tools/source/ref/globname.cxx

   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 #include <string.h>
  21
  22 #include <comphelper/mimeconfighelper.hxx>
  23 #include <o3tl/sprintf.hxx>
  24 #include <rtl/character.hxx>
  25
  26 #include <tools/stream.hxx>
  27 #include <tools/globname.hxx>
  28
  29 // SvGlobalName ----------------------------------------------------------------
  30 SvGlobalName::SvGlobalName( const SvGUID & rId ) :
  31     m_aData( rId )
  32 {
  33 }
  34
  35 SvGlobalName::SvGlobalName( sal_uInt32 n1, sal_uInt16 n2, sal_uInt16 n3,
  36                             sal_uInt8 b8, sal_uInt8 b9, sal_uInt8 b10, sal_uInt8 b11,
  37                             sal_uInt8 b12, sal_uInt8 b13, sal_uInt8 b14, sal_uInt8 b15 ) :
  38     m_aData{ n1, n2, n3, { b8, b9, b10, b11, b12, b13, b14, b15 } }
  39 {
  40 }
  41
  42 SvGlobalName::SvGlobalName( const css::uno::Sequence < sal_Int8 >& aSeq )
  43 {
  44     // create SvGlobalName from a platform independent representation
  45     if ( aSeq.getLength() == 16 )
  46     {
  47         m_aData.Data1 = ( ( ( ( ( static_cast<sal_uInt8>(aSeq[0]) << 8 ) + static_cast<sal_uInt8>(aSeq[1]) ) << 8 ) + static_cast<sal_uInt8>(aSeq[2]) ) << 8 ) + static_cast<sal_uInt8>(aSeq[3]);
  48         m_aData.Data2 = ( static_cast<sal_uInt8>(aSeq[4]) << 8 ) + static_cast<sal_uInt8>(aSeq[5]);
  49         m_aData.Data3 = ( static_cast<sal_uInt8>(aSeq[6]) << 8 ) + static_cast<sal_uInt8>(aSeq[7]);
  50         for( int nInd = 0; nInd < 8; nInd++ )
  51             m_aData.Data4[nInd] = static_cast<sal_uInt8>(aSeq[nInd+8]);
  52     }
  53 }
  54
  55 SvStream& WriteSvGlobalName( SvStream& rOStr, const SvGlobalName & rObj )
  56 {
  57     rOStr.WriteUInt32( rObj.m_aData.Data1 );
  58     rOStr.WriteUInt16( rObj.m_aData.Data2 );
  59     rOStr.WriteUInt16( rObj.m_aData.Data3 );
  60     rOStr.WriteBytes( &rObj.m_aData.Data4, 8 );
  61     return rOStr;
  62 }
  63
  64 SvStream& operator >> ( SvStream& rStr, SvGlobalName & rObj )
  65 {
  66     rStr.ReadUInt32( rObj.m_aData.Data1 );
  67     rStr.ReadUInt16( rObj.m_aData.Data2 );
  68     rStr.ReadUInt16( rObj.m_aData.Data3 );
  69     rStr.ReadBytes( &rObj.m_aData.Data4, 8 );
  70     return rStr;
  71 }
  72
  73
  74 bool SvGlobalName::operator < ( const SvGlobalName & rObj ) const
  75 {
  76     if( m_aData.Data3 < rObj.m_aData.Data3 )
  77         return true;
  78     else if( m_aData.Data3 > rObj.m_aData.Data3 )
  79         return false;
  80
  81     if( m_aData.Data2 < rObj.m_aData.Data2 )
  82         return true;
  83     else if( m_aData.Data2 > rObj.m_aData.Data2 )
  84         return false;
  85
  86     return m_aData.Data1 < rObj.m_aData.Data1;
  87 }
  88
  89 bool SvGlobalName::operator == ( const SvGlobalName & rObj ) const
  90 {
  91     return memcmp(&m_aData, &rObj.m_aData, sizeof(m_aData)) == 0;
  92 }
  93
  94 void SvGlobalName::MakeFromMemory( void const * pData )
  95 {
  96     memcpy( &m_aData, pData, sizeof( m_aData ) );
  97 }
  98
  99 bool SvGlobalName::MakeId( std::u16string_view rIdStr )
 100 {
 101     const sal_Unicode *pStr = rIdStr.data();
 102     if( rIdStr.size() != 36
 103       || '-' != pStr[ 8 ]  || '-' != pStr[ 13 ]
 104       || '-' != pStr[ 18 ] || '-' != pStr[ 23 ] )
 105         return false;
 106
 107     SvGUID aGuid = {};
 108     auto asciiHexDigitToNumber = [](sal_Unicode c) -> sal_uInt8
 109     {
 110         if (rtl::isAsciiDigit(c))
 111             return c - '0';
 112         else
 113             return rtl::toAsciiUpperCase(c) - 'A' + 10;
 114     };
 115
 116     for( int i = 0; i < 8; i++ )
 117     {
 118         if( !rtl::isAsciiHexDigit( *pStr ) )
 119             return false;
 120         aGuid.Data1 = aGuid.Data1 * 16 + asciiHexDigitToNumber( *pStr++ );
 121     }
 122
 123     pStr++;
 124     for( int i = 0; i < 4; i++ )
 125     {
 126         if( !rtl::isAsciiHexDigit( *pStr ) )
 127             return false;
 128         aGuid.Data2 = aGuid.Data2 * 16 + asciiHexDigitToNumber( *pStr++ );
 129     }
 130
 131     pStr++;
 132     for( int i = 0; i < 4; i++ )
 133     {
 134         if( !rtl::isAsciiHexDigit( *pStr ) )
 135             return false;
 136         aGuid.Data3 = aGuid.Data3 * 16 + asciiHexDigitToNumber( *pStr++ );
 137     }
 138
 139     pStr++;
 140     for( int i = 0; i < 16; i++ )
 141     {
 142         if( !rtl::isAsciiHexDigit( *pStr ) )
 143             return false;
 144         aGuid.Data4[i/2] = aGuid.Data4[i/2] * 16 + asciiHexDigitToNumber( *pStr++ );
 145         if( i == 3 )
 146             pStr++;
 147     }
 148
 149     m_aData = aGuid;
 150     return true;
 151 }
 152
 153 OUString SvGlobalName::GetHexName() const
 154 {
 155     char buf[ 37 ];
 156     int n = o3tl::sprintf(buf,
 157                     "%8.8" SAL_PRIXUINT32 "-%4.4X-%4.4X-%2.2x%2.2x-%2.2x%2.2x%2.2x%2.2x%2.2x%2.2x",
 158                     m_aData.Data1, m_aData.Data2, m_aData.Data3,
 159                     m_aData.Data4[0], m_aData.Data4[1], m_aData.Data4[2], m_aData.Data4[3],
 160                     m_aData.Data4[4], m_aData.Data4[5], m_aData.Data4[6], m_aData.Data4[7]);
 161     assert(n == 36);
 162     return OUString::createFromAscii(std::string_view(buf, n));
 163 }
 164
 165 css::uno::Sequence < sal_Int8 > SvGlobalName::GetByteSequence() const
 166 {
 167     // platform independent representation of a "GlobalName"
 168     // maybe transported remotely
 169     return comphelper::MimeConfigurationHelper::GetSequenceClassID(
 170         m_aData.Data1, m_aData.Data2, m_aData.Data3,
 171         m_aData.Data4[0], m_aData.Data4[1], m_aData.Data4[2], m_aData.Data4[3],
 172         m_aData.Data4[4], m_aData.Data4[5], m_aData.Data4[6], m_aData.Data4[7]);
 173 }
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */