Error202
/
yii2-bootstrap
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

w

tags/2.0.0-beta
Qiang Xue 14 years ago
parent
3ba68632b2
commit
83068e0d36
2 changed files with 431 additions and 0 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 334
      framework/base/Dictionary.php
  2. 97
      framework/base/DictionaryIterator.php

334
framework/base/Dictionary.php
Unescape View File

@ -0,0 +1,334 @@
<?php
namespace yii\base;
/**
* This file contains classes implementing Map feature.
*
* @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/
*/
/**
* CMap implements a collection that takes key-value pairs.
*
* You can access, add or remove an item with a key by using
* {@link itemAt}, {@link add}, and {@link remove}.
* To get the number of the items in the map, use {@link getCount}.
* CMap can also be used like a regular array as follows,
* <pre>
* $map[$key]=$value; // add a key-value pair
* unset($map[$key]); // remove the value with the specified key
* if(isset($map[$key])) // if the map contains the key
* foreach($map as $key=>$value) // traverse the items in the map
* $n=count($map); // returns the number of items in the map
* </pre>
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: CMap.php 3153 2011-04-01 12:50:06Z qiang.xue $
* @package system.collections
* @since 1.0
*/
class Dictionary extends Component implements \IteratorAggregate, \ArrayAccess, \Countable
{
/**
* @var array internal data storage
*/
private $_d=array();
/**
* @var boolean whether this list is read-only
*/
private $_r=false;
/**
* Constructor.
* Initializes the list with an array or an iterable object.
* @param array $data the intial data. Default is null, meaning no initialization.
* @param boolean $readOnly whether the list is read-only
* @throws CException If data is not null and neither an array nor an iterator.
*/
public function __construct($data=null,$readOnly=false)
{
if($data!==null)
$this->copyFrom($data);
$this->setReadOnly($readOnly);
}
/**
* @return boolean whether this map is read-only or not. Defaults to false.
*/
public function getReadOnly()
{
return $this->_r;
}
/**
* @param boolean $value whether this list is read-only or not
*/
protected function setReadOnly($value)
{
$this->_r=$value;
}
/**
* Returns an iterator for traversing the items in the list.
* This method is required by the interface IteratorAggregate.
* @return CMapIterator an iterator for traversing the items in the list.
*/
public function getIterator()
{
return new CMapIterator($this->_d);
}
/**
* Returns the number of items in the map.
* This method is required by Countable interface.
* @return integer number of items in the map.
*/
public function count()
{
return $this->getCount();
}
/**
* Returns the number of items in the map.
* @return integer the number of items in the map
*/
public function getCount()
{
return count($this->_d);
}
/**
* @return array the key list
*/
public function getKeys()
{
return array_keys($this->_d);
}
/**
* Returns the item with the specified key.
* This method is exactly the same as {@link offsetGet}.
* @param mixed $key the key
* @return mixed the element at the offset, null if no element is found at the offset
*/
public function itemAt($key)
{
if(isset($this->_d[$key]))
return $this->_d[$key];
else
return null;
}
/**
* Adds an item into the map.
* Note, if the specified key already exists, the old value will be overwritten.
* @param mixed $key key
* @param mixed $value value
* @throws CException if the map is read-only
*/
public function add($key,$value)
{
if(!$this->_r)
{
if($key===null)
$this->_d[]=$value;
else
$this->_d[$key]=$value;
}
else
throw new CException(Yii::t('yii','The map is read only.'));
}
/**
* Removes an item from the map by its key.
* @param mixed $key the key of the item to be removed
* @return mixed the removed value, null if no such key exists.
* @throws CException if the map is read-only
*/
public function remove($key)
{
if(!$this->_r)
{
if(isset($this->_d[$key]))
{
$value=$this->_d[$key];
unset($this->_d[$key]);
return $value;
}
else
{
// it is possible the value is null, which is not detected by isset
unset($this->_d[$key]);
return null;
}
}
else
throw new CException(Yii::t('yii','The map is read only.'));
}
/**
* Removes all items in the map.
*/
public function clear()
{
foreach(array_keys($this->_d) as $key)
$this->remove($key);
}
/**
* @param mixed $key the key
* @return boolean whether the map contains an item with the specified key
*/
public function contains($key)
{
return isset($this->_d[$key]) || array_key_exists($key,$this->_d);
}
/**
* @return array the list of items in array
*/
public function toArray()
{
return $this->_d;
}
/**
* Copies iterable data into the map.
* Note, existing data in the map will be cleared first.
* @param mixed $data the data to be copied from, must be an array or object implementing Traversable
* @throws CException If data is neither an array nor an iterator.
*/
public function copyFrom($data)
{
if(is_array($data) || $data instanceof Traversable)
{
if($this->getCount()>0)
$this->clear();
if($data instanceof CMap)
$data=$data->_d;
foreach($data as $key=>$value)
$this->add($key,$value);
}
else if($data!==null)
throw new CException(Yii::t('yii','Map data must be an array or an object implementing Traversable.'));
}
/**
* Merges iterable data into the map.
*
* Existing elements in the map will be overwritten if their keys are the same as those in the source.
* If the merge is recursive, the following algorithm is performed:
* <ul>
* <li>the map data is saved as $a, and the source data is saved as $b;</li>
* <li>if $a and $b both have an array indxed at the same string key, the arrays will be merged using this algorithm;</li>
* <li>any integer-indexed elements in $b will be appended to $a and reindxed accordingly;</li>
* <li>any string-indexed elements in $b will overwrite elements in $a with the same index;</li>
* </ul>
*
* @param mixed $data the data to be merged with, must be an array or object implementing Traversable
* @param boolean $recursive whether the merging should be recursive.
*
* @throws CException If data is neither an array nor an iterator.
*/
public function mergeWith($data,$recursive=true)
{
if(is_array($data) || $data instanceof Traversable)
{
if($data instanceof CMap)
$data=$data->_d;
if($recursive)
{
if($data instanceof Traversable)
{
$d=array();
foreach($data as $key=>$value)
$d[$key]=$value;
$this->_d=self::mergeArray($this->_d,$d);
}
else
$this->_d=self::mergeArray($this->_d,$data);
}
else
{
foreach($data as $key=>$value)
$this->add($key,$value);
}
}
else if($data!==null)
throw new CException(Yii::t('yii','Map data must be an array or an object implementing Traversable.'));
}
/**
* Merges two arrays into one recursively.
* If each array has an element with the same string key value, the latter
* will overwrite the former (different from array_merge_recursive).
* Recursive merging will be conducted if both arrays have an element of array
* type and are having the same key.
* For integer-keyed elements, the elements from the latter array will
* be appended to the former array.
* @param array $a array to be merged to
* @param array $b array to be merged from
* @return array the merged array (the original arrays are not changed.)
* @see mergeWith
*/
public static function mergeArray($a,$b)
{
foreach($b as $k=>$v)
{
if(is_integer($k))
isset($a[$k]) ? $a[]=$v : $a[$k]=$v;
else if(is_array($v) && isset($a[$k]) && is_array($a[$k]))
$a[$k]=self::mergeArray($a[$k],$v);
else
$a[$k]=$v;
}
return $a;
}
/**
* Returns whether there is an element at the specified offset.
* This method is required by the interface ArrayAccess.
* @param mixed $offset the offset to check on
* @return boolean
*/
public function offsetExists($offset)
{
return $this->contains($offset);
}
/**
* Returns the element at the specified offset.
* This method is required by the interface ArrayAccess.
* @param integer $offset the offset to retrieve element.
* @return mixed the element at the offset, null if no element is found at the offset
*/
public function offsetGet($offset)
{
return $this->itemAt($offset);
}
/**
* Sets the element at the specified offset.
* This method is required by the interface ArrayAccess.
* @param integer $offset the offset to set element
* @param mixed $item the element value
*/
public function offsetSet($offset,$item)
{
$this->add($offset,$item);
}
/**
* Unsets the element at the specified offset.
* This method is required by the interface ArrayAccess.
* @param mixed $offset the offset to unset element
*/
public function offsetUnset($offset)
{
$this->remove($offset);
}
}

97
framework/base/DictionaryIterator.php
Unescape View File

@ -0,0 +1,97 @@
<?php
namespace yii\base;
/**
* CMapIterator 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/
*/
/**
* CMapIterator implements an interator for {@link CMap}.
*
* It allows CMap to return a new iterator for traversing the items in the map.
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @version $Id: CMapIterator.php 3186 2011-04-15 22:34:55Z alexander.makarow $
* @package system.collections
* @since 1.0
*/
class DictionaryIterator implements \Iterator
{
/**
* @var array the data to be iterated through
*/
private $_d;
/**
* @var array list of keys in the map
*/
private $_keys;
/**
* @var mixed current key
*/
private $_key;
/**
* Constructor.
* @param array $data the data to be iterated through
*/
public function __construct(&$data)
{
$this->_d=&$data;
$this->_keys=array_keys($data);
$this->_key=reset($this->_keys);
}
/**
* Rewinds internal array pointer.
* This method is required by the interface Iterator.
*/
public function rewind()
{
$this->_key=reset($this->_keys);
}
/**
* Returns the key of the current array element.
* This method is required by the interface Iterator.
* @return mixed the key of the current array element
*/
public function key()
{
return $this->_key;
}
/**
* Returns the current array element.
* This method is required by the interface Iterator.
* @return mixed the current array element
*/
public function current()
{
return $this->_d[$this->_key];
}
/**
* Moves the internal pointer to the next array element.
* This method is required by the interface Iterator.
*/
public function next()
{
$this->_key=next($this->_keys);
}
/**
* Returns whether there is an element at current position.
* This method is required by the interface Iterator.
* @return boolean
*/
public function valid()
{
return $this->_key!==false;
}
}
Write Preview
Loading…
Cancel
Save