343 lines
11 KiB
PHP
343 lines
11 KiB
PHP
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<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Controller
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* @subpackage Router
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @version $Id: Hostname.php 16971 2009-07-22 18:05:45Z mikaelkael $
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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/** Zend_Controller_Router_Route_Abstract */
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require_once 'Zend/Controller/Router/Route/Abstract.php';
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/**
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* Hostname Route
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*
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* @package Zend_Controller
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* @subpackage Router
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* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @see http://manuals.rubyonrails.com/read/chapter/65
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*/
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class Zend_Controller_Router_Route_Hostname extends Zend_Controller_Router_Route_Abstract
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{
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protected $_hostVariable = ':';
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protected $_regexDelimiter = '#';
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protected $_defaultRegex = null;
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/**
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* Holds names of all route's pattern variable names. Array index holds a position in host.
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* @var array
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*/
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protected $_variables = array();
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/**
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* Holds Route patterns for all host parts. In case of a variable it stores it's regex
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* requirement or null. In case of a static part, it holds only it's direct value.
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* @var array
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*/
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protected $_parts = array();
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/**
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* Holds user submitted default values for route's variables. Name and value pairs.
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* @var array
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*/
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protected $_defaults = array();
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/**
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* Holds user submitted regular expression patterns for route's variables' values.
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* Name and value pairs.
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* @var array
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*/
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protected $_requirements = array();
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/**
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* Default scheme
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* @var string
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*/
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protected $_scheme = null;
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/**
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* Associative array filled on match() that holds matched path values
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* for given variable names.
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* @var array
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*/
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protected $_values = array();
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/**
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* Current request object
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*
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* @var Zend_Controller_Request_Abstract
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*/
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protected $_request;
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/**
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* Helper var that holds a count of route pattern's static parts
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* for validation
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* @var int
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*/
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private $_staticCount = 0;
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/**
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* Set the request object
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*
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* @param Zend_Controller_Request_Abstract|null $request
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* @return void
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*/
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public function setRequest(Zend_Controller_Request_Abstract $request = null)
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{
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$this->_request = $request;
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}
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/**
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* Get the request object
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*
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* @return Zend_Controller_Request_Abstract $request
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*/
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public function getRequest()
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{
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if ($this->_request === null) {
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require_once 'Zend/Controller/Front.php';
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$this->_request = Zend_Controller_Front::getInstance()->getRequest();
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}
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return $this->_request;
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}
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/**
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* Instantiates route based on passed Zend_Config structure
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*
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* @param Zend_Config $config Configuration object
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*/
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public static function getInstance(Zend_Config $config)
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{
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$reqs = ($config->reqs instanceof Zend_Config) ? $config->reqs->toArray() : array();
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$defs = ($config->defaults instanceof Zend_Config) ? $config->defaults->toArray() : array();
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$scheme = (isset($config->scheme)) ? $config->scheme : null;
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return new self($config->route, $defs, $reqs, $scheme);
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}
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/**
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* Prepares the route for mapping by splitting (exploding) it
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* to a corresponding atomic parts. These parts are assigned
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* a position which is later used for matching and preparing values.
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*
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* @param string $route Map used to match with later submitted hostname
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* @param array $defaults Defaults for map variables with keys as variable names
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* @param array $reqs Regular expression requirements for variables (keys as variable names)
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* @param string $scheme
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*/
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public function __construct($route, $defaults = array(), $reqs = array(), $scheme = null)
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{
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$route = trim($route, '.');
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$this->_defaults = (array) $defaults;
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$this->_requirements = (array) $reqs;
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$this->_scheme = $scheme;
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if ($route != '') {
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foreach (explode('.', $route) as $pos => $part) {
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if (substr($part, 0, 1) == $this->_hostVariable) {
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$name = substr($part, 1);
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$this->_parts[$pos] = (isset($reqs[$name]) ? $reqs[$name] : $this->_defaultRegex);
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$this->_variables[$pos] = $name;
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} else {
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$this->_parts[$pos] = $part;
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$this->_staticCount++;
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}
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}
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}
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}
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/**
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* Matches a user submitted path with parts defined by a map. Assigns and
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* returns an array of variables on a successful match.
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*
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* @param Zend_Controller_Request_Http $request Request to get the host from
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* @return array|false An array of assigned values or a false on a mismatch
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*/
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public function match($request)
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{
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// Check the scheme if required
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if ($this->_scheme !== null) {
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$scheme = $request->getScheme();
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if ($scheme !== $this->_scheme) {
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return false;
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}
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}
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// Get the host and remove unnecessary port information
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$host = $request->getHttpHost();
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if (preg_match('#:\d+$#', $host, $result) === 1) {
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$host = substr($host, 0, -strlen($result[0]));
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}
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$hostStaticCount = 0;
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$values = array();
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$host = trim($host, '.');
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if ($host != '') {
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$host = explode('.', $host);
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foreach ($host as $pos => $hostPart) {
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// Host is longer than a route, it's not a match
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if (!array_key_exists($pos, $this->_parts)) {
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return false;
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}
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$name = isset($this->_variables[$pos]) ? $this->_variables[$pos] : null;
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$hostPart = urldecode($hostPart);
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// If it's a static part, match directly
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if ($name === null && $this->_parts[$pos] != $hostPart) {
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return false;
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}
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// If it's a variable with requirement, match a regex. If not - everything matches
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if ($this->_parts[$pos] !== null && !preg_match($this->_regexDelimiter . '^' . $this->_parts[$pos] . '$' . $this->_regexDelimiter . 'iu', $hostPart)) {
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return false;
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}
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// If it's a variable store it's value for later
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if ($name !== null) {
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$values[$name] = $hostPart;
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} else {
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$hostStaticCount++;
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}
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}
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}
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// Check if all static mappings have been matched
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if ($this->_staticCount != $hostStaticCount) {
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return false;
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}
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$return = $values + $this->_defaults;
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// Check if all map variables have been initialized
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foreach ($this->_variables as $var) {
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if (!array_key_exists($var, $return)) {
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return false;
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}
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}
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$this->_values = $values;
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return $return;
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}
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/**
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* Assembles user submitted parameters forming a hostname defined by this route
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*
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* @param array $data An array of variable and value pairs used as parameters
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* @param boolean $reset Whether or not to set route defaults with those provided in $data
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* @return string Route path with user submitted parameters
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*/
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public function assemble($data = array(), $reset = false, $encode = false, $partial = false)
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{
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$host = array();
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$flag = false;
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foreach ($this->_parts as $key => $part) {
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$name = isset($this->_variables[$key]) ? $this->_variables[$key] : null;
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$useDefault = false;
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if (isset($name) && array_key_exists($name, $data) && $data[$name] === null) {
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$useDefault = true;
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}
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if (isset($name)) {
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if (isset($data[$name]) && !$useDefault) {
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$host[$key] = $data[$name];
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unset($data[$name]);
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} elseif (!$reset && !$useDefault && isset($this->_values[$name])) {
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$host[$key] = $this->_values[$name];
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} elseif (isset($this->_defaults[$name])) {
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$host[$key] = $this->_defaults[$name];
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} else {
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require_once 'Zend/Controller/Router/Exception.php';
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throw new Zend_Controller_Router_Exception($name . ' is not specified');
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}
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} else {
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$host[$key] = $part;
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}
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}
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$return = '';
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foreach (array_reverse($host, true) as $key => $value) {
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if ($flag || !isset($this->_variables[$key]) || $value !== $this->getDefault($this->_variables[$key]) || $partial) {
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if ($encode) $value = urlencode($value);
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$return = '.' . $value . $return;
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$flag = true;
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}
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}
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$url = trim($return, '.');
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if ($this->_scheme !== null) {
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$scheme = $this->_scheme;
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} else {
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$request = $this->getRequest();
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if ($request instanceof Zend_Controller_Request_Http) {
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$scheme = $request->getScheme();
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} else {
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$scheme = 'http';
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}
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}
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$hostname = implode('.', $host);
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$url = $scheme . '://' . $url;
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return $url;
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}
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/**
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* Return a single parameter of route's defaults
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*
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* @param string $name Array key of the parameter
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* @return string Previously set default
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*/
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public function getDefault($name) {
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if (isset($this->_defaults[$name])) {
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return $this->_defaults[$name];
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}
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return null;
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}
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/**
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* Return an array of defaults
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*
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* @return array Route defaults
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*/
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public function getDefaults() {
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return $this->_defaults;
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}
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/**
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* Get all variables which are used by the route
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*
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* @return array
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*/
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public function getVariables()
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{
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return $this->_variables;
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}
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}
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