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zvect.php

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<?php
#include <zlist.php>
  include_once('/media/SRV/zigmoyd/usr/lib/module/common/zlinkedlist.php');

class zVect extends zList{
  function dataAt($atIndex){
    $i = 0;
    $dummyTmp = $this->getNext();
    while($dummyTmp->hasNext()){
      if($i == $atIndex)return $dummyTmp->getData();
      $dummyTmp = $dummyTmp->getNext();
      $i++;
    }
    if($i == $atIndex)return $dummyTmp->getData();
    return false;
  }
  function &at($atIndex){
    $i = 0;
    $dummyTmp = $this->getNext();
    while($dummyTmp->hasNext()){
      if($i == $atIndex)return $dummyTmp;
      $dummyTmp = $dummyTmp->getNext();
      $i++;
    }
    if($i == $atIndex)return $dummyTmp;
    perror("<code>zigmoyd.comon.vector.at()</code><br />Index $atIndex not accessible. Possible Causes: The length of the vector is less than the index you have Specified e.g. there is no node on $atIndex Index");
    return ($x=false);
  }
  function append($val){
    return parent::addData($val);
  }
  function insert($i, $val){
    $tmpCarry = $this->at($i);
    $tmpHold = $tmpCarry->getNext();
    $dummy = new zItem($this->type);
    $dummy->setData($val);
    $dummy->setNext($tmpHold);
    $tmpCarry->setNext($dummy);
  }
  function find($search){
    for($i=0;$i<$this->length();$i++){
      if($this->dataAt($i) == $search){
        return $i;
      }
    }
    return -1;
  }
  function detach($atIndex){
    $i = 0;
    $dummyTmp = &$this->link;
    while($dummyTmp->hasNext()){
      if($i == $atIndex)return $dummyTmp->removeNext();
      $dummyTmp = &$dummyTmp->link;
      $i++;
    }
    if($i == $atIndex)return $dummyTmp->removeNext();
    return false;
  }
  function remove($atIndex){
    $tmpCarry = $this->at($i);
    $tmpHold = $tmpCarry->getNext();
    $tmpCarry = $tmpCarry->getParent();
    $tmpCarry->setNext($tmpHold);
  }
}
class zVectIterator extends zCore{
  var $vector;
  var $direction=true;
  var $iterationIndex=-1;

  function zVectIterator($vector){
    $this->vector = $vector;
  }
  function toFront(){
    $this->direction=true;
    $this->iterationIndex=0;
  }
  function toBack(){
    $this->direction=false;
    $this->iterationIndex=0;
  }
  function hasNext(){
    $currentNode = $this->vector->at($this->iterationIndex++);
    return $currentNode->hasNext();
  }
  function hasPrevious(){
    $currentNode = $this->vector->at($this->iterationIndex--);
    return $currentNode->hasParent();
  }
  function next(){
    $currentNode = $this->vector->at($this->iterationIndex);
    return $currentNode->getNext();
  }
  function previous(){
    $currentNode = $this->vector->at($this->iterationIndex);
    return $currentNode->getPrevious();
  }
  function value(){
    return $this->vector->dataAt($this->iterationIndex);
  }
  function remove(){
    $this->vector->remove($this->iterationIndex);
  }
  function setValue($val){
    $currentNode = $this->vector->at($this->iterationIndex);
    return $currentNode->setData($val);
  }
  function index(){
    return $this->iterationIndex;
  }
  function size(){
    return $this->vector->length();
  }
  function begin(){
    $currentNode = $this->vector->at($this->iterationIndex);
    return !$currentNode->hasParent();
  }
  function end(){
    $currentNode = $this->vector->at($this->iterationIndex);
    return !$currentNode->hasNext();
  }
}
?>
<?php
// $vector = new zVect("String");
// $vector->append("Sunday");
// $vector->append("Monday");
// $vector->append("Tuesday");
// $vector->append("Thursday");
// $vector->append("Friday");
// $vector->append("Saterday");
// echo $vector->dataAt(3)."\n";
// $vector->insert(2, "Wednesday");
// echo $vector->dataAt(3)."\n";
// $pos = $vector->find("Tuesday")."\n";
// echo $pos."\n";
// echo $vector->dataAt($pos)."\n";
// $tsdayNode = $vector->at($pos);
// echo $tsdayNode->getData()."\n";
// $vector->remove(2);
// echo $vector->length()."\n";
?>

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