this->system->setConf('plugin.'.$this->plugin_name.'.'.$type.'.config.'.$key,$value);
        }
        return true;
    }

}
?>