source: NonGTP/Xerces/xercesc/util/NetAccessors/MacOSURLAccess/URLAccessBinInputStream.hpp @ 188

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999-2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
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 *
 * 5. Products derived from this software may not be called "Apache",
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation, and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.ibm.com .  For more information
 * on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * Written by James D. Berry 7/20/00
 * Critical Path Software, Inc.
 */

/*
 * $Id: URLAccessBinInputStream.hpp,v 1.3 2002/11/04 15:11:38 tng Exp $
 */

#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