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 #ifndef _INFLATER_HXX_ 24 #define _INFLATER_HXX_ 25 26 #include <com/sun/star/uno/Sequence.hxx> 27 28 extern "C" 29 { 30 typedef struct z_stream_s z_stream; 31 } 32 class Inflater 33 { 34 protected: 35 sal_Bool bFinish, bFinished, bSetParams, bNeedDict; 36 sal_Int32 nOffset, nLength, nLastInflateError; 37 z_stream* pStream; 38 com::sun::star::uno::Sequence < sal_Int8 > sInBuffer; 39 sal_Int32 doInflateBytes (com::sun::star::uno::Sequence < sal_Int8 > &rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength); 40 41 public: 42 Inflater(sal_Bool bNoWrap = sal_False); 43 ~Inflater(); 44 void SAL_CALL setInput( const ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer ); 45 sal_Bool SAL_CALL needsDictionary( ); 46 sal_Bool SAL_CALL finished( ); 47 sal_Int32 SAL_CALL doInflateSegment( ::com::sun::star::uno::Sequence< sal_Int8 >& rBuffer, sal_Int32 nNewOffset, sal_Int32 nNewLength ); 48 void SAL_CALL end( ); 49 getLastInflateError()50 sal_Int32 getLastInflateError() { return nLastInflateError; } 51 }; 52 53 #endif 54