scintilla/src/CharClassify.h

   1 // Scintilla source code edit control
   2 /** @file CharClassify.h
   3  ** Character classifications used by Document and RESearch.
   4  **/
   5 // Copyright 2006-2009 by Neil Hodgson <neilh@scintilla.org>
   6 // The License.txt file describes the conditions under which this software may be distributed.
   7
   8 #ifndef CHARCLASSIFY_H
   9 #define CHARCLASSIFY_H
  10
  11 #ifdef SCI_NAMESPACE
  12 namespace Scintilla {
  13 #endif
  14
  15 class CharClassify {
  16 public:
  17         CharClassify();
  18
  19         enum cc { ccSpace, ccNewLine, ccWord, ccPunctuation };
  20         void SetDefaultCharClasses(bool includeWordClass);
  21         void SetCharClasses(const unsigned char *chars, cc newCharClass);
  22         int GetCharsOfClass(cc charClass, unsigned char *buffer);
  23         cc GetClass(unsigned char ch) const { return static_cast<cc>(charClass[ch]);}
  24         bool IsWord(unsigned char ch) const { return static_cast<cc>(charClass[ch]) == ccWord;}
  25
  26 private:
  27         enum { maxChar=256 };
  28         unsigned char charClass[maxChar];    // not type cc to save space
  29 };
  30
  31 #ifdef SCI_NAMESPACE
  32 }
  33 #endif
  34
  35 #endif