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82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
1 month ago
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/**********************************************************************
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*
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* GEOS - Geometry Engine Open Source
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* http://geos.osgeo.org
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*
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* Copyright (C) 2005-2006 Refractions Research Inc.
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* Copyright (C) 2001-2002 Vivid Solutions Inc.
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*
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* This is free software; you can redistribute and/or modify it under
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* the terms of the GNU Lesser General Public Licence as published
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* by the Free Software Foundation.
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* See the COPYING file for more information.
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*
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**********************************************************************
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*
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* Last port: io/ByteOrderDataInStream.java rev. 1.1 (JTS-1.10)
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*
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**********************************************************************/
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#ifndef GEOS_IO_BYTEORDERDATAINSTREAM_H
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#define GEOS_IO_BYTEORDERDATAINSTREAM_H
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#include <geos/export.h>
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//#include <geos/io/ParseException.h>
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//#include <geos/io/ByteOrderValues.h>
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#include <geos/inline.h>
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#include <iosfwd> // ostream, istream (if we remove inlines)
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namespace geos {
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namespace io {
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/**
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* \class ByteOrderDataInStream
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*
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* \brief Allows reading an stream of primitive datatypes from an underlying
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* istream, with the representation being in either common byte ordering.
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*
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*/
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class GEOS_DLL ByteOrderDataInStream {
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public:
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ByteOrderDataInStream(std::istream* s = nullptr);
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~ByteOrderDataInStream();
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/**
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* Allows a single ByteOrderDataInStream to be reused
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* on multiple istream.
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*/
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void setInStream(std::istream* s);
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void setOrder(int order);
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unsigned char readByte(); // throws ParseException
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int readInt(); // throws ParseException
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long readLong(); // throws ParseException
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double readDouble(); // throws ParseException
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private:
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int byteOrder;
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std::istream* stream;
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// buffers to hold primitive datatypes
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unsigned char buf[8];
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};
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} // namespace io
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} // namespace geos
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#ifdef GEOS_INLINE
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#include <geos/io/ByteOrderDataInStream.inl>
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#endif
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#endif // #ifndef GEOS_IO_BYTEORDERDATAINSTREAM_H
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