Location: PHPKode > projects > Entier Studio > entierstudio/framework/text.datasource.php
<?php
/**
 * Entier Studio
 *
 * LICENSE
 *
 *	Copyright 2006 Entier Studio team.
 *
 *	Licensed under the Apache License, Version 2.0 (the "License");
 *	you may not use this file except in compliance with the License.
 *	You may obtain a copy of the License at
 *
 *		http://www.apache.org/licenses/LICENSE-2.0
 *
 *	Unless required by applicable law or agreed to in writing, software
 *	distributed under the License is distributed on an "AS IS" BASIS,
 *	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *	See the License for the specific language governing permissions and
 *	limitations under the License.
 *
 * @package    entier.framework
 * @copyright  Copyright (c) 2006 Entier Studio team. All rights reserved.
 * @version	   $Id: text.datasource.php 81 2008-01-17 23:08:21Z yannromefort $
 */
//-----------------------------------------------------------------------------
//	namespace
if (!defined("DefTEXTDataSource")) {
    //-------------------------------------------------------------------------
    //	Define
    define("DefTEXTDataSource", "1");
    //-------------------------------------------------------------------------
    //	Includes
    @require_once (FRAMEWORK_DIR . "datasource.php");
    //-------------------------------------------------------------------------
    //	Class TEXTDataSource
    class TEXTDataSource extends DataSource {
        //---------------------------------------------------------------------
        //	Attributes
        
        /**
         * Parser error code
         * @var	integer
         */
        var $m_ErrorCode = 0;
        //---------------------------------------------------------------------
        //	Constructor
        
        /**
         * Data source constructor
         * @param	string	host
         * @param	string	port
         * @param	string	user
         * @param	string	pass
         * @param	string	base
         */
        function TEXTDataSource($hostName = "", $hostPort = 0, $userName = "", $passWord = "", $dataBase = "") {
            $this->m_protocol = "text";
            $this->m_hostName = $hostName;
            $this->m_hostPort = $hostPort;
            $this->m_userName = $userName;
            $this->m_passWord = $passWord;
            $this->m_dataBase = $dataBase;
        }
        //---------------------------------------------------------------------
        //	Properties
        
        /**
         *
         * overrided DataSource property
         *
         * @return	object
         *
         * @see
         */
        function getDataHandler() {
            //
            return ($this);
        }
        /**
         *
         * overrided DataSource property
         *
         * @return	string
         */
        function errorString() {
            //
            switch ($this->m_ErrorCode) {
                case 1:
                    //
                    return ("");
                    //
                    
                break;
                default:
                    //
                    return ("");
                    //
                    
                break;
            }
            //
            return ("");
        }
        /**
         *
         * overrided DataSource property
         *
         * @return	integer
         */
        function errorNumber() {
            //
            return ($this->m_ErrorCode);
        }
        //---------------------------------------------------------------------
        //	Methods
        //
        //DataSource interface
        //
        
        /**
         *
         * Open a data source
         * @param	string
         * @return	boolean
         *
         */
        function openConnection() {
            //
            if ($this->clearConnection() == false) return (false);
            //
            if (!($this->m_resource = @fopen($this->m_hostName, "r"))) {
                //
                $this->m_ErrorCode = 1;
                //
                return (false);
            }
            //
            return (true);
        }
        /**
         *
         * Close a data source
         * @return	boolean	Return flag
         *
         */
        function closeConnection() {
            //
            if ($this->isConnectionOpen() == false) return (false);
            //
            if (@fclose($this->m_resource)) {
                //
                $this->m_resource = false;
                //
                return (true);
            }
            //
            return (false);
        }
        //
        //TextReader interface
        
        /**
         *
         * Tests for end-of-file on a file pointer
         * @return	boolean
         *
         */
        function EndOfText() {
            //
            return (@feof($this->m_resource));
        }
        /**
         *
         * File read in text mode ( fopen( "r") )
         * @param	integer
         * @return	boolean
         *
         */
        function ReadText($length) {
            //
            return (@fread($this->m_resource, $length));
        }
    };
    //	Class
    //-------------------------------------------------------------------------
    
}
//	namespace
//-----------------------------------------------------------------------------
?>
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