1: <?php
 2: /*
 3:  * Copyright (c) 2014 @trashtoy
 4:  * https://github.com/trashtoy/
 5:  * 
 6:  * Permission is hereby granted, free of charge, to any person obtaining a copy of
 7:  * this software and associated documentation files (the "Software"), to deal in
 8:  * the Software without restriction, including without limitation the rights to use,
 9:  * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
10:  * Software, and to permit persons to whom the Software is furnished to do so,
11:  * subject to the following conditions:
12:  * 
13:  * The above copyright notice and this permission notice shall be included in all
14:  * copies or substantial portions of the Software.
15:  * 
16:  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17:  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
18:  * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
19:  * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
20:  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21:  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22:  */
23: /**
24:  * PHP class file.
25:  * @auhtor trashtoy
26:  * @since  2.0.0
27:  */
28: namespace Peach\Markup;
29: 
30: /**
31:  * 内部に子ノードを含めることができる要素です.
32:  * 子ノードが存在しない場合は "<tag></tag>" のように書式化されます.
33:  * 
34:  * HTML の SCRIPT 要素などはこのクラスを使って表現します.
35:  */
36: class ContainerElement extends Element implements Container
37: {
38:     /**
39:      * この要素に登録されている子ノードの一覧です.
40:      * @var NodeList
41:      */
42:     private $childNodes;
43:     
44:     /**
45:      * 指定された要素名を持つコンテナ要素を構築します.
46:      * 
47:      * @param string $name 要素名
48:      */
49:     public function __construct($name)
50:     {
51:         parent::__construct($name);
52:         $this->childNodes = new NodeList(null, $this);
53:     }
54:     
55:     /**
56:      * この要素に子ノードを追加します.
57:      * 
58:      * @param  mixed $var 追加する値
59:      * @throws \InvalidArgumentException 指定されたノードの中にこのノードが存在している場合
60:      */
61:     public function appendNode($var)
62:     {
63:         $this->childNodes->appendNode($var);
64:     }
65:     
66:     /**
67:      * すべての子ノードを配列で返します.
68:      * @return array Node の配列
69:      */
70:     public function getChildNodes()
71:     {
72:         return $this->childNodes->getChildNodes();
73:     }
74:     
75:     /**
76:      * 指定された Context にこのノードを処理させます.
77:      * {@link Context::handleContainerElement()} を呼び出します.
78:      * @param Context $context このノードを処理する Context
79:      */
80:     public function accept(Context $context)
81:     {
82:         $context->handleContainerElement($this);
83:     }
84:     
85:     /**
86:      * この要素が持つ子要素の個数を返します.
87:      * @return int 子要素の個数
88:      */
89:     public function size()
90:     {
91:         return $this->childNodes->size();
92:     }
93: }
94: