PHPExcel_HashTable Class Reference

Collaboration diagram for PHPExcel_HashTable:

Public Member Functions
	__construct ($pSource=null)
	Create a new PHPExcel_HashTable.
	addFromSource ($pSource=null)
	Add HashTable items from source.
	add (PHPExcel_IComparable $pSource=null)
	Add HashTable item.
	remove (PHPExcel_IComparable $pSource=null)
	Remove HashTable item.
	clear ()
	Clear HashTable.
	count ()
	Count.
	getIndexForHashCode ($pHashCode= '')
	Get index for hash code.
	getByIndex ($pIndex=0)
	Get by index.
	getByHashCode ($pHashCode= '')
	Get by hashcode.
	toArray ()
	HashTable to array.
	__clone ()
	Implement PHP __clone to create a deep clone, not just a shallow copy.

Data Fields
	$_items = array()
	$_keyMap = array()

Detailed Description

Definition at line 36 of file HashTable.php.

Constructor & Destructor Documentation

PHPExcel_HashTable::__construct

(

$pSource = null

)

Create a new PHPExcel_HashTable.

Parameters

PHPExcel_IComparable[]

$pSource Optional source array to create HashTable from

Exceptions

Exception

Definition at line 58 of file HashTable.php.

References addFromSource().

        {
                if (!is_null($pSource)) {
                        // Create HashTable
                        $this->addFromSource($pSource);
                }
        }

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Member Function Documentation

PHPExcel_HashTable::__clone

(

)

Implement PHP __clone to create a deep clone, not just a shallow copy.

Definition at line 194 of file HashTable.php.

                                  {
                $vars = get_object_vars($this);
                foreach ($vars as $key => $value) {
                        if (is_object($value)) {
                                $this->$key = clone $value;
                        }
                }
        }

PHPExcel_HashTable::add

(

PHPExcel_IComparable

$pSource = null

)

Add HashTable item.

Parameters

PHPExcel_IComparable

$pSource

Item to add

Exceptions

Exception

Definition at line 91 of file HashTable.php.

References count().

Referenced by addFromSource().

                                                                  {
                $hash = $pSource->getHashCode();
                if (!isset($this->_items[$hash])) {
                        $this->_items[$hash] = $pSource;
                        $this->_keyMap[count($this->_items) - 1] = $hash;
                }
        }

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PHPExcel_HashTable::addFromSource

(

$pSource = null

)

Add HashTable items from source.

Parameters

PHPExcel_IComparable[]

$pSource Source array to create HashTable from

Exceptions

Exception

Definition at line 72 of file HashTable.php.

References add().

Referenced by __construct().

                                                       {
                // Check if an array was passed
                if ($pSource == null) {
                        return;
                } else if (!is_array($pSource)) {
                        throw new Exception('Invalid array parameter passed.');
                }

                foreach ($pSource as $item) {
                        $this->add($item);
                }
        }

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PHPExcel_HashTable::clear

(

)

Clear HashTable.

Definition at line 128 of file HashTable.php.

                                {
                $this->_items = array();
                $this->_keyMap = array();
        }

PHPExcel_HashTable::count

(

)

Count.

Returns

int

Definition at line 138 of file HashTable.php.

Referenced by add(), and remove().

                                {
                return count($this->_items);
        }

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PHPExcel_HashTable::getByHashCode

(

$pHashCode = ''

)

Get by hashcode.

Parameters

string

$pHashCode

Returns

PHPExcel_IComparable

Definition at line 174 of file HashTable.php.

Referenced by getByIndex().

                                                       {
                if (isset($this->_items[$pHashCode])) {
                        return $this->_items[$pHashCode];
                }

                return null;
        }

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PHPExcel_HashTable::getByIndex

(

$pIndex = 0

)

Get by index.

Parameters

int

$pIndex

Returns

PHPExcel_IComparable

Definition at line 159 of file HashTable.php.

References getByHashCode().

                                                {
                if (isset($this->_keyMap[$pIndex])) {
                        return $this->getByHashCode( $this->_keyMap[$pIndex] );
                }

                return null;
        }

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PHPExcel_HashTable::getIndexForHashCode

(

$pHashCode = ''

)

Get index for hash code.

Parameters

string

$pHashCode

Returns

int Index

Definition at line 148 of file HashTable.php.

                                                             {
                return array_search($pHashCode, $this->_keyMap);
        }

PHPExcel_HashTable::remove

(

PHPExcel_IComparable

$pSource = null

)

Remove HashTable item.

Parameters

PHPExcel_IComparable

$pSource

Item to remove

Exceptions

Exception

Definition at line 105 of file HashTable.php.

References count().

                                                                     {
                $hash = $pSource->getHashCode();
                if (isset($this->_items[$hash])) {
                        unset($this->_items[$hash]);

                        $deleteKey = -1;
                        foreach ($this->_keyMap as $key => $value) {
                                if ($deleteKey >= 0) {
                                        $this->_keyMap[$key - 1] = $value;
                                }

                                if ($value == $hash) {
                                        $deleteKey = $key;
                                }
                        }
                        unset($this->_keyMap[count($this->_keyMap) - 1]);
                }
        }

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PHPExcel_HashTable::toArray

(

)

HashTable to array.

Returns

PHPExcel_IComparable[]

Definition at line 187 of file HashTable.php.

References $_items.

                                  {
                return $this->_items;
        }

Field Documentation

PHPExcel_HashTable::$_items = array()

Definition at line 43 of file HashTable.php.

Referenced by toArray().

PHPExcel_HashTable::$_keyMap = array()

Definition at line 50 of file HashTable.php.

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

• Services/Excel/PHPExcel/1.7.6/Classes/PHPExcel/HashTable.php