git.dj3c1t.com Git - mtweb/blob - web/app/data/impl/mw_xml.php

   1 <?php
   2
   3   class mw_xml{
   4
   5     var $host;
   6     var $base;
   7     var $user;
   8     var $password;
   9
  10     var $EXTENTION_OK;
  11
  12     var $xml_data;
  13
  14     var $data_handlers;
  15     var $last_data_handler;
  16
  17     function mw_xml($host, $base, $user, $password){
  18       $this->init_xml_env($host, $base, $user, $password);
  19       $this->EXTENTION_OK = true;
  20     }
  21
  22     function extention_ok(&$env){
  23       if($this->EXTENTION_OK){
  24         if(
  25              file_exists($env->app_file("data/impl/xml/mw_xml_data.php"))
  26           && file_exists($env->app_file("data/impl/xml/mw_xml_data_handler.php"))
  27         ){
  28           require $env->app_file("data/impl/xml/mw_xml_data.php");
  29           require $env->app_file("data/impl/xml/mw_xml_data_handler.php");
  30           if(
  31                class_exists("mw_xml_data")
  32             && class_exists("mw_xml_data_handler")
  33           ){
  34             $this->xml_data = new mw_xml_data($this->host, $this->base);
  35           }
  36           else $this->EXTENTION_OK = false;
  37         }
  38         else $this->EXTENTION_OK = false;
  39       }
  40       return $this->EXTENTION_OK;
  41     }
  42
  43     function init_xml_env($host, $base, $user, $password){
  44       $this->host = $host.($host && substr($host, -1) != "/" ? "/" : "");
  45       $this->base = $base.($base && substr($base, -1) != "/" ? "/" : "");
  46       $this->user = $user;
  47       $this->password = $password;
  48       $this->data_handlers = array();
  49       $this->last_data_handler = 0;
  50     }
  51
  52     function connect($host, $base, $user, $password){
  53       if($host.$base && is_dir($host.$base) && is_writable($host.$base)){
  54         $this->init_xml_env($host, $base, $user, $password);
  55         $this->xml_data = new mw_xml_data($this->host, $this->base);
  56         return true;
  57       }
  58       return null;
  59     }
  60
  61     function select_db($base){
  62       $this->base = $base.($base && substr($base, -1) != "/" ? "/" : "");
  63       return $this->connect($this->host, $this->base, $this->user, $this->password);
  64     }
  65
  66     function data_exists($data_path){
  67       return is_dir($this->host.$this->base.$data_path);
  68     }
  69
  70     function create_data($data_path){
  71       if(!is_dir($this->host.$this->base.$data_path)) @mkdir($this->host.$this->base.$data_path);
  72       if(is_dir($this->host.$this->base.$data_path)){
  73         if($dh = $this->open_data($data_path, false)){
  74           $this->close_data($dh);
  75           return true;
  76         }
  77       }
  78       return null;
  79     }
  80
  81     function get_data($data_path, $data_id){
  82       $dh = ++$this->last_data_handler;
  83       $this->data_handlers[$dh] = new mw_xml_data_handler($this->xml_data, $data_path);
  84       if($this->data_handlers[$dh]->open_data(false)){
  85         $res = $this->data_handlers[$dh]->get_data($data_id);
  86         $this->close_data($dh);
  87         return $res;
  88       }
  89       return null;
  90     }
  91
  92     function open_data($data_path, $FETCH = true){
  93       $dh = ++$this->last_data_handler;
  94       $this->data_handlers[$dh] = new mw_xml_data_handler($this->xml_data, $data_path);
  95       if($this->data_handlers[$dh]->open_data($FETCH)){
  96         return $dh;
  97       }
  98       $this->close_data($dh);
  99       return null;
 100     }
 101
 102     function fetch_data($dh){
 103       if(isset($this->data_handlers[$dh])){
 104         return $this->data_handlers[$dh]->fetch_assoc();
 105       }
 106       return false;
 107     }
 108
 109     function add_data($data_path, $data){
 110       $dh = ++$this->last_data_handler;
 111       $this->data_handlers[$dh] = new mw_xml_data_handler($this->xml_data, $data_path);
 112       if($this->data_handlers[$dh]->open_data(false)){
 113         $res = $this->data_handlers[$dh]->add_data($data);
 114         if($res) $res = $this->last_index($dh);
 115         $this->close_data($dh);
 116         return $res;
 117       }
 118       return null;
 119     }
 120
 121     function last_index($dh){
 122       if(isset($this->data_handlers[$dh])){
 123         return $this->data_handlers[$dh]->last_index;
 124       }
 125       return null;
 126     }
 127
 128     function set_data($data_path, $data_id, $data){
 129       $dh = ++$this->last_data_handler;
 130       $this->data_handlers[$dh] = new mw_xml_data_handler($this->xml_data, $data_path);
 131       if($this->data_handlers[$dh]->open_data(false)){
 132         $res = $this->data_handlers[$dh]->set_data($data_id.".xml", $data);
 133         $this->close_data($dh);
 134         return $res;
 135       }
 136       return null;
 137     }
 138
 139     function del_data($data_path, $data_id){
 140       $dh = ++$this->last_data_handler;
 141       $this->data_handlers[$dh] = new mw_xml_data_handler($this->xml_data, $data_path);
 142       if($this->data_handlers[$dh]->open_data(false)){
 143         $res = $this->data_handlers[$dh]->del_data($data_id.".xml");
 144         $this->close_data($dh);
 145         return $res;
 146       }
 147       return null;
 148     }
 149
 150     function close_data($dh){
 151       if(isset($this->data_handlers[$dh])){
 152         $this->data_handlers[$dh]->close_data();
 153         unset($this->data_handlers[$dh]);
 154       }
 155     }
 156
 157     function remove_data($data_path){
 158       $OK = strlen($data_path) > 0;
 159       if($OK && is_dir($this->host.$this->base.$data_path) && is_writable($this->host.$this->base.$data_path)){
 160         $data_path .= substr($data_path, -1) == "/" ? "" : "/";
 161         if($dh = opendir($this->host.$this->base.$data_path)){
 162           while($OK && ($file = readdir($dh)) !== false){
 163             if(is_dir($this->host.$this->base.$data_path.$file)){
 164               if($file != "." && $file != "..") $OK = $this->remove_data($data_path.$file);
 165             }
 166             else $OK = @unlink($this->host.$this->base.$data_path.$file);
 167           }
 168           closedir($dh);
 169         }
 170         else $OK = null;
 171       }
 172       else $OK = null;
 173       if($OK) @rmdir($this->host.$this->base.$data_path);
 174       return $OK;
 175     }
 176
 177   }
 178
 179 ?>