147 lines
5.3 KiB
C#
147 lines
5.3 KiB
C#
// ZipConstants.cs
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// Copyright (C) 2001 Mike Krueger
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//
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// This file was translated from java, it was part of the GNU Classpath
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// Copyright (C) 2001 Free Software Foundation, Inc.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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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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//
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// Linking this library statically or dynamically with other modules is
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// making a combined work based on this library. Thus, the terms and
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// conditions of the GNU General Public License cover the whole
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// combination.
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//
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// As a special exception, the copyright holders of this library give you
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// permission to link this library with independent modules to produce an
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// executable, regardless of the license terms of these independent
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// modules, and to copy and distribute the resulting executable under
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// terms of your choice, provided that you also meet, for each linked
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// independent module, the terms and conditions of the license of that
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// module. An independent module is a module which is not derived from
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// or based on this library. If you modify this library, you may extend
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// this exception to your version of the library, but you are not
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// obligated to do so. If you do not wish to do so, delete this
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// exception statement from your version.
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using System.Text;
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namespace ICSharpCode.SharpZipLib.Zip
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{
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/// <summary>
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/// This class contains constants used for zip.
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/// </summary>
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public sealed class ZipConstants
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{
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/* The local file header */
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public const int LOCHDR = 30;
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public const int LOCSIG = 'P' | ('K' << 8) | (3 << 16) | (4 << 24);
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public const int LOCVER = 4;
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public const int LOCFLG = 6;
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public const int LOCHOW = 8;
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public const int LOCTIM = 10;
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public const int LOCCRC = 14;
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public const int LOCSIZ = 18;
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public const int LOCLEN = 22;
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public const int LOCNAM = 26;
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public const int LOCEXT = 28;
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public const int SPANNINGSIG = 'P' | ('K' << 8) | (7 << 16) | (8 << 24);
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public const int SPANTEMPSIG = 'P' | ('K' << 8) | ('0' << 16) | ('0' << 24);
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/* The Data descriptor */
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public const int EXTSIG = 'P' | ('K' << 8) | (7 << 16) | (8 << 24);
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public const int EXTHDR = 16;
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public const int EXTCRC = 4;
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public const int EXTSIZ = 8;
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public const int EXTLEN = 12;
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/* The central directory file header */
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public const int CENSIG = 'P' | ('K' << 8) | (1 << 16) | (2 << 24);
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/* The central directory file header for 64bit ZIP*/
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public const int CENSIG64 = 'P' | ('K' << 8) | (6 << 16) | (6 << 24);
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public const int CENHDR = 46;
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public const int CENVEM = 4;
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public const int CENVER = 6;
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public const int CENFLG = 8;
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public const int CENHOW = 10;
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public const int CENTIM = 12;
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public const int CENCRC = 16;
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public const int CENSIZ = 20;
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public const int CENLEN = 24;
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public const int CENNAM = 28;
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public const int CENEXT = 30;
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public const int CENCOM = 32;
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public const int CENDSK = 34;
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public const int CENATT = 36;
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public const int CENATX = 38;
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public const int CENOFF = 42;
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/* The entries in the end of central directory */
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public const int ENDSIG = 'P' | ('K' << 8) | (5 << 16) | (6 << 24);
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public const int ENDHDR = 22;
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public const int HDRDIGITALSIG = 'P' | ('K' << 8) | (5 << 16) | (5 << 24);
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public const int CENDIGITALSIG = 'P' | ('K' << 8) | (5 << 16) | (5 << 24);
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/* The following two fields are missing in SUN JDK */
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public const int ENDNRD = 4;
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public const int ENDDCD = 6;
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public const int ENDSUB = 8;
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public const int ENDTOT = 10;
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public const int ENDSIZ = 12;
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public const int ENDOFF = 16;
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public const int ENDCOM = 20;
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static int defaultCodePage = 0; // 0 gives default code page, set it to whatever you like or alternatively alter it via property at runtime for more flexibility
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// Some care for compatability purposes is required as you can specify unicode code pages here.... if this way of working seems ok
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// then some protection may be added to make the interface a bit more robust perhaps.
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public static int DefaultCodePage {
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get {
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return defaultCodePage;
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}
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set {
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defaultCodePage = value;
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}
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}
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public static string ConvertToString(byte[] data)
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{
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#if COMACT_FRAMEWORK
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return Encoding.ASCII.GetString(data,0, data.Length);
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#else
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return Encoding.GetEncoding(DefaultCodePage).GetString(data, 0, data.Length);
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#endif
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}
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public static byte[] ConvertToArray(string str)
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{
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#if COMACT_FRAMEWORK
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return Encoding.ASCII.GetBytes(str);
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#else
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return Encoding.GetEncoding(DefaultCodePage).GetBytes(str);
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#endif
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}
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}
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}
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