/lib/Zend/Controller/Router/Route.php
PHP | 313 lines | 145 code | 57 blank | 111 comment | 46 complexity | facd3459a821fc922f4f934fdda308f0 MD5 | raw file
- <?php
- /**
- * Zend Framework
- *
- * LICENSE
- *
- * This source file is subject to the new BSD license that is bundled
- * with this package in the file LICENSE.txt.
- * It is also available through the world-wide-web at this URL:
- * http://framework.zend.com/license/new-bsd
- * 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 license@zend.com so we can send you a copy immediately.
- *
- * @package Zend_Controller
- * @subpackage Router
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @version $Id: Route.php 11073 2008-08-26 16:29:59Z dasprid $
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- /** Zend_Controller_Router_Route_Abstract */
- #require_once 'Zend/Controller/Router/Route/Abstract.php';
- /**
- * Route
- *
- * @package Zend_Controller
- * @subpackage Router
- * @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- * @see http://manuals.rubyonrails.com/read/chapter/65
- */
- class Zend_Controller_Router_Route extends Zend_Controller_Router_Route_Abstract
- {
- protected $_urlVariable = ':';
- protected $_urlDelimiter = '/';
- protected $_regexDelimiter = '#';
- protected $_defaultRegex = null;
- /**
- * Holds names of all route's pattern variable names. Array index holds a position in URL.
- * @var array
- */
- protected $_variables = array();
- /**
- * Holds Route patterns for all URL parts. In case of a variable it stores it's regex
- * requirement or null. In case of a static part, it holds only it's direct value.
- * In case of a wildcard, it stores an asterisk (*)
- * @var array
- */
- protected $_parts = array();
- /**
- * Holds user submitted default values for route's variables. Name and value pairs.
- * @var array
- */
- protected $_defaults = array();
- /**
- * Holds user submitted regular expression patterns for route's variables' values.
- * Name and value pairs.
- * @var array
- */
- protected $_requirements = array();
- /**
- * Associative array filled on match() that holds matched path values
- * for given variable names.
- * @var array
- */
- protected $_values = array();
- /**
- * Associative array filled on match() that holds wildcard variable
- * names and values.
- * @var array
- */
- protected $_wildcardData = array();
- /**
- * Helper var that holds a count of route pattern's static parts
- * for validation
- * @var int
- */
- protected $_staticCount = 0;
- public function getVersion() {
- return 1;
- }
-
- /**
- * Instantiates route based on passed Zend_Config structure
- *
- * @param Zend_Config $config Configuration object
- */
- public static function getInstance(Zend_Config $config)
- {
- $reqs = ($config->reqs instanceof Zend_Config) ? $config->reqs->toArray() : array();
- $defs = ($config->defaults instanceof Zend_Config) ? $config->defaults->toArray() : array();
- return new self($config->route, $defs, $reqs);
- }
- /**
- * Prepares the route for mapping by splitting (exploding) it
- * to a corresponding atomic parts. These parts are assigned
- * a position which is later used for matching and preparing values.
- *
- * @param string $route Map used to match with later submitted URL path
- * @param array $defaults Defaults for map variables with keys as variable names
- * @param array $reqs Regular expression requirements for variables (keys as variable names)
- */
- public function __construct($route, $defaults = array(), $reqs = array())
- {
- $route = trim($route, $this->_urlDelimiter);
- $this->_defaults = (array) $defaults;
- $this->_requirements = (array) $reqs;
- if ($route != '') {
- foreach (explode($this->_urlDelimiter, $route) as $pos => $part) {
- if (substr($part, 0, 1) == $this->_urlVariable) {
- $name = substr($part, 1);
- $this->_parts[$pos] = (isset($reqs[$name]) ? $reqs[$name] : $this->_defaultRegex);
- $this->_variables[$pos] = $name;
- } else {
- $this->_parts[$pos] = $part;
- if ($part != '*') $this->_staticCount++;
- }
- }
- }
- }
- /**
- * Matches a user submitted path with parts defined by a map. Assigns and
- * returns an array of variables on a successful match.
- *
- * @param string $path Path used to match against this routing map
- * @return array|false An array of assigned values or a false on a mismatch
- */
- public function match($path)
- {
- $pathStaticCount = 0;
- $values = array();
- $path = trim($path, $this->_urlDelimiter);
-
- if ($path != '') {
- $path = explode($this->_urlDelimiter, $path);
- foreach ($path as $pos => $pathPart) {
- // Path is longer than a route, it's not a match
- if (!array_key_exists($pos, $this->_parts)) {
- return false;
- }
-
- // If it's a wildcard, get the rest of URL as wildcard data and stop matching
- if ($this->_parts[$pos] == '*') {
- $count = count($path);
- for($i = $pos; $i < $count; $i+=2) {
- $var = urldecode($path[$i]);
- if (!isset($this->_wildcardData[$var]) && !isset($this->_defaults[$var]) && !isset($values[$var])) {
- $this->_wildcardData[$var] = (isset($path[$i+1])) ? urldecode($path[$i+1]) : null;
- }
- }
- break;
- }
- $name = isset($this->_variables[$pos]) ? $this->_variables[$pos] : null;
- $pathPart = urldecode($pathPart);
- // If it's a static part, match directly
- if ($name === null && $this->_parts[$pos] != $pathPart) {
- return false;
- }
- // If it's a variable with requirement, match a regex. If not - everything matches
- if ($this->_parts[$pos] !== null && !preg_match($this->_regexDelimiter . '^' . $this->_parts[$pos] . '$' . $this->_regexDelimiter . 'iu', $pathPart)) {
- return false;
- }
- // If it's a variable store it's value for later
- if ($name !== null) {
- $values[$name] = $pathPart;
- } else {
- $pathStaticCount++;
- }
-
- }
- }
- // Check if all static mappings have been matched
- if ($this->_staticCount != $pathStaticCount) {
- return false;
- }
- $return = $values + $this->_wildcardData + $this->_defaults;
- // Check if all map variables have been initialized
- foreach ($this->_variables as $var) {
- if (!array_key_exists($var, $return)) {
- return false;
- }
- }
- $this->_values = $values;
-
- return $return;
- }
- /**
- * Assembles user submitted parameters forming a URL path defined by this route
- *
- * @param array $data An array of variable and value pairs used as parameters
- * @param boolean $reset Whether or not to set route defaults with those provided in $data
- * @return string Route path with user submitted parameters
- */
- public function assemble($data = array(), $reset = false, $encode = false)
- {
- $url = array();
- $flag = false;
- foreach ($this->_parts as $key => $part) {
- $name = isset($this->_variables[$key]) ? $this->_variables[$key] : null;
- $useDefault = false;
- if (isset($name) && array_key_exists($name, $data) && $data[$name] === null) {
- $useDefault = true;
- }
- if (isset($name)) {
- if (isset($data[$name]) && !$useDefault) {
- $url[$key] = $data[$name];
- unset($data[$name]);
- } elseif (!$reset && !$useDefault && isset($this->_values[$name])) {
- $url[$key] = $this->_values[$name];
- } elseif (!$reset && !$useDefault && isset($this->_wildcardData[$name])) {
- $url[$key] = $this->_wildcardData[$name];
- } elseif (isset($this->_defaults[$name])) {
- $url[$key] = $this->_defaults[$name];
- } else {
- #require_once 'Zend/Controller/Router/Exception.php';
- throw new Zend_Controller_Router_Exception($name . ' is not specified');
- }
- } elseif ($part != '*') {
- $url[$key] = $part;
- } else {
- if (!$reset) $data += $this->_wildcardData;
- foreach ($data as $var => $value) {
- if ($value !== null) {
- $url[$key++] = $var;
- $url[$key++] = $value;
- $flag = true;
- }
- }
- }
- }
- $return = '';
- foreach (array_reverse($url, true) as $key => $value) {
- if ($flag || !isset($this->_variables[$key]) || $value !== $this->getDefault($this->_variables[$key])) {
- if ($encode) $value = urlencode($value);
- $return = $this->_urlDelimiter . $value . $return;
- $flag = true;
- }
- }
- return trim($return, $this->_urlDelimiter);
- }
- /**
- * Return a single parameter of route's defaults
- *
- * @param string $name Array key of the parameter
- * @return string Previously set default
- */
- public function getDefault($name) {
- if (isset($this->_defaults[$name])) {
- return $this->_defaults[$name];
- }
- return null;
- }
- /**
- * Return an array of defaults
- *
- * @return array Route defaults
- */
- public function getDefaults() {
- return $this->_defaults;
- }
- }