/* ====================================================================
|
Licensed to the Apache Software Foundation (ASF) under one or more
|
contributor license agreements. See the NOTICE file distributed with
|
this work for Additional information regarding copyright ownership.
|
The ASF licenses this file to You 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.
|
==================================================================== */
|
|
/* ================================================================
|
* About NPOI
|
* Author: Tony Qu
|
* Author's email: tonyqus (at) gmail.com
|
* Author's Blog: tonyqus.wordpress.com.cn (wp.tonyqus.cn)
|
* HomePage: http://www.codeplex.com/npoi
|
* Contributors:
|
*
|
* ==============================================================*/
|
|
using System;
|
|
namespace HH.WMS.Utils.NPOI.POIFS.Common
|
{
|
/// <summary>
|
/// A repository for constants shared by POI classes.
|
/// @author Marc Johnson (mjohnson at apache dot org)
|
/// </summary>
|
public class POIFSConstants
|
{
|
/** Most files use 512 bytes as their big block size */
|
public const int SMALLER_BIG_BLOCK_SIZE = 0x0200;
|
|
public static POIFSBigBlockSize SMALLER_BIG_BLOCK_SIZE_DETAILS =
|
new POIFSBigBlockSize(SMALLER_BIG_BLOCK_SIZE, (short)9);
|
/** Some use 4096 bytes */
|
public const int LARGER_BIG_BLOCK_SIZE = 0x1000;
|
public static POIFSBigBlockSize LARGER_BIG_BLOCK_SIZE_DETAILS =
|
new POIFSBigBlockSize(LARGER_BIG_BLOCK_SIZE, (short)12);
|
/** Most files use 512 bytes as their big block size */
|
//[Obsolete]
|
public const int BIG_BLOCK_SIZE = 0x0200;
|
|
/** Most files use 512 bytes as their big block size */
|
//[Obsolete]
|
public const int MINI_BLOCK_SIZE = 64;
|
/** How big a block in the small block stream is. Fixed size */
|
public const int SMALL_BLOCK_SIZE = 0x0040;
|
|
/** How big a single property is */
|
public const int PROPERTY_SIZE = 0x0080;
|
/**
|
* The minimum size of a document before it's stored using
|
* Big Blocks (normal streams). Smaller documents go in the
|
* Mini Stream (SBAT / Small Blocks)
|
*/
|
public const int BIG_BLOCK_MINIMUM_DOCUMENT_SIZE = 0x1000;
|
|
/** The highest sector number you're allowed, 0xFFFFFFFA */
|
public const int LARGEST_REGULAR_SECTOR_NUMBER = -5;
|
/** Indicates the sector holds a FAT block (0xFFFFFFFD) */
|
public const int FAT_SECTOR_BLOCK = -3;
|
/** Indicates the sector holds a DIFAT block (0xFFFFFFFC) */
|
public const int DIFAT_SECTOR_BLOCK = -4;
|
/** Indicates the sector is the end of a chain (0xFFFFFFFE) */
|
public const int END_OF_CHAIN = -2;
|
/** Indicates the sector is not used (0xFFFFFFFF) */
|
public const int UNUSED_BLOCK = -1;
|
/** The first 4 bytes of an OOXML file, used in detection */
|
public static byte[] OOXML_FILE_HEADER =
|
new byte[] { 0x50, 0x4b, 0x03, 0x04 };
|
}
|
}
|
