/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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.

 */

/*

 * $Id: URLAccessBinInputStream.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#if !defined(URLACCESSBININPUTSTREAM_HPP)

#define URLACCESSBININPUTSTREAM_HPP

#include <xercesc/util/XMLURL.hpp>

#include <xercesc/util/XMLExceptMsgs.hpp>

#include <xercesc/util/BinInputStream.hpp>

#if defined(__APPLE__)

    //	Framework includes from ProjectBuilder

	#include <Carbon/Carbon.h>

#else

    //	Classic includes otherwise

	#include <URLAccess.h>

#endif

XERCES_CPP_NAMESPACE_BEGIN

//

// This class implements the BinInputStream interface specified by the XML

// parser.

//

class XMLUTIL_EXPORT URLAccessBinInputStream : public BinInputStream

{

public :

    URLAccessBinInputStream(const XMLURL&  urlSource);

    ~URLAccessBinInputStream();

    unsigned int curPos() const;

    unsigned int readBytes

    (

                XMLByte* const  toFill

        , const unsigned int    maxToRead

    );

private :

    unsigned int        mBytesProcessed;

    URLReference		mURLReference;

    void*				mBuffer;			// Current buffer from URLAccess (or NULL)

    char*				mBufPos;			// Read position in buffer

    Size				mBufAvailable;		// Bytes available

};

inline unsigned int

URLAccessBinInputStream::curPos() const

{

    return mBytesProcessed;

}

XERCES_CPP_NAMESPACE_END

#endif // URLACCESSBININPUTSTREAM_HPP