icuSources/layout/DefaultCharMapper.h

   1 /*
   2  * %W% %W%
   3  *
   4  * (C) Copyright IBM Corp. 1998-2003 - All Rights Reserved
   5  *
   6  */
   7
   8 #ifndef __DEFAULTCHARMAPPER_H
   9 #define __DEFAULTCHARMAPPER_H
  10
  11 /**
  12  * \file
  13  * \internal
  14  */
  15
  16 #include "LETypes.h"
  17 #include "LEFontInstance.h"
  18
  19 U_NAMESPACE_BEGIN
  20
  21 /**
  22  * This class is an instance of LECharMapper which
  23  * implements control character filtering and bidi
  24  * mirroring.
  25  *
  26  * @see LECharMapper
  27  */
  28 class DefaultCharMapper : public UMemory, public LECharMapper
  29 {
  30 private:
  31     le_bool fFilterControls;
  32     le_bool fMirror;
  33
  34     static const LEUnicode32 controlChars[];
  35
  36     static const le_int32 controlCharsCount;
  37
  38     static const LEUnicode32 mirroredChars[];
  39
  40     static const le_int32 mirroredCharsCount;
  41
  42 public:
  43     DefaultCharMapper(le_bool filterControls, le_bool mirror)
  44         : fFilterControls(filterControls), fMirror(mirror)
  45     {
  46         // nothing
  47     };
  48
  49     ~DefaultCharMapper()
  50     {
  51         // nada
  52     };
  53
  54     LEUnicode32 mapChar(LEUnicode32 ch) const;
  55 };
  56
  57 U_NAMESPACE_END
  58 #endif