mirror of
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83 lines
1.7 KiB
PHP
83 lines
1.7 KiB
PHP
<?php
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/**
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* Description of FileString
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*
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* @author Sander
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*/
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class FileString extends FileObject {
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private $forcedLength;
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private $data;
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/**
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* Make a string to be stored in a file
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* @param string|int $first Optional, if it is a string, it will be the contents,
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* if it is a number, it will set the forced length.
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* @param int $second Optional, will set the forced length. Can only be used when the
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* first argument is contents.
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*/
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public function __construct($first = null, $second = null){
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$this->forcedLength = -1;
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$this->data = "";
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if($second != null){
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$this->data = $first;
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$this->forcedLength = $second;
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}else if($first != null){
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if(is_string($first)){
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$this->data = $first;
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}else{
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$this->forcedLength = $first;
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}
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}
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}
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public function getByteLength(){
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return $this->getLength();
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}
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public function getLength(){
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if($this->forcedLength >= 0){
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return $this->forcedLength;
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}
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return strlen($this->data);
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}
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public function get(){
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return $this->data;
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}
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public function set($value){
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$this->data = $value;
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}
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public function serialize() {
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$output = $this->data;
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$curLength = strlen($output);
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if($this->forcedLength >= 0){
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if($this->forcedLength > $curLength){
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return str_pad($output, $this->forcedLength, "\0", STR_PAD_RIGHT);
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}elseif($this->forcedLength == $curLength){
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return $output;
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}else{
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return substr($output, 0, $this->forcedLength);
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}
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}
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return $output;
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}
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public function unserialize($data) {
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__construct($data);
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}
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public function __toString(){
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$out = "FileString";
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if($this->forcedLength >= 0){
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$out .= " ".$this->forcedLength;
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}
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$out .= ": {\"".str_replace(array(" ", "\0"), " ", $this->serialize())."\"}";
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return $out;
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}
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}
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?>
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