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/* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */
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/*
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Copyright (c) 2000-2011 ymnk, JCraft,Inc. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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3. The names of the authors may not be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT,
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INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This program is based on zlib-1.1.3, so all credit should go authors
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* Jean-loup Gailly(jloup@gzip.org) and Mark Adler(madler@alumni.caltech.edu)
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* and contributors of zlib.
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*/
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package org.apidesign.bck2brwsr.emul.zip;
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import org.apidesign.bck2brwsr.emul.lang.System;
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/**
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* ZStream
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*
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* @deprecated Not for public use in the future.
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*/
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@Deprecated
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class ZStream{
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static final private int MAX_WBITS=15; // 32K LZ77 window
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static final private int DEF_WBITS=MAX_WBITS;
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static final private int Z_NO_FLUSH=0;
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static final private int Z_PARTIAL_FLUSH=1;
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static final private int Z_SYNC_FLUSH=2;
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static final private int Z_FULL_FLUSH=3;
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static final private int Z_FINISH=4;
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static final private int MAX_MEM_LEVEL=9;
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static final private int Z_OK=0;
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static final private int Z_STREAM_END=1;
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static final private int Z_NEED_DICT=2;
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static final private int Z_ERRNO=-1;
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static final private int Z_STREAM_ERROR=-2;
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static final private int Z_DATA_ERROR=-3;
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static final private int Z_MEM_ERROR=-4;
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static final private int Z_BUF_ERROR=-5;
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static final private int Z_VERSION_ERROR=-6;
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public byte[] next_in; // next input byte
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public int next_in_index;
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public int avail_in; // number of bytes available at next_in
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public long total_in; // total nb of input bytes read so far
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public byte[] next_out; // next output byte should be put there
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public int next_out_index;
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public int avail_out; // remaining free space at next_out
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public long total_out; // total nb of bytes output so far
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public String msg;
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Inflate istate;
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int data_type; // best guess about the data type: ascii or binary
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Checksum adler;
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public ZStream(){
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this(new Adler32());
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}
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public ZStream(Checksum adler){
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this.adler=adler;
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}
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public int inflateInit(){
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return inflateInit(DEF_WBITS);
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}
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public int inflateInit(boolean nowrap){
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return inflateInit(DEF_WBITS, nowrap);
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}
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public int inflateInit(int w){
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return inflateInit(w, false);
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}
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public int inflateInit(int w, boolean nowrap){
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istate=new Inflate(this);
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return istate.inflateInit(nowrap?-w:w);
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}
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public int inflate(int f){
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if(istate==null) return Z_STREAM_ERROR;
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return istate.inflate(f);
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}
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public int inflateEnd(){
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if(istate==null) return Z_STREAM_ERROR;
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int ret=istate.inflateEnd();
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// istate = null;
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return ret;
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}
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public int inflateSync(){
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if(istate == null)
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return Z_STREAM_ERROR;
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return istate.inflateSync();
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}
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public int inflateSyncPoint(){
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if(istate == null)
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return Z_STREAM_ERROR;
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return istate.inflateSyncPoint();
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}
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public int inflateSetDictionary(byte[] dictionary, int dictLength){
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if(istate == null)
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return Z_STREAM_ERROR;
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return istate.inflateSetDictionary(dictionary, dictLength);
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}
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public boolean inflateFinished(){
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return istate.mode==12 /*DONE*/;
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}
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public long getAdler(){
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return adler.getValue();
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}
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public void free(){
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next_in=null;
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next_out=null;
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msg=null;
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}
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public void setOutput(byte[] buf){
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setOutput(buf, 0, buf.length);
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}
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public void setOutput(byte[] buf, int off, int len){
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next_out = buf;
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next_out_index = off;
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avail_out = len;
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}
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public void setInput(byte[] buf){
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setInput(buf, 0, buf.length, false);
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}
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public void setInput(byte[] buf, boolean append){
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setInput(buf, 0, buf.length, append);
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}
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public void setInput(byte[] buf, int off, int len, boolean append){
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if(len<=0 && append && next_in!=null) return;
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if(avail_in>0 && append){
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byte[] tmp = new byte[avail_in+len];
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System.arraycopy(next_in, next_in_index, tmp, 0, avail_in);
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System.arraycopy(buf, off, tmp, avail_in, len);
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next_in=tmp;
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next_in_index=0;
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avail_in+=len;
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}
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else{
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next_in=buf;
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next_in_index=off;
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avail_in=len;
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}
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}
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public byte[] getNextIn(){
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return next_in;
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}
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public void setNextIn(byte[] next_in){
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this.next_in = next_in;
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}
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public int getNextInIndex(){
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return next_in_index;
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}
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public void setNextInIndex(int next_in_index){
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this.next_in_index = next_in_index;
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}
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public int getAvailIn(){
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return avail_in;
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}
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public void setAvailIn(int avail_in){
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this.avail_in = avail_in;
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}
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public byte[] getNextOut(){
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return next_out;
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}
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public void setNextOut(byte[] next_out){
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this.next_out = next_out;
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}
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public int getNextOutIndex(){
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return next_out_index;
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}
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public void setNextOutIndex(int next_out_index){
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this.next_out_index = next_out_index;
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}
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public int getAvailOut(){
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return avail_out;
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}
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public void setAvailOut(int avail_out){
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this.avail_out = avail_out;
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}
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public long getTotalOut(){
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return total_out;
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}
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public long getTotalIn(){
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return total_in;
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}
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public String getMessage(){
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return msg;
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}
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/**
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* Those methods are expected to be override by Inflater and Deflater.
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* In the future, they will become abstract methods.
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*/
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public int end(){ return Z_OK; }
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public boolean finished(){ return false; }
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}
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