cppu/source/uno/constr.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 "prim.hxx"
  22 #include <osl/diagnose.h>
  23
  24 namespace cppu
  25 {
  26
  27
  28 //#### construction ################################################################################
  29
  30
  31 void defaultConstructStruct(
  32     void * pMem,
  33     typelib_CompoundTypeDescription * pCompType );
  34
  35 inline void _defaultConstructStruct(
  36     void * pMem,
  37     typelib_CompoundTypeDescription * pTypeDescr )
  38 {
  39     if (pTypeDescr->pBaseTypeDescription)
  40     {
  41         defaultConstructStruct( pMem, pTypeDescr->pBaseTypeDescription );
  42     }
  43
  44     typelib_TypeDescriptionReference ** ppTypeRefs = pTypeDescr->ppTypeRefs;
  45     sal_Int32 * pMemberOffsets = pTypeDescr->pMemberOffsets;
  46     sal_Int32 nDescr = pTypeDescr->nMembers;
  47
  48     while (nDescr--)
  49     {
  50         ::uno_type_constructData( static_cast<char *>(pMem) + pMemberOffsets[nDescr], ppTypeRefs[nDescr] );
  51     }
  52 }
  53
  54
  55 inline void _defaultConstructData(
  56     void * pMem,
  57     typelib_TypeDescriptionReference * pType,
  58     typelib_TypeDescription * pTypeDescr )
  59 {
  60     switch (pType->eTypeClass)
  61     {
  62     case typelib_TypeClass_CHAR:
  63         *static_cast<sal_Unicode *>(pMem) = '\0';
  64         break;
  65     case typelib_TypeClass_BOOLEAN:
  66         *static_cast<sal_Bool *>(pMem) = false;
  67         break;
  68     case typelib_TypeClass_BYTE:
  69         *static_cast<sal_Int8 *>(pMem) = 0;
  70         break;
  71     case typelib_TypeClass_SHORT:
  72     case typelib_TypeClass_UNSIGNED_SHORT:
  73         *static_cast<sal_Int16 *>(pMem) = 0;
  74         break;
  75     case typelib_TypeClass_LONG:
  76     case typelib_TypeClass_UNSIGNED_LONG:
  77         *static_cast<sal_Int32 *>(pMem) = 0;
  78         break;
  79     case typelib_TypeClass_HYPER:
  80     case typelib_TypeClass_UNSIGNED_HYPER:
  81         *static_cast<sal_Int64 *>(pMem) = 0;
  82         break;
  83     case typelib_TypeClass_FLOAT:
  84         *static_cast<float *>(pMem) = 0.0;
  85         break;
  86     case typelib_TypeClass_DOUBLE:
  87         *static_cast<double *>(pMem) = 0.0;
  88         break;
  89     case typelib_TypeClass_STRING:
  90         *static_cast<rtl_uString **>(pMem) = nullptr;
  91         ::rtl_uString_new( static_cast<rtl_uString **>(pMem) );
  92         break;
  93     case typelib_TypeClass_TYPE:
  94         *static_cast<typelib_TypeDescriptionReference **>(pMem) = _getVoidType();
  95         break;
  96     case typelib_TypeClass_ANY:
  97         CONSTRUCT_EMPTY_ANY( static_cast<uno_Any *>(pMem) );
  98         break;
  99     case typelib_TypeClass_ENUM:
 100         if (pTypeDescr)
 101         {
 102             *static_cast<sal_Int32 *>(pMem) = reinterpret_cast<typelib_EnumTypeDescription *>(pTypeDescr)->nDefaultEnumValue;
 103         }
 104         else
 105         {
 106             TYPELIB_DANGER_GET( &pTypeDescr, pType );
 107             *static_cast<sal_Int32 *>(pMem) = reinterpret_cast<typelib_EnumTypeDescription *>(pTypeDescr)->nDefaultEnumValue;
 108             TYPELIB_DANGER_RELEASE( pTypeDescr );
 109         }
 110         break;
 111     case typelib_TypeClass_STRUCT:
 112     case typelib_TypeClass_EXCEPTION:
 113         if (pTypeDescr)
 114         {
 115             _defaultConstructStruct( pMem, reinterpret_cast<typelib_CompoundTypeDescription *>(pTypeDescr) );
 116         }
 117         else
 118         {
 119             TYPELIB_DANGER_GET( &pTypeDescr, pType );
 120             _defaultConstructStruct( pMem, reinterpret_cast<typelib_CompoundTypeDescription *>(pTypeDescr) );
 121             TYPELIB_DANGER_RELEASE( pTypeDescr );
 122         }
 123         break;
 124     case typelib_TypeClass_SEQUENCE:
 125         *static_cast<uno_Sequence **>(pMem) = createEmptySequence();
 126         break;
 127     case typelib_TypeClass_INTERFACE:
 128         *static_cast<void **>(pMem) = nullptr; // either cpp or c-uno interface
 129         break;
 130     default:
 131         OSL_ASSERT(false);
 132         break;
 133     }
 134 }
 135
 136 }
 137
 138 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */