zList Class Reference
[OOPS data structures.]

Linked List Class. More...

Inheritance diagram for zList:

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Collaboration diagram for zList:

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Public Member Functions
	zList ($type, $length=-1)
	Constructs the Linked List of the Specified Type You can optionally specify Max Length However iif not specified maxLength would be assumed as Unlimited.
	mexLength ($length=null)
	Returns teh maximum Length of the Linked List.
	length ()
	returns the actual Length of teh List
	addData ($val)
	Adds data to the List.
	isMaxLengthOverFlow ()
	Checks Wheather or not Max Length is over Flown.
Data Fields
	$length = -1

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Detailed Description

Linked List Class.

Definition at line 15 of file zlinkedlist.php.

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Member Function Documentation

zList::zList	(	$	type,
		$	length = -1
	)

Constructs the Linked List of the Specified Type You can optionally specify Max Length However iif not specified maxLength would be assumed as Unlimited.

Parameters:

	$type	String
	$length	Integer

Returns:

zList

Definition at line 31 of file zlinkedlist.php.

References $length, zItem::$type, and length().

                                   {
    $this->length = $length;
    parent::zItem($type);
  }

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zList::mexLength

(

$

length = null

)

Returns teh maximum Length of the Linked List.

You can Change the length by Specifying a value for the additional argument $length

Parameters:

$length

int

Returns:

Integer

Definition at line 41 of file zlinkedlist.php.

References $length, and length().

                                  {
    if($length != null)$this->length = $length;
    return $this->length;
  }

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zList::length

(

)

returns the actual Length of teh List

Returns:

integer

Definition at line 50 of file zlinkedlist.php.

References zItem::hasNext().

Referenced by addData(), zVect::find(), isMaxLengthOverFlow(), mexLength(), and zList().

                   {
    $dummyLink = $this;
    $i = 0;
    while($dummyLink->hasNext()){
      $dummyLink = $dummyLink->getNext();
      $i++;
    }
    return $i;
  }

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zList::addData

(

$

val

)

Adds data to the List.

Just Specify teh Data for the data Block and It will create a Node for It and set it as the Next Element. Returns False and Fires Error in case of Max Length Overflow

Parameters:

$val

mixed

Returns:

boolean

Definition at line 65 of file zlinkedlist.php.

References $val, zItem::hasNext(), isMaxLengthOverFlow(), length(), perror(), and zItem::zItem().

                        {
    if($this->isMaxLengthOverFlow()){
      perror("<code>zigmoyd.common.zList.addData($val)</code><br />Maximum Length Overflow. List is restricted to $this->length Nodes Trying to Insert ".($this->length+1)." th Item");
      return false;
    }
    $dummyLink = null;
    $dummyLink = &$this;
    while($dummyLink->hasNext()){
      $dummyLink = &$dummyLink->link;
    }
    $tmpDummy = new zItem($this->type);
    $tmpDummy->setData($val);
    $dummyLink->setNext(&$tmpDummy);
    return true;
  }

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zList::isMaxLengthOverFlow

(

)

Checks Wheather or not Max Length is over Flown.

Returns:

boolean

Definition at line 85 of file zlinkedlist.php.

References length().

Referenced by addData().

                                {
    return !($this->length == -1 || $this->length() <= $this->length);
  }

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Field Documentation

zList::$length = -1

Definition at line 22 of file zlinkedlist.php.

Referenced by mexLength(), and zList().

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

• zlinkedlist.php