/* * 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.cpp,v $ * Revision 1.4  2004/09/08 13:56:21  peiyongz * Apache License Version 2.0 * * 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 1.5  2001/11/28 19:05:29  knoaman * Bug 4442: fix by mlovett@uk.ibm.com * * Revision 1.4  2000/05/15 22:31:20  andyh * Replace #include<memory.h> with <string.h> everywhere. * * Revision 1.3  2000/03/02 19:54:38  roddey * This checkin includes many changes done while waiting for the * 1.1.0 code to be finished. I can't list them all here, but a list is * available elsewhere. * * Revision 1.2  2000/02/06 07:48:01  rahulj * Year 2K copyright swat. * * Revision 1.1.1.1  1999/11/09 01:04:05  twl * Initial checkin * * Revision 1.2  1999/11/08 20:45:04  rahul * Swat for adding in Product name and CVS comment log variable. * */// ---------------------------------------------------------------------------//  Includes// ---------------------------------------------------------------------------#include <xercesc/util/BinMemInputStream.hpp>#include <xercesc/framework/MemoryManager.hpp>#include <string.h>XERCES_CPP_NAMESPACE_BEGIN// ---------------------------------------------------------------------------//  BinMemInputStream: Constructors and Destructor// ---------------------------------------------------------------------------BinMemInputStream::BinMemInputStream( const XMLByte* const       initData                                    , const unsigned int         capacity                                    , const BufOpts              bufOpt                                    ,       MemoryManager* const manager) :    fBuffer(0)    , fBufOpt(bufOpt)    , fCapacity(capacity)    , fCurIndex(0)    , fMemoryManager(manager){    // According to the buffer option, do the right thing    if (fBufOpt == BufOpt_Copy)    {        XMLByte* tmpBuf = (XMLByte*) fMemoryManager->allocate        (            fCapacity * sizeof(XMLByte)        );//new XMLByte[fCapacity];        memcpy(tmpBuf, initData, capacity);        fBuffer = tmpBuf;    }     else    {        fBuffer = initData;    }}BinMemInputStream::~BinMemInputStream(){    //    //  If we adopted or copied the buffer, then clean it up. We have to    //  cast off the const'ness in that case in order to delete it.    //    if ((fBufOpt == BufOpt_Adopt) || (fBufOpt == BufOpt_Copy))        fMemoryManager->deallocate((XMLByte*)fBuffer);//delete [] (XMLByte*)fBuffer;}// ---------------------------------------------------------------------------//  MemBinInputStream: Implementation of the input stream interface// ---------------------------------------------------------------------------unsigned int BinMemInputStream::readBytes(          XMLByte* const  toFill                                            , const unsigned int    maxToRead){    //    //  Figure out how much we can really read. Its the smaller of the    //  amount available and the amount asked for.    //    const unsigned int available = (fCapacity - fCurIndex);    if (!available)        return 0;    const unsigned int actualToRead = available < maxToRead ?                                      available : maxToRead;    memcpy(toFill, &fBuffer[fCurIndex], actualToRead);    fCurIndex += actualToRead;    return actualToRead;}XERCES_CPP_NAMESPACE_END