include/tools/solar.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_TOOLS_SOLAR_H
  21 #define INCLUDED_TOOLS_SOLAR_H
  22
  23 #include <sal/types.h>
  24 #include <osl/endian.h>
  25
  26 #include <algorithm>
  27
  28 /** Intermediate type to solve type clash with Windows headers.
  29  Should be removed as soon as all code parts have been reviewed
  30  and the correct type is known. Most of the times ULONG is meant
  31  to be a 32-Bit unsigned integer type as sal_uInt32 is often
  32  used for data exchange or for similar method args. */
  33 typedef sal_uIntPtr    sal_uLong; /* Replaces type ULONG */
  34
  35 // misc. macros to leverage platform and compiler differences
  36
  37 // solar binary types
  38
  39 /* Solar (portable) Binary (exchange) Type; OSI 6 subset
  40    always little endian;
  41    not necessarily aligned */
  42
  43 typedef sal_uInt8   SVBT16[2];
  44 typedef sal_uInt8   SVBT32[4];
  45 typedef sal_uInt8   SVBT64[8];
  46
  47 inline sal_uInt16 SVBT16ToUInt16( const SVBT16 p ) { return static_cast<sal_uInt16>
  48                                                      (static_cast<sal_uInt16>(p[0])
  49                                                    + (static_cast<sal_uInt16>(p[1]) <<  8)); }
  50 inline sal_Int16 SVBT16ToInt16( const SVBT16 p ) { return sal_Int16(SVBT16ToUInt16(p)); }
  51 inline sal_uInt32 SVBT32ToUInt32 ( const SVBT32 p ) { return static_cast<sal_uInt32>
  52                                                      (static_cast<sal_uInt32>(p[0])
  53                                                    + (static_cast<sal_uInt32>(p[1]) <<  8)
  54                                                    + (static_cast<sal_uInt32>(p[2]) << 16)
  55                                                    + (static_cast<sal_uInt32>(p[3]) << 24)); }
  56 inline double   SVBT64ToDouble( const SVBT64 p )
  57 {
  58     double n;
  59 #if defined OSL_LITENDIAN
  60     std::copy(p, p + 8, reinterpret_cast<sal_uInt8*>(&n));
  61 #else
  62     std::reverse_copy(p, p + 8, reinterpret_cast<sal_uInt8*>(&n));
  63 #endif
  64     return n;
  65 }
  66
  67 inline void     ShortToSVBT16( sal_uInt16 n, SVBT16 p )
  68 {
  69     p[0] = static_cast<sal_uInt8>(n);
  70     p[1] = static_cast<sal_uInt8>(n >>  8);
  71 }
  72 inline void     UInt32ToSVBT32 ( sal_uInt32  n, SVBT32 p )
  73 {
  74     p[0] = static_cast<sal_uInt8>(n);
  75     p[1] = static_cast<sal_uInt8>(n >>  8);
  76     p[2] = static_cast<sal_uInt8>(n >> 16);
  77     p[3] = static_cast<sal_uInt8>(n >> 24);
  78 }
  79 inline void     Int32ToSVBT32 ( sal_Int32  n, SVBT32 p ) { UInt32ToSVBT32(sal_uInt32(n), p); }
  80 inline void     DoubleToSVBT64( double n, SVBT64 p )
  81 {
  82 #if defined OSL_LITENDIAN
  83     std::copy(reinterpret_cast<sal_uInt8*>(&n), reinterpret_cast<sal_uInt8*>(&n) + 8, p);
  84 #else
  85     std::reverse_copy(reinterpret_cast<sal_uInt8*>(&n), reinterpret_cast<sal_uInt8*>(&n) + 8, p);
  86 #endif
  87 }
  88
  89 #endif
  90
  91 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */