xref: /AOO41X/main/xmloff/source/forms/ifacecompare.hxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #ifndef _XMLOFF_FORMS_IFACECOMPARE_HXX_
29*cdf0e10cSrcweir #define _XMLOFF_FORMS_IFACECOMPARE_HXX_
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include <comphelper/stl_types.hxx>
32*cdf0e10cSrcweir #include <com/sun/star/beans/XPropertySet.hpp>
33*cdf0e10cSrcweir #include <com/sun/star/drawing/XDrawPage.hpp>
34*cdf0e10cSrcweir 
35*cdf0e10cSrcweir //.........................................................................
36*cdf0e10cSrcweir namespace xmloff
37*cdf0e10cSrcweir {
38*cdf0e10cSrcweir //.........................................................................
39*cdf0e10cSrcweir 
40*cdf0e10cSrcweir 	//=====================================================================
41*cdf0e10cSrcweir 	//= OInterfaceCompare
42*cdf0e10cSrcweir 	//=====================================================================
43*cdf0e10cSrcweir 	/** is stl-compliant structure for comparing Reference&lt; &lt;iface&gt; &gt; instances
44*cdf0e10cSrcweir 	*/
45*cdf0e10cSrcweir 	template < class IAFCE >
46*cdf0e10cSrcweir 	struct OInterfaceCompare
47*cdf0e10cSrcweir 		:public ::std::binary_function	<	::com::sun::star::uno::Reference< IAFCE >
48*cdf0e10cSrcweir 										,	::com::sun::star::uno::Reference< IAFCE >
49*cdf0e10cSrcweir 										,	bool
50*cdf0e10cSrcweir 										>
51*cdf0e10cSrcweir 	{
52*cdf0e10cSrcweir 		bool operator() (const ::com::sun::star::uno::Reference< IAFCE >& lhs, const ::com::sun::star::uno::Reference< IAFCE >& rhs) const
53*cdf0e10cSrcweir 		{
54*cdf0e10cSrcweir 			return lhs.get() < rhs.get();
55*cdf0e10cSrcweir 				// this does not make any sense if you see the semantics of the pointer returned by get:
56*cdf0e10cSrcweir 				// It's a pointer to a point in memory where an interface implementation lies.
57*cdf0e10cSrcweir 				// But for our purpose (provide a reliable less-operator which can be used with the STL), this is
58*cdf0e10cSrcweir 				// sufficient ....
59*cdf0e10cSrcweir 		}
60*cdf0e10cSrcweir 	};
61*cdf0e10cSrcweir 
62*cdf0e10cSrcweir 	typedef OInterfaceCompare< ::com::sun::star::beans::XPropertySet >	OPropertySetCompare;
63*cdf0e10cSrcweir 	typedef OInterfaceCompare< ::com::sun::star::drawing::XDrawPage >	ODrawPageCompare;
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir //.........................................................................
66*cdf0e10cSrcweir }	// namespace xmloff
67*cdf0e10cSrcweir //.........................................................................
68*cdf0e10cSrcweir 
69*cdf0e10cSrcweir #endif // _XMLOFF_FORMS_IFACECOMPARE_HXX_
70*cdf0e10cSrcweir 
71