diff -r 4816d766a08a -r f345bda72bc4 Symbian3/PDK/Source/GUID-FE888721-C479-5D8A-810F-1A79575A1D58.dita --- a/Symbian3/PDK/Source/GUID-FE888721-C479-5D8A-810F-1A79575A1D58.dita Tue Mar 30 11:42:04 2010 +0100 +++ b/Symbian3/PDK/Source/GUID-FE888721-C479-5D8A-810F-1A79575A1D58.dita Tue Mar 30 11:56:28 2010 +0100 @@ -1,33 +1,33 @@ - - - - - -Introduction -to Lexical AnalysisA TLex object is used to perform lexical analysis. -

The class is used to:

- -

Member functions provide facilities to allow analysis and extraction of -lexical elements from a TLex object, and a variety of string-to-number -conversions.

-

The TLex class provides general-purpose lexical analysis -functions, using the locale-dependent functions of TChar to -identify whether characters are digits, letters etc. The data for these locale-dependent -functions is held in kernel-side locale tables. Thus, TLex functions -which use them, require an executive call. If an application requires very -fast lexical analysis of a language which is not locale-specific, then there -may be some advantage in designing and implementing a special-purpose lexical -analyzer class.

+ + + + + +Introduction +to Lexical AnalysisA TLex object is used to perform lexical analysis. +

The class is used to:

+
    +
  • store a string

  • +
  • maintain an extraction +mark to indicate the current lexical element being analysed

  • +
  • maintain a pointer to +indicate the next character to be examined.

  • +
+

Member functions provide facilities to allow analysis and extraction of +lexical elements from a TLex object, and a variety of string-to-number +conversions.

+

The TLex class provides general-purpose lexical analysis +functions, using the locale-dependent functions of TChar to +identify whether characters are digits, letters etc. The data for these locale-dependent +functions is held in kernel-side locale tables. Thus, TLex functions +which use them, require an executive call. If an application requires very +fast lexical analysis of a language which is not locale-specific, then there +may be some advantage in designing and implementing a special-purpose lexical +analyzer class.

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