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153 lines
4.1 KiB
153 lines
4.1 KiB
<?php
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/*
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This file is part of ActiveLink PHP SYS Package (www.active-link.com).
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Copyright (c) 2002-2004 by Zurab Davitiani
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You can contact the author of this software via E-mail at
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hattrick@mailcan.com
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ActiveLink PHP SYS Package is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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ActiveLink PHP SYS Package is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ActiveLink PHP SYS Package; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/**
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* File class provides a wrapper around filesystem file functions
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* @class File
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* @package org.active-link.sys
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* @author Zurab Davitiani
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* @version 0.4.0
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*/
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class File {
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// protected variables
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var $filename;
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var $fileOpenMode;
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var $fileOpenModeRead;
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var $fileOpenModeReadWrite;
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var $fileOpenModeWrite;
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var $fileOpenModeWriteRead;
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var $fileOpenModeAppend;
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var $fileOpenModeAppendRead;
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var $connected;
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var $handleID;
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/**
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* Constructor accepts filename (optional) and open mode (optional, default "r")
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* If filename is specified, it is opened with the supplied open mode
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* @method File
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* @param optional string filename
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* @param optional string fileOpenMode
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*/
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function File($filename = "", $fileOpenMode = "r") {
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$success = true;
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$this->filename = $filename;
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$this->fileOpenMode = $fileOpenMode;
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$this->fileOpenModeRead = "r";
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$this->fileOpenModeReadWrite = "r+";
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$this->fileOpenModeWrite = "w";
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$this->fileOpenModeWriteRead = "w+";
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$this->fileOpenModeAppend = "a";
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$this->fileOpenModeAppendRead = "a+";
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$this->connected = false;
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$this->handleID = false;
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if($this->filename != "")
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$success = $this->open($this->filename, $this->fileOpenMode);
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return $success;
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}
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/**
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* Closes open file handle, resets filename, and file open mode to defaults
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* @method close
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* @returns true if successful, false otherwise
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*/
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function close() {
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$success = fclose($this->handleID);
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if($success) {
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$this->filename = "";
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$this->fileOpenMode = "r";
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$this->connected = false;
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$this->handleID = false;
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}
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return $success;
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}
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/**
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* Returns file contents, optionally specify chunk size number of bytes to use per chunk read (default 8192)
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* @method getContents
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* @param optional int chunkSize
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* @returns string file contents if successful, false otherwise
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*/
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function getContents($chunkSize = 8192) {
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if($this->connected) {
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$fileContents = "";
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do {
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$data = fread($this->handleID, $chunkSize);
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if (strlen($data) == 0) {
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break;
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}
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$fileContents .= $data;
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} while(true);
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return $fileContents;
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}
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else
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return false;
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}
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/**
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* Returns file contents as an array of lines
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* @method getContentsArray
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* @returns array file contents lines
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*/
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function getContentsArray() {
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$fileContentsArray = file($this->filename);
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return $fileContentsArray;
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}
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/**
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* Opens a file with the supplied open mode
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* @method open
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* @param string filename
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* @param optional string fileOpenMode
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* @returns true if successful, false otherwise
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*/
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function open($filename, $mode = "r") {
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$success = false;
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if(!$this->connected) {
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$this->handleID = @fopen($filename, $mode);
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if($this->handleID !== false) {
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$this->filename = $filename;
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$this->fileOpenMode = $mode;
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$this->connected = true;
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$success = true;
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}
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}
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return $success;
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}
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/**
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* Writes supplied string content to already open file handle
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* @method write
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* @param string strContent
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* @returns number of bytes written if successful, false otherwise
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*/
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function write($strContent) {
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$bytesWritten = fwrite($this->handleID, $strContent, strlen($strContent));
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return $bytesWritten;
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}
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}
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?>
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