extensions/source/propctrlr/stringdefine.hxx

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  30
  31 #ifndef _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
  32 #define _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
  33
  34 #include <rtl/ustring.hxx>
  35 #include <tools/string.hxx>
  36
  37 //............................................................................
  38 namespace pcr
  39 {
  40 //............................................................................
  41
  42     //============================================================
  43     //= a helper for static ascii pseudo-unicode strings
  44     //============================================================
  45     struct ConstAsciiString
  46     {
  47         const sal_Char* ascii;
  48         sal_Int32               length;
  49
  50         inline  operator const ::rtl::OUString& () const;
  51         inline  operator const sal_Char* () const { return ascii; }
  52
  53         inline ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength);
  54         inline ~ConstAsciiString();
  55
  56     private:
  57         mutable ::rtl::OUString*        ustring;
  58     };
  59
  60     //------------------------------------------------------------
  61     inline ConstAsciiString::ConstAsciiString(const sal_Char* _pAsciiZeroTerminated, const sal_Int32 _nLength)
  62         :ascii(_pAsciiZeroTerminated)
  63         ,length(_nLength)
  64         ,ustring(NULL)
  65     {
  66     }
  67
  68     //------------------------------------------------------------
  69     inline ConstAsciiString::~ConstAsciiString()
  70     {
  71         delete ustring;
  72         ustring = NULL;
  73     }
  74
  75     //------------------------------------------------------------
  76     inline ConstAsciiString::operator const ::rtl::OUString& () const
  77     {
  78         if (!ustring)
  79             ustring = new ::rtl::OUString(ascii, length, RTL_TEXTENCODING_ASCII_US);
  80         return *ustring;
  81     }
  82
  83     //============================================================
  84
  85 #define CONST_ASCII_LENGTH(c)   \
  86     (const sal_Char*)c, c.length()
  87
  88     //============================================================
  89     //= concrete strings
  90     //============================================================
  91     #ifndef PCR_IMPLEMENT_STRINGS
  92     #define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident
  93     #else
  94     #define PCR_CONSTASCII_STRING(ident, string) extern const ConstAsciiString ident(string, sizeof(string)-1)
  95     #endif
  96
  97 //............................................................................
  98 } // namespace pcr
  99 //............................................................................
 100
 101 #endif // _EXTENSIONS_FORMSCTRLR_STRINGDEFINE_HXX_
 102