lib/joe/container.lib.php

   1 <?php
   2 function __autoload($class_name) {
   3             require_once strtolower($class_name).'.lib.php';
   4 }
   5
   6 abstract class Container {
   7         var $sID;
   8         var $aAttributes;
   9         var $aContents;
  10         function __construct($id=null,$attributes=array(),$contents=array()) {
  11                 $this->sID = $id;
  12                 if (is_array($attributes)) {
  13                         $this->aAttributes = $attributes;
  14                 }
  15                 if (is_array($contents))
  16                         $this->aContents = $contents;
  17                 else
  18                         $this->add($contents);
  19         }
  20     function __get($nm) {
  21         if (isset($this->aAttributes[$nm])) {
  22             $r = $this->aAttributes[$nm];
  23             return $r;
  24         }
  25     }
  26     function __set($nm, $val) {
  27         //      if (isset($this->aAttributes[$nm])) {
  28                         $this->aAttributes[$nm] = $val;
  29         //      }
  30     }
  31     function __isset($nm) {
  32         return isset($this->aAttributes[$nm]);
  33     }
  34     function __unset($nm) {
  35         unset($this->aAttributes[$nm]);
  36     }
  37
  38         function add($obj) { $this->aContents[] = $obj; }
  39         function set($obj) { $this->aContents = array($obj); }
  40         function get_id() { return $this->sID; }
  41         function has_id() { return !is_null($this->sID); }
  42         function has_attributes() { return count($this->aAttributes); }
  43         function get_attributes() { return $this->aAttributes; }
  44         function get_contents() { return $this->aContents; }
  45
  46         protected function paint_head() {
  47                 if ($this->has_id()) {
  48                         if ($this->has_attributes()) {
  49                                 return sprintf("<%s %s>", strtolower($this->get_id()), $this->paint_attributes());
  50                         } else {
  51                                 return sprintf("<%s>", strtolower($this->get_id()));
  52                         }
  53                 }
  54         }
  55         protected function paint_attributes() {
  56                 $r = array();
  57                 foreach($this->get_attributes() as $k=>$v) {
  58                         $k = strtolower($k);
  59                         if (is_string($v)) {
  60                                 $r[] = "$k=\"$v\"";
  61                         } elseif (is_object($v)) {
  62                                 $r[] = "$k=\"".$v->__toString()."\"";
  63                         }
  64                 }
  65                 return implode(' ',$r);
  66         }
  67         protected function paint_foot() {
  68                 if ($this->has_id())
  69                         return sprintf("</%s>", strtolower($this->get_id()));
  70         }
  71         protected function paint_contents($split='') {
  72                 $r = array();
  73                 foreach($this->get_contents() as $item) {
  74                         if (is_string($item) && is_callable($item)) {
  75                                 $args = func_get_args();
  76                                 $r[] = ''.call_user_func($item,$args);
  77                         } elseif (is_object($item)) {
  78                                 $r[] = ''.$item->__toString();
  79                         } elseif (is_string($item)) {
  80                                 $r[] = ''.$item;
  81                         }
  82                 }
  83                 return implode($split,$r);
  84         }
  85         function __toString() {
  86                 return $this->paint_head().$this->paint_contents().$this->paint_foot();
  87         }
  88 }
  89
  90 class Entity extends Container {}