xref: /aoo41x/main/offapi/com/sun/star/packages/zip/ZipConstants.idl (revision d1766043)

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 *
 * 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.
 *
 *************************************************************/


#ifndef __com_sun_star_package_zip_ZipConstants_idl__
#define __com_sun_star_package_zip_ZipConstants_idl__



//=============================================================================

module com {  module sun {  module star {   module packages {  module zip {

//=============================================================================

/** defines the constants used by the ZIP interfaces.
 */
published constants ZipConstants
{
	//-------------------------------------------------------------------------
    /** Compression method for the deflate algorithm (the only one currently
	   supported).
	 */
    const short DEFLATED = 8;

	//-------------------------------------------------------------------------
    /** Compression level for no compression.
	 */
    const short NO_COMPRESSION = 0;

	//-------------------------------------------------------------------------
    /** Compression level for fastest compression
	 */
    const short BEST_SPEED = 1;

	//-------------------------------------------------------------------------
    /** Compression level for best compression
	 */
    const short BEST_COMPRESSION = 9;

	//-------------------------------------------------------------------------
    /** Default compression level.
	 */
    const short DEFAULT_COMPRESSION = -1;

	//-------------------------------------------------------------------------
    /** Compression strategy best used for data consisting mostly of small
	  values with a somewhat random distribution. Forces more Huffman
	  coding and less string matching.
	 */
    const short FILTERED = 1;

	//-------------------------------------------------------------------------
    /** Compression strategy for Huffman coding only.
	 */
    const short HUFFMAN_ONLY = 2;

	//-------------------------------------------------------------------------
    /** Default compression strategy
	 */
    const short DEFAULT_STRATEGY = 0;

	//-------------------------------------------------------------------------
    /** entry is uncompressed
	 */
    const short STORED = 0;

	//-------------------------------------------------------------------------
    /** entry is uncompressed
	 */
    const short DEF_MEM_LEVEL = 8;

	//-------------------------------------------------------------------------
	/** Header Signature: "PK\003\004"
	 */
	const long LOCSIG  = 0x04034b50;

	//-------------------------------------------------------------------------
	/** Header Signature: "PK\007\008"
	 */
	const long EXTSIG  = 0x08074b50;

	//-------------------------------------------------------------------------
	/** Header Signature: "PK\001\002"
	 */
    const long CENSIG  = 0x02014b50;

	//-------------------------------------------------------------------------
	/** Header Signature: "PK\005\006"
	 */
    const long ENDSIG  = 0x06054b50;

	//-------------------------------------------------------------------------
	/** Header Signature: "PK\007\008"
	 */
    const long SPANSIG = 0x08074b50;

	//-------------------------------------------------------------------------
	/** LOC header size in bytes (including signatures)
	 */
	const short LOCHDR = 30;

	//-------------------------------------------------------------------------
	/** EXT header size in bytes (including signatures)
	 */
    const short EXTHDR = 16;

	//-------------------------------------------------------------------------
	/** CEN header size in bytes (including signatures)
	 */
    const short CENHDR = 46;

	//-------------------------------------------------------------------------
	/** END header size in bytes (including signatures)
	 */
	const short ENDHDR = 22;

	//-------------------------------------------------------------------------
	/// LOC LOC LOC
    /** LOC header field "version needed to extract" offset
	 */
    const short LOCVER = 4;

	//-------------------------------------------------------------------------
    /** LOC header field "general purpose bit flags" offset
	 */
    const short LOCFLG = 6;

	//-------------------------------------------------------------------------
    /** LOC header field "compression method" offset
	 */
    const short LOCHOW = 8;

	//-------------------------------------------------------------------------
    /** LOC header field "modification time" offset
	 */
    const short LOCTIM = 10;

	//-------------------------------------------------------------------------
    /** LOC header field "crc of uncompressed data" offset
	 */
    const short LOCCRC = 14;

	//-------------------------------------------------------------------------
    /** LOC header field "compressed data size" offset
	 */
	const short LOCSIZ = 18;

	//-------------------------------------------------------------------------
    /** LOC header field "uncompressed data size" offset
	 */
	const short LOCLEN = 22;

	//-------------------------------------------------------------------------
    /** LOC header field "filename length" offset
	 */
	const short LOCNAM = 26;

	//-------------------------------------------------------------------------
    /** LOC header field "extra field length" offset
	 */
	const short LOCEXT = 28;

	//-------------------------------------------------------------------------
	/** EXT header field "crc of uncompressed data" offsets
	 */
	const short EXTCRC = 4;

	//-------------------------------------------------------------------------
	/** EXT header field "compressed size" offsets
	 */
	const short EXTSIZ = 8;

	//-------------------------------------------------------------------------
	/** EXT header field "uncompressed size" offsets
	 */
	const short EXTLEN = 12;

	//-------------------------------------------------------------------------
	/** CEN header field "version made by" offset
	 */
	const short CENVEM = 4;

	//-------------------------------------------------------------------------
	/** CEN header field "version needed to extract" offset
	 */
	const short CENVER = 6;

	//-------------------------------------------------------------------------
	/** CEN header field "general purpose bit flags" offset
	 */
	const short CENFLG = 8;

	//-------------------------------------------------------------------------
	/** CEN header field "compression method" offset
	 */
	const short CENHOW = 10;

	//-------------------------------------------------------------------------
	/** CEN header field "modification time" offset
	 */
	const short CENTIM = 12;

	//-------------------------------------------------------------------------
	/** CEN header field "modification time" offset
	 */
	const short CENDAT = 14;

	//-------------------------------------------------------------------------
	/** CEN header field "crc of uncompressed data" offset
	 */
	const short CENCRC = 16;

	//-------------------------------------------------------------------------
	/** CEN header field "compressed size" offset
	 */
	const short CENSIZ = 20;

	//-------------------------------------------------------------------------
	/** CEN header field "uncompressed size" offset
	 */
	const short CENLEN = 24;

	//-------------------------------------------------------------------------
	/** CEN header field "length of filename" offset
	 */
	const short CENNAM = 28;

	//-------------------------------------------------------------------------
	/** CEN header field "length of extra field" offset
	 */
	const short CENEXT = 30;

	//-------------------------------------------------------------------------
	/** CEN header field "file comment length" offset
	 */
	const short CENCOM = 32;

	//-------------------------------------------------------------------------
	/** CEN header field "disk number start" offset
	 */
	const short CENDSK = 34;

	//-------------------------------------------------------------------------
	/** CEN header field "internal file attributes" offset
	 */
	const short CENATT = 36;

	//-------------------------------------------------------------------------
	/** CEN header field "external file attributes" offset
	 */
	const short CENATX = 38;

	//-------------------------------------------------------------------------
	/** CEN header field "offset of local header" offset
	 */
	const short CENOFF = 42;

	//-------------------------------------------------------------------------
	/** END header field "number of entries on this disk" offset
	 */
	const short ENDSUB = 8;

	//-------------------------------------------------------------------------
	/** END header field "total number of entries" offset
	 */
	const short ENDTOT = 10;

	//-------------------------------------------------------------------------
	/** END header field "central directory size" offset
	 */
	const short ENDSIZ = 12;

	//-------------------------------------------------------------------------
	/** END header field "central directory offset" offset
	 */
	const short ENDOFF = 16;

	//-------------------------------------------------------------------------
	/** END header field "size of zip file comment" offset
	 */
	const short ENDCOM = 20;

};
//=============================================================================

}; }; }; }; };

#endif