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| 1 | <?php | |
| 2 | ||
| 3 | abstract class Component extends stdCLass implements ArrayAccess, Countable | |
| 4 | {
| |
| 5 | protected $Decorators = array(); | |
| 6 | protected $Water = 0; | |
| 7 | protected $SharedProps = 0; | |
| 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 | $Child->base = &$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 Decorate() | |
| 50 | {
| |
| 51 | foreach($this->Decorators as $call) | |
| 52 | {
| |
| 53 | call_user_func_array($call[0], $call[1]); | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 57 | public function __call($Key, $Params) | |
| 58 | {
| |
| 59 | $prev = debug_backtrace(); | |
| 60 | $Key = (string)$Key; | |
| 61 | $base = isset($this->base) | |
| 62 | ? $this->base | |
| 63 | : $this | |
| 64 | ; | |
| 65 | ||
| 66 | if(!isset($this->{$Key}) && !isset($base->{$Key}))
| |
| 67 | {
| |
| 68 | throw new BadMethodCallException(sprintf('Call to undefined method `%s::%s()`', get_class($this), $Key));
| |
| 69 | return; | |
| 70 | } | |
| 71 | ||
| 72 | if(is_callable($this->{$Key}))
| |
| 73 | - | call_user_func_array($this->{$Key}, $Params);
|
| 73 | + | |
| 74 | return call_user_func_array($this->{$Key}, $Params);
| |
| 75 | } | |
| 76 | elseif(is_callable($base->{$Key}))
| |
| 77 | - | call_user_func_array($base->{$Key}, $Params);
|
| 77 | + | |
| 78 | return call_user_func_array($base->{$Key}, $Params);
| |
| 79 | } | |
| 80 | else | |
| 81 | {
| |
| 82 | throw new BadMethodCallException(sprintf('Call to undefined method `%s::{%s}()`.', get_class($this), var_export($this->{$Key}, true)));
| |
| 83 | return; | |
| 84 | } | |
| 85 | ||
| 86 | } | |
| 87 | ||
| 88 | private function getHash() | |
| 89 | {
| |
| 90 | return isset($this->datahash) | |
| 91 | ? $this->datahash | |
| 92 | : $this->datahash = spl_object_hash($this) | |
| 93 | ; | |
| 94 | } | |
| 95 | ||
| 96 | public function offsetSet($offset, $value) | |
| 97 | {
| |
| 98 | static $count = 0; | |
| 99 | ||
| 100 | $hash = $this->getHash(); | |
| 101 | ||
| 102 | if (is_null($offset)) | |
| 103 | {
| |
| 104 | $this->{$hash.$count++} = $value;
| |
| 105 | $this->SharedProps++; | |
| 106 | } | |
| 107 | else | |
| 108 | {
| |
| 109 | if(!isset($this[$offset])) $this->SharedProps++; | |
| 110 | ||
| 111 | $this->{$hash.$offset} = $value;
| |
| 112 | } | |
| 113 | } | |
| 114 | ||
| 115 | public function offsetExists($offset) | |
| 116 | {
| |
| 117 | return isset($this->{$this->getHash().$offset});
| |
| 118 | } | |
| 119 | ||
| 120 | public function offsetUnset($offset) | |
| 121 | {
| |
| 122 | $hash = $this->getHash(); | |
| 123 | ||
| 124 | if(isset($this->{$hash.$offset})) $this->SharedProps--;
| |
| 125 | ||
| 126 | unset($this->{$hash.$offset});
| |
| 127 | } | |
| 128 | ||
| 129 | public function &offsetGet($offset) | |
| 130 | {
| |
| 131 | return $this->{$this->getHash().$offset};
| |
| 132 | } | |
| 133 | ||
| 134 | public function count() | |
| 135 | {
| |
| 136 | return count($this->SharedProps); | |
| 137 | } | |
| 138 | - | function SetFunction($name, $func) |
| 138 | + | |
| 139 | protected function nop(){;}
| |
| 140 | ||
| 141 | public function SetFunction($name, $func = 'nop') | |
| 142 | {
| |
| 143 | $base = isset($this->base) | |
| 144 | ? $this->base | |
| 145 | : $this | |
| 146 | ; | |
| 147 | ||
| 148 | $old = isset($base->{$name})
| |
| 149 | ? $base->{$name}
| |
| 150 | : NULL | |
| 151 | ; | |
| 152 | ||
| 153 | if(!is_callable(array($this, $func))) | |
| 154 | {
| |
| 155 | var_dump($this, $func); | |
| 156 | ||
| 157 | throw new InvalidArgumentException(sprintf('%s::SetFunction(): Undefined method `%s`', get_class($this), var_export($func, true)));
| |
| 158 | } | |
| 159 | ||
| 160 | $this->{$name} = $base->{$name} = array($this, $func);
| |
| 161 | - | public function CallParent($Function) |
| 161 | + | |
| 162 | return $old; | |
| 163 | - | $parent = debug_backtrace(); |
| 163 | + | |
| 164 | - | $parent = get_parent_class($parent[1]['class']) or get_parent_class($this); |
| 164 | + | |
| 165 | - | $args = func_get_args(); |
| 165 | + | |
| 166 | function PourWater() | |
| 167 | - | if(method_exists($parent, $Function)) |
| 167 | + | |
| 168 | printf('Adding Water: %d%s', $this['Water'], "\n");
| |
| 169 | - | call_user_func_array($parent.'::'.$Function, $args); |
| 169 | + | |
| 170 | } | |
| 171 | ||
| 172 | abstract class Decorator extends Component | |
| 173 | - | call_user_func_array(array($this->parent, $Function), $args); |
| 173 | + | |
| 174 | public function __construct(Component $Parent) | |
| 175 | {
| |
| 176 | $this->parent = &$Parent; | |
| 177 | ||
| 178 | $Parent->GetProperties($this); | |
| 179 | } | |
| 180 | ||
| 181 | public function __call($Key, $Params) | |
| 182 | {
| |
| 183 | $prev = debug_backtrace(); | |
| 184 | $prev = $prev[0]['class']; | |
| 185 | ||
| 186 | if($prev == __CLASS__) | |
| 187 | {
| |
| 188 | if(!is_callable(array($this->parent, $Key))) | |
| 189 | {
| |
| 190 | throw new BadMethodCallException(sprintf('Call to undefined method `%s::%s()`', get_class($this), $Key));
| |
| 191 | return; | |
| 192 | } | |
| 193 | ||
| 194 | return call_user_func_array(array($this->parent, $Key), $Params); | |
| 195 | } | |
| 196 | ||
| 197 | parent::__call($Key, $Params); | |
| 198 | } | |
| 199 | } | |
| 200 | ||
| 201 | class SimpleCofee extends Component | |
| 202 | {
| |
| 203 | protected $Name = 'Cofee'; | |
| 204 | protected $Cup = array(); | |
| 205 | ||
| 206 | public function __construct($Parent = NULL) | |
| 207 | {
| |
| 208 | $this->Water = 150; | |
| 209 | $this->Cup['cofeee'] = 25; | |
| 210 | ||
| 211 | if($Parent instanceof Component) | |
| 212 | {
| |
| 213 | $Parent->GetProperties($this); | |
| 214 | } | |
| 215 | else | |
| 216 | {
| |
| 217 | $this['Name'] = $this->Name; | |
| 218 | $this['Water'] = $this->Water; | |
| 219 | $this['Cup'] = $this->Cup; | |
| 220 | } | |
| 221 | ||
| 222 | $this->SetFunction('Produce', 'doProduce');
| |
| 223 | $this->SetFunction('SuperChain', 'doSuperChain');
| |
| 224 | } | |
| 225 | ||
| 226 | public function doProduce() | |
| 227 | {
| |
| 228 | printf("Making %s....\n", $this->Name);
| |
| 229 | ||
| 230 | $this->Decorate(); | |
| 231 | ||
| 232 | //..... | |
| 233 | $this->PourWater(); | |
| 234 | //...... | |
| 235 | ||
| 236 | printf("Making %s: %s\n", $this['Name'], var_export($this['Cup'], true));
| |
| 237 | } | |
| 238 | ||
| 239 | public function doSuperChain() | |
| 240 | {
| |
| 241 | print __CLASS__.'::SuperChain('.var_export(func_get_args(), true).")\n";
| |
| 242 | } | |
| 243 | } | |
| 244 | ||
| 245 | class SimpleTea extends SimpleCofee | |
| 246 | {
| |
| 247 | protected $Name = 'Tea'; | |
| 248 | ||
| 249 | public function __construct($Parent = NULL) | |
| 250 | {
| |
| 251 | $this->Water = 150; | |
| 252 | $this->Cup['tea'] = 25; | |
| 253 | ||
| 254 | if($Parent instanceof Component) | |
| 255 | {
| |
| 256 | $Parent->GetProperties($this); | |
| 257 | } | |
| 258 | else | |
| 259 | {
| |
| 260 | $this['Name'] = $this->Name; | |
| 261 | $this['Water'] = $this->Water; | |
| 262 | $this['Cup'] = $this->Cup; | |
| 263 | } | |
| 264 | ||
| 265 | $this->SetFunction('Produce', 'doProduce');
| |
| 266 | - | self::CallParent('doSuperChain');
|
| 266 | + | |
| 267 | } | |
| 268 | ||
| 269 | public function doSuperChain() | |
| 270 | {
| |
| 271 | print __CLASS__.'::SuperChain('.var_export(func_get_args(), true).")\n";
| |
| 272 | ||
| 273 | parent::doSuperChain(__CLASS__); | |
| 274 | } | |
| 275 | } | |
| 276 | ||
| 277 | ||
| 278 | class SugarCube extends Decorator | |
| 279 | {
| |
| 280 | public function __construct(Component $Parent) | |
| 281 | {
| |
| 282 | parent::__construct($Parent); | |
| 283 | ||
| 284 | $Parent->AddDecorator(array($this, 'AddSugar')); | |
| 285 | ||
| 286 | $this->SetFunction('SuperChain', 'doSuperChain');
| |
| 287 | } | |
| 288 | ||
| 289 | public function AddSugar() | |
| 290 | {
| |
| 291 | $this['Cup']['Spoon'] = 1; | |
| 292 | $this['Ammount'] = @$this['Ammount'] + 1; | |
| 293 | $this['Water'] -= 10; | |
| 294 | ||
| 295 | - | self::CallParent('doSuperChain');
|
| 295 | + | |
| 296 | } | |
| 297 | ||
| 298 | public function doSuperChain() | |
| 299 | {
| |
| 300 | print __CLASS__.'::SuperChain('.var_export(func_get_args(), true).")\n";
| |
| 301 | ||
| 302 | parent::doSuperChain(__CLASS__); | |
| 303 | } | |
| 304 | } | |
| 305 | ||
| 306 | class DoubleSugarCube extends SugarCube | |
| 307 | {
| |
| 308 | protected $old; | |
| 309 | ||
| 310 | public function __construct(Component $Component) | |
| 311 | {
| |
| 312 | parent::__construct($Component); | |
| 313 | ||
| 314 | $this->old = $this->SetFunction('Produce', 'doProduce');
| |
| 315 | ||
| 316 | $this->SetFunction('SuperChain', 'doSuperChain');
| |
| 317 | } | |
| 318 | ||
| 319 | public function AddSugar() | |
| 320 | {
| |
| 321 | // Call parent class then parent object | |
| 322 | $this['Cup']['Spoon'] = 1; | |
| 323 | $this['Ammount'] = @$this['ammount'] + 2; | |
| 324 | $this['Water'] -= 20; | |
| 325 | ||
| 326 | printf('Adding sugar: %d%s', 2, "\n");
| |
| 327 | } | |
| 328 | ||
| 329 | public function doProduce() | |
| 330 | {
| |
| 331 | print "\nI have take over Produce!\n"; | |
| 332 | print "But I'm a nice guy so I'll call my parent\n\n"; | |
| 333 | ||
| 334 | // Call parent objects function | |
| 335 | - | self::CallParent('doSuperChain');
|
| 335 | + | |
| 336 | } | |
| 337 | ||
| 338 | public function doSuperChain() | |
| 339 | {
| |
| 340 | static $count = 0; | |
| 341 | ||
| 342 | print __CLASS__.'::SuperChain('.var_export(func_get_args(), true).")\n";
| |
| 343 | ||
| 344 | parent::doSuperChain(__CLASS__); | |
| 345 | } | |
| 346 | } | |
| 347 | ||
| 348 | ||
| 349 | $Sugar = 1; | |
| 350 | $DoubleSugar = 1; | |
| 351 | ||
| 352 | $Cofee = new SimpleCofee(); | |
| 353 | $Tea = new SimpleTea(); | |
| 354 | ||
| 355 | $Cofee->Produce(); | |
| 356 | $Tea->Produce(); | |
| 357 | ||
| 358 | print "\n============\n\n"; | |
| 359 | ||
| 360 | if($Sugar) | |
| 361 | {
| |
| 362 | new SugarCube($Cofee); | |
| 363 | $Cofee->Produce(); | |
| 364 | new SugarCube($Cofee); | |
| 365 | $Cofee->Produce(); | |
| 366 | } | |
| 367 | ||
| 368 | if($DoubleSugar) | |
| 369 | {
| |
| 370 | new DoubleSugarCube($Tea); | |
| 371 | $Tea->Produce(); | |
| 372 | new DoubleSugarCube($Tea); | |
| 373 | $Tea->Produce(); | |
| 374 | } | |
| 375 | ||
| 376 | print "\n============\n\n"; | |
| 377 | ||
| 378 | $Tea->SuperChain('test'); |