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ByteOrderDataInStream.h
1 /**********************************************************************
2 * $Id: ByteOrderDataInStream.h 2579 2009-06-15 14:03:52Z strk $
3 *
4 * GEOS - Geometry Engine Open Source
5 * http://geos.refractions.net
6 *
7 * Copyright (C) 2005-2006 Refractions Research Inc.
8 * Copyright (C) 2001-2002 Vivid Solutions Inc.
9 *
10 * This is free software; you can redistribute and/or modify it under
11 * the terms of the GNU Lesser General Public Licence as published
12 * by the Free Software Foundation.
13 * See the COPYING file for more information.
14 *
15 **********************************************************************
16 *
17 * Last port: io/ByteOrderDataInStream.java rev. 1.1 (JTS-1.10)
18 *
19 **********************************************************************/
20
21 #ifndef GEOS_IO_BYTEORDERDATAINSTREAM_H
22 #define GEOS_IO_BYTEORDERDATAINSTREAM_H
23
24 #include <geos/export.h>
25
26 //#include <geos/platform.h>
27 //#include <geos/io/ParseException.h>
28 //#include <geos/io/ByteOrderValues.h>
29 #include <geos/inline.h>
30
31 #include <iosfwd> // ostream, istream (if we remove inlines)
32
33 namespace geos {
34 namespace io {
35
36 /*
37 * \class ByteOrderDataInStream io.h geos.h
38 *
39 * Allows reading an stream of primitive datatypes from an underlying
40 * istream, with the representation being in either common byte ordering.
41 *
42 */
43 class GEOS_DLL ByteOrderDataInStream {
44
45 public:
46
47 ByteOrderDataInStream(std::istream *s=NULL);
48
49 ~ByteOrderDataInStream();
50
55 void setInStream(std::istream *s);
56
57 void setOrder(int order);
58
59 unsigned char readByte(); // throws ParseException
60
61 int readInt(); // throws ParseException
62
63 long readLong(); // throws ParseException
64
65 double readDouble(); // throws ParseException
66
67 private:
68 int byteOrder;
69 std::istream *stream;
70
71 // buffers to hold primitive datatypes
72 unsigned char buf[8];
73
74 };
75
76 } // namespace io
77 } // namespace geos
78
79 #ifdef GEOS_INLINE
80 #include <geos/io/ByteOrderDataInStream.inl>
81 #endif
82
83 #endif // #ifndef GEOS_IO_BYTEORDERDATAINSTREAM_H
84
85 /**********************************************************************
86 * $Log$
87 * Revision 1.2 2006/03/28 11:26:13 strk
88 * ByteOrderDataInStream inlines moved to .inl file, updated
89 * implementation files includes.
90 *
91 * Revision 1.1 2006/03/20 18:18:14 strk
92 * io.h header split
93 *
94 **********************************************************************/