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21 
22 
23 
24 #ifndef _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
25 #define _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
26 
27 #include <rtl/ustring.hxx>
28 #include <tools/string.hxx>
29 
30 //............................................................................
31 namespace pcr
32 {
33 //............................................................................
34 
35 	//============================================================
36 	//= a helper for static ascii pseudo-unicode strings
37 	//============================================================
38 	struct ConstAsciiString
39 	{
40 		const sal_Char*	ascii;
41 		sal_Int32		length;
42 
43 		inline	operator const ::rtl::OUString& () const;
44 		inline	operator const sal_Char* () const { return ascii; }
45 
46 		inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength);
47 		inline ~ConstAsciiString();
48 
49 	private:
50 		mutable ::rtl::OUString*	ustring;
51 	};
52 
53 	//------------------------------------------------------------
ConstAsciiString(const sal_Char * _pAsciiZeroTerminated,const sal_Int32 _nLength)54 	inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength)
55 		:ascii(_pAsciiZeroTerminated)
56 		,length(_nLength)
57 		,ustring(NULL)
58 	{
59 	}
60 
61 	//------------------------------------------------------------
~ConstAsciiString()62 	inline ConstAsciiString::~ConstAsciiString()
63 	{
64 		delete ustring;
65 		ustring = NULL;
66 	}
67 
68 	//------------------------------------------------------------
69 	inline ConstAsciiString::operator const ::rtl::OUString& () const
70 	{
71 		if (!ustring)
72 			ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US);
73 		return *ustring;
74 	}
75 
76 	//============================================================
77 
78 #define CONST_ASCII_LENGTH(c)	\
79 	(const sal_Char*)c, c.length()
80 
81 	//============================================================
82 	//= concrete strings
83 	//============================================================
84 	#ifndef PCR_IMPLEMENT_STRINGS
85 	#define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident
86 	#else
87 	#define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident(string, sizeof(string)-1)
88 	#endif
89 
90 //............................................................................
91 } // namespace pcr
92 //............................................................................
93 
94 #endif // _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
95 
96