1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_xmlhelp.hxx" 26 #include <util/Decompressor.hxx> 27 #include <util/CompressorIterator.hxx> 28 29 using namespace xmlsearch; 30 using namespace xmlsearch::util; 31 32 const sal_Int32 Decompressor::BitsInByte = 8; 33 const sal_Int32 Decompressor::NBits = 32; 34 getInteger_(const sal_Int8 * v)35inline sal_Int32 getInteger_( const sal_Int8* v ) 36 { 37 return (((((( (v[0]&0xFF) ) << 8 ) 38 | (v[1]&0xFF) ) << 8 ) 39 | (v[2]&0xFF) ) << 8 ) 40 | (v[3]&0xFF); 41 } 42 getNextByte()43sal_Int32 StreamDecompressor::getNextByte() 44 { 45 sal_Int8 a[4]; 46 a[0] = a[1] = a[2] = 0; 47 if( in_->readBytes( &a[3],1 ) != -1 ) 48 return getInteger_( a ); 49 else 50 return -1; 51 } 52