include/vcl/strhelper.hxx

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  19 #ifndef INCLUDED_VCL_STRHELPER_HXX
  20 #define INCLUDED_VCL_STRHELPER_HXX
  21
  22 #include <cstring>
  23 #include <rtl/math.hxx>
  24 #include <rtl/ustring.hxx>
  25 #include <vcl/dllapi.h>
  26
  27 namespace psp
  28 {
  29     VCL_DLLPUBLIC OUString GetCommandLineToken( int, const OUString& );
  30     VCL_DLLPUBLIC OString GetCommandLineToken(int, const OString&);
  31     // gets one token of a unix command line style string
  32     // doublequote, singlequote and singleleftquote protect their respective
  33     // contents
  34
  35     VCL_DLLPUBLIC int GetCommandLineTokenCount(const OUString&);
  36     // returns number of tokens (zero if empty or whitespace only)
  37
  38     VCL_DLLPUBLIC OUString WhitespaceToSpace( const OUString&, bool bProtect = true );
  39     VCL_DLLPUBLIC OString WhitespaceToSpace(const OString&);
  40     // returns a string with multiple adjacent occurrences of whitespace
  41     // converted to a single space. if bProtect is sal_True (nonzero), then
  42     // doublequote, singlequote and singleleftquote protect their respective
  43     // contents
  44
  45
  46     // parses the first double in the string; decimal is '.' only
  47     inline double StringToDouble( const OUString& rStr )
  48     {
  49         return rtl::math::stringToDouble(rStr, u'.', u'\0');
  50     }
  51
  52     inline double StringToDouble(const OString& rStr)
  53     {
  54         return rtl::math::stringToDouble(rStr, '.', static_cast<sal_Char>(0));
  55     }
  56
  57     // fills a character buffer with the string representation of a double
  58     // the buffer has to be long enough (e.g. 128 bytes)
  59     // returns the string len
  60     inline int getValueOfDouble( char* pBuffer, double f, int nPrecision = 0)
  61     {
  62         OString aStr( rtl::math::doubleToString( f, rtl_math_StringFormat_G, nPrecision, '.', true ) );
  63         int nLen = aStr.getLength();
  64         std::strncpy( pBuffer, aStr.getStr(), nLen+1 ); // copy string including terminating zero
  65         return nLen;
  66     }
  67
  68 } // namespace
  69
  70 #endif // INCLUDED_VCL_STRHELPER_HXX
  71
  72 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */