mainfilemanager.php

讲的是网络编程

<?php
//  ------------------------------------------------------------------------ //
//                XOOPS - PHP Content Management System                      //
//                    Copyright (c) 2000 XOOPS.org                           //
//                       <http://www.xoops.org/>                             //
//  ------------------------------------------------------------------------ //
//  This program is free software; you can redistribute it and/or modify     //
//  it under the terms of the GNU General Public License as published by     //
//  the Free Software Foundation; either version 2 of the License, or        //
//  (at your option) any later version.                                      //
//                                                                           //
//  You may not change or alter any portion of this comment or credits       //
//  of supporting developers from this source code or any supporting         //
//  source code which is considered copyrighted (c) material of the          //
//  original comment or credit authors.                                      //
//                                                                           //
//  This program is distributed in the hope that it will be useful,          //
//  but WITHOUT ANY WARRANTY; without even the implied warranty of           //
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
//  GNU General Public License for more details.                             //
//                                                                           //
//  You should have received a copy of the GNU General Public License        //
//  along with this program; if not, write to the Free Software              //
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
//  ------------------------------------------------------------------------ //

/**
* mainfile manager for XOOPS installer
*
* @author Haruki Setoyama  <[e-mail]>
* @version $Id: mainfilemanager.php 1029 2007-09-09 03:49:25Z phppp $
* @access public
**/
class mainfile_manager {

    var $path = '../mainfile.php';
    var $distfile = '../mainfile.dist.php';
    var $rewrite = array();

    var $report = '';
    var $error = false;

    function mainfile_manager(){
        //
    }

    function setRewrite($def, $val){
        $this->rewrite[$def] = $val;
    }

    function copyDistFile(){
        if ( ! copy($this->distfile, $this->path) ) {
            $this->report .= _NGIMG.sprintf(_INSTALL_L126, "<b>".$this->path."</b>")."<br />\n";
            $this->error = true;
            return false;
        }
        $this->report .= _OKIMG.sprintf(_INSTALL_L125, "<b>".$this->path."</b>", "<b>".$this->distfile."</b>")."<br />\n";
        return true;
    }

    function doRewrite(){
		clearstatcache();
        if ( ! $file = fopen($this->path,"r") ) {
            $this->error = true;
            return false;
        }
        $content = fread($file, filesize($this->path) );
        fclose($file);

        foreach($this->rewrite as $key => $val){
            if(is_int($val) &&
             preg_match("/(define\()([\"'])(".$key.")\\2,\s*([0-9]+)\s*\)/",$content)){

                $content = preg_replace("/(define\()([\"'])(".$key.")\\2,\s*([0-9]+)\s*\)/"
                , "define('".$key."', ".$val.")"
                , $content);
                $this->report .= _OKIMG.sprintf(_INSTALL_L121, "<b>$key</b>", $val)."<br />\n";
            }
            elseif(preg_match("/(define\()([\"'])(".$key.")\\2,\s*([\"'])(.*?)\\4\s*\)/",$content)){
                $content = preg_replace("/(define\()([\"'])(".$key.")\\2,\s*([\"'])(.*?)\\4\s*\)/"
                , "define('".$key."', '". str_replace( '$', '\$', addslashes( $val ) ) ."')"
                , $content);
                $this->report .= _OKIMG.sprintf(_INSTALL_L121, "<b>$key</b>", $val)."<br />\n";
            }else{
                $this->error = true;
                $this->report .= _NGIMG.sprintf(_INSTALL_L122, "<b>$val</b>")."<br />\n";
            }
        }

        if ( !$file = fopen($this->path,"w") ) {
            $this->error = true;
            return false;
        }

        if ( fwrite($file,$content) == -1 ) {
            fclose($file);
            $this->error = true;
            return false;
        }

        fclose($file);

        return true;
    }

    function report(){
        $content = "<table align='center'><tr><td align='left'>\n";
        $content .= $this->report;
        $content .= "</td></tr></table>\n";
        return $content;
    }

    function error(){
        return $this->error;
    }
}

?>