xref: /trunk/main/stoc/source/registry_tdprovider/tdcomp.cxx (revision 91144cd0085a7583d2099b982122deb2184ab956)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_stoc.hxx"
26 #include "base.hxx"
27 
28 #include "registry/reader.hxx"
29 #include "registry/version.h"
30 
31 namespace stoc_rdbtdp
32 {
33 
34 //__________________________________________________________________________________________________
~CompoundTypeDescriptionImpl()35 CompoundTypeDescriptionImpl::~CompoundTypeDescriptionImpl()
36 {
37     delete _pMembers;
38     delete _pMemberNames;
39     g_moduleCount.modCnt.release( &g_moduleCount.modCnt );
40 }
41 
42 // XTypeDescription
43 //__________________________________________________________________________________________________
getTypeClass()44 TypeClass CompoundTypeDescriptionImpl::getTypeClass()
45 {
46     return _eTypeClass;
47 }
48 //__________________________________________________________________________________________________
getName()49 OUString CompoundTypeDescriptionImpl::getName()
50 {
51     return _aName;
52 }
53 
54 // XCompoundTypeDescription
55 //__________________________________________________________________________________________________
getBaseType()56 Reference< XTypeDescription > CompoundTypeDescriptionImpl::getBaseType()
57 {
58     if (!_xBaseTD.is() && _aBaseType.getLength())
59     {
60         try
61         {
62             Reference< XTypeDescription > xBaseTD;
63             if (_xTDMgr->getByHierarchicalName( _aBaseType ) >>= xBaseTD)
64             {
65                 MutexGuard aGuard( getMutex() );
66                 if (! _xBaseTD.is())
67                     _xBaseTD = xBaseTD;
68                 return _xBaseTD;
69             }
70         }
71         catch (NoSuchElementException &)
72         {
73         }
74         // never try again, if no base td was found
75         _aBaseType = OUString();
76     }
77     return _xBaseTD;
78 }
79 //__________________________________________________________________________________________________
80 
81 namespace {
82 
83 class TypeParameter: public WeakImplHelper1< XTypeDescription > {
84 public:
TypeParameter(OUString const & name)85     explicit TypeParameter(OUString const & name): m_name(name) {}
86 
getTypeClass()87     virtual TypeClass SAL_CALL getTypeClass()
88     { return TypeClass_UNKNOWN; }
89 
getName()90     virtual OUString SAL_CALL getName()
91     { return m_name; }
92 
93 private:
94     OUString m_name;
95 };
96 
97 }
98 
getMemberTypes()99 Sequence< Reference< XTypeDescription > > CompoundTypeDescriptionImpl::getMemberTypes()
100 {
101     if (! _pMembers)
102     {
103         typereg::Reader aReader(
104             _aBytes.getConstArray(), _aBytes.getLength(), false,
105             TYPEREG_VERSION_1);
106 
107         sal_uInt16 nFields = aReader.getFieldCount();
108         Sequence< Reference< XTypeDescription > > * pTempMembers =
109             new Sequence< Reference< XTypeDescription > >( nFields );
110         Reference< XTypeDescription > * pMembers = pTempMembers->getArray();
111 
112         while (nFields--)
113         {
114             if ((aReader.getFieldFlags(nFields) & RT_ACCESS_PARAMETERIZED_TYPE)
115                 != 0)
116             {
117                 pMembers[nFields] = new TypeParameter(
118                     aReader.getFieldTypeName(nFields));
119             } else {
120                 try {
121                     _xTDMgr->getByHierarchicalName(
122                         aReader.getFieldTypeName(nFields).replace('/', '.'))
123                             >>= pMembers[nFields];
124                 } catch (NoSuchElementException &) {}
125                 OSL_ENSURE(
126                     pMembers[nFields].is(), "### compound member unknown!");
127             }
128         }
129 
130         ClearableMutexGuard aGuard( getMutex() );
131         if (_pMembers)
132         {
133             aGuard.clear();
134             delete pTempMembers;
135         }
136         else
137         {
138             _pMembers = pTempMembers;
139         }
140     }
141 
142     return *_pMembers;
143 }
144 //__________________________________________________________________________________________________
getMemberNames()145 Sequence< OUString > CompoundTypeDescriptionImpl::getMemberNames()
146 {
147     if (! _pMemberNames)
148     {
149         typereg::Reader aReader(
150             _aBytes.getConstArray(), _aBytes.getLength(), false,
151             TYPEREG_VERSION_1);
152 
153         sal_uInt16 nFields = aReader.getFieldCount();
154         Sequence< OUString > * pTempMemberNames = new Sequence< OUString >( nFields );
155         OUString * pMemberNames = pTempMemberNames->getArray();
156 
157         while (nFields--)
158         {
159             pMemberNames[nFields] = aReader.getFieldName( nFields );
160         }
161 
162         ClearableMutexGuard aGuard( getMutex() );
163         if (_pMemberNames)
164         {
165             aGuard.clear();
166             delete pTempMemberNames;
167         }
168         else
169         {
170             _pMemberNames = pTempMemberNames;
171         }
172     }
173     return *_pMemberNames;
174 }
175 
176 }
177