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1 | <?php | |
2 | ||
3 | abstract class Component extends stdCLass | |
4 | { | |
5 | protected $Decorators = array(); | |
6 | protected $Water = NULL; | |
7 | protected $Cup = NULL; | |
8 | ||
9 | public function GetProperties(Component $Child) | |
10 | { | |
11 | foreach($this as $k => $v) | |
12 | { | |
13 | $Child->{$k} = &$this->{$k}; | |
14 | } | |
15 | ||
16 | if(!isset($this->datahash)) | |
17 | { | |
18 | $Child->{'parent'} = &$this; | |
19 | $Child->{'datahash'} = spl_object_hash($this); | |
20 | } | |
21 | } | |
22 | ||
23 | public function AddDecorator($func, $args = array()) | |
24 | { | |
25 | if(is_callable($func)) | |
26 | { | |
27 | array_push($this->Decorators, array($func, $args)); | |
28 | } | |
29 | else | |
30 | { | |
31 | throw new InvalidArgumentException(sprintf('%s::AddDecorator(callable $func, array $args): Invalid function ( %s ).', get_class($this), var_export($func, true))); | |
32 | } | |
33 | } | |
34 | ||
35 | public function RemoveDecorator($func, $args = array()) | |
36 | { | |
37 | foreach($this->Decorators as & $decorator) | |
38 | { | |
39 | if($decorator === array($func, $args)) | |
40 | { | |
41 | unset($decorator); | |
42 | return true; | |
43 | } | |
44 | } | |
45 | ||
46 | return false; | |
47 | } | |
48 | ||
49 | public function __call($Key, $Params) | |
50 | { | |
51 | $Key = (string)$Key; | |
52 | ||
53 | if(!isset($this->{$Key})) | |
54 | { | |
55 | throw new BadMethodCallException(sprintf('Call to undefined method `%s::%s()`', get_class($this), $Key)); | |
56 | return; | |
57 | } | |
58 | ||
59 | if(!is_callable($this->{$Key})) | |
60 | { | |
61 | throw new BadMethodCallException(sprintf('Call to undefined method `%s::{%s}()`.', get_class($this), var_export($this->{$Key}, true))); | |
62 | return; | |
63 | } | |
64 | ||
65 | call_user_func_array($this->{$Key}, $Params); | |
66 | } | |
67 | ||
68 | function PourWater() | |
69 | { | |
70 | printf('Adding Water: %d%s', $this->Water, "\n"); | |
71 | } | |
72 | } | |
73 | ||
74 | class SimpleCofee extends Component | |
75 | { | |
76 | protected $Water = 0; | |
77 | protected $Cup = array(); | |
78 | ||
79 | public function __construct($Parent = NULL) | |
80 | { | |
81 | $this->Water = 100; | |
82 | $this->Cup['cofeee'] = 25; | |
83 | ||
84 | if($Parent instanceof Component) | |
85 | { | |
86 | $Parent->GetProperties($this); | |
87 | } | |
88 | else | |
89 | { | |
90 | $hash = spl_object_hash($this); | |
91 | ||
92 | $this->{$hash.'Water'} = &$this->Water; | |
93 | $this->{$hash.'Cup'} = &$this->Cup; | |
94 | $this->{$hash.'Decorators'} = &$this->Decorators; | |
95 | } | |
96 | } | |
97 | ||
98 | public function Produce() | |
99 | { | |
100 | print "Making coffee....\n"; | |
101 | ||
102 | foreach($this->Decorators as $call) | |
103 | { | |
104 | call_user_func_array($call[0], $call[1]); | |
105 | } | |
106 | ||
107 | //..... | |
108 | $this->PourWater(); | |
109 | //...... | |
110 | ||
111 | printf('Making cofee: %s%s', var_export($this->Cup, true), "\n"); | |
112 | } | |
113 | } | |
114 | ||
115 | class SimpleTea extends SimpleCofee | |
116 | { | |
117 | public function __construct($Parent = NULL) | |
118 | { | |
119 | $this->Water = 75; | |
120 | $this->Cup['tea'] = 25; | |
121 | ||
122 | if($Parent instanceof Component) | |
123 | { | |
124 | $Parent->GetProperties($this); | |
125 | } | |
126 | else | |
127 | { | |
128 | $hash = spl_object_hash($this); | |
129 | ||
130 | $this->{$hash.'Water'} = &$this->Water; | |
131 | $this->{$hash.'Cup'} = &$this->Cup; | |
132 | $this->{$hash.'Decorators'} = &$this->Decorators; | |
133 | } | |
134 | } | |
135 | ||
136 | public function Produce() | |
137 | { | |
138 | print "Making tea....\n"; | |
139 | ||
140 | foreach($this->Decorators as $call) | |
141 | { | |
142 | call_user_func_array($call[0], $call[1]); | |
143 | } | |
144 | ||
145 | //..... | |
146 | $this->PourWater(); | |
147 | //...... | |
148 | ||
149 | printf('Making tea: %s%s', var_export($this->Cup, true), "\n"); | |
150 | } | |
151 | } | |
152 | ||
153 | abstract class Decorator extends Component | |
154 | { | |
155 | public function __construct(Component $Parent) | |
156 | { | |
157 | $Parent->GetProperties($this); | |
158 | } | |
159 | } | |
160 | ||
161 | class SugarCube extends Decorator | |
162 | { | |
163 | public function __construct(Component $Parent) | |
164 | { | |
165 | parent::__construct($Parent); | |
166 | ||
167 | $Parent->AddDecorator(array($this, 'AddSugar')); | |
168 | } | |
169 | ||
170 | public function AddSugar() | |
171 | { | |
172 | $hash = $this->{'datahash'}; | |
173 | ||
174 | $this->{$hash.'Cup'}['Spoon'] = 1; | |
175 | $this->{$hash.'Ammount'} = @$this->{$hash.'Ammount'} + 1; | |
176 | $this->{$hash.'Water'} -= 5; | |
177 | ||
178 | printf('Adding sugar: %d%s', 1, "\n"); | |
179 | } | |
180 | } | |
181 | ||
182 | class DoubleSugarCube extends SugarCube | |
183 | { | |
184 | public function AddSugar() | |
185 | { | |
186 | $hash = $this->{'datahash'}; | |
187 | ||
188 | $this->{$hash.'Cup'}['Spoon'] = 1; | |
189 | $this->{$hash.'Ammount'} = @$this->{$hash.'ammount'} + 2; | |
190 | ||
191 | - | $this->{$hash.'Water'} -= 20; |
191 | + | |
192 | ||
193 | printf('Adding sugar: %d%s', 2, "\n"); | |
194 | } | |
195 | } | |
196 | ||
197 | ||
198 | - | $Sugar = 1; |
198 | + | $Sugar = 1; |
199 | - | $DoubleSugar = 1; |
199 | + | $DoubleSugar = 1; |
200 | ||
201 | - | $Cofee = new SimpleCofee(); |
201 | + | $Cofee = new SimpleCofee(); |
202 | - | $Tea = new SimpleTea(); |
202 | + | $Tea = new SimpleTea(); |
203 | ||
204 | - | $Cofee->Produce(); |
204 | + | |
205 | - | $Tea->Produce(); |
205 | + | |
206 | ||
207 | - | print "\n============\n\n"; |
207 | + | print "\n============\n\n"; |
208 | ||
209 | - | if($Sugar) |
209 | + | if($Sugar) |
210 | { | |
211 | - | new SugarCube($Cofee); |
211 | + | new SugarCube($Cofee); |
212 | $Cofee->Produce(); | |
213 | - | new SugarCube($Cofee); |
213 | + | new SugarCube($Cofee); |
214 | $Cofee->Produce(); | |
215 | } | |
216 | ||
217 | - | if($DoubleSugar) |
217 | + | if($DoubleSugar) |
218 | { | |
219 | - | new SugarCube($Tea); |
219 | + | new DoubleSugarCube($Tea); |
220 | $Tea->Produce(); | |
221 | - | new SugarCube($Tea); |
221 | + | new DoubleSugarCube($Tea); |
222 | $Tea->Produce(); | |
223 | - | } |
223 | + | } |