ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
PHPExcel_CachedObjectStorage_PHPTemp Class Reference
+ Inheritance diagram for PHPExcel_CachedObjectStorage_PHPTemp:
+ Collaboration diagram for PHPExcel_CachedObjectStorage_PHPTemp:

Public Member Functions

 addCacheData ($pCoord, PHPExcel_Cell $cell)
 Add or Update a cell in cache identified by coordinate address. More...
 
 getCacheData ($pCoord)
 Get cell at a specific coordinate. More...
 
 getCellList ()
 Get a list of all cell addresses currently held in cache. More...
 
 copyCellCollection (PHPExcel_Worksheet $parent)
 Clone the cell collection. More...
 
 unsetWorksheetCells ()
 Clear the cell collection and disconnect from our parent. More...
 
 __construct (PHPExcel_Worksheet $parent, $arguments)
 Initialise this new cell collection. More...
 
 __destruct ()
 Destroy this cell collection. More...
 
- Public Member Functions inherited from PHPExcel_CachedObjectStorage_CacheBase
 __construct (PHPExcel_Worksheet $parent)
 Initialise this new cell collection. More...
 
 getParent ()
 Return the parent worksheet for this cell collection. More...
 
 isDataSet ($pCoord)
 Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell? More...
 
 moveCell ($fromAddress, $toAddress)
 Move a cell object from one address to another. More...
 
 updateCacheData (PHPExcel_Cell $cell)
 Add or Update a cell in cache. More...
 
 deleteCacheData ($pCoord)
 Delete a cell in cache identified by coordinate address. More...
 
 getCellList ()
 Get a list of all cell addresses currently held in cache. More...
 
 getSortedCellList ()
 Sort the list of all cell addresses currently held in cache by row and column. More...
 
 getHighestRowAndColumn ()
 Get highest worksheet column and highest row that have cell records. More...
 
 getCurrentAddress ()
 Return the cell address of the currently active cell object. More...
 
 getCurrentColumn ()
 Return the column address of the currently active cell object. More...
 
 getCurrentRow ()
 Return the row address of the currently active cell object. More...
 
 getHighestColumn ($row=null)
 
 getHighestRow ($column=null)
 
 copyCellCollection (PHPExcel_Worksheet $parent)
 Clone the cell collection. More...
 
 removeRow ($row)
 Remove a row, deleting all cells in that row. More...
 
 removeColumn ($column)
 Remove a column, deleting all cells in that column. More...
 
- Public Member Functions inherited from PHPExcel_CachedObjectStorage_ICache
 addCacheData ($pCoord, PHPExcel_Cell $cell)
 Add or Update a cell in cache identified by coordinate address. More...
 
 updateCacheData (PHPExcel_Cell $cell)
 Add or Update a cell in cache. More...
 
 getCacheData ($pCoord)
 Fetch a cell from cache identified by coordinate address. More...
 
 deleteCacheData ($pCoord)
 Delete a cell in cache identified by coordinate address. More...
 
 isDataSet ($pCoord)
 Is a value set in the current PHPExcel_CachedObjectStorage_ICache for an indexed cell? More...
 
 getCellList ()
 Get a list of all cell addresses currently held in cache. More...
 
 getSortedCellList ()
 Get the list of all cell addresses currently held in cache sorted by column and row. More...
 
 copyCellCollection (PHPExcel_Worksheet $parent)
 Clone the cell collection. More...
 

Protected Member Functions

 _storeData ()
 Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current cell object. More...
 
- Protected Member Functions inherited from PHPExcel_CachedObjectStorage_CacheBase
 _getUniqueID ()
 Generate a unique ID for cache referencing. More...
 

Private Attributes

 $_fileHandle = null
 
 $_memoryCacheSize = null
 

Additional Inherited Members

- Static Public Member Functions inherited from PHPExcel_CachedObjectStorage_CacheBase
static cacheMethodIsAvailable ()
 Identify whether the caching method is currently available Some methods are dependent on the availability of certain extensions being enabled in the PHP build. More...
 
- Static Public Member Functions inherited from PHPExcel_CachedObjectStorage_ICache
static cacheMethodIsAvailable ()
 Identify whether the caching method is currently available Some methods are dependent on the availability of certain extensions being enabled in the PHP build. More...
 
- Protected Attributes inherited from PHPExcel_CachedObjectStorage_CacheBase
 $_parent
 
 $_currentObject = null
 
 $_currentObjectID = null
 
 $_currentCellIsDirty = true
 
 $_cellCache = array()
 

Detailed Description

Definition at line 36 of file PHPTemp.php.

Constructor & Destructor Documentation

◆ __construct()

PHPExcel_CachedObjectStorage_PHPTemp::__construct ( PHPExcel_Worksheet  $parent,
  $arguments 
)

Initialise this new cell collection.

Parameters
PHPExcel_Worksheet$parentThe worksheet for this cell collection
arrayof mixed $arguments Additional initialisation arguments

Definition at line 186 of file PHPTemp.php.

186 {
187 $this->_memoryCacheSize = (isset($arguments['memoryCacheSize'])) ? $arguments['memoryCacheSize'] : '1MB';
188
189 parent::__construct($parent);
190 if (is_null($this->_fileHandle)) {
191 $this->_fileHandle = fopen('php://temp/maxmemory:'.$this->_memoryCacheSize,'a+');
192 }
193 } // function __construct()

◆ __destruct()

PHPExcel_CachedObjectStorage_PHPTemp::__destruct ( )

Destroy this cell collection.

Definition at line 199 of file PHPTemp.php.

199 {
200 if (!is_null($this->_fileHandle)) {
201 fclose($this->_fileHandle);
202 }
203 $this->_fileHandle = null;
204 } // function __destruct()

Referenced by unsetWorksheetCells().

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Member Function Documentation

◆ _storeData()

PHPExcel_CachedObjectStorage_PHPTemp::_storeData ( )
protected

Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current cell object.

Returns
void
Exceptions
PHPExcel_Exception

Definition at line 59 of file PHPTemp.php.

59 {
60 if ($this->_currentCellIsDirty && !empty($this->_currentObjectID)) {
61 $this->_currentObject->detach();
62
63 fseek($this->_fileHandle,0,SEEK_END);
64
65 $this->_cellCache[$this->_currentObjectID] = array(
66 'ptr' => ftell($this->_fileHandle),
67 'sz' => fwrite($this->_fileHandle, serialize($this->_currentObject))
68 );
69 $this->_currentCellIsDirty = false;
70 }
71 $this->_currentObjectID = $this->_currentObject = null;
72 } // function _storeData()

References PHPExcel_CachedObjectStorage_CacheBase\$_currentObjectID.

Referenced by addCacheData(), getCacheData(), and getCellList().

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◆ addCacheData()

PHPExcel_CachedObjectStorage_PHPTemp::addCacheData (   $pCoord,
PHPExcel_Cell  $cell 
)

Add or Update a cell in cache identified by coordinate address.

Parameters
string$pCoordCoordinate address of the cell to update
PHPExcel_Cell$cellCell to update
Returns
PHPExcel_Cell
Exceptions
PHPExcel_Exception

Implements PHPExcel_CachedObjectStorage_ICache.

Definition at line 83 of file PHPTemp.php.

83 {
84 if (($pCoord !== $this->_currentObjectID) && ($this->_currentObjectID !== null)) {
85 $this->_storeData();
86 }
87
88 $this->_currentObjectID = $pCoord;
89 $this->_currentObject = $cell;
90 $this->_currentCellIsDirty = true;
91
92 return $cell;
93 } // function addCacheData()
_storeData()
Store cell data in cache for the current cell object if it's "dirty", and the 'nullify' the current c...
Definition: PHPTemp.php:59

References _storeData().

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◆ copyCellCollection()

PHPExcel_CachedObjectStorage_PHPTemp::copyCellCollection ( PHPExcel_Worksheet  $parent)

Clone the cell collection.

Parameters
PHPExcel_Worksheet$parentThe new worksheet
Returns
void

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 147 of file PHPTemp.php.

147 {
148 parent::copyCellCollection($parent);
149 // Open a new stream for the cell cache data
150 $newFileHandle = fopen('php://temp/maxmemory:'.$this->_memoryCacheSize,'a+');
151 // Copy the existing cell cache data to the new stream
152 fseek($this->_fileHandle,0);
153 while (!feof($this->_fileHandle)) {
154 fwrite($newFileHandle,fread($this->_fileHandle, 1024));
155 }
156 $this->_fileHandle = $newFileHandle;
157 } // function copyCellCollection()

◆ getCacheData()

PHPExcel_CachedObjectStorage_PHPTemp::getCacheData (   $pCoord)

Get cell at a specific coordinate.

Parameters
string$pCoordCoordinate of the cell
Exceptions
PHPExcel_Exception
Returns
PHPExcel_Cell Cell that was found, or null if not found

Implements PHPExcel_CachedObjectStorage_ICache.

Definition at line 103 of file PHPTemp.php.

103 {
104 if ($pCoord === $this->_currentObjectID) {
106 }
107 $this->_storeData();
108
109 // Check if the entry that has been requested actually exists
110 if (!isset($this->_cellCache[$pCoord])) {
111 // Return null if requested entry doesn't exist in cache
112 return null;
113 }
114
115 // Set current entry to the requested entry
116 $this->_currentObjectID = $pCoord;
117 fseek($this->_fileHandle,$this->_cellCache[$pCoord]['ptr']);
118 $this->_currentObject = unserialize(fread($this->_fileHandle,$this->_cellCache[$pCoord]['sz']));
119 // Re-attach this as the cell's parent
120 $this->_currentObject->attach($this);
121
122 // Return requested entry
124 } // function getCacheData()

References PHPExcel_CachedObjectStorage_CacheBase\$_currentObject, and _storeData().

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◆ getCellList()

PHPExcel_CachedObjectStorage_PHPTemp::getCellList ( )

Get a list of all cell addresses currently held in cache.

Returns
string[]

Reimplemented from PHPExcel_CachedObjectStorage_CacheBase.

Definition at line 132 of file PHPTemp.php.

132 {
133 if ($this->_currentObjectID !== null) {
134 $this->_storeData();
135 }
136
137 return parent::getCellList();
138 }

References _storeData().

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◆ unsetWorksheetCells()

PHPExcel_CachedObjectStorage_PHPTemp::unsetWorksheetCells ( )

Clear the cell collection and disconnect from our parent.

Returns
void

Definition at line 165 of file PHPTemp.php.

165 {
166 if(!is_null($this->_currentObject)) {
167 $this->_currentObject->detach();
168 $this->_currentObject = $this->_currentObjectID = null;
169 }
170 $this->_cellCache = array();
171
172 // detach ourself from the worksheet, so that it can then delete this object successfully
173 $this->_parent = null;
174
175 // Close down the php://temp file
176 $this->__destruct();
177 } // function unsetWorksheetCells()
__destruct()
Destroy this cell collection.
Definition: PHPTemp.php:199

References __destruct().

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Field Documentation

◆ $_fileHandle

PHPExcel_CachedObjectStorage_PHPTemp::$_fileHandle = null
private

Definition at line 43 of file PHPTemp.php.

◆ $_memoryCacheSize

PHPExcel_CachedObjectStorage_PHPTemp::$_memoryCacheSize = null
private

Definition at line 50 of file PHPTemp.php.


The documentation for this class was generated from the following file: