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0001 <?php
0002 /**
0003  * Zend Framework
0004  *
0005  * LICENSE
0006  *
0007  * This source file is subject to the new BSD license that is bundled
0008  * with this package in the file LICENSE.txt.
0009  * It is also available through the world-wide-web at this URL:
0010  * http://framework.zend.com/license/new-bsd
0011  * If you did not receive a copy of the license and are unable to
0012  * obtain it through the world-wide-web, please send an email
0013  * to license@zend.com so we can send you a copy immediately.
0014  *
0015  * @category   Zend
0016  * @package    Zend_Controller
0017  * @subpackage Router
0018  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0019  * @version    $Id$
0020  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0021  */
0022 
0023 /** Zend_Controller_Router_Route_Abstract */
0024 // require_once 'Zend/Controller/Router/Route/Abstract.php';
0025 
0026 /**
0027  * Route
0028  *
0029  * @package    Zend_Controller
0030  * @subpackage Router
0031  * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
0032  * @license    http://framework.zend.com/license/new-bsd     New BSD License
0033  * @see        http://manuals.rubyonrails.com/read/chapter/65
0034  */
0035 class Zend_Controller_Router_Route extends Zend_Controller_Router_Route_Abstract
0036 {
0037 
0038     /**
0039      * Default translator
0040      *
0041      * @var Zend_Translate
0042      */
0043     protected static $_defaultTranslator;
0044 
0045     /**
0046      * Translator
0047      *
0048      * @var Zend_Translate
0049      */
0050     protected $_translator;
0051 
0052     /**
0053      * Default locale
0054      *
0055      * @var mixed
0056      */
0057     protected static $_defaultLocale;
0058 
0059     /**
0060      * Locale
0061      *
0062      * @var mixed
0063      */
0064     protected $_locale;
0065 
0066     /**
0067      * Wether this is a translated route or not
0068      *
0069      * @var boolean
0070      */
0071     protected $_isTranslated = false;
0072 
0073     /**
0074      * Translatable variables
0075      *
0076      * @var array
0077      */
0078     protected $_translatable = array();
0079 
0080     protected $_urlVariable = ':';
0081 
0082     protected $_urlDelimiter = self::URI_DELIMITER;
0083 
0084     protected $_regexDelimiter = '#';
0085 
0086     protected $_defaultRegex = null;
0087 
0088     /**
0089      * Holds names of all route's pattern variable names. Array index holds a position in URL.
0090      *
0091      * @var array
0092      */
0093     protected $_variables = array();
0094 
0095     /**
0096      * Holds Route patterns for all URL parts. In case of a variable it stores it's regex
0097      * requirement or null. In case of a static part, it holds only it's direct value.
0098      * In case of a wildcard, it stores an asterisk (*)
0099      *
0100      * @var array
0101      */
0102     protected $_parts = array();
0103 
0104     /**
0105      * Holds user submitted default values for route's variables. Name and value pairs.
0106      *
0107      * @var array
0108      */
0109     protected $_defaults = array();
0110 
0111     /**
0112      * Holds user submitted regular expression patterns for route's variables' values.
0113      * Name and value pairs.
0114      *
0115      * @var array
0116      */
0117     protected $_requirements = array();
0118 
0119     /**
0120      * Associative array filled on match() that holds matched path values
0121      * for given variable names.
0122      *
0123      * @var array
0124      */
0125     protected $_values = array();
0126 
0127     /**
0128      * Associative array filled on match() that holds wildcard variable
0129      * names and values.
0130      *
0131      * @var array
0132      */
0133     protected $_wildcardData = array();
0134 
0135     /**
0136      * Helper var that holds a count of route pattern's static parts
0137      * for validation
0138      *
0139      * @var int
0140      */
0141     protected $_staticCount = 0;
0142 
0143     public function getVersion()
0144     {
0145         return 1;
0146     }
0147 
0148     /**
0149      * Instantiates route based on passed Zend_Config structure
0150      *
0151      * @param Zend_Config $config Configuration object
0152      * @return Zend_Controller_Router_Route
0153      */
0154     public static function getInstance(Zend_Config $config)
0155     {
0156         $reqs = ($config->reqs instanceof Zend_Config) ? $config->reqs->toArray() : array();
0157         $defs = ($config->defaults instanceof Zend_Config) ? $config->defaults->toArray() : array();
0158 
0159         return new self($config->route, $defs, $reqs);
0160     }
0161 
0162     /**
0163      * Prepares the route for mapping by splitting (exploding) it
0164      * to a corresponding atomic parts. These parts are assigned
0165      * a position which is later used for matching and preparing values.
0166      *
0167      * @param string         $route      Map used to match with later submitted URL path
0168      * @param array          $defaults   Defaults for map variables with keys as variable names
0169      * @param array          $reqs       Regular expression requirements for variables (keys as variable names)
0170      * @param Zend_Translate $translator Translator to use for this instance
0171      * @param mixed|null     $locale
0172      */
0173     public function __construct(
0174         $route, $defaults = array(), $reqs = array(), Zend_Translate $translator = null, $locale = null
0175     )
0176     {
0177         $route               = trim($route, $this->_urlDelimiter);
0178         $this->_defaults     = (array)$defaults;
0179         $this->_requirements = (array)$reqs;
0180         $this->_translator   = $translator;
0181         $this->_locale       = $locale;
0182 
0183         if ($route !== '') {
0184             foreach (explode($this->_urlDelimiter, $route) as $pos => $part) {
0185                 if (substr($part, 0, 1) == $this->_urlVariable && substr($part, 1, 1) != $this->_urlVariable) {
0186                     $name = substr($part, 1);
0187 
0188                     if (substr($name, 0, 1) === '@' && substr($name, 1, 1) !== '@') {
0189                         $name                  = substr($name, 1);
0190                         $this->_translatable[] = $name;
0191                         $this->_isTranslated   = true;
0192                     }
0193 
0194                     $this->_parts[$pos]     = (isset($reqs[$name]) ? $reqs[$name] : $this->_defaultRegex);
0195                     $this->_variables[$pos] = $name;
0196                 } else {
0197                     if (substr($part, 0, 1) == $this->_urlVariable) {
0198                         $part = substr($part, 1);
0199                     }
0200 
0201                     if (substr($part, 0, 1) === '@' && substr($part, 1, 1) !== '@') {
0202                         $this->_isTranslated = true;
0203                     }
0204 
0205                     $this->_parts[$pos] = $part;
0206 
0207                     if ($part !== '*') {
0208                         $this->_staticCount++;
0209                     }
0210                 }
0211             }
0212         }
0213     }
0214 
0215     /**
0216      * Matches a user submitted path with parts defined by a map. Assigns and
0217      * returns an array of variables on a successful match.
0218      *
0219      * @param string  $path Path used to match against this routing map
0220      * @param boolean $partial
0221      * @throws Zend_Controller_Router_Exception
0222      * @return array|false An array of assigned values or a false on a mismatch
0223      */
0224     public function match($path, $partial = false)
0225     {
0226         if ($this->_isTranslated) {
0227             $translateMessages = $this->getTranslator()->getMessages();
0228         }
0229 
0230         $pathStaticCount = 0;
0231         $values          = array();
0232         $matchedPath     = '';
0233 
0234         if (!$partial) {
0235             $path = trim($path, $this->_urlDelimiter);
0236         }
0237 
0238         if ($path !== '') {
0239             $path = explode($this->_urlDelimiter, $path);
0240 
0241             foreach ($path as $pos => $pathPart) {
0242                 // Path is longer than a route, it's not a match
0243                 if (!array_key_exists($pos, $this->_parts)) {
0244                     if ($partial) {
0245                         break;
0246                     } else {
0247                         return false;
0248                     }
0249                 }
0250 
0251                 $matchedPath .= $pathPart . $this->_urlDelimiter;
0252 
0253                 // If it's a wildcard, get the rest of URL as wildcard data and stop matching
0254                 if ($this->_parts[$pos] == '*') {
0255                     $count = count($path);
0256                     for ($i = $pos; $i < $count; $i += 2) {
0257                         $var = urldecode($path[$i]);
0258                         if (!isset($this->_wildcardData[$var]) && !isset($this->_defaults[$var])
0259                             && !isset($values[$var])
0260                         ) {
0261                             $this->_wildcardData[$var] = (isset($path[$i + 1])) ? urldecode($path[$i + 1]) : null;
0262                         }
0263                     }
0264 
0265                     $matchedPath = implode($this->_urlDelimiter, $path);
0266                     break;
0267                 }
0268 
0269                 $name     = isset($this->_variables[$pos]) ? $this->_variables[$pos] : null;
0270                 $pathPart = urldecode($pathPart);
0271 
0272                 // Translate value if required
0273                 $part = $this->_parts[$pos];
0274                 if ($this->_isTranslated
0275                     && (substr($part, 0, 1) === '@' && substr($part, 1, 1) !== '@'
0276                         && $name === null)
0277                     || $name !== null && in_array($name, $this->_translatable)
0278                 ) {
0279                     if (substr($part, 0, 1) === '@') {
0280                         $part = substr($part, 1);
0281                     }
0282 
0283                     if (($originalPathPart = array_search($pathPart, $translateMessages)) !== false) {
0284                         $pathPart = $originalPathPart;
0285                     }
0286                 }
0287 
0288                 if (substr($part, 0, 2) === '@@') {
0289                     $part = substr($part, 1);
0290                 }
0291 
0292                 // If it's a static part, match directly
0293                 if ($name === null && $part != $pathPart) {
0294                     return false;
0295                 }
0296 
0297                 // If it's a variable with requirement, match a regex. If not - everything matches
0298                 if ($part !== null
0299                     && !preg_match(
0300                         $this->_regexDelimiter . '^' . $part . '$' . $this->_regexDelimiter . 'iu', $pathPart
0301                     )
0302                 ) {
0303                     return false;
0304                 }
0305 
0306                 // If it's a variable store it's value for later
0307                 if ($name !== null) {
0308                     $values[$name] = $pathPart;
0309                 } else {
0310                     $pathStaticCount++;
0311                 }
0312             }
0313         }
0314 
0315         // Check if all static mappings have been matched
0316         if ($this->_staticCount != $pathStaticCount) {
0317             return false;
0318         }
0319 
0320         $return = $values + $this->_wildcardData + $this->_defaults;
0321 
0322         // Check if all map variables have been initialized
0323         foreach ($this->_variables as $var) {
0324             if (!array_key_exists($var, $return)) {
0325                 return false;
0326             } elseif ($return[$var] == '' || $return[$var] === null) {
0327                 // Empty variable? Replace with the default value.
0328                 $return[$var] = $this->_defaults[$var];
0329             }
0330         }
0331 
0332         $this->setMatchedPath(rtrim($matchedPath, $this->_urlDelimiter));
0333 
0334         $this->_values = $values;
0335 
0336         return $return;
0337     }
0338 
0339     /**
0340      * Assembles user submitted parameters forming a URL path defined by this route
0341      *
0342      * @param  array   $data  An array of variable and value pairs used as parameters
0343      * @param  boolean $reset Whether or not to set route defaults with those provided in $data
0344      * @param  boolean $encode
0345      * @param  boolean $partial
0346      * @throws Zend_Controller_Router_Exception
0347      * @return string Route path with user submitted parameters
0348      */
0349     public function assemble($data = array(), $reset = false, $encode = false, $partial = false)
0350     {
0351         if ($this->_isTranslated) {
0352             $translator = $this->getTranslator();
0353 
0354             if (isset($data['@locale'])) {
0355                 $locale = $data['@locale'];
0356                 unset($data['@locale']);
0357             } else {
0358                 $locale = $this->getLocale();
0359             }
0360         }
0361 
0362         $url  = array();
0363         $flag = false;
0364 
0365         foreach ($this->_parts as $key => $part) {
0366             $name = isset($this->_variables[$key]) ? $this->_variables[$key] : null;
0367 
0368             $useDefault = false;
0369             if (isset($name) && array_key_exists($name, $data) && $data[$name] === null) {
0370                 $useDefault = true;
0371             }
0372 
0373             if (isset($name)) {
0374                 if (isset($data[$name]) && !$useDefault) {
0375                     $value = $data[$name];
0376                     unset($data[$name]);
0377                 } elseif (!$reset && !$useDefault && isset($this->_values[$name])) {
0378                     $value = $this->_values[$name];
0379                 } elseif (!$reset && !$useDefault && isset($this->_wildcardData[$name])) {
0380                     $value = $this->_wildcardData[$name];
0381                 } elseif (array_key_exists($name, $this->_defaults)) {
0382                     $value = $this->_defaults[$name];
0383                 } else {
0384                     // require_once 'Zend/Controller/Router/Exception.php';
0385                     throw new Zend_Controller_Router_Exception($name . ' is not specified');
0386                 }
0387 
0388                 if ($this->_isTranslated && in_array($name, $this->_translatable)) {
0389                     $url[$key] = $translator->translate($value, $locale);
0390                 } else {
0391                     $url[$key] = $value;
0392                 }
0393             } elseif ($part != '*') {
0394                 if ($this->_isTranslated && substr($part, 0, 1) === '@') {
0395                     if (substr($part, 1, 1) !== '@') {
0396                         $url[$key] = $translator->translate(substr($part, 1), $locale);
0397                     } else {
0398                         $url[$key] = substr($part, 1);
0399                     }
0400                 } else {
0401                     if (substr($part, 0, 2) === '@@') {
0402                         $part = substr($part, 1);
0403                     }
0404 
0405                     $url[$key] = $part;
0406                 }
0407             } else {
0408                 if (!$reset) {
0409                     $data += $this->_wildcardData;
0410                 }
0411                 $defaults = $this->getDefaults();
0412                 foreach ($data as $var => $value) {
0413                     if ($value !== null && (!isset($defaults[$var]) || $value != $defaults[$var])) {
0414                         $url[$key++] = $var;
0415                         $url[$key++] = $value;
0416                         $flag        = true;
0417                     }
0418                 }
0419             }
0420         }
0421 
0422         $return = '';
0423 
0424         foreach (array_reverse($url, true) as $key => $value) {
0425             $defaultValue = null;
0426 
0427             if (isset($this->_variables[$key])) {
0428                 $defaultValue = $this->getDefault($this->_variables[$key]);
0429 
0430                 if ($this->_isTranslated && $defaultValue !== null
0431                     && isset($this->_translatable[$this->_variables[$key]])
0432                 ) {
0433                     $defaultValue = $translator->translate($defaultValue, $locale);
0434                 }
0435             }
0436 
0437             if ($flag || $value !== $defaultValue || $partial) {
0438                 if ($encode) {
0439                     $value = urlencode($value);
0440                 }
0441                 $return = $this->_urlDelimiter . $value . $return;
0442                 $flag   = true;
0443             }
0444         }
0445 
0446         return trim($return, $this->_urlDelimiter);
0447     }
0448 
0449     /**
0450      * Return a single parameter of route's defaults
0451      *
0452      * @param string $name Array key of the parameter
0453      * @return string Previously set default
0454      */
0455     public function getDefault($name)
0456     {
0457         if (isset($this->_defaults[$name])) {
0458             return $this->_defaults[$name];
0459         }
0460 
0461         return null;
0462     }
0463 
0464     /**
0465      * Return an array of defaults
0466      *
0467      * @return array Route defaults
0468      */
0469     public function getDefaults()
0470     {
0471         return $this->_defaults;
0472     }
0473 
0474     /**
0475      * Get all variables which are used by the route
0476      *
0477      * @return array
0478      */
0479     public function getVariables()
0480     {
0481         return $this->_variables;
0482     }
0483 
0484     /**
0485      * Set a default translator
0486      *
0487      * @param  Zend_Translate $translator
0488      * @return void
0489      */
0490     public static function setDefaultTranslator(Zend_Translate $translator = null)
0491     {
0492         self::$_defaultTranslator = $translator;
0493     }
0494 
0495     /**
0496      * Get the default translator
0497      *
0498      * @return Zend_Translate
0499      */
0500     public static function getDefaultTranslator()
0501     {
0502         return self::$_defaultTranslator;
0503     }
0504 
0505     /**
0506      * Set a translator
0507      *
0508      * @param  Zend_Translate $translator
0509      * @return void
0510      */
0511     public function setTranslator(Zend_Translate $translator)
0512     {
0513         $this->_translator = $translator;
0514     }
0515 
0516     /**
0517      * Get the translator
0518      *
0519      * @throws Zend_Controller_Router_Exception When no translator can be found
0520      * @return Zend_Translate
0521      */
0522     public function getTranslator()
0523     {
0524         if ($this->_translator !== null) {
0525             return $this->_translator;
0526         } else {
0527             if (($translator = self::getDefaultTranslator()) !== null) {
0528                 return $translator;
0529             } else {
0530                 try {
0531                     $translator = Zend_Registry::get('Zend_Translate');
0532                 } catch (Zend_Exception $e) {
0533                     $translator = null;
0534                 }
0535 
0536                 if ($translator instanceof Zend_Translate) {
0537                     return $translator;
0538                 }
0539             }
0540         }
0541 
0542         // require_once 'Zend/Controller/Router/Exception.php';
0543         throw new Zend_Controller_Router_Exception('Could not find a translator');
0544     }
0545 
0546     /**
0547      * Set a default locale
0548      *
0549      * @param  mixed $locale
0550      * @return void
0551      */
0552     public static function setDefaultLocale($locale = null)
0553     {
0554         self::$_defaultLocale = $locale;
0555     }
0556 
0557     /**
0558      * Get the default locale
0559      *
0560      * @return mixed
0561      */
0562     public static function getDefaultLocale()
0563     {
0564         return self::$_defaultLocale;
0565     }
0566 
0567     /**
0568      * Set a locale
0569      *
0570      * @param  mixed $locale
0571      * @return void
0572      */
0573     public function setLocale($locale)
0574     {
0575         $this->_locale = $locale;
0576     }
0577 
0578     /**
0579      * Get the locale
0580      *
0581      * @return mixed
0582      */
0583     public function getLocale()
0584     {
0585         if ($this->_locale !== null) {
0586             return $this->_locale;
0587         } else {
0588             if (($locale = self::getDefaultLocale()) !== null) {
0589                 return $locale;
0590             } else {
0591                 try {
0592                     $locale = Zend_Registry::get('Zend_Locale');
0593                 } catch (Zend_Exception $e) {
0594                     $locale = null;
0595                 }
0596 
0597                 if ($locale !== null) {
0598                     return $locale;
0599                 }
0600             }
0601         }
0602 
0603         return null;
0604     }
0605 }