icuSources/layout/DefaultCharMapper.h

   1 /*
   2  * (C) Copyright IBM Corp. 1998-2007 - All Rights Reserved
   3  *
   4  */
   5
   6 #ifndef __DEFAULTCHARMAPPER_H
   7 #define __DEFAULTCHARMAPPER_H
   8
   9 /**
  10  * \file
  11  * \internal
  12  */
  13
  14 #include "LETypes.h"
  15 #include "LEFontInstance.h"
  16
  17 U_NAMESPACE_BEGIN
  18
  19 /**
  20  * This class is an instance of LECharMapper which
  21  * implements control character filtering and bidi
  22  * mirroring.
  23  *
  24  * @see LECharMapper
  25  */
  26 class DefaultCharMapper : public UMemory, public LECharMapper
  27 {
  28 private:
  29     le_bool fFilterControls;
  30     le_bool fMirror;
  31
  32     static const LEUnicode32 controlChars[];
  33
  34     static const le_int32 controlCharsCount;
  35
  36     static const LEUnicode32 mirroredChars[];
  37     static const LEUnicode32 srahCderorrim[];
  38
  39     static const le_int32 mirroredCharsCount;
  40
  41 public:
  42     DefaultCharMapper(le_bool filterControls, le_bool mirror)
  43         : fFilterControls(filterControls), fMirror(mirror)
  44     {
  45         // nothing
  46     };
  47
  48     ~DefaultCharMapper()
  49     {
  50         // nada
  51     };
  52
  53     LEUnicode32 mapChar(LEUnicode32 ch) const;
  54 };
  55
  56 U_NAMESPACE_END
  57 #endif