/* * Copyright 1999-2000,2004 The Apache Software Foundation. * * Licensed 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. */ /* * $Log: BinMemInputStream.hpp,v $ * Revision 1.5 2004/09/08 13:56:21 peiyongz * Apache License Version 2.0 * * Revision 1.4 2004/01/29 11:48:46 cargilld * Code cleanup changes to get rid of various compiler diagnostic messages. * * Revision 1.3 2003/05/16 03:11:22 knoaman * Partial implementation of the configurable memory manager. * * Revision 1.2 2002/11/04 15:22:03 tng * C++ Namespace Support. * * Revision 1.1.1.1 2002/02/01 22:22:10 peiyongz * sane_include * * Revision 1.3 2000/02/24 20:05:24 abagchi * Swat for removing Log from API docs * * Revision 1.2 2000/02/06 07:48:01 rahulj * Year 2K copyright swat. * * Revision 1.1.1.1 1999/11/09 01:04:07 twl * Initial checkin * * Revision 1.3 1999/11/08 20:45:04 rahul * Swat for adding in Product name and CVS comment log variable. * */ #if !defined(BINMEMINPUTSTREAM_HPP) #define BINMEMINPUTSTREAM_HPP #include #include XERCES_CPP_NAMESPACE_BEGIN class XMLUTIL_EXPORT BinMemInputStream : public BinInputStream { public : // ----------------------------------------------------------------------- // Class specific types // ----------------------------------------------------------------------- enum BufOpts { BufOpt_Adopt , BufOpt_Copy , BufOpt_Reference }; // ----------------------------------------------------------------------- // Constructors and Destructor // ----------------------------------------------------------------------- BinMemInputStream ( const XMLByte* const initData , const unsigned int capacity , const BufOpts bufOpt = BufOpt_Copy , MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager ); virtual ~BinMemInputStream(); // ----------------------------------------------------------------------- // Stream management methods // ----------------------------------------------------------------------- void reset(); // ----------------------------------------------------------------------- // Implementation of the input stream interface // ----------------------------------------------------------------------- virtual unsigned int curPos() const; virtual unsigned int readBytes ( XMLByte* const toFill , const unsigned int maxToRead ); private : // ----------------------------------------------------------------------- // Unimplemented constructors and operators // ----------------------------------------------------------------------- BinMemInputStream(const BinMemInputStream&); BinMemInputStream& operator=(const BinMemInputStream&); // ----------------------------------------------------------------------- // Private data members // // fBuffer // The buffer of bytes that we are streaming. // // fBufOpt // Indicates the ownership status of the buffer. The caller can have // us adopt it (we delete it), reference it, or just make our own // copy of it. // // fCapacity // The size of the buffer being streamed. // // fCurIndex // The current index where the next byte will be read from. When it // hits fCapacity, we are done. // ----------------------------------------------------------------------- const XMLByte* fBuffer; BufOpts fBufOpt; unsigned int fCapacity; unsigned int fCurIndex; MemoryManager* fMemoryManager; }; // --------------------------------------------------------------------------- // BinMemInputStream: Stream management methods // --------------------------------------------------------------------------- inline void BinMemInputStream::reset() { fCurIndex = 0; } // --------------------------------------------------------------------------- // BinMemInputStream: Implementation of the input stream interface // --------------------------------------------------------------------------- inline unsigned int BinMemInputStream::curPos() const { return fCurIndex; } XERCES_CPP_NAMESPACE_END #endif