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 namespace Scintilla::Internal {
  12
  13 enum class CharacterClass : unsigned char { space, newLine, word, punctuation };
  14
  15 class CharClassify {
  16 public:
  17         CharClassify();
  18
  19         void SetDefaultCharClasses(bool includeWordClass);
  20         void SetCharClasses(const unsigned char *chars, CharacterClass newCharClass);
  21         int GetCharsOfClass(CharacterClass characterClass, unsigned char *buffer) const noexcept;
  22         CharacterClass GetClass(unsigned char ch) const noexcept { return charClass[ch];}
  23         bool IsWord(unsigned char ch) const noexcept { return charClass[ch] == CharacterClass::word;}
  24
  25 private:
  26         static constexpr int maxChar=256;
  27         CharacterClass charClass[maxChar];
  28 };
  29
  30 }
  31
  32 #endif