cppu/source/uno/prim.hxx

   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 #ifndef PRIM_HXX
  20 #define PRIM_HXX
  21
  22 #include "typelib/typedescription.h"
  23 #include "typelib/typeclass.h"
  24 #include "uno/sequence2.h"
  25 #include "uno/any2.h"
  26 #include "uno/data.h"
  27 #include "uno/mapping.h"
  28 #include "uno/dispatcher.h"
  29
  30 #include "osl/interlck.h"
  31 #include "osl/diagnose.h"
  32 #include "rtl/ustring.hxx"
  33 #include "rtl/alloc.h"
  34
  35 #if OSL_DEBUG_LEVEL > 1
  36 #include "rtl/ustrbuf.hxx"
  37 #include "rtl/string.hxx"
  38 #endif
  39
  40
  41 namespace cppu
  42 {
  43
  44 extern uno_Sequence g_emptySeq;
  45 extern typelib_TypeDescriptionReference * g_pVoidType;
  46
  47 //--------------------------------------------------------------------------------------------------
  48 inline void * _map(
  49     void * p,
  50     typelib_TypeDescriptionReference * pType, typelib_TypeDescription * pTypeDescr,
  51     uno_Mapping * mapping )
  52     SAL_THROW(())
  53 {
  54     void * pRet = 0;
  55     if (p)
  56     {
  57         if (pTypeDescr)
  58         {
  59             (*mapping->mapInterface)(
  60                 mapping, &pRet, p, (typelib_InterfaceTypeDescription *)pTypeDescr );
  61         }
  62         else
  63         {
  64             TYPELIB_DANGER_GET( &pTypeDescr, pType );
  65             (*mapping->mapInterface)(
  66                 mapping, &pRet, p, (typelib_InterfaceTypeDescription *)pTypeDescr );
  67             TYPELIB_DANGER_RELEASE( pTypeDescr );
  68         }
  69     }
  70     return pRet;
  71 }
  72 //--------------------------------------------------------------------------------------------------
  73 inline void _acquire( void * p, uno_AcquireFunc acquire ) SAL_THROW(())
  74 {
  75     if (p)
  76     {
  77         if (acquire)
  78         {
  79             (*acquire)( p );
  80         }
  81         else
  82         {
  83             (*((uno_Interface *)p)->acquire)( (uno_Interface *)p );
  84         }
  85     }
  86 }
  87 //--------------------------------------------------------------------------------------------------
  88 inline void _release( void * p, uno_ReleaseFunc release ) SAL_THROW(())
  89 {
  90     if (p)
  91     {
  92         if (release)
  93         {
  94             (*release)( p );
  95         }
  96         else
  97         {
  98             (*((uno_Interface *)p)->release)( (uno_Interface *)p );
  99         }
 100     }
 101 }
 102
 103 //------------------------------------------------------------------------------
 104 inline sal_uInt32 calcSeqMemSize(
 105     sal_Int32 nElementSize, sal_Int32 nElements )
 106 {
 107     sal_uInt64 nSize =
 108         (sal_uInt64) SAL_SEQUENCE_HEADER_SIZE +
 109         ((sal_uInt64) nElementSize * (sal_uInt64) nElements);
 110     if (nSize > 0xffffffffU)
 111         return 0;
 112     else
 113         return (sal_uInt32) nSize;
 114 }
 115
 116 //--------------------------------------------------------------------------------------------------
 117 inline uno_Sequence * createEmptySequence() SAL_THROW(())
 118 {
 119     osl_atomic_increment( &g_emptySeq.nRefCount );
 120     return &g_emptySeq;
 121 }
 122 //--------------------------------------------------------------------------------------------------
 123 inline typelib_TypeDescriptionReference * _getVoidType()
 124     SAL_THROW(())
 125 {
 126     if (! g_pVoidType)
 127     {
 128         g_pVoidType = * ::typelib_static_type_getByTypeClass( typelib_TypeClass_VOID );
 129     }
 130     ::typelib_typedescriptionreference_acquire( g_pVoidType );
 131     return g_pVoidType;
 132 }
 133
 134 //--------------------------------------------------------------------------------------------------
 135 #if OSL_DEBUG_LEVEL > 0
 136 #define CONSTRUCT_EMPTY_ANY( pAny ) \
 137 (pAny)->pType = _getVoidType(); \
 138 (pAny)->pData = (void *)0xdeadbeef;
 139 #else
 140 #define CONSTRUCT_EMPTY_ANY( pAny ) \
 141 (pAny)->pType = _getVoidType(); \
 142 (pAny)->pData = (pAny);
 143 #endif
 144
 145 //--------------------------------------------------------------------------------------------------
 146 #define TYPE_ACQUIRE( pType ) \
 147     osl_atomic_increment( &(pType)->nRefCount );
 148
 149 //--------------------------------------------------------------------------------------------------
 150 extern "C" void * binuno_queryInterface(
 151     void * pUnoI, typelib_TypeDescriptionReference * pDestType );
 152
 153 //--------------------------------------------------------------------------------------------------
 154 inline typelib_TypeDescriptionReference * _unionGetSetType(
 155     void * pUnion, typelib_TypeDescription * pTD )
 156     SAL_THROW(())
 157 {
 158     typelib_TypeDescriptionReference * pRet = 0;
 159     sal_Int32 nPos;
 160
 161     sal_Int64 * pDiscr = ((typelib_UnionTypeDescription *)pTD)->pDiscriminants;
 162     sal_Int64 nDiscr   = *(sal_Int64 *)pUnion;
 163     for ( nPos = ((typelib_UnionTypeDescription *)pTD)->nMembers; nPos--; )
 164     {
 165         if (pDiscr[nPos] == nDiscr)
 166         {
 167             pRet = ((typelib_UnionTypeDescription *)pTD)->ppTypeRefs[nPos];
 168             break;
 169         }
 170     }
 171     if (nPos >= 0)
 172     {
 173         // default
 174         pRet = ((typelib_UnionTypeDescription *)pTD)->pDefaultTypeRef;
 175     }
 176     typelib_typedescriptionreference_acquire( pRet );
 177     return pRet;
 178 }
 179 //--------------------------------------------------------------------------------------------------
 180 inline sal_Bool _type_equals(
 181     typelib_TypeDescriptionReference * pType1, typelib_TypeDescriptionReference * pType2 )
 182     SAL_THROW(())
 183 {
 184     return (pType1 == pType2 ||
 185             (pType1->eTypeClass == pType2->eTypeClass &&
 186              pType1->pTypeName->length == pType2->pTypeName->length &&
 187              ::rtl_ustr_compare( pType1->pTypeName->buffer, pType2->pTypeName->buffer ) == 0));
 188 }
 189
 190 }
 191
 192 #endif
 193
 194 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */