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27 #ifndef _XMLOFF_PROPERTYSETINFOHASH_HXX
28 #define _XMLOFF_PROPERTYSETINFOHASH_HXX
29 
30 #include <xmloff/PropertySetInfoKey.hxx>
31 
32 #include <string.h>
33 #include <memory>
34 
35 struct PropertySetInfoHash
36 {
37 	inline size_t operator()( const PropertySetInfoKey& r ) const;
38 	inline bool operator()( const PropertySetInfoKey& r1,
39 				   			const PropertySetInfoKey& r2 ) const;
40 };
41 
42 inline size_t PropertySetInfoHash::operator()(
43 		const PropertySetInfoKey& r ) const
44 {
45 	const sal_Int32* pBytesAsInt32Array =
46 		(const sal_Int32*)r.aImplementationId.getConstArray();
47 	sal_Int32 nId32 =	pBytesAsInt32Array[0] ^
48 						pBytesAsInt32Array[1] ^
49 						pBytesAsInt32Array[2] ^
50 						pBytesAsInt32Array[3];
51 	return (size_t)nId32 ^ (size_t)r.xPropInfo.get();
52 }
53 
54 inline bool PropertySetInfoHash::operator()(
55 		const PropertySetInfoKey& r1,
56 		const PropertySetInfoKey& r2 ) const
57 {
58 	if( r1.xPropInfo != r2.xPropInfo )
59 		return sal_False;
60 
61 	const sal_Int8* pId1 = r1.aImplementationId.getConstArray();
62 	const sal_Int8* pId2 = r2.aImplementationId.getConstArray();
63 	return memcmp( pId1, pId2, 16 * sizeof( sal_Int8 ) ) == 0;
64 }
65 #endif
66