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Diffstat (limited to 'dbaccess/source/inc/constasciistring.hxx')
-rw-r--r-- | dbaccess/source/inc/constasciistring.hxx | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/dbaccess/source/inc/constasciistring.hxx b/dbaccess/source/inc/constasciistring.hxx new file mode 100644 index 000000000000..07861a054a47 --- /dev/null +++ b/dbaccess/source/inc/constasciistring.hxx @@ -0,0 +1,61 @@ +#ifndef _DBASHARED_CONSTASCIISTRING_HXX_ +#define _DBASHARED_CONSTASCIISTRING_HXX_ + +#ifndef CONSTASCII_INCLUDED_INDIRECT +#error "don't include this file directly! use stringconstants.hrc instead!" +#endif + +// no namespaces. This file is included from several other files _within_ a namespace. + +//============================================================ +//= a helper for static ascii pseudo-unicode strings +//============================================================ +// string constants +struct ConstAsciiString +{ + const sal_Char* ascii; + sal_Int32 length; + + inline operator const ::rtl::OUString& () const; + inline operator const sal_Char* () const { return ascii; } + + inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength); + inline ~ConstAsciiString(); + +private: + mutable ::rtl::OUString* ustring; +}; + +//------------------------------------------------------------ +inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength) + :ascii(_pAsciiZeroTerminated) + ,length(_nLength) + ,ustring(NULL) +{ +} + +//------------------------------------------------------------ +inline ConstAsciiString::~ConstAsciiString() +{ + delete ustring; + ustring = NULL; +} + +//------------------------------------------------------------ +inline ConstAsciiString::operator const ::rtl::OUString& () const +{ + if (!ustring) + ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US); + return *ustring; +} + +//============================================================ + +#define DECLARE_CONSTASCII_USTRING( name ) \ + extern const ConstAsciiString name + +#define IMPLEMENT_CONSTASCII_USTRING( name, string ) \ + const ConstAsciiString name(string, sizeof(string)-1) + + +#endif // _DBASHARED_CONSTASCIISTRING_HXX_ |