xref: /AOO41X/main/comphelper/inc/comphelper/types.hxx (revision 9877b273795ec465a3ce9c15d738eb34c0455705)
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 #ifndef _COMPHELPER_TYPES_HXX_
25 #define _COMPHELPER_TYPES_HXX_
26 
27 #include <com/sun/star/uno/Any.hxx>
28 #include <com/sun/star/uno/Reference.hxx>
29 #include <com/sun/star/uno/Sequence.hxx>
30 #include <com/sun/star/lang/IllegalArgumentException.hpp>
31 #include <com/sun/star/lang/XTypeProvider.hpp>
32 #include <com/sun/star/lang/XComponent.hpp>
33 #include <com/sun/star/lang/XUnoTunnel.hpp>
34 #include "comphelper/comphelperdllapi.h"
35 #include "cppu/unotype.hxx"
36 
37 namespace com { namespace sun { namespace star { namespace awt {
38     struct FontDescriptor;
39 } } } }
40 
41 //.........................................................................
42 namespace comphelper
43 {
44 //.........................................................................
45 
46     namespace staruno       = ::com::sun::star::uno;
47     namespace starawt       = ::com::sun::star::awt;
48     namespace starlang      = ::com::sun::star::lang;
49 
50     typedef staruno::Reference< staruno::XInterface >           InterfaceRef;
51     typedef staruno::Sequence< ::rtl::OUString >                StringSequence;
52 
53     //-------------------------------------------------------------------------
54     /** compare the two given Anys
55         The comparison is deep, means if one of the Any's contains an Any which contains an Any ..., this is resolved <br/>
56         Other types recognized currently : FontDescriptor, ::com::sun::star::util::Date/Tim/DateTime, staruno::Sequence<sal_Int8>
57     */
58     COMPHELPER_DLLPUBLIC sal_Bool compare(const staruno::Any& rLeft, const staruno::Any& rRight);
59 
60     //-------------------------------------------------------------------------
61     /** compare two FontDescriptor's
62     */
63     COMPHELPER_DLLPUBLIC sal_Bool   operator ==(const starawt::FontDescriptor& _rLeft, const starawt::FontDescriptor& _rRight);
operator !=(const starawt::FontDescriptor & _rLeft,const starawt::FontDescriptor & _rRight)64     inline  sal_Bool    operator !=(const starawt::FontDescriptor& _rLeft, const starawt::FontDescriptor& _rRight)
65     {
66         return !(_rLeft == _rRight);
67     }
68 
69     //-------------------------------------------------------------------------
70     /// returns sal_True if objects of the types given are "compatible"
71     COMPHELPER_DLLPUBLIC sal_Bool isAssignableFrom(const staruno::Type& _rAssignable, const staruno::Type& _rFrom);
72 
73     //-------------------------------------------------------------------------
74     /** just a small shortcut ...
75         check if a type you have at hand at runtime is equal to another type you have at compile time
76         if all our compiler would accept function calls with explicit template arguments (like
77         isA<classFoo>(runtimeType)), we wouldn't need the second parameter. But unfortunally at
78         least the current solaris compiler doesn't allow this ....
79         So this function is nearly senseless ....
80     */
81     template <class TYPE>
isA(const staruno::Type & _rType,TYPE * pDummy)82     sal_Bool isA(const staruno::Type& _rType, TYPE* pDummy)
83     {
84         return  _rType.equals(cppu::getTypeFavourUnsigned(pDummy));
85     }
86 
87     //-------------------------------------------------------------------------
88     /** check if a type you have at hand at runtime is equal to another type you have at compile time
89         same comment as for the other isA ....
90     */
91     template <class TYPE>
isA(const staruno::Any & _rVal,TYPE * pDummy)92     sal_Bool isA(const staruno::Any& _rVal, TYPE* pDummy)
93     {
94         return  _rVal.getValueType().equals(
95             cppu::getTypeFavourUnsigned(pDummy));
96     }
97 
98     //-------------------------------------------------------------------------
99     /** check if a type you have at hand at runtime is equal to another type you have at compile time
100     */
101     template <class TYPE>
isAReference(const staruno::Any & _rVal,TYPE * pDummy)102     sal_Bool isAReference(const staruno::Any& _rVal, TYPE* pDummy)
103     {
104         return  _rVal.getValueType().equals(
105             cppu::getTypeFavourUnsigned(
106                 static_cast<staruno::Reference<TYPE>*>(NULL)));
107     }
108 
109     //-------------------------------------------------------------------------
110     /** ask the given object for an XComponent interface and dispose on it
111     */
112     template <class TYPE>
disposeComponent(staruno::Reference<TYPE> & _rxComp)113     void disposeComponent(staruno::Reference<TYPE>& _rxComp)
114     {
115         staruno::Reference<starlang::XComponent> xComp(_rxComp, staruno::UNO_QUERY);
116         if (xComp.is())
117         {
118             xComp->dispose();
119             _rxComp = NULL;
120         }
121     }
122     //-------------------------------------------------------------------------
123     template <class TYPE>
getImplementation(TYPE * & _pObject,const staruno::Reference<staruno::XInterface> & _rxIFace)124     sal_Bool getImplementation(TYPE*& _pObject, const staruno::Reference< staruno::XInterface >& _rxIFace)
125     {
126         _pObject = NULL;
127         staruno::Reference< starlang::XUnoTunnel > xTunnel(_rxIFace, staruno::UNO_QUERY);
128         if (xTunnel.is())
129             _pObject = reinterpret_cast< TYPE* >(xTunnel->getSomething(TYPE::getUnoTunnelImplementationId()));
130 
131         return (_pObject != NULL);
132     }
133 
134 
135     //-------------------------------------------------------------------------
136     /** get a com::sun::star::awt::FontDescriptor that is fully initialized with
137         the XXX_DONTKNOW enum values (which isn't the case if you instantiate it
138         via the default constructor)
139     */
140     COMPHELPER_DLLPUBLIC starawt::FontDescriptor    getDefaultFont();
141 
142     /** examine a sequence for the <type scope="com.sun.star.uno">Type</type> of it's elements.
143     */
144     COMPHELPER_DLLPUBLIC staruno::Type getSequenceElementType(const staruno::Type& _rSequenceType);
145 
146 //=========================================================================
147 //= replacement of the former UsrAny.getXXX methods
148 
149     // may be used if you need the return value just as temporary, else it's may be too inefficient ....
150 
151     // no, we don't use templates here. This would lead to a lot of implicit uses of the conversion methods,
152     // which would be difficult to trace ...
153 
154     COMPHELPER_DLLPUBLIC sal_Int32      getINT32(const staruno::Any& _rAny);
155     COMPHELPER_DLLPUBLIC sal_Int16      getINT16(const staruno::Any& _rAny);
156     COMPHELPER_DLLPUBLIC double         getDouble(const staruno::Any& _rAny);
157     COMPHELPER_DLLPUBLIC float          getFloat(const staruno::Any& _rAny);
158     COMPHELPER_DLLPUBLIC ::rtl::OUString    getString(const staruno::Any& _rAny);
159     COMPHELPER_DLLPUBLIC sal_Bool       getBOOL(const staruno::Any& _rAny);
160 
161     COMPHELPER_DLLPUBLIC sal_Int32      getEnumAsINT32(const staruno::Any& _rAny) throw(starlang::IllegalArgumentException);
162 
163 //= replacement of some former UsrAny.setXXX methods - can be used with rvalues
setBOOL(staruno::Any & _rAny,sal_Bool _b)164     inline void setBOOL(staruno::Any& _rAny, sal_Bool _b)
165     { _rAny.setValue(&_b, ::getBooleanCppuType()); }
166 
167 //= extension of ::cppu::makeAny()
makeBoolAny(sal_Bool _b)168     inline staruno::Any makeBoolAny(sal_Bool _b)
169     { return staruno::Any(&_b, ::getBooleanCppuType()); }
170 
171 //.........................................................................
172 }   // namespace comphelper
173 //.........................................................................
174 
175 #endif // _COMPHELPER_TYPES_HXX_
176 
177