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<?php
/**
* CUrlManager class file
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2011 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
/**
* CUrlManager manages the URLs of Yii Web applications.
*
* It provides URL construction ({@link createUrl()}) as well as parsing ({@link parseUrl()}) functionality.
*
* URLs managed via CUrlManager can be in one of the following two formats,
* by setting {@link setUrlFormat urlFormat} property:
* <ul>
* <li>'path' format: /path/to/EntryScript.php/name1/value1/name2/value2...</li>
* <li>'get' format: /path/to/EntryScript.php?name1=value1&name2=value2...</li>
* </ul>
*
* When using 'path' format, CUrlManager uses a set of {@link setRules rules} to:
* <ul>
* <li>parse the requested URL into a route ('ControllerID/ActionID') and GET parameters;</li>
* <li>create URLs based on the given route and GET parameters.</li>
* </ul>
*
* A rule consists of a route and a pattern. The latter is used by CUrlManager to determine
* which rule is used for parsing/creating URLs. A pattern is meant to match the path info
* part of a URL. It may contain named parameters using the syntax '&lt;ParamName:RegExp&gt;'.
*
* When parsing a URL, a matching rule will extract the named parameters from the path info
* and put them into the $_GET variable; when creating a URL, a matching rule will extract
* the named parameters from $_GET and put them into the path info part of the created URL.
*
* If a pattern ends with '/*', it means additional GET parameters may be appended to the path
* info part of the URL; otherwise, the GET parameters can only appear in the query string part.
*
* To specify URL rules, set the {@link setRules rules} property as an array of rules (pattern=>route).
* For example,
* <pre>
* array(
* 'articles'=>'article/list',
* 'article/<id:\d+>/*'=>'article/read',
* )
* </pre>
* Two rules are specified in the above:
* <ul>
* <li>The first rule says that if the user requests the URL '/path/to/index.php/articles',
* it should be treated as '/path/to/index.php/article/list'; and vice versa applies
* when constructing such a URL.</li>
* <li>The second rule contains a named parameter 'id' which is specified using
* the &lt;ParamName:RegExp&gt; syntax. It says that if the user requests the URL
* '/path/to/index.php/article/13', it should be treated as '/path/to/index.php/article/read?id=13';
* and vice versa applies when constructing such a URL.</li>
* </ul>
*
* The route part may contain references to named parameters defined in the pattern part.
* This allows a rule to be applied to different routes based on matching criteria.
* For example,
* <pre>
* array(
* '<_c:(post|comment)>/<id:\d+>/<_a:(create|update|delete)>'=>'<_c>/<_a>',
* '<_c:(post|comment)>/<id:\d+>'=>'<_c>/view',
* '<_c:(post|comment)>s/*'=>'<_c>/list',
* )
* </pre>
* In the above, we use two named parameters '<_c>' and '<_a>' in the route part. The '<_c>'
* parameter matches either 'post' or 'comment', while the '<_a>' parameter matches an action ID.
*
* Like normal rules, these rules can be used for both parsing and creating URLs.
* For example, using the rules above, the URL '/index.php/post/123/create'
* would be parsed as the route 'post/create' with GET parameter 'id' being 123.
* And given the route 'post/list' and GET parameter 'page' being 2, we should get a URL
* '/index.php/posts/page/2'.
*
* It is also possible to include hostname into the rules for parsing and creating URLs.
* One may extract part of the hostname to be a GET parameter.
* For example, the URL <code>http://admin.example.com/en/profile</code> may be parsed into GET parameters
* <code>user=admin</code> and <code>lang=en</code>. On the other hand, rules with hostname may also be used to
* create URLs with parameterized hostnames.
*
* In order to use parameterized hostnames, simply declare URL rules with host info, e.g.:
* <pre>
* array(
* 'http://<user:\w+>.example.com/<lang:\w+>/profile' => 'user/profile',
* )
* </pre>
*
* Starting from version 1.1.8, one can write custom URL rule classes and use them for one or several URL rules.
* For example,
* <pre>
* array(
* // a standard rule
* '<action:(login|logout)>' => 'site/<action>',
* // a custom rule using data in DB
* array(
* 'class' => 'application.components.MyUrlRule',
* 'connectionID' => 'db',
* ),
* )
* </pre>
* Please note that the custom URL rule class should extend from {@link CBaseUrlRule} and
* implement the following two methods,
* <ul>
* <li>{@link CBaseUrlRule::createUrl()}</li>
* <li>{@link CBaseUrlRule::parseUrl()}</li>
* </ul>
*
* CUrlManager is a default application component that may be accessed via
* {@link CWebApplication::getUrlManager()}.
*
* @property string $baseUrl The base URL of the application (the part after host name and before query string).
* If {@link showScriptName} is true, it will include the script name part.
* Otherwise, it will not, and the ending slashes are stripped off.
* @property string $urlFormat The URL format. Defaults to 'path'. Valid values include 'path' and 'get'.
* Please refer to the guide for more details about the difference between these two formats.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package system.web
* @since 1.0
*/
class CUrlManager extends CApplicationComponent
{
const CACHE_KEY='Yii.CUrlManager.rules';
const GET_FORMAT='get';
const PATH_FORMAT='path';
/**
* @var array the URL rules (pattern=>route).
*/
public $rules=array();
/**
* @var string the URL suffix used when in 'path' format.
* For example, ".html" can be used so that the URL looks like pointing to a static HTML page. Defaults to empty.
*/
public $urlSuffix='';
/**
* @var boolean whether to show entry script name in the constructed URL. Defaults to true.
*/
public $showScriptName=true;
/**
* @var boolean whether to append GET parameters to the path info part. Defaults to true.
* This property is only effective when {@link urlFormat} is 'path' and is mainly used when
* creating URLs. When it is true, GET parameters will be appended to the path info and
* separate from each other using slashes. If this is false, GET parameters will be in query part.
*/
public $appendParams=true;
/**
* @var string the GET variable name for route. Defaults to 'r'.
*/
public $routeVar='r';
/**
* @var boolean whether routes are case-sensitive. Defaults to true. By setting this to false,
* the route in the incoming request will be turned to lower case first before further processing.
* As a result, you should follow the convention that you use lower case when specifying
* controller mapping ({@link CWebApplication::controllerMap}) and action mapping
* ({@link CController::actions}). Also, the directory names for organizing controllers should
* be in lower case.
*/
public $caseSensitive=true;
/**
* @var boolean whether the GET parameter values should match the corresponding
* sub-patterns in a rule before using it to create a URL. Defaults to false, meaning
* a rule will be used for creating a URL only if its route and parameter names match the given ones.
* If this property is set true, then the given parameter values must also match the corresponding
* parameter sub-patterns. Note that setting this property to true will degrade performance.
* @since 1.1.0
*/
public $matchValue=false;
/**
* @var string the ID of the cache application component that is used to cache the parsed URL rules.
* Defaults to 'cache' which refers to the primary cache application component.
* Set this property to false if you want to disable caching URL rules.
*/
public $cacheID='cache';
/**
* @var boolean whether to enable strict URL parsing.
* This property is only effective when {@link urlFormat} is 'path'.
* If it is set true, then an incoming URL must match one of the {@link rules URL rules}.
* Otherwise, it will be treated as an invalid request and trigger a 404 HTTP exception.
* Defaults to false.
*/
public $useStrictParsing=false;
/**
* @var string the class name or path alias for the URL rule instances. Defaults to 'CUrlRule'.
* If you change this to something else, please make sure that the new class must extend from
* {@link CBaseUrlRule} and have the same constructor signature as {@link CUrlRule}.
* It must also be serializable and autoloadable.
* @since 1.1.8
*/
public $urlRuleClass='CUrlRule';
private $_urlFormat=self::GET_FORMAT;
private $_rules=array();
private $_baseUrl;
/**
* Initializes the application component.
*/
public function init()
{
parent::init();
$this->processRules();
}
/**
* Processes the URL rules.
*/
protected function processRules()
{
if(empty($this->rules) || $this->getUrlFormat()===self::GET_FORMAT)
return;
if($this->cacheID!==false && ($cache=Yii::app()->getComponent($this->cacheID))!==null)
{
$hash=md5(serialize($this->rules));
if(($data=$cache->get(self::CACHE_KEY))!==false && isset($data[1]) && $data[1]===$hash)
{
$this->_rules=$data[0];
return;
}
}
foreach($this->rules as $pattern=>$route)
$this->_rules[]=$this->createUrlRule($route,$pattern);
if(isset($cache))
$cache->set(self::CACHE_KEY,array($this->_rules,$hash));
}
/**
* Adds new URL rules.
* In order to make the new rules effective, this method must be called BEFORE
* {@link CWebApplication::processRequest}.
* @param array $rules new URL rules (pattern=>route).
* @param boolean $append whether the new URL rules should be appended to the existing ones. If false,
* they will be inserted at the beginning.
* @since 1.1.4
*/
public function addRules($rules,$append=true)
{
if ($append)
{
foreach($rules as $pattern=>$route)
$this->_rules[]=$this->createUrlRule($route,$pattern);
}
else
{
$rules=array_reverse($rules);
foreach($rules as $pattern=>$route)
array_unshift($this->_rules, $this->createUrlRule($route,$pattern));
}
}
/**
* Creates a URL rule instance.
* The default implementation returns a CUrlRule object.
* @param mixed $route the route part of the rule. This could be a string or an array
* @param string $pattern the pattern part of the rule
* @return CUrlRule the URL rule instance
* @since 1.1.0
*/
protected function createUrlRule($route,$pattern)
{
if(is_array($route) && isset($route['class']))
return $route;
else
return new $this->urlRuleClass($route,$pattern);
}
/**
* Constructs a URL.
* @param string $route the controller and the action (e.g. article/read)
* @param array $params list of GET parameters (name=>value). Both the name and value will be URL-encoded.
* If the name is '#', the corresponding value will be treated as an anchor
* and will be appended at the end of the URL.
* @param string $ampersand the token separating name-value pairs in the URL. Defaults to '&'.
* @return string the constructed URL
*/
public function createUrl($route,$params=array(),$ampersand='&')
{
unset($params[$this->routeVar]);
foreach($params as $i=>$param)
if($param===null)
$params[$i]='';
if(isset($params['#']))
{
$anchor='#'.$params['#'];
unset($params['#']);
}
else
$anchor='';
$route=trim($route,'/');
foreach($this->_rules as $i=>$rule)
{
if(is_array($rule))
$this->_rules[$i]=$rule=Yii::createComponent($rule);
if(($url=$rule->createUrl($this,$route,$params,$ampersand))!==false)
{
if($rule->hasHostInfo)
return $url==='' ? '/'.$anchor : $url.$anchor;
else
return $this->getBaseUrl().'/'.$url.$anchor;
}
}
return $this->createUrlDefault($route,$params,$ampersand).$anchor;
}
/**
* Creates a URL based on default settings.
* @param string $route the controller and the action (e.g. article/read)
* @param array $params list of GET parameters
* @param string $ampersand the token separating name-value pairs in the URL.
* @return string the constructed URL
*/
protected function createUrlDefault($route,$params,$ampersand)
{
if($this->getUrlFormat()===self::PATH_FORMAT)
{
$url=rtrim($this->getBaseUrl().'/'.$route,'/');
if($this->appendParams)
{
$url=rtrim($url.'/'.$this->createPathInfo($params,'/','/'),'/');
return $route==='' ? $url : $url.$this->urlSuffix;
}
else
{
if($route!=='')
$url.=$this->urlSuffix;
$query=$this->createPathInfo($params,'=',$ampersand);
return $query==='' ? $url : $url.'?'.$query;
}
}
else
{
$url=$this->getBaseUrl();
if(!$this->showScriptName)
$url.='/';
if($route!=='')
{
$url.='?'.$this->routeVar.'='.$route;
if(($query=$this->createPathInfo($params,'=',$ampersand))!=='')
$url.=$ampersand.$query;
}
elseif(($query=$this->createPathInfo($params,'=',$ampersand))!=='')
$url.='?'.$query;
return $url;
}
}
/**
* Parses the user request.
* @param CHttpRequest $request the request application component
* @return string the route (controllerID/actionID) and perhaps GET parameters in path format.
*/
public function parseUrl($request)
{
if($this->getUrlFormat()===self::PATH_FORMAT)
{
$rawPathInfo=$request->getPathInfo();
$pathInfo=$this->removeUrlSuffix($rawPathInfo,$this->urlSuffix);
foreach($this->_rules as $i=>$rule)
{
if(is_array($rule))
$this->_rules[$i]=$rule=Yii::createComponent($rule);
if(($r=$rule->parseUrl($this,$request,$pathInfo,$rawPathInfo))!==false)
return isset($_GET[$this->routeVar]) ? $_GET[$this->routeVar] : $r;
}
if($this->useStrictParsing)
throw new CHttpException(404,Yii::t('yii','Unable to resolve the request "{route}".',
array('{route}'=>$pathInfo)));
else
return $pathInfo;
}
elseif(isset($_GET[$this->routeVar]))
return $_GET[$this->routeVar];
elseif(isset($_POST[$this->routeVar]))
return $_POST[$this->routeVar];
else
return '';
}
/**
* Parses a path info into URL segments and saves them to $_GET and $_REQUEST.
* @param string $pathInfo path info
*/
public function parsePathInfo($pathInfo)
{
if($pathInfo==='')
return;
$segs=explode('/',$pathInfo.'/');
$n=count($segs);
for($i=0;$i<$n-1;$i+=2)
{
$key=$segs[$i];
if($key==='') continue;
$value=$segs[$i+1];
if(($pos=strpos($key,'['))!==false && ($m=preg_match_all('/\[(.*?)\]/',$key,$matches))>0)
{
$name=substr($key,0,$pos);
for($j=$m-1;$j>=0;--$j)
{
if($matches[1][$j]==='')
$value=array($value);
else
$value=array($matches[1][$j]=>$value);
}
if(isset($_GET[$name]) && is_array($_GET[$name]))
$value=CMap::mergeArray($_GET[$name],$value);
$_REQUEST[$name]=$_GET[$name]=$value;
}
else
$_REQUEST[$key]=$_GET[$key]=$value;
}
}
/**
* Creates a path info based on the given parameters.
* @param array $params list of GET parameters
* @param string $equal the separator between name and value
* @param string $ampersand the separator between name-value pairs
* @param string $key this is used internally.
* @return string the created path info
*/
public function createPathInfo($params,$equal,$ampersand, $key=null)
{
$pairs = array();
foreach($params as $k => $v)
{
if ($key!==null)
$k = $key.'['.$k.']';
if (is_array($v))
$pairs[]=$this->createPathInfo($v,$equal,$ampersand, $k);
else
$pairs[]=urlencode($k).$equal.urlencode($v);
}
return implode($ampersand,$pairs);
}
/**
* Removes the URL suffix from path info.
* @param string $pathInfo path info part in the URL
* @param string $urlSuffix the URL suffix to be removed
* @return string path info with URL suffix removed.
*/
public function removeUrlSuffix($pathInfo,$urlSuffix)
{
if($urlSuffix!=='' && substr($pathInfo,-strlen($urlSuffix))===$urlSuffix)
return substr($pathInfo,0,-strlen($urlSuffix));
else
return $pathInfo;
}
/**
* Returns the base URL of the application.
* @return string the base URL of the application (the part after host name and before query string).
* If {@link showScriptName} is true, it will include the script name part.
* Otherwise, it will not, and the ending slashes are stripped off.
*/
public function getBaseUrl()
{
if($this->_baseUrl!==null)
return $this->_baseUrl;
else
{
if($this->showScriptName)
$this->_baseUrl=Yii::app()->getRequest()->getScriptUrl();
else
$this->_baseUrl=Yii::app()->getRequest()->getBaseUrl();
return $this->_baseUrl;
}
}
/**
* Sets the base URL of the application (the part after host name and before query string).
* This method is provided in case the {@link baseUrl} cannot be determined automatically.
* The ending slashes should be stripped off. And you are also responsible to remove the script name
* if you set {@link showScriptName} to be false.
* @param string $value the base URL of the application
* @since 1.1.1
*/
public function setBaseUrl($value)
{
$this->_baseUrl=$value;
}
/**
* Returns the URL format.
* @return string the URL format. Defaults to 'path'. Valid values include 'path' and 'get'.
* Please refer to the guide for more details about the difference between these two formats.
*/
public function getUrlFormat()
{
return $this->_urlFormat;
}
/**
* Sets the URL format.
* @param string $value the URL format. It must be either 'path' or 'get'.
*/
public function setUrlFormat($value)
{
if($value===self::PATH_FORMAT || $value===self::GET_FORMAT)
$this->_urlFormat=$value;
else
throw new CException(Yii::t('yii','CUrlManager.UrlFormat must be either "path" or "get".'));
}
}
/**
* CBaseUrlRule is the base class for a URL rule class.
*
* Custom URL rule classes should extend from this class and implement two methods:
* {@link createUrl} and {@link parseUrl}.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package system.web
* @since 1.1.8
*/
abstract class CBaseUrlRule extends CComponent
{
/**
* @var boolean whether this rule will also parse the host info part. Defaults to false.
*/
public $hasHostInfo=false;
/**
* Creates a URL based on this rule.
* @param CUrlManager $manager the manager
* @param string $route the route
* @param array $params list of parameters (name=>value) associated with the route
* @param string $ampersand the token separating name-value pairs in the URL.
* @return mixed the constructed URL. False if this rule does not apply.
*/
abstract public function createUrl($manager,$route,$params,$ampersand);
/**
* Parses a URL based on this rule.
* @param CUrlManager $manager the URL manager
* @param CHttpRequest $request the request object
* @param string $pathInfo path info part of the URL (URL suffix is already removed based on {@link CUrlManager::urlSuffix})
* @param string $rawPathInfo path info that contains the potential URL suffix
* @return mixed the route that consists of the controller ID and action ID. False if this rule does not apply.
*/
abstract public function parseUrl($manager,$request,$pathInfo,$rawPathInfo);
}
/**
* CUrlRule represents a URL formatting/parsing rule.
*
* It mainly consists of two parts: route and pattern. The former classifies
* the rule so that it only applies to specific controller-action route.
* The latter performs the actual formatting and parsing role. The pattern
* may have a set of named parameters.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @package system.web
* @since 1.0
*/
class CUrlRule extends CBaseUrlRule
{
/**
* @var string the URL suffix used for this rule.
* For example, ".html" can be used so that the URL looks like pointing to a static HTML page.
* Defaults to null, meaning using the value of {@link CUrlManager::urlSuffix}.
*/
public $urlSuffix;
/**
* @var boolean whether the rule is case sensitive. Defaults to null, meaning
* using the value of {@link CUrlManager::caseSensitive}.
*/
public $caseSensitive;
/**
* @var array the default GET parameters (name=>value) that this rule provides.
* When this rule is used to parse the incoming request, the values declared in this property
* will be injected into $_GET.
*/
public $defaultParams=array();
/**
* @var boolean whether the GET parameter values should match the corresponding
* sub-patterns in the rule when creating a URL. Defaults to null, meaning using the value
* of {@link CUrlManager::matchValue}. When this property is false, it means
* a rule will be used for creating a URL if its route and parameter names match the given ones.
* If this property is set true, then the given parameter values must also match the corresponding
* parameter sub-patterns. Note that setting this property to true will degrade performance.
* @since 1.1.0
*/
public $matchValue;
/**
* @var string the HTTP verb (e.g. GET, POST, DELETE) that this rule should match.
* If this rule can match multiple verbs, please separate them with commas.
* If this property is not set, the rule can match any verb.
* Note that this property is only used when parsing a request. It is ignored for URL creation.
* @since 1.1.7
*/
public $verb;
/**
* @var boolean whether this rule is only used for request parsing.
* Defaults to false, meaning the rule is used for both URL parsing and creation.
* @since 1.1.7
*/
public $parsingOnly=false;
/**
* @var string the controller/action pair
*/
public $route;
/**
* @var array the mapping from route param name to token name (e.g. _r1=><1>)
*/
public $references=array();
/**
* @var string the pattern used to match route
*/
public $routePattern;
/**
* @var string regular expression used to parse a URL
*/
public $pattern;
/**
* @var string template used to construct a URL
*/
public $template;
/**
* @var array list of parameters (name=>regular expression)
*/
public $params=array();
/**
* @var boolean whether the URL allows additional parameters at the end of the path info.
*/
public $append;
/**
* @var boolean whether host info should be considered for this rule
*/
public $hasHostInfo;
/**
* Constructor.
* @param string $route the route of the URL (controller/action)
* @param string $pattern the pattern for matching the URL
*/
public function __construct($route,$pattern)
{
if(is_array($route))
{
foreach(array('urlSuffix', 'caseSensitive', 'defaultParams', 'matchValue', 'verb', 'parsingOnly') as $name)
{
if(isset($route[$name]))
$this->$name=$route[$name];
}
if(isset($route['pattern']))
$pattern=$route['pattern'];
$route=$route[0];
}
$this->route=trim($route,'/');
$tr2['/']=$tr['/']='\\/';
if(strpos($route,'<')!==false && preg_match_all('/<(\w+)>/',$route,$matches2))
{
foreach($matches2[1] as $name)
$this->references[$name]="<$name>";
}
$this->hasHostInfo=!strncasecmp($pattern,'http://',7) || !strncasecmp($pattern,'https://',8);
if($this->verb!==null)
$this->verb=preg_split('/[\s,]+/',strtoupper($this->verb),-1,PREG_SPLIT_NO_EMPTY);
if(preg_match_all('/<(\w+):?(.*?)?>/',$pattern,$matches))
{
$tokens=array_combine($matches[1],$matches[2]);
foreach($tokens as $name=>$value)
{
if($value==='')
$value='[^\/]+';
$tr["<$name>"]="(?P<$name>$value)";
if(isset($this->references[$name]))
$tr2["<$name>"]=$tr["<$name>"];
else
$this->params[$name]=$value;
}
}
$p=rtrim($pattern,'*');
$this->append=$p!==$pattern;
$p=trim($p,'/');
$this->template=preg_replace('/<(\w+):?.*?>/','<$1>',$p);
$this->pattern='/^'.strtr($this->template,$tr).'\/';
if($this->append)
$this->pattern.='/u';
else
$this->pattern.='$/u';
if($this->references!==array())
$this->routePattern='/^'.strtr($this->route,$tr2).'$/u';
if(YII_DEBUG && @preg_match($this->pattern,'test')===false)
throw new CException(Yii::t('yii','The URL pattern "{pattern}" for route "{route}" is not a valid regular expression.',
array('{route}'=>$route,'{pattern}'=>$pattern)));
}
/**
* Creates a URL based on this rule.
* @param CUrlManager $manager the manager
* @param string $route the route
* @param array $params list of parameters
* @param string $ampersand the token separating name-value pairs in the URL.
* @return mixed the constructed URL or false on error
*/
public function createUrl($manager,$route,$params,$ampersand)
{
if($this->parsingOnly)
return false;
if($manager->caseSensitive && $this->caseSensitive===null || $this->caseSensitive)
$case='';
else
$case='i';
$tr=array();
if($route!==$this->route)
{
if($this->routePattern!==null && preg_match($this->routePattern.$case,$route,$matches))
{
foreach($this->references as $key=>$name)
$tr[$name]=$matches[$key];
}
else
return false;
}
foreach($this->defaultParams as $key=>$value)
{
if(isset($params[$key]))
{
if($params[$key]==$value)
unset($params[$key]);
else
return false;
}
}
foreach($this->params as $key=>$value)
if(!isset($params[$key]))
return false;
if($manager->matchValue && $this->matchValue===null || $this->matchValue)
{
foreach($this->params as $key=>$value)
{
if(!preg_match('/\A'.$value.'\z/u'.$case,$params[$key]))
return false;
}
}
foreach($this->params as $key=>$value)
{
$tr["<$key>"]=urlencode($params[$key]);
unset($params[$key]);
}
$suffix=$this->urlSuffix===null ? $manager->urlSuffix : $this->urlSuffix;
$url=strtr($this->template,$tr);
if($this->hasHostInfo)
{
$hostInfo=Yii::app()->getRequest()->getHostInfo();
if(stripos($url,$hostInfo)===0)
$url=substr($url,strlen($hostInfo));
}
if(empty($params))
return $url!=='' ? $url.$suffix : $url;
if($this->append)
$url.='/'.$manager->createPathInfo($params,'/','/').$suffix;
else
{
if($url!=='')
$url.=$suffix;
$url.='?'.$manager->createPathInfo($params,'=',$ampersand);
}
return $url;
}
/**
* Parses a URL based on this rule.
* @param CUrlManager $manager the URL manager
* @param CHttpRequest $request the request object
* @param string $pathInfo path info part of the URL
* @param string $rawPathInfo path info that contains the potential URL suffix
* @return mixed the route that consists of the controller ID and action ID or false on error
*/
public function parseUrl($manager,$request,$pathInfo,$rawPathInfo)
{
if($this->verb!==null && !in_array($request->getRequestType(), $this->verb, true))
return false;
if($manager->caseSensitive && $this->caseSensitive===null || $this->caseSensitive)
$case='';
else
$case='i';
if($this->urlSuffix!==null)
$pathInfo=$manager->removeUrlSuffix($rawPathInfo,$this->urlSuffix);
// URL suffix required, but not found in the requested URL
if($manager->useStrictParsing && $pathInfo===$rawPathInfo)
{
$urlSuffix=$this->urlSuffix===null ? $manager->urlSuffix : $this->urlSuffix;
if($urlSuffix!='' && $urlSuffix!=='/')
return false;
}
if($this->hasHostInfo)
$pathInfo=strtolower($request->getHostInfo()).rtrim('/'.$pathInfo,'/');
$pathInfo.='/';
if(preg_match($this->pattern.$case,$pathInfo,$matches))
{
foreach($this->defaultParams as $name=>$value)
{
if(!isset($_GET[$name]))
$_REQUEST[$name]=$_GET[$name]=$value;
}
$tr=array();
foreach($matches as $key=>$value)
{
if(isset($this->references[$key]))
$tr[$this->references[$key]]=$value;
elseif(isset($this->params[$key]))
$_REQUEST[$key]=$_GET[$key]=$value;
}
if($pathInfo!==$matches[0]) // there're additional GET params
$manager->parsePathInfo(ltrim(substr($pathInfo,strlen($matches[0])),'/'));
if($this->routePattern!==null)
return strtr($this->route,$tr);
else
return $this->route;
}
else
return false;
}
}
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