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Diffstat (limited to 'libjava/classpath/java/util/zip/DeflaterConstants.java')
-rw-r--r-- | libjava/classpath/java/util/zip/DeflaterConstants.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libjava/classpath/java/util/zip/DeflaterConstants.java b/libjava/classpath/java/util/zip/DeflaterConstants.java new file mode 100644 index 00000000000..bfef86344a6 --- /dev/null +++ b/libjava/classpath/java/util/zip/DeflaterConstants.java @@ -0,0 +1,78 @@ +/* java.util.zip.DeflaterConstants + Copyright (C) 2001 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package java.util.zip; + +interface DeflaterConstants +{ + boolean DEBUGGING = false; + + int STORED_BLOCK = 0; + int STATIC_TREES = 1; + int DYN_TREES = 2; + int PRESET_DICT = 0x20; + + int DEFAULT_MEM_LEVEL = 8; + + int MAX_MATCH = 258; + int MIN_MATCH = 3; + + int MAX_WBITS = 15; + int WSIZE = 1 << MAX_WBITS; + int WMASK = WSIZE - 1; + + int HASH_BITS = DEFAULT_MEM_LEVEL + 7; + int HASH_SIZE = 1 << HASH_BITS; + int HASH_MASK = HASH_SIZE - 1; + int HASH_SHIFT = (HASH_BITS + MIN_MATCH - 1) / MIN_MATCH; + + int MIN_LOOKAHEAD = MAX_MATCH + MIN_MATCH + 1; + int MAX_DIST = WSIZE - MIN_LOOKAHEAD; + + int PENDING_BUF_SIZE = 1 << (DEFAULT_MEM_LEVEL + 8); + int MAX_BLOCK_SIZE = Math.min(65535, PENDING_BUF_SIZE-5); + + int DEFLATE_STORED = 0; + int DEFLATE_FAST = 1; + int DEFLATE_SLOW = 2; + + int GOOD_LENGTH[] = { 0,4, 4, 4, 4, 8, 8, 8, 32, 32 }; + int MAX_LAZY[] = { 0,4, 5, 6, 4,16, 16, 32, 128, 258 }; + int NICE_LENGTH[] = { 0,8,16,32,16,32,128,128, 258, 258 }; + int MAX_CHAIN[] = { 0,4, 8,32,16,32,128,256,1024,4096 }; + int COMPR_FUNC[] = { 0,1, 1, 1, 1, 2, 2, 2, 2, 2 }; +} |