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100 lines
3.0 KiB
100 lines
3.0 KiB
// Copyright (c) 2004-2008 MySQL AB, 2008-2009 Sun Microsystems, Inc.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2 as published by
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// the Free Software Foundation
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//
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// There are special exceptions to the terms and conditions of the GPL
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// as it is applied to this software. View the full text of the
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// exception in file EXCEPTIONS in the directory of this software
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// distribution.
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//
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// This program 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 General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; 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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using System;
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using MySql.Data.MySqlClient;
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using MySql.Data.MySqlClient.Properties;
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namespace MySql.Data.Common
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{
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/// <summary>
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/// Summary description for Version.
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/// </summary>
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internal struct DBVersion
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{
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private int major;
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private int minor;
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private int build;
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private string srcString;
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public DBVersion( string s, int major, int minor, int build)
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{
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this.major = major;
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this.minor = minor;
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this.build = build;
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srcString = s;
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}
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public int Major
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{
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get { return major; }
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}
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public int Minor
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{
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get { return minor; }
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}
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public int Build
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{
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get { return build; }
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}
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public static DBVersion Parse( string versionString )
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{
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int start = 0;
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int index = versionString.IndexOf('.', start);
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if (index == -1)
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throw new MySqlException(Resources.BadVersionFormat);
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string val = versionString.Substring(start, index-start).Trim();
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int major = Convert.ToInt32(val, System.Globalization.NumberFormatInfo.InvariantInfo);
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start = index+1;
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index = versionString.IndexOf('.', start);
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if (index == -1)
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throw new MySqlException(Resources.BadVersionFormat);
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val = versionString.Substring(start, index-start).Trim();
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int minor = Convert.ToInt32(val, System.Globalization.NumberFormatInfo.InvariantInfo);
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start = index+1;
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int i = start;
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while (i < versionString.Length && Char.IsDigit(versionString, i))
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i++;
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val = versionString.Substring(start, i-start).Trim();
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int build = Convert.ToInt32(val, System.Globalization.NumberFormatInfo.InvariantInfo);
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return new DBVersion(versionString, major, minor, build);
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}
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public bool isAtLeast(int majorNum, int minorNum, int buildNum)
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{
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if (major > majorNum) return true;
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if (major == majorNum && minor > minorNum) return true;
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if (major == majorNum && minor == minorNum && build >= buildNum) return true;
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return false;
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}
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public override string ToString()
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{
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return srcString;
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}
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}
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}
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