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19 
20 #pragma once
21 
22 #include <comphelper/sequence.hxx>
23 #include <cppuhelper/implbase.hxx>
24 #include <map>
25 
26 #include <com/sun/star/container/XNameContainer.hpp>
27 #include <com/sun/star/container/NoSuchElementException.hpp>
28 #include <com/sun/star/lang/IllegalArgumentException.hpp>
29 #include <com/sun/star/uno/Any.hxx>
30 #include <com/sun/star/uno/Type.hxx>
31 #include <osl/diagnose.h>
32 
33 typedef cppu::WeakImplHelper<
34     css::container::XNameContainer
35 > NameContainer_t;
36 
37 template<class T>
38 class NameContainer : public NameContainer_t
39 {
40     typedef std::map<OUString,T> map_t;
41     map_t maItems;
42 
43 protected:
findItem(const OUString & rName)44     typename map_t::const_iterator findItem( const OUString& rName )
45     {
46         return maItems.find( rName );
47     }
48 
hasItem(const OUString & rName)49     bool hasItem( const OUString& rName )
50     {
51         return findItem( rName ) != maItems.end();
52     }
53 
replace(const OUString & rName,const T & aElement)54     void replace( const OUString& rName,
55                   const T& aElement )
56     {
57         OSL_ENSURE( hasItem( rName ), "unknown item" );
58         maItems[ rName ] = aElement;
59     }
60 
insert(const OUString & rName,const T & aElement)61     void insert( const OUString& rName,
62                  const T& aElement )
63     {
64         OSL_ENSURE( ! hasItem( rName ), "item already in set" );
65         maItems[ rName ] = aElement;
66     }
67 
remove(const OUString & rName)68     void remove( const OUString& rName )
69     {
70         OSL_ENSURE( hasItem( rName ), "item not in set" );
71         maItems.erase( rName );
72     }
73 
74 
75 public:
76 
NameContainer()77     NameContainer() {}
78 
79 
80     // methods for XElementAccess
81 
82 
getElementType()83     virtual css::uno::Type SAL_CALL getElementType() override
84     {
85         return cppu::UnoType<T>::get();
86     }
87 
hasElements()88     virtual sal_Bool SAL_CALL hasElements() override
89     {
90         return ! maItems.empty();
91     }
92 
93 
94     // methods for XNameAccess (inherits XElementAccess)
95 
96 
getByName(const OUString & rName)97     virtual css::uno::Any SAL_CALL getByName(
98         const OUString& rName ) override
99     {
100         typename map_t::const_iterator aIter = findItem( rName );
101         if( aIter == maItems.end() )
102             throw css::container::NoSuchElementException();
103         return css::uno::makeAny( aIter->second );
104     }
105 
getElementNames()106     virtual css::uno::Sequence<OUString> SAL_CALL getElementNames() override
107     {
108         return comphelper::mapKeysToSequence(maItems);
109     }
110 
hasByName(const OUString & rName)111     virtual sal_Bool SAL_CALL hasByName(
112         const OUString& rName ) override
113     {
114         return hasItem( rName );
115     }
116 
117 
118     // methods for XNameReplace (inherits XNameAccess)
119 
120 
replaceByName(const OUString & rName,const css::uno::Any & aElement)121     virtual void SAL_CALL replaceByName(
122         const OUString& rName,
123         const css::uno::Any& aElement ) override
124     {
125         T aItem;
126         if( !(aElement >>= aItem) )
127             throw css::lang::IllegalArgumentException();
128         if( !hasByName( rName ) )
129             throw css::container::NoSuchElementException();
130         replace( rName, aItem );
131     }
132 
133 
134     // methods for XNameContainer (inherits XNameReplace)
135 
136 
insertByName(const OUString & rName,const css::uno::Any & aElement)137     virtual void SAL_CALL insertByName(
138         const OUString& rName,
139         const css::uno::Any& aElement ) override
140     {
141         T aItem;
142         if( !(aElement >>= aItem) )
143             throw css::lang::IllegalArgumentException();
144         if( hasByName( rName ) )
145             throw css::container::ElementExistException();
146         insert( rName, aItem );
147     }
148 
removeByName(const OUString & rName)149     virtual void SAL_CALL removeByName(
150         const OUString& rName ) override
151     {
152         if( !hasByName( rName ) )
153             throw css::container::NoSuchElementException();
154         remove( rName );
155     }
156 
157 };
158 
159 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
160