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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Application\Routers;
  9: 
 10: use Nette,
 11:     Nette\Application,
 12:     Nette\Utils\Strings;
 13: 
 14: 
 15: /**
 16:  * The bidirectional route is responsible for mapping
 17:  * HTTP request to a Request object for dispatch and vice-versa.
 18:  *
 19:  * @author     David Grudl
 20:  *
 21:  * @property-read string $mask
 22:  * @property-read array $defaults
 23:  * @property-read int $flags
 24:  * @property-read string|FALSE $targetPresenter
 25:  */
 26: class Route extends Nette\Object implements Application\IRouter
 27: {
 28:     const PRESENTER_KEY = 'presenter';
 29:     const MODULE_KEY = 'module';
 30: 
 31:     /** flag */
 32:     const CASE_SENSITIVE = 256;
 33: 
 34:     /** @internal url type */
 35:     const HOST = 1,
 36:         PATH = 2,
 37:         RELATIVE = 3;
 38: 
 39:     /** key used in {@link Route::$styles} or metadata {@link Route::__construct} */
 40:     const VALUE = 'value';
 41:     const PATTERN = 'pattern';
 42:     const FILTER_IN = 'filterIn';
 43:     const FILTER_OUT = 'filterOut';
 44:     const FILTER_TABLE = 'filterTable';
 45:     const FILTER_STRICT = 'filterStrict';
 46: 
 47:     /** @internal fixity types - how to handle default value? {@link Route::$metadata} */
 48:     const OPTIONAL = 0,
 49:         PATH_OPTIONAL = 1,
 50:         CONSTANT = 2;
 51: 
 52:     /** @var int */
 53:     public static $defaultFlags = 0;
 54: 
 55:     /** @var array */
 56:     public static $styles = array(
 57:         '#' => array( // default style for path parameters
 58:             self::PATTERN => '[^/]+',
 59:             self::FILTER_IN => 'rawurldecode',
 60:             self::FILTER_OUT => array(__CLASS__, 'param2path'),
 61:         ),
 62:         '?#' => array( // default style for query parameters
 63:         ),
 64:         'module' => array(
 65:             self::PATTERN => '[a-z][a-z0-9.-]*',
 66:             self::FILTER_IN => array(__CLASS__, 'path2presenter'),
 67:             self::FILTER_OUT => array(__CLASS__, 'presenter2path'),
 68:         ),
 69:         'presenter' => array(
 70:             self::PATTERN => '[a-z][a-z0-9.-]*',
 71:             self::FILTER_IN => array(__CLASS__, 'path2presenter'),
 72:             self::FILTER_OUT => array(__CLASS__, 'presenter2path'),
 73:         ),
 74:         'action' => array(
 75:             self::PATTERN => '[a-z][a-z0-9-]*',
 76:             self::FILTER_IN => array(__CLASS__, 'path2action'),
 77:             self::FILTER_OUT => array(__CLASS__, 'action2path'),
 78:         ),
 79:         '?module' => array(
 80:         ),
 81:         '?presenter' => array(
 82:         ),
 83:         '?action' => array(
 84:         ),
 85:     );
 86: 
 87:     /** @var string */
 88:     private $mask;
 89: 
 90:     /** @var array */
 91:     private $sequence;
 92: 
 93:     /** @var string  regular expression pattern */
 94:     private $re;
 95: 
 96:     /** @var string[]  parameter aliases in regular expression */
 97:     private $aliases;
 98: 
 99:     /** @var array of [value & fixity, filterIn, filterOut] */
100:     private $metadata = array();
101: 
102:     /** @var array  */
103:     private $xlat;
104: 
105:     /** @var int HOST, PATH, RELATIVE */
106:     private $type;
107: 
108:     /** @var int */
109:     private $flags;
110: 
111: 
112:     /**
113:      * @param  string  URL mask, e.g. '<presenter>/<action>/<id \d{1,3}>'
114:      * @param  array|string   default values or metadata
115:      * @param  int     flags
116:      */
117:     public function __construct($mask, $metadata = array(), $flags = 0)
118:     {
119:         if (is_string($metadata)) {
120:             $a = strrpos($metadata, ':');
121:             if (!$a) {
122:                 throw new Nette\InvalidArgumentException("Second argument must be array or string in format Presenter:action, '$metadata' given.");
123:             }
124:             $metadata = array(
125:                 self::PRESENTER_KEY => substr($metadata, 0, $a),
126:                 'action' => $a === strlen($metadata) - 1 ? NULL : substr($metadata, $a + 1),
127:             );
128:         } elseif ($metadata instanceof \Closure || $metadata instanceof Nette\Callback) {
129:             $metadata = array(
130:                 self::PRESENTER_KEY => 'Nette:Micro',
131:                 'callback' => $metadata,
132:             );
133:         }
134: 
135:         $this->flags = $flags | static::$defaultFlags;
136:         $this->setMask($mask, $metadata);
137:     }
138: 
139: 
140:     /**
141:      * Maps HTTP request to a Request object.
142:      * @return Nette\Application\Request|NULL
143:      */
144:     public function match(Nette\Http\IRequest $httpRequest)
145:     {
146:         // combine with precedence: mask (params in URL-path), fixity, query, (post,) defaults
147: 
148:         // 1) URL MASK
149:         $url = $httpRequest->getUrl();
150:         $re = $this->re;
151: 
152:         if ($this->type === self::HOST) {
153:             $host = $url->getHost();
154:             $path = '//' . $host . $url->getPath();
155:             $host = ip2long($host) ? array($host) : array_reverse(explode('.', $host));
156:             $re = strtr($re, array(
157:                 '/%basePath%/' => preg_quote($url->getBasePath(), '#'),
158:                 '%tld%' => preg_quote($host[0], '#'),
159:                 '%domain%' => preg_quote(isset($host[1]) ? "$host[1].$host[0]" : $host[0], '#'),
160:             ));
161: 
162:         } elseif ($this->type === self::RELATIVE) {
163:             $basePath = $url->getBasePath();
164:             if (strncmp($url->getPath(), $basePath, strlen($basePath)) !== 0) {
165:                 return NULL;
166:             }
167:             $path = (string) substr($url->getPath(), strlen($basePath));
168: 
169:         } else {
170:             $path = $url->getPath();
171:         }
172: 
173:         if ($path !== '') {
174:             $path = rtrim($path, '/') . '/';
175:         }
176: 
177:         if (!$matches = Strings::match($path, $re)) {
178:             // stop, not matched
179:             return NULL;
180:         }
181: 
182:         // assigns matched values to parameters
183:         $params = array();
184:         foreach ($matches as $k => $v) {
185:             if (is_string($k) && $v !== '') {
186:                 $params[$this->aliases[$k]] = $v;
187:             }
188:         }
189: 
190: 
191:         // 2) CONSTANT FIXITY
192:         foreach ($this->metadata as $name => $meta) {
193:             if (isset($params[$name])) {
194:                 //$params[$name] = $this->flags & self::CASE_SENSITIVE === 0 ? strtolower($params[$name]) : */$params[$name]; // strtolower damages UTF-8
195: 
196:             } elseif (isset($meta['fixity']) && $meta['fixity'] !== self::OPTIONAL) {
197:                 $params[$name] = NULL; // cannot be overwriten in 3) and detected by isset() in 4)
198:             }
199:         }
200: 
201: 
202:         // 3) QUERY
203:         if ($this->xlat) {
204:             $params += self::renameKeys($httpRequest->getQuery(), array_flip($this->xlat));
205:         } else {
206:             $params += $httpRequest->getQuery();
207:         }
208: 
209: 
210:         // 4) APPLY FILTERS & FIXITY
211:         foreach ($this->metadata as $name => $meta) {
212:             if (isset($params[$name])) {
213:                 if (!is_scalar($params[$name])) {
214: 
215:                 } elseif (isset($meta[self::FILTER_TABLE][$params[$name]])) { // applies filterTable only to scalar parameters
216:                     $params[$name] = $meta[self::FILTER_TABLE][$params[$name]];
217: 
218:                 } elseif (isset($meta[self::FILTER_TABLE]) && !empty($meta[self::FILTER_STRICT])) {
219:                     return NULL; // rejected by filterTable
220: 
221:                 } elseif (isset($meta[self::FILTER_IN])) { // applies filterIn only to scalar parameters
222:                     $params[$name] = call_user_func($meta[self::FILTER_IN], (string) $params[$name]);
223:                     if ($params[$name] === NULL && !isset($meta['fixity'])) {
224:                         return NULL; // rejected by filter
225:                     }
226:                 }
227: 
228:             } elseif (isset($meta['fixity'])) {
229:                 $params[$name] = $meta[self::VALUE];
230:             }
231:         }
232: 
233:         if (isset($this->metadata[NULL][self::FILTER_IN])) {
234:             $params = call_user_func($this->metadata[NULL][self::FILTER_IN], $params);
235:             if ($params === NULL) {
236:                 return NULL;
237:             }
238:         }
239: 
240:         // 5) BUILD Request
241:         if (!isset($params[self::PRESENTER_KEY])) {
242:             throw new Nette\InvalidStateException('Missing presenter in route definition.');
243:         } elseif (!is_string($params[self::PRESENTER_KEY])) {
244:             return NULL;
245:         }
246:         if (isset($this->metadata[self::MODULE_KEY])) {
247:             if (!isset($params[self::MODULE_KEY])) {
248:                 throw new Nette\InvalidStateException('Missing module in route definition.');
249:             }
250:             $presenter = $params[self::MODULE_KEY] . ':' . $params[self::PRESENTER_KEY];
251:             unset($params[self::MODULE_KEY], $params[self::PRESENTER_KEY]);
252: 
253:         } else {
254:             $presenter = $params[self::PRESENTER_KEY];
255:             unset($params[self::PRESENTER_KEY]);
256:         }
257: 
258:         return new Application\Request(
259:             $presenter,
260:             $httpRequest->getMethod(),
261:             $params,
262:             $httpRequest->getPost(),
263:             $httpRequest->getFiles(),
264:             array(Application\Request::SECURED => $httpRequest->isSecured())
265:         );
266:     }
267: 
268: 
269:     /**
270:      * Constructs absolute URL from Request object.
271:      * @return string|NULL
272:      */
273:     public function constructUrl(Application\Request $appRequest, Nette\Http\Url $refUrl)
274:     {
275:         if ($this->flags & self::ONE_WAY) {
276:             return NULL;
277:         }
278: 
279:         $params = $appRequest->getParameters();
280:         $metadata = $this->metadata;
281: 
282:         $presenter = $appRequest->getPresenterName();
283:         $params[self::PRESENTER_KEY] = $presenter;
284: 
285:         if (isset($metadata[NULL][self::FILTER_OUT])) {
286:             $params = call_user_func($metadata[NULL][self::FILTER_OUT], $params);
287:             if ($params === NULL) {
288:                 return NULL;
289:             }
290:         }
291: 
292:         if (isset($metadata[self::MODULE_KEY])) { // try split into module and [submodule:]presenter parts
293:             $module = $metadata[self::MODULE_KEY];
294:             if (isset($module['fixity']) && strncasecmp($presenter, $module[self::VALUE] . ':', strlen($module[self::VALUE]) + 1) === 0) {
295:                 $a = strlen($module[self::VALUE]);
296:             } else {
297:                 $a = strrpos($presenter, ':');
298:             }
299:             if ($a === FALSE) {
300:                 $params[self::MODULE_KEY] = '';
301:             } else {
302:                 $params[self::MODULE_KEY] = substr($presenter, 0, $a);
303:                 $params[self::PRESENTER_KEY] = substr($presenter, $a + 1);
304:             }
305:         }
306: 
307:         foreach ($metadata as $name => $meta) {
308:             if (!isset($params[$name])) {
309:                 continue; // retains NULL values
310:             }
311: 
312:             if (isset($meta['fixity'])) {
313:                 if ($params[$name] === FALSE) {
314:                     $params[$name] = '0';
315:                 }
316:                 if (is_scalar($params[$name]) ? strcasecmp($params[$name], $meta[self::VALUE]) === 0
317:                     : $params[$name] === $meta[self::VALUE]
318:                 ) { // remove default values; NULL values are retain
319:                     unset($params[$name]);
320:                     continue;
321: 
322:                 } elseif ($meta['fixity'] === self::CONSTANT) {
323:                     return NULL; // missing or wrong parameter '$name'
324:                 }
325:             }
326: 
327:             if (is_scalar($params[$name]) && isset($meta['filterTable2'][$params[$name]])) {
328:                 $params[$name] = $meta['filterTable2'][$params[$name]];
329: 
330:             } elseif (isset($meta['filterTable2']) && !empty($meta[self::FILTER_STRICT])) {
331:                 return NULL;
332: 
333:             } elseif (isset($meta[self::FILTER_OUT])) {
334:                 $params[$name] = call_user_func($meta[self::FILTER_OUT], $params[$name]);
335:             }
336: 
337:             if (isset($meta[self::PATTERN]) && !preg_match($meta[self::PATTERN], rawurldecode($params[$name]))) {
338:                 return NULL; // pattern not match
339:             }
340:         }
341: 
342:         // compositing path
343:         $sequence = $this->sequence;
344:         $brackets = array();
345:         $required = NULL; // NULL for auto-optional
346:         $url = '';
347:         $i = count($sequence) - 1;
348:         do {
349:             $url = $sequence[$i] . $url;
350:             if ($i === 0) {
351:                 break;
352:             }
353:             $i--;
354: 
355:             $name = $sequence[$i]; $i--; // parameter name
356: 
357:             if ($name === ']') { // opening optional part
358:                 $brackets[] = $url;
359: 
360:             } elseif ($name[0] === '[') { // closing optional part
361:                 $tmp = array_pop($brackets);
362:                 if ($required < count($brackets) + 1) { // is this level optional?
363:                     if ($name !== '[!') { // and not "required"-optional
364:                         $url = $tmp;
365:                     }
366:                 } else {
367:                     $required = count($brackets);
368:                 }
369: 
370:             } elseif ($name[0] === '?') { // "foo" parameter
371:                 continue;
372: 
373:             } elseif (isset($params[$name]) && $params[$name] != '') { // intentionally ==
374:                 $required = count($brackets); // make this level required
375:                 $url = $params[$name] . $url;
376:                 unset($params[$name]);
377: 
378:             } elseif (isset($metadata[$name]['fixity'])) { // has default value?
379:                 if ($required === NULL && !$brackets) { // auto-optional
380:                     $url = '';
381:                 } else {
382:                     $url = $metadata[$name]['defOut'] . $url;
383:                 }
384: 
385:             } else {
386:                 return NULL; // missing parameter '$name'
387:             }
388:         } while (TRUE);
389: 
390: 
391:         // absolutize path
392:         if ($this->type === self::RELATIVE) {
393:             $url = '//' . $refUrl->getAuthority() . $refUrl->getBasePath() . $url;
394: 
395:         } elseif ($this->type === self::PATH) {
396:             $url = '//' . $refUrl->getAuthority() . $url;
397: 
398:         } else {
399:             $host = $refUrl->getHost();
400:             $host = ip2long($host) ? array($host) : array_reverse(explode('.', $host));
401:             $url = strtr($url, array(
402:                 '/%basePath%/' => $refUrl->getBasePath(),
403:                 '%tld%' => $host[0],
404:                 '%domain%' => isset($host[1]) ? "$host[1].$host[0]" : $host[0],
405:             ));
406:         }
407: 
408:         if (strpos($url, '//', 2) !== FALSE) {
409:             return NULL;
410:         }
411: 
412:         $url = ($this->flags & self::SECURED ? 'https:' : 'http:') . $url;
413: 
414:         // build query string
415:         if ($this->xlat) {
416:             $params = self::renameKeys($params, $this->xlat);
417:         }
418: 
419:         $sep = ini_get('arg_separator.input');
420:         $query = http_build_query($params, '', $sep ? $sep[0] : '&');
421:         if ($query != '') { // intentionally ==
422:             $url .= '?' . $query;
423:         }
424: 
425:         return $url;
426:     }
427: 
428: 
429:     /**
430:      * Parse mask and array of default values; initializes object.
431:      * @param  string
432:      * @param  array
433:      * @return void
434:      */
435:     private function setMask($mask, array $metadata)
436:     {
437:         $this->mask = $mask;
438: 
439:         // detect '//host/path' vs. '/abs. path' vs. 'relative path'
440:         if (substr($mask, 0, 2) === '//') {
441:             $this->type = self::HOST;
442: 
443:         } elseif (substr($mask, 0, 1) === '/') {
444:             $this->type = self::PATH;
445: 
446:         } else {
447:             $this->type = self::RELATIVE;
448:         }
449: 
450:         foreach ($metadata as $name => $meta) {
451:             if (!is_array($meta)) {
452:                 $metadata[$name] = array(self::VALUE => $meta, 'fixity' => self::CONSTANT);
453: 
454:             } elseif (array_key_exists(self::VALUE, $meta)) {
455:                 $metadata[$name]['fixity'] = self::CONSTANT;
456:             }
457:         }
458: 
459:         // PARSE MASK
460:         // <parameter-name[=default] [pattern] [#class]> or [ or ] or ?...
461:         $parts = Strings::split($mask, '/<([^>#= ]+)(=[^># ]*)? *([^>#]*)(#?[^>\[\]]*)>|(\[!?|\]|\s*\?.*)/');
462: 
463:         $this->xlat = array();
464:         $i = count($parts) - 1;
465: 
466:         // PARSE QUERY PART OF MASK
467:         if (isset($parts[$i - 1]) && substr(ltrim($parts[$i - 1]), 0, 1) === '?') {
468:             // name=<parameter-name [pattern][#class]>
469:             $matches = Strings::matchAll($parts[$i - 1], '/(?:([a-zA-Z0-9_.-]+)=)?<([^># ]+) *([^>#]*)(#?[^>]*)>/');
470: 
471:             foreach ($matches as $match) {
472:                 list(, $param, $name, $pattern, $class) = $match;  // $pattern is not used
473: 
474:                 if ($class !== '') {
475:                     if (!isset(static::$styles[$class])) {
476:                         throw new Nette\InvalidStateException("Parameter '$name' has '$class' flag, but Route::\$styles['$class'] is not set.");
477:                     }
478:                     $meta = static::$styles[$class];
479: 
480:                 } elseif (isset(static::$styles['?' . $name])) {
481:                     $meta = static::$styles['?' . $name];
482: 
483:                 } else {
484:                     $meta = static::$styles['?#'];
485:                 }
486: 
487:                 if (isset($metadata[$name])) {
488:                     $meta = $metadata[$name] + $meta;
489:                 }
490: 
491:                 if (array_key_exists(self::VALUE, $meta)) {
492:                     $meta['fixity'] = self::OPTIONAL;
493:                 }
494: 
495:                 unset($meta['pattern']);
496:                 $meta['filterTable2'] = empty($meta[self::FILTER_TABLE]) ? NULL : array_flip($meta[self::FILTER_TABLE]);
497: 
498:                 $metadata[$name] = $meta;
499:                 if ($param !== '') {
500:                     $this->xlat[$name] = $param;
501:                 }
502:             }
503:             $i -= 6;
504:         }
505: 
506:         // PARSE PATH PART OF MASK
507:         $brackets = 0; // optional level
508:         $re = '';
509:         $sequence = array();
510:         $autoOptional = TRUE;
511:         $aliases = array();
512:         do {
513:             array_unshift($sequence, $parts[$i]);
514:             $re = preg_quote($parts[$i], '#') . $re;
515:             if ($i === 0) {
516:                 break;
517:             }
518:             $i--;
519: 
520:             $part = $parts[$i]; // [ or ]
521:             if ($part === '[' || $part === ']' || $part === '[!') {
522:                 $brackets += $part[0] === '[' ? -1 : 1;
523:                 if ($brackets < 0) {
524:                     throw new Nette\InvalidArgumentException("Unexpected '$part' in mask '$mask'.");
525:                 }
526:                 array_unshift($sequence, $part);
527:                 $re = ($part[0] === '[' ? '(?:' : ')?') . $re;
528:                 $i -= 5;
529:                 continue;
530:             }
531: 
532:             $class = $parts[$i]; $i--; // validation class
533:             $pattern = trim($parts[$i]); $i--; // validation condition (as regexp)
534:             $default = $parts[$i]; $i--; // default value
535:             $name = $parts[$i]; $i--; // parameter name
536:             array_unshift($sequence, $name);
537: 
538:             if ($name[0] === '?') { // "foo" parameter
539:                 $name = substr($name, 1);
540:                 $re = $pattern ? '(?:' . preg_quote($name, '#') . "|$pattern)$re" : preg_quote($name, '#') . $re;
541:                 $sequence[1] = $name . $sequence[1];
542:                 continue;
543:             }
544: 
545:             // pattern, condition & metadata
546:             if ($class !== '') {
547:                 if (!isset(static::$styles[$class])) {
548:                     throw new Nette\InvalidStateException("Parameter '$name' has '$class' flag, but Route::\$styles['$class'] is not set.");
549:                 }
550:                 $meta = static::$styles[$class];
551: 
552:             } elseif (isset(static::$styles[$name])) {
553:                 $meta = static::$styles[$name];
554: 
555:             } else {
556:                 $meta = static::$styles['#'];
557:             }
558: 
559:             if (isset($metadata[$name])) {
560:                 $meta = $metadata[$name] + $meta;
561:             }
562: 
563:             if ($pattern == '' && isset($meta[self::PATTERN])) {
564:                 $pattern = $meta[self::PATTERN];
565:             }
566: 
567:             if ($default !== '') {
568:                 $meta[self::VALUE] = (string) substr($default, 1);
569:                 $meta['fixity'] = self::PATH_OPTIONAL;
570:             }
571: 
572:             $meta['filterTable2'] = empty($meta[self::FILTER_TABLE]) ? NULL : array_flip($meta[self::FILTER_TABLE]);
573:             if (array_key_exists(self::VALUE, $meta)) {
574:                 if (isset($meta['filterTable2'][$meta[self::VALUE]])) {
575:                     $meta['defOut'] = $meta['filterTable2'][$meta[self::VALUE]];
576: 
577:                 } elseif (isset($meta[self::FILTER_OUT])) {
578:                     $meta['defOut'] = call_user_func($meta[self::FILTER_OUT], $meta[self::VALUE]);
579: 
580:                 } else {
581:                     $meta['defOut'] = $meta[self::VALUE];
582:                 }
583:             }
584:             $meta[self::PATTERN] = "#(?:$pattern)\\z#A" . ($this->flags & self::CASE_SENSITIVE ? '' : 'iu');
585: 
586:             // include in expression
587:             $aliases['p' . $i] = $name;
588:             $re = '(?P<p' . $i . '>(?U)' . $pattern . ')' . $re;
589:             if ($brackets) { // is in brackets?
590:                 if (!isset($meta[self::VALUE])) {
591:                     $meta[self::VALUE] = $meta['defOut'] = NULL;
592:                 }
593:                 $meta['fixity'] = self::PATH_OPTIONAL;
594: 
595:             } elseif (!$autoOptional) {
596:                 unset($meta['fixity']);
597: 
598:             } elseif (isset($meta['fixity'])) { // auto-optional
599:                 $re = '(?:' . $re . ')?';
600:                 $meta['fixity'] = self::PATH_OPTIONAL;
601: 
602:             } else {
603:                 $autoOptional = FALSE;
604:             }
605: 
606:             $metadata[$name] = $meta;
607:         } while (TRUE);
608: 
609:         if ($brackets) {
610:             throw new Nette\InvalidArgumentException("Missing closing ']' in mask '$mask'.");
611:         }
612: 
613:         $this->aliases = $aliases;
614:         $this->re = '#' . $re . '/?\z#A' . ($this->flags & self::CASE_SENSITIVE ? '' : 'iu');
615:         $this->metadata = $metadata;
616:         $this->sequence = $sequence;
617:     }
618: 
619: 
620:     /**
621:      * Returns mask.
622:      * @return string
623:      */
624:     public function getMask()
625:     {
626:         return $this->mask;
627:     }
628: 
629: 
630:     /**
631:      * Returns default values.
632:      * @return array
633:      */
634:     public function getDefaults()
635:     {
636:         $defaults = array();
637:         foreach ($this->metadata as $name => $meta) {
638:             if (isset($meta['fixity'])) {
639:                 $defaults[$name] = $meta[self::VALUE];
640:             }
641:         }
642:         return $defaults;
643:     }
644: 
645: 
646:     /**
647:      * Returns flags.
648:      * @return int
649:      */
650:     public function getFlags()
651:     {
652:         return $this->flags;
653:     }
654: 
655: 
656:     /********************* Utilities ****************d*g**/
657: 
658: 
659:     /**
660:      * Proprietary cache aim.
661:      * @internal
662:      * @return string|FALSE
663:      */
664:     public function getTargetPresenter()
665:     {
666:         if ($this->flags & self::ONE_WAY) {
667:             return FALSE;
668:         }
669: 
670:         $m = $this->metadata;
671:         $module = '';
672: 
673:         if (isset($m[self::MODULE_KEY])) {
674:             if (isset($m[self::MODULE_KEY]['fixity']) && $m[self::MODULE_KEY]['fixity'] === self::CONSTANT) {
675:                 $module = $m[self::MODULE_KEY][self::VALUE] . ':';
676:             } else {
677:                 return NULL;
678:             }
679:         }
680: 
681:         if (isset($m[self::PRESENTER_KEY]['fixity']) && $m[self::PRESENTER_KEY]['fixity'] === self::CONSTANT) {
682:             return $module . $m[self::PRESENTER_KEY][self::VALUE];
683:         }
684:         return NULL;
685:     }
686: 
687: 
688:     /**
689:      * Rename keys in array.
690:      * @param  array
691:      * @param  array
692:      * @return array
693:      */
694:     private static function renameKeys($arr, $xlat)
695:     {
696:         if (empty($xlat)) {
697:             return $arr;
698:         }
699: 
700:         $res = array();
701:         $occupied = array_flip($xlat);
702:         foreach ($arr as $k => $v) {
703:             if (isset($xlat[$k])) {
704:                 $res[$xlat[$k]] = $v;
705: 
706:             } elseif (!isset($occupied[$k])) {
707:                 $res[$k] = $v;
708:             }
709:         }
710:         return $res;
711:     }
712: 
713: 
714:     /********************* Inflectors ****************d*g**/
715: 
716: 
717:     /**
718:      * camelCaseAction name -> dash-separated.
719:      * @param  string
720:      * @return string
721:      */
722:     private static function action2path($s)
723:     {
724:         $s = preg_replace('#(.)(?=[A-Z])#', '$1-', $s);
725:         $s = strtolower($s);
726:         $s = rawurlencode($s);
727:         return $s;
728:     }
729: 
730: 
731:     /**
732:      * dash-separated -> camelCaseAction name.
733:      * @param  string
734:      * @return string
735:      */
736:     private static function path2action($s)
737:     {
738:         $s = strtolower($s);
739:         $s = preg_replace('#-(?=[a-z])#', ' ', $s);
740:         $s = lcfirst(ucwords($s));
741:         $s = str_replace(' ', '', $s);
742:         return $s;
743:     }
744: 
745: 
746:     /**
747:      * PascalCase:Presenter name -> dash-and-dot-separated.
748:      * @param  string
749:      * @return string
750:      */
751:     private static function presenter2path($s)
752:     {
753:         $s = strtr($s, ':', '.');
754:         $s = preg_replace('#([^.])(?=[A-Z])#', '$1-', $s);
755:         $s = strtolower($s);
756:         $s = rawurlencode($s);
757:         return $s;
758:     }
759: 
760: 
761:     /**
762:      * dash-and-dot-separated -> PascalCase:Presenter name.
763:      * @param  string
764:      * @return string
765:      */
766:     private static function path2presenter($s)
767:     {
768:         $s = strtolower($s);
769:         $s = preg_replace('#([.-])(?=[a-z])#', '$1 ', $s);
770:         $s = ucwords($s);
771:         $s = str_replace('. ', ':', $s);
772:         $s = str_replace('- ', '', $s);
773:         return $s;
774:     }
775: 
776: 
777:     /**
778:      * Url encode.
779:      * @param  string
780:      * @return string
781:      */
782:     private static function param2path($s)
783:     {
784:         return str_replace('%2F', '/', rawurlencode($s));
785:     }
786: 
787: 
788:     /********************* Route::$styles manipulator ****************d*g**/
789: 
790: 
791:     /**
792:      * @deprecated
793:      */
794:     public static function addStyle($style, $parent = '#')
795:     {
796:         if (isset(static::$styles[$style])) {
797:             throw new Nette\InvalidArgumentException("Style '$style' already exists.");
798:         }
799: 
800:         if ($parent !== NULL) {
801:             if (!isset(static::$styles[$parent])) {
802:                 throw new Nette\InvalidArgumentException("Parent style '$parent' doesn't exist.");
803:             }
804:             static::$styles[$style] = static::$styles[$parent];
805: 
806:         } else {
807:             static::$styles[$style] = array();
808:         }
809:     }
810: 
811: 
812:     /**
813:      * @deprecated
814:      */
815:     public static function setStyleProperty($style, $key, $value)
816:     {
817:         if (!isset(static::$styles[$style])) {
818:             throw new Nette\InvalidArgumentException("Style '$style' doesn't exist.");
819:         }
820:         static::$styles[$style][$key] = $value;
821:     }
822: 
823: }
824: 
Nette 2.2.6 API API documentation generated by ApiGen 2.8.0