TAO/tests/CodeSets/libs/UCS4_UTF16/WUCS4_UTF16.h

   1 // -*- C++ -*-
   2
   3 //=============================================================================
   4 /**
   5  *  @file    WUCS4_UTF16.h
   6  *
   7  *  @author Phil Mesnier <mesnier_p@ociweb.com>
   8  */
   9 //=============================================================================
  10
  11 #ifndef WUCS4_UTF16_H
  12 #define WUCS4_UTF16_H
  13 #include /**/ "ace/pre.h"
  14
  15 #include "ace/config-all.h"
  16
  17 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  18 # pragma once
  19 #endif /* ACE_LACKS_PRAGMA_ONCE */
  20
  21 #include "ace/CDR_Stream.h"
  22 #include "WUCS4_UTF16_export.h"
  23
  24 // ****************************************************************
  25
  26 /**
  27  * @class ACE_Char_UCS4_UTF16
  28  *
  29  * @brief Codeset translation specialization.
  30  *
  31  * This class performs the codeset translation:
  32  *   - Native:        IBM_1047 (i.e. EBCDIC)
  33  *   - Stream:        ISO-8859 (i.e. Latin/1)
  34  */
  35 class UCS4_UTF16_Export WUCS4_UTF16 : public ACE_WChar_Codeset_Translator
  36 {
  37 public:
  38   /// A do nothing constructor.
  39   WUCS4_UTF16 ();
  40
  41   /// Virtual destruction
  42   virtual ~WUCS4_UTF16 ();
  43
  44   // = Documented in $ACE_ROOT/ace/CDR_Stream.h
  45   virtual ACE_CDR::Boolean read_wchar (ACE_InputCDR &,
  46                                       ACE_CDR::WChar &);
  47   virtual ACE_CDR::Boolean read_wstring (ACE_InputCDR &,
  48                                         ACE_CDR::WChar *&);
  49   virtual ACE_CDR::Boolean read_wchar_array (ACE_InputCDR &,
  50                                             ACE_CDR::WChar *,
  51                                             ACE_CDR::ULong);
  52   virtual ACE_CDR::Boolean write_wchar (ACE_OutputCDR &,
  53                                        ACE_CDR::WChar);
  54   virtual ACE_CDR::Boolean write_wstring (ACE_OutputCDR &,
  55                                          ACE_CDR::ULong,
  56                                          const ACE_CDR::WChar *);
  57   virtual ACE_CDR::Boolean write_wchar_array (ACE_OutputCDR &,
  58                                              const ACE_CDR::WChar *,
  59                                              ACE_CDR::ULong);
  60   virtual ACE_CDR::ULong ncs () {return 0x00010104;}
  61   virtual ACE_CDR::ULong tcs () {return 0x00010109;}
  62
  63 private:
  64   ACE_CDR::Boolean read_wchar_array_i (ACE_InputCDR &,
  65                                        ACE_CDR::WChar *,
  66                                        ACE_CDR::ULong&,
  67                                        int adjust_len = 0);
  68
  69   ACE_CDR::Boolean write_wchar_i (ACE_OutputCDR &,
  70                                   ACE_CDR::WChar ,
  71                                   int use_BOM,
  72                                   int encode_len);
  73
  74   /**
  75     Due to surrogate pair substution the transmitted length of a wstring can
  76     differ from the logical strength length.  This version of write_wchar_array
  77     accepts both lengths and uses them as necessary.
  78    */
  79   ACE_CDR::Boolean write_measured_wchar_array (
  80       ACE_OutputCDR & cdr,
  81       const ACE_CDR::WChar *x,
  82       ACE_CDR::ULong length,
  83       ACE_CDR::ULong transmission_length);
  84 };
  85
  86 #include /**/ "ace/post.h"
  87 #endif /* WCHAR_UCS4_UTF16_TRANSLATOR */