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:  * 既存の BreakControl の振る舞いを拡張するためのラッパークラスです.
32:  * このクラスは Decorator パターンで設計されています.
33:  * このクラスを継承して新しい BreakControl クラスを作り,
34:  * breaks() をオーバーライドして利用してください.
35:  */
36: class BreakControlWrapper implements BreakControl
37: {
38:     /**
39:      * ラップ対象の BreakControl
40:      * @var BreakControl
41:      */
42:     private $original;
43:     
44:     /**
45:      * 指定された BreakControl をラップする BreakControlWrapper を構築します.
46:      * 引数を省略した場合は DefaultBreakControl をラップします.
47:      * 
48:      * @param BreakControl $original 未指定の場合は DefaultBreakControl
49:      */
50:     public function __construct(BreakControl $original = null)
51:     {
52:         if (!isset($original)) {
53:             $original = DefaultBreakControl::getInstance();
54:         }
55:         $this->original = $original;
56:     }
57:     
58:     /**
59:      * ラップ対象の BreakControl オブジェクトを返します.
60:      * @return BreakControl このオブジェクトがラップしている BreakControl
61:      */
62:     public function getOriginal()
63:     {
64:         return $this->original;
65:     }
66:     
67:     /**
68:      * この実装はオリジナルの breaks() をそのまま返します.
69:      * 
70:      * @param  ContainerElement $node 判定対象の要素
71:      * @return bool ラップしているオブジェクトの breaks() の結果
72:      */
73:     public function breaks(ContainerElement $node)
74:     {
75:         return $this->original->breaks($node);
76:     }
77: }
78: