Commit 41650dd6 by Qiang Xue

...

parent bb92623f
......@@ -9,8 +9,6 @@
namespace yii\base;
use yii\util\ArrayHelper;
/**
* ActionFilter is the base class for all action filters.
*
......@@ -36,7 +34,7 @@ class ActionFilter extends Behavior
*/
public $owner;
/**
* @var array IDs (case-insensitive) of actions that this filter applies to.
* @var array IDs of actions that this filter applies to.
* If this property is empty or not set, it means this filter applies to all actions.
* Note that if an action appears in [[except]], the filter will not apply to this action, even
* if the action also appears in [[only]].
......@@ -44,7 +42,7 @@ class ActionFilter extends Behavior
*/
public $only;
/**
* @var array IDs (case-insensitive) of actions that this filter does NOT apply to.
* @var array IDs of actions that this filter does NOT apply to.
*/
public $except;
......@@ -86,7 +84,7 @@ class ActionFilter extends Behavior
public function applyTo(Action $action)
{
return (empty($this->only) || ArrayHelper::search($action->id, $this->only, false) !== false)
&& (empty($this->except) || ArrayHelper::search($action->id, $this->except, false) === false);
return (empty($this->only) || in_array($action->id, $this->only, false) !== false)
&& (empty($this->except) || in_array($action->id, $this->except, false) === false);
}
}
\ No newline at end of file
......@@ -55,6 +55,10 @@ class View extends Component
* @var mixed custom parameters that are available in the view template
*/
public $params;
/**
* @var Widget[] the widgets that are currently not ended
*/
protected $widgetStack = array();
/**
* Constructor.
......@@ -128,17 +132,20 @@ class View extends Component
return \Yii::createObject($properties, $this->context);
}
public function widget($class, $properties = array())
public function widget($class, $properties = array(), $captureOutput = false)
{
if ($captureOutput) {
ob_start();
ob_implicit_flush(false);
$widget = $this->createWidget($class, $properties);
echo $widget->run();
$widget->run();
return ob_get_clean();
} else {
$widget = $this->createWidget($class, $properties);
$widget->run();
return $widget;
}
/**
* @var Widget[] the widgets that are currently not ended
*/
private $_widgetStack = array();
}
/**
* Begins a widget.
......@@ -149,7 +156,7 @@ class View extends Component
public function beginWidget($class, $properties = array())
{
$widget = $this->createWidget($class, $properties);
$this->_widgetStack[] = $widget;
$this->widgetStack[] = $widget;
return $widget;
}
......@@ -163,8 +170,8 @@ class View extends Component
*/
public function endWidget()
{
if (($widget = array_pop($this->_widgetStack)) !== null) {
echo $widget->run();
if (($widget = array_pop($this->widgetStack)) !== null) {
$widget->run();
return $widget;
} else {
throw new Exception("Unmatched beginWidget() and endWidget() calls.");
......
......@@ -70,7 +70,6 @@ class Widget extends Component implements Initable
/**
* Executes the widget.
* @return string the rendering result of the widget
*/
public function run()
{
......
<?php
/**
* CChainedCacheDependency class file.
* ChainedDependency class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
......@@ -10,12 +10,12 @@
namespace yii\caching;
/**
* CChainedCacheDependency represents a list of cache dependencies.
* ChainedDependency represents a list of cache dependencies.
*
* If any of the dependencies reports a dependency change, CChainedCacheDependency
* If any of the dependencies reports a dependency change, ChainedDependency
* will return true for the checking.
*
* To add dependencies to CChainedCacheDependency, use {@link getDependencies Dependencies}
* To add dependencies to ChainedDependency, use {@link getDependencies Dependencies}
* which gives a {@link CTypedList} instance and can be used like an array
* (see {@link CList} for more details}).
*
......@@ -25,7 +25,7 @@ namespace yii\caching;
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class CChainedCacheDependency extends CComponent implements ICacheDependency
class ChainedDependency extends Dependency
{
private $_dependencies=null;
......
<?php
/**
* CDbCacheDependency class file.
* DbDependency class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
......@@ -11,7 +11,7 @@ namespace yii\caching;
/**
* CDbCacheDependency represents a dependency based on the query result of a SQL statement.
* DbDependency represents a dependency based on the query result of a SQL statement.
*
* If the query result (a scalar) changes, the dependency is considered as changed.
* To specify the SQL statement, set {@link sql} property.
......@@ -21,12 +21,12 @@ namespace yii\caching;
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class CDbCacheDependency extends CCacheDependency
class DbDependency extends CacheDependency
{
/**
* @var string the ID of a {@link CDbConnection} application component. Defaults to 'db'.
*/
public $connectionID='db';
public $connectionID = 'db';
/**
* @var string the SQL statement whose result is used to determine if the dependency has been changed.
* Note, the SQL statement should return back a single value.
......@@ -44,9 +44,9 @@ class CDbCacheDependency extends CCacheDependency
* Constructor.
* @param string $sql the SQL statement whose result is used to determine if the dependency has been changed.
*/
public function __construct($sql=null)
public function __construct($sql = null)
{
$this->sql=$sql;
$this->sql = $sql;
}
/**
......@@ -56,7 +56,7 @@ class CDbCacheDependency extends CCacheDependency
*/
public function __sleep()
{
$this->_db=null;
$this->_db = null;
return array_keys((array)$this);
}
......@@ -65,31 +65,29 @@ class CDbCacheDependency extends CCacheDependency
* This method returns the value of the global state.
* @return mixed the data needed to determine if dependency has been changed.
*/
protected function generateDependentData()
protected function generateDependencyData()
{
if($this->sql!==null)
{
$db=$this->getDbConnection();
$command=$db->createCommand($this->sql);
if(is_array($this->params))
{
foreach($this->params as $name=>$value)
$command->bindValue($name,$value);
if ($this->sql !== null) {
$db = $this->getDbConnection();
$command = $db->createCommand($this->sql);
if (is_array($this->params)) {
foreach ($this->params as $name => $value) {
$command->bindValue($name, $value);
}
if($db->queryCachingDuration>0)
{
}
if ($db->queryCachingDuration > 0) {
// temporarily disable and re-enable query caching
$duration=$db->queryCachingDuration;
$db->queryCachingDuration=0;
$result=$command->queryRow();
$db->queryCachingDuration=$duration;
$duration = $db->queryCachingDuration;
$db->queryCachingDuration = 0;
$result = $command->queryRow();
$db->queryCachingDuration = $duration;
} else {
$result = $command->queryRow();
}
else
$result=$command->queryRow();
return $result;
} else {
throw new CException(Yii::t('yii', 'DbDependency.sql cannot be empty.'));
}
else
throw new CException(Yii::t('yii','CDbCacheDependency.sql cannot be empty.'));
}
/**
......@@ -98,15 +96,15 @@ class CDbCacheDependency extends CCacheDependency
*/
protected function getDbConnection()
{
if($this->_db!==null)
if ($this->_db !== null) {
return $this->_db;
else
{
if(($this->_db=\Yii::$application->getComponent($this->connectionID)) instanceof CDbConnection)
} else {
if (($this->_db = \Yii::$application->getComponent($this->connectionID)) instanceof CDbConnection) {
return $this->_db;
else
throw new CException(Yii::t('yii','CDbCacheDependency.connectionID "{id}" is invalid. Please make sure it refers to the ID of a CDbConnection application component.',
array('{id}'=>$this->connectionID)));
} else {
throw new CException(Yii::t('yii', 'DbDependency.connectionID "{id}" is invalid. Please make sure it refers to the ID of a CDbConnection application component.',
array('{id}' => $this->connectionID)));
}
}
}
}
......@@ -12,37 +12,21 @@ namespace yii\caching;
/**
* Dependency is the base class for cache dependency classes.
*
* Dependency implements the {@link ICacheDependency} interface.
* Child classes should override its {@link generateDependentData} for
* actual dependency checking.
* Child classes should override its [[generateDependencyData()]] for generating
* the actual dependency data.
*
* @property boolean $hasChanged Whether the dependency has changed.
* @property mixed $dependentData The data used to determine if dependency has been changed.
* This data is available after {@link evaluateDependency} is called.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Dependency extends \yii\base\Object
abstract class Dependency extends \yii\base\Object
{
/**
* @var boolean Whether this dependency is reusable or not.
* If set to true, dependent data for this cache dependency will only be generated once per request.
* You can then use the same cache dependency for multiple separate cache calls on the same page
* without the overhead of re-evaluating the dependency each time.
* Defaults to false;
* @since 1.1.11
* @var mixed the dependency data that is saved in cache and later is compared with the
* latest dependency data.
*/
public $reuseDependentData=false;
/**
* @var array cached data for reusable dependencies.
* @since 1.1.11
*/
private static $_reusableData=array();
private $_hash;
private $_data;
public $data;
/**
* Evaluates the dependency by generating and saving the data related with dependency.
......@@ -50,15 +34,7 @@ class Dependency extends \yii\base\Object
*/
public function evaluateDependency()
{
if ($this->reuseDependentData)
{
$hash=$this->getHash();
if (!isset(self::$_reusableData[$hash]['dependentData']))
self::$_reusableData[$hash]['dependentData']=$this->generateDependentData();
$this->_data=self::$_reusableData[$hash]['dependentData'];
}
else
$this->_data=$this->generateDependentData();
$this->data = $this->generateDependencyData();
}
/**
......@@ -66,47 +42,13 @@ class Dependency extends \yii\base\Object
*/
public function getHasChanged()
{
if ($this->reuseDependentData)
{
$hash=$this->getHash();
if (!isset(self::$_reusableData[$hash]['hasChanged']))
{
if (!isset(self::$_reusableData[$hash]['dependentData']))
self::$_reusableData[$hash]['dependentData']=$this->generateDependentData();
self::$_reusableData[$hash]['hasChanged']=self::$_reusableData[$hash]['dependentData']!=$this->_data;
}
return self::$_reusableData[$hash]['hasChanged'];
}
else
return $this->generateDependentData()!=$this->_data;
}
/**
* @return mixed the data used to determine if dependency has been changed.
* This data is available after {@link evaluateDependency} is called.
*/
public function getDependentData()
{
return $this->_data;
return $this->generateDependencyData() != $this->data;
}
/**
* Generates the data needed to determine if dependency has been changed.
* Derived classes should override this method to generate actual dependent data.
* Derived classes should override this method to generate the actual dependency data.
* @return mixed the data needed to determine if dependency has been changed.
*/
protected function generateDependentData()
{
return null;
}
/**
* Generates a unique hash that identifies this cache dependency.
* @return string the hash for this cache dependency
*/
private function getHash()
{
if($this->_hash===null)
$this->_hash=sha1(serialize($this));
return $this->_hash;
}
abstract protected function generateDependencyData();
}
\ No newline at end of file
<?php
/**
* CDirectoryCacheDependency class file.
* DirectoryDependency class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
......@@ -11,9 +11,9 @@ namespace yii\caching;
/**
* CDirectoryCacheDependency represents a dependency based on change of a directory.
* DirectoryDependency represents a dependency based on change of a directory.
*
* CDirectoryCacheDependency performs dependency checking based on the
* DirectoryDependency performs dependency checking based on the
* modification time of the files contained in the specified directory.
* The directory being checked is specified via {@link directory}.
*
......@@ -29,7 +29,7 @@ namespace yii\caching;
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class CDirectoryCacheDependency extends CCacheDependency
class DirectoryDependency extends Dependency
{
/**
* @var string the directory whose change is used to determine if the dependency has been changed.
......@@ -41,7 +41,7 @@ class CDirectoryCacheDependency extends CCacheDependency
* If the value is less than 0, it means unlimited depth.
* If the value is 0, it means checking the files directly under the specified directory.
*/
public $recursiveLevel=-1;
public $recursiveLevel = -1;
/**
* @var string the regular expression matching valid file/directory names.
* Only the matching files or directories will be checked for changes.
......@@ -53,9 +53,9 @@ class CDirectoryCacheDependency extends CCacheDependency
* Constructor.
* @param string $directory the directory to be checked
*/
public function __construct($directory=null)
public function __construct($directory = null)
{
$this->directory=$directory;
$this->directory = $directory;
}
/**
......@@ -63,12 +63,13 @@ class CDirectoryCacheDependency extends CCacheDependency
* This method returns the modification timestamps for files under the directory.
* @return mixed the data needed to determine if dependency has been changed.
*/
protected function generateDependentData()
protected function generateDependencyData()
{
if($this->directory!==null)
if ($this->directory !== null) {
return $this->generateTimestamps($this->directory);
else
throw new CException(Yii::t('yii','CDirectoryCacheDependency.directory cannot be empty.'));
} else {
throw new CException(Yii::t('yii', 'DirectoryDependency.directory cannot be empty.'));
}
}
/**
......@@ -78,28 +79,29 @@ class CDirectoryCacheDependency extends CCacheDependency
* @param integer $level level of the recursion
* @return array list of file modification time indexed by the file path
*/
protected function generateTimestamps($directory,$level=0)
{
if(($dir=@opendir($directory))===false)
throw new CException(Yii::t('yii','"{path}" is not a valid directory.',
array('{path}'=>$directory)));
$timestamps=array();
while(($file=readdir($dir))!==false)
protected function generateTimestamps($directory, $level = 0)
{
$path=$directory.DIRECTORY_SEPARATOR.$file;
if($file==='.' || $file==='..')
if (($dir = @opendir($directory)) === false) {
throw new CException(Yii::t('yii', '"{path}" is not a valid directory.',
array('{path}' => $directory)));
}
$timestamps = array();
while (($file = readdir($dir)) !== false) {
$path = $directory . DIRECTORY_SEPARATOR . $file;
if ($file === '.' || $file === '..') {
continue;
if($this->namePattern!==null && !preg_match($this->namePattern,$file))
}
if ($this->namePattern !== null && !preg_match($this->namePattern, $file)) {
continue;
if(is_file($path))
{
if($this->validateFile($path))
$timestamps[$path]=filemtime($path);
}
else
{
if(($this->recursiveLevel<0 || $level<$this->recursiveLevel) && $this->validateDirectory($path))
$timestamps=array_merge($timestamps, $this->generateTimestamps($path,$level+1));
if (is_file($path)) {
if ($this->validateFile($path)) {
$timestamps[$path] = filemtime($path);
}
} else {
if (($this->recursiveLevel < 0 || $level < $this->recursiveLevel) && $this->validateDirectory($path)) {
$timestamps = array_merge($timestamps, $this->generateTimestamps($path, $level + 1));
}
}
}
closedir($dir);
......
......@@ -45,7 +45,7 @@ class CExpressionDependency extends CCacheDependency
* This method returns the result of the PHP expression.
* @return mixed the data needed to determine if dependency has been changed.
*/
protected function generateDependentData()
protected function generateDependencyData()
{
return $this->evaluateExpression($this->expression);
}
......
<?php
/**
* CFileCacheDependency class file.
* FileDependency class file.
*
* @link http://www.yiiframework.com/
* @copyright Copyright &copy; 2008-2012 Yii Software LLC
......@@ -9,19 +9,16 @@
namespace yii\caching;
/**
* CFileCacheDependency represents a dependency based on a file's last modification time.
* FileDependency represents a dependency based on a file's last modification time.
*
* CFileCacheDependency performs dependency checking based on the
* last modification time of the file specified via {@link fileName}.
* The dependency is reported as unchanged if and only if the file's
* last modification time remains unchanged.
* If th last modification time of the file specified via [[fileName]] is changed,
* the dependency is considered as changed.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class CFileCacheDependency extends CCacheDependency
class FileDependency extends Dependency
{
/**
* @var string the name of the file whose last modification time is used to
......@@ -33,9 +30,9 @@ class CFileCacheDependency extends CCacheDependency
* Constructor.
* @param string $fileName name of the file whose change is to be checked.
*/
public function __construct($fileName=null)
public function __construct($fileName = null)
{
$this->fileName=$fileName;
$this->fileName = $fileName;
}
/**
......@@ -43,11 +40,8 @@ class CFileCacheDependency extends CCacheDependency
* This method returns the file's last modification time.
* @return mixed the data needed to determine if dependency has been changed.
*/
protected function generateDependentData()
protected function generateDependencyData()
{
if($this->fileName!==null)
return @filemtime($this->fileName);
else
throw new CException(Yii::t('yii','CFileCacheDependency.fileName cannot be empty.'));
return $this->fileName !== null ? @filemtime($this->fileName) : 0;
}
}
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