1 #ifndef _DBASHARED_CONSTASCIISTRING_HXX_
2 #define _DBASHARED_CONSTASCIISTRING_HXX_
3 
4 #ifndef CONSTASCII_INCLUDED_INDIRECT
5 #error "don't include this file directly! use stringconstants.hrc instead!"
6 #endif
7 
8 // no namespaces. This file is included from several other files _within_ a namespace.
9 
10 //============================================================
11 //= a helper for static ascii pseudo-unicode strings
12 //============================================================
13 // string constants
14 struct ConstAsciiString
15 {
16 	const sal_Char*	ascii;
17 	sal_Int32		length;
18 
19 	inline	operator const ::rtl::OUString& () const;
20 	inline	operator const sal_Char* () const { return ascii; }
21 
22 	inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength);
23 	inline ~ConstAsciiString();
24 
25 private:
26 	mutable ::rtl::OUString*	ustring;
27 };
28 
29 //------------------------------------------------------------
30 inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength)
31 	:ascii(_pAsciiZeroTerminated)
32 	,length(_nLength)
33 	,ustring(NULL)
34 {
35 }
36 
37 //------------------------------------------------------------
38 inline ConstAsciiString::~ConstAsciiString()
39 {
40 	delete ustring;
41 	ustring = NULL;
42 }
43 
44 //------------------------------------------------------------
45 inline ConstAsciiString::operator const ::rtl::OUString& () const
46 {
47 	if (!ustring)
48 		ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US);
49 	return *ustring;
50 }
51 
52 //============================================================
53 
54 #define DECLARE_CONSTASCII_USTRING( name ) \
55 	extern const ConstAsciiString name
56 
57 #define IMPLEMENT_CONSTASCII_USTRING( name, string ) \
58 	const ConstAsciiString name(string, sizeof(string)-1)
59 
60 
61 #endif // _DBASHARED_CONSTASCIISTRING_HXX_
62