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 #pragma once
  20
  21 #include <typelib/typedescription.h>
  22 #include <typelib/typeclass.h>
  23 #include <uno/sequence2.h>
  24 #include <uno/any2.h>
  25 #include <uno/data.h>
  26 #include <uno/mapping.h>
  27 #include <uno/dispatcher.h>
  28
  29 #include <osl/interlck.h>
  30 #include <stdint.h>
  31
  32 namespace cppu
  33 {
  34
  35 extern uno_Sequence g_emptySeq;
  36 extern typelib_TypeDescriptionReference * g_pVoidType;
  37
  38
  39 inline void * _map(
  40     void * p,
  41     typelib_TypeDescriptionReference * pType, typelib_TypeDescription * pTypeDescr,
  42     uno_Mapping * mapping )
  43
  44 {
  45     void * pRet = nullptr;
  46     if (p)
  47     {
  48         if (pTypeDescr)
  49         {
  50             (*mapping->mapInterface)(
  51                 mapping, &pRet, p, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) );
  52         }
  53         else
  54         {
  55             TYPELIB_DANGER_GET( &pTypeDescr, pType );
  56             (*mapping->mapInterface)(
  57                 mapping, &pRet, p, reinterpret_cast<typelib_InterfaceTypeDescription *>(pTypeDescr) );
  58             TYPELIB_DANGER_RELEASE( pTypeDescr );
  59         }
  60     }
  61     return pRet;
  62 }
  63
  64 inline void _acquire( void * p, uno_AcquireFunc acquire )
  65 {
  66     if (p)
  67     {
  68         if (acquire)
  69         {
  70             (*acquire)( p );
  71         }
  72         else
  73         {
  74             (*static_cast<uno_Interface *>(p)->acquire)( static_cast<uno_Interface *>(p) );
  75         }
  76     }
  77 }
  78
  79 inline void _release( void * p, uno_ReleaseFunc release )
  80 {
  81     if (p)
  82     {
  83         if (release)
  84         {
  85             (*release)( p );
  86         }
  87         else
  88         {
  89             (*static_cast<uno_Interface *>(p)->release)( static_cast<uno_Interface *>(p) );
  90         }
  91     }
  92 }
  93
  94
  95 inline sal_uInt32 calcSeqMemSize(
  96     sal_Int32 nElementSize, sal_Int32 nElements )
  97 {
  98     sal_uInt64 nSize =
  99         static_cast<sal_uInt64>(SAL_SEQUENCE_HEADER_SIZE) +
 100         (static_cast<sal_uInt64>(nElementSize) * static_cast<sal_uInt64>(nElements));
 101     if (nSize > 0xffffffffU)
 102         return 0;
 103     else
 104         return static_cast<sal_uInt32>(nSize);
 105 }
 106
 107
 108 inline uno_Sequence * createEmptySequence()
 109 {
 110     osl_atomic_increment( &g_emptySeq.nRefCount );
 111     return &g_emptySeq;
 112 }
 113
 114 inline typelib_TypeDescriptionReference * _getVoidType()
 115 {
 116     if (! g_pVoidType)
 117     {
 118         g_pVoidType = * ::typelib_static_type_getByTypeClass( typelib_TypeClass_VOID );
 119     }
 120     ::typelib_typedescriptionreference_acquire( g_pVoidType );
 121     return g_pVoidType;
 122 }
 123
 124 inline void CONSTRUCT_EMPTY_ANY(uno_Any * pAny) {
 125     pAny->pType = _getVoidType();
 126 #if OSL_DEBUG_LEVEL > 0
 127     pAny->pData = reinterpret_cast<void *>(uintptr_t(0xdeadbeef));
 128 #else
 129     pAny->pData = pAny;
 130 #endif
 131 }
 132
 133 #define TYPE_ACQUIRE( pType ) \
 134     osl_atomic_increment( &(pType)->nRefCount );
 135
 136
 137 extern "C" void * binuno_queryInterface(
 138     void * pUnoI, typelib_TypeDescriptionReference * pDestType );
 139
 140
 141 inline bool _type_equals(
 142     typelib_TypeDescriptionReference const * pType1, typelib_TypeDescriptionReference const * pType2 )
 143
 144 {
 145     return (pType1 == pType2 ||
 146             (pType1->eTypeClass == pType2->eTypeClass &&
 147              pType1->pTypeName->length == pType2->pTypeName->length &&
 148              ::rtl_ustr_compare( pType1->pTypeName->buffer, pType2->pTypeName->buffer ) == 0));
 149 }
 150
 151 }
 152
 153 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */