~desarrollokumbia/kumbia/0.5

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
<?php

/**
 * Kumbia PHP Framework
 *
 * LICENSE
 *
 * This source file is subject to the GNU/GPL that is bundled
 * with this package in the file docs/LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.kumbia.org/license.txt
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to kumbia@kumbia.org so we can send you a copy immediately.
 *
 * @category Kumbia
 * @package Filter
 * @copyright Copyright (c) 2007-2007 Andres Felipe Gutierrez (andresfelipe at vagoogle.net)
 * @copyright Copyright (c) 2007-2007 Emilio Rafael Silveira Tovar(emilio.rst at gmail.com)
 * @copyright Copyright (c) 2007-2007 Deivinson Tejeda Brito (deivinsontejeda at gmail.com)
 * @license http://www.kumbia.org/license.txt GNU/GPL
 */

/**
 * @see FilterInterface
 */
require "library/kumbia/filter/interface.php";


/**
 * @see FilterException
 */
require "library/kumbia/filter/exception.php";

/**
 * @see AlnumFilter
 */
require "library/kumbia/filter/base_filters/alnum.php";

/**
 * @see AlphaFilter
 */
require "library/kumbia/filter/base_filters/alpha.php";

/**
 * @see DateFilter
 */
require "library/kumbia/filter/base_filters/date.php";

/**
 * @see DigitsFilter
 */
require "library/kumbia/filter/base_filters/digits.php";

/**
 * @see HtmlentitiesFilter
 */
require "library/kumbia/filter/base_filters/htmlentities.php";

/**
 * @see HtmlspecialcharsFilter
 */
require "library/kumbia/filter/base_filters/htmlspecialchars.php";

/**
 * @see IntFilter
 */
require "library/kumbia/filter/base_filters/int.php";

/**
 * @see IPv4Filter
 */
require "library/kumbia/filter/base_filters/ipv4.php";

/**
 * @see LowerFilter
 */
require "library/kumbia/filter/base_filters/lower.php";

/**
 * @see NumericFilter
 */
require "library/kumbia/filter/base_filters/numeric.php";

/**
 * @see StripspacesFilter
 */
require "library/kumbia/filter/base_filters/stripspace.php";

/**
 * @see StriptagsFilter
 */
require "library/kumbia/filter/base_filters/striptags.php";

/**
 * @see UpperFilter
 */
require "library/kumbia/filter/base_filters/upper.php";

/**
 * @see Nl2brFilter
 */
require "library/kumbia/filter/base_filters/nl2br.php";

/**
 * @see TrimFilter
 */
require "library/kumbia/filter/base_filters/trim.php";

/**
 * @see AddslashesFilter
 */
require "library/kumbia/filter/base_filters/addslashes.php";

/**
 * @see StripslashesFilter
 */
require "library/kumbia/filter/base_filters/stripslashes.php";

/**
 * @see Md5Filter
 */
require "library/kumbia/filter/base_filters/md5.php";

/**
 * Implementaci&oacute;n de Filtros para Kumbia
 *
 * @category Kumbia
 * @package Filter
 * @copyright Copyright (c) 2007-2007 Andres Felipe Gutierrez (andresfelipe at vagoogle.net)
 * @copyright Copyright (c) 2007-2007 Emilio Rafael Silveira Tovar(emilio.rst at gmail.com)
 * @copyright Copyright (c) 2007-2007 Deivinson Tejeda Brito (deivinsontejeda at gmail.com)
 * @license http://www.kumbia.org/license.txt GNU/GPL
 */
class Filter extends Object 
{
	/**
	 * Filtros a que se aplicaran atrav�s del metodo "apply"
	 *
	 * @var array
	 */
	private $_filters = array();
	/**
	 * Temporal para los filtros que se aplicaran atrav�s de "apply_filter"
	 *
	 * @var array
	 */
	private $_buffer_filters;
	/**
	 * Instancia para singleton
	 *
	 * @var Filter
	 **/
	private static $_singleton = null;
	/**
	 * Constructor de la clase Filter
	 *
	 */
	public function __construct() 
	{
		$this->_buffer_filters = array();
		$this->_filters = array();
		$params = func_get_args();
		call_user_func_array(array($this, 'add_filter'), $params);
	}
	/**
	 * Convierte los parametros de una funcion o metodo a parametros por nombre
	 *
	 * @param array $params
	 * @return array
	 */
	function get_params($params){
	$data = array();
	$i = 0;
	foreach ($params as $p) {
		if(is_string($p) && preg_match('/(\w+): (.*)/', $p, $match)){
			$data[$match[1]] = $match[2];
			} else {
				$data[$i] = $p;
				$i++;
			}
		}
	return $data;
	}
	/**
	 * Agrega un filtro a la cola de filtros
	 *
	 */
	public function add_filter() 
	{
		$params = $this->get_params(func_get_args());

		/**
		 * Cargo los atributos para los filtros en un array
		 */
		$attributes = array();
		foreach($params as $attr => $value) {
			if(!is_numeric($attr)) {
				$attributes[$attr] = $value;
			}
		}

		/**
		 * Agrego los filtros
		 */
		for($i=0; isset($params[$i]); $i++) {
			//si es un filtro apartir de un objeto
			if(is_object($params[$i])) {
				foreach($attributes as $attr => $value) {
					if(preg_match("/([a-z_0-9]+)\.([a-z_0-9]+)/", $attr, $regs)) {
						$filter = ucfirst(camelize($regs[1])).'Filter';
						if($params[$i] instanceof $filter) {
							$params[$i]->$regs[2] = $value;
						}
					} else {
						$params[$i]->$attr = $value;
					}
				}
				array_push($this->_filters, $params[$i]);

			} else { //es un filtro atraves de nombre
				$filter = ucfirst(camelize($params[$i])).'Filter';
				if(class_exists($filter)) {
					$obj =new $filter();
					foreach($attributes as $attr => $value) {
						if(preg_match("/([a-z_0-9]+)\.([a-z_0-9]+)/", $attr, $regs)) {
							$filter = ucfirst(camelize($regs[1])).'Filter';
							if($obj instanceof $filter) {
								$obj->$regs[2] = $value;
							}
						} else {
							$obj->$attr = $value;
						}
					}
					array_push($this->_filters, $obj);
				}
			}
		}
	}
	/**
	 * Aplica un filtro
	 *
	 * @param Filter $s
	 */
	public function apply(&$s) 
	{
		if(is_array($s)){
			foreach($s as $key => $value){
				if(is_array($value) || is_object($value)){
					$this->apply($s[$key]);
				} elseif(is_string($value)) {
					foreach($this->_filters as $f) {
						$s[$key] = $f->execute($value);
					}
				}
			}
		} elseif(is_object($s)) {
			foreach(get_object_vars($s) as $attr => $value){
				if(is_array($value) || is_object($value)){
					$this->apply($s->$attr);
				} elseif(is_string($value)) {
					foreach($this->_filters as $f) {
						$s->$attr = $f->execute($value);
					}
				}
			}
		} elseif(is_string($s)) {
			foreach($this->_filters as $f) {
				$s = $f->execute($s);
			}
		}
		
		return $s;
	}
	/**
	 * Aplica un filtro
	 *
	 * @param array $s
	 */
	public function apply_filter(&$s)
	{
		//para cargar los filtros
		if(func_num_args()>1) {
			$this->_buffer_filters = array();
			$params = $this->get_params(func_get_args());

			//cargo los atributos para los filtros en un array
			$attributes = array();
			foreach($params as $attr => $value) {
				if(!is_numeric($attr)) {
					$attributes[$attr] = $value;
				}
			}

			//agrego los filtros (recordar que $params[0] es el parametro a filtrar)
			for($i=1; isset($params[$i]); $i++) {
				if(is_object($params[$i])) {
					foreach($attributes as $attr => $value) {
						if(preg_match("/([a-z_0-9]+)\.([a-z_0-9]+)/", $attr, $regs)) {
							$filter = ucfirst(camelize($regs[1])).'Filter';
							if($params[$i] instanceof $filter) {
								$params[$i]->$regs[2] = $value;
							}
						} else {
							$params[$i]->$attr = $value;
						}
					}
					array_push($this->_buffer_filters, $params[$i]);
				} else {
					$filter = ucfirst(camelize($params[$i])).'Filter';
					if(class_exists($filter)) {
						$obj =new $filter();
						foreach($attributes as $attr => $value) {
							if(preg_match("/([a-z_0-9]+)\.([a-z_0-9]+)/", $attr, $regs)) {
								$filter = ucfirst(camelize($regs[1])).'Filter';
								if($obj instanceof $filter) {
									$obj->$regs[2] = $value;
								}
							} else {
								$obj->$attr = $value;
							}
						}
						array_push($this->_buffer_filters, $obj);
					} else {
						throw new FilterException("No existe el filtro '$filter'");
					}
				}
			}
		}


		//aplico los filtros
		if(is_array($s)){
			foreach($s as $key => $value){
				if(is_array($value) || is_object($value)){
					$this->apply_filter($s[$key]);
				} elseif(is_string($value)) {
					foreach($this->_buffer_filters as $f) {
						$s[$key] = $f->execute($value);
					}
				}
			}
		} elseif(is_object($s)) {
			foreach(get_object_vars($s) as $attr => $value){
				if(is_array($value) || is_object($value)){
					$this->apply_filter($s->$attr);
				} elseif(is_string($value)) {
					foreach($this->_buffer_filters as $f) {
						$s->$attr = $f->execute($value);
					}
				}
			}
		} elseif(is_string($s)) {
			foreach($this->_buffer_filters as $f) {
				$s = $f->execute($s);
			}
		}

		return $s;
	}
	/**
	 * Obtiene una instancia singleton
	 * @return Filter
	 **/
	public static function get_instance() 
	{
		if(!self::$_singleton) {
			self::$_singleton = new Filter();
		}
		return self::$_singleton;
	}
	/**
	 * Aplica un filtro aun parametro por valor
	 *
	 * @param mixed $s
	 * @return mixed
	 */
	public function filter_value($s) 
	{
		$args = func_get_args();
		$func = func_num_args()>1 ? 'apply_filter' : 'apply';
		return $this->send($func, $args);
	}
}

?>