manager.php

来自「视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.」· PHP 代码 · 共 1,313 行 · 第 1/5 页

<?php
// +----------------------------------------------------------------------+
// | PHP Version 4                                                        |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2004 Manuel Lemos, Tomas V.V.Cox,                 |
// | Stig. S. Bakken, Lukas Smith                                         |
// | All rights reserved.                                                 |
// +----------------------------------------------------------------------+
// | MDB is a merge of PEAR DB and Metabases that provides a unified DB   |
// | API as well as database abstraction for PHP applications.            |
// | This LICENSE is in the BSD license style.                            |
// |                                                                      |
// | Redistribution and use in source and binary forms, with or without   |
// | modification, are permitted provided that the following conditions   |
// | are met:                                                             |
// |                                                                      |
// | Redistributions of source code must retain the above copyright       |
// | notice, this list of conditions and the following disclaimer.        |
// |                                                                      |
// | Redistributions in binary form must reproduce the above copyright    |
// | notice, this list of conditions and the following disclaimer in the  |
// | documentation and/or other materials provided with the distribution. |
// |                                                                      |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken,    |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission.                                                  |
// |                                                                      |
// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  |
// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT    |
// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS    |
// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE      |
// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,          |
// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
// |  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED  |
// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          |
// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE          |
// | POSSIBILITY OF SUCH DAMAGE.                                          |
// +----------------------------------------------------------------------+
// | Author: Lukas Smith <[e-mail]>                         |
// +----------------------------------------------------------------------+
//
// $Id: Manager.php,v 1.75.4.4 2004/03/10 14:42:59 lsmith Exp $
//

require_once('MDB/Parser.php');

define('MDB_MANAGER_DUMP_ALL',          0);
define('MDB_MANAGER_DUMP_STRUCTURE',    1);
define('MDB_MANAGER_DUMP_CONTENT',      2);

/**
 * The database manager is a class that provides a set of database
 * management services like installing, altering and dumping the data
 * structures of databases.
 *
 * @package MDB
 * @category Database
 * @author  Lukas Smith <[e-mail]>
 */
class MDB_Manager extends PEAR
{
    // {{{ properties

    var $database;

    var $options = array(
            'fail_on_invalid_names' => 1,
            'debug' => 0
        );
    var $invalid_names = array(
        'user' => array(),
        'is' => array(),
        'file' => array(
            'oci' => array(),
            'oracle' => array()
        ),
        'notify' => array(
            'pgsql' => array()
        ),
        'restrict' => array(
            'mysql' => array()
        ),
        'password' => array(
            'ibase' => array()
        )
    );
    var $default_values = array(
        'integer' => 0,
        'float' => 0,
        'decimal' => 0,
        'text' => '',
        'timestamp' => '0001-01-01 00:00:00',
        'date' => '0001-01-01',
        'time' => '00:00:00'
    );

    var $warnings = array();

    var $database_definition = array(
        'name' => '',
        'create' => 0,
        'TABLES' => array()
    );

    // }}}
    // {{{ raiseError()

    /**
     * This method is used to communicate an error and invoke error
     * callbacks etc.  Basically a wrapper for PEAR::raiseError
     * without the message string.
     *
     * @param mixed $code integer error code, or a PEAR error object (all
     *      other parameters are ignored if this parameter is an object
     * @param int $mode error mode, see PEAR_Error docs
     * @param mixed $options If error mode is PEAR_ERROR_TRIGGER, this is the
     *      error level (E_USER_NOTICE etc).  If error mode is
     *      PEAR_ERROR_CALLBACK, this is the callback function, either as a
     *      function name, or as an array of an object and method name. For
     *      other error modes this parameter is ignored.
     * @param string $userinfo Extra debug information.  Defaults to the last
     *      query and native error code.
     * @param mixed $nativecode Native error code, integer or string depending
     *      the backend.
     * @return object a PEAR error object
     * @access public
     * @see PEAR_Error
     */
    function &raiseError($code = MDB_MANAGER_ERROR, $mode = NULL, $options = NULL,
        $userinfo = NULL, $nativecode = NULL)
    {
        // The error is yet a MDB error object
        if(is_object($code)) {
            $err = PEAR::raiseError($code, NULL, NULL, NULL, NULL, NULL, TRUE);
            return($err);
        }
        
        $err = PEAR::raiseError(NULL, $code, $mode, $options, $userinfo,
            'MDB_Error', TRUE);
        return($err);
    }

    // }}}
    // {{{ captureDebugOutput()

    /**
     * set a debug handler
     *
     * @param string $capture name of the function that should be used in
     *     debug()
     * @access public
     * @see debug()
     */
    function captureDebugOutput($capture)
    {
        $this->options['debug'] = $capture;
        $this->database->captureDebugOutput(1);
    }

    // }}}
    // {{{ debugOutput()

    /**
     * output debug info
     *
     * @return string content of the debug_output class variable
     * @access public
     */
    function debugOutput()
    {
        return($this->database->debugOutput());
    }

    // }}}
    // {{{ resetWarnings()

    /**
     * reset the warning array
     *
     * @access public
     */
    function resetWarnings()
    {
        $this->warnings = array();
    }

    // }}}
    // {{{ getWarnings()

    /**
     * get all warnings in reverse order.
     * This means that the last warning is the first element in the array
     *
     * @return array with warnings
     * @access public
     * @see resetWarnings()
     */
    function getWarnings()
    {
        return array_reverse($this->warnings);
    }

    // }}}
    // {{{ setOption()

    /**
     * set the option for the db class
     *
     * @param string $option option name
     * @param mixed $value value for the option
     * @return mixed MDB_OK or MDB_Error
     * @access public
     */
    function setOption($option, $value)
    {
        if(isset($this->options[$option])) {
            $this->options[$option] = $value;
            return(MDB_OK);
        }
        return($this->raiseError(MDB_ERROR_UNSUPPORTED, NULL, NULL, "unknown option $option"));
    }

    // }}}
    // {{{ getOption()

    /**
     * returns the value of an option
     *
     * @param string $option option name
     * @return mixed the option value or error object
     * @access public
     */
    function getOption($option)
    {
        if(isset($this->options[$option])) {
            return($this->options[$option]);
        }
        return($this->raiseError(MDB_ERROR_UNSUPPORTED, NULL, NULL, "unknown option $option"));
    }

    // }}}
    // {{{ connect()

    /**
     * Create a new MDB connection object and connect to the specified
     * database
     *
     * @param   mixed   $dbinfo   'data source name', see the MDB::parseDSN
     *                            method for a description of the dsn format.
     *                            Can also be specified as an array of the
     *                            format returned by MDB::parseDSN.
     *                            Finally you can also pass an existing db
     *                            object to be used.
     * @param   mixed   $options  An associative array of option names and
     *                            their values.
     * @return  mixed MDB_OK on success, or a MDB error object
     * @access  public
     * @see     MDB::parseDSN
     */
    function &connect(&$dbinfo, $options = FALSE)