shared source/vb/language/shared/unicode.h

   1 //-------------------------------------------------------------------------------------------------
   2 //
   3 //  Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 //  This module provides wrappers that simulate unicode API's on Win95.
   6 //
   7 //-------------------------------------------------------------------------------------------------
   8
   9 #pragma once
  10
  11 /*****************************************************************************/
  12 // @@ fullwidth/halfwidth conversion macros
  13
  14 // MAKEFULLWIDTH - Converts a half-width to full-width character
  15
  16 #define MAKEFULLWIDTH(c) (((c) < 0x0021 || (c) > 0x007E) ? (c) : ((c) + 0xFF00 - 0x0020))
  17
  18 // MAKEHALFWIDTH - Converts a full-width character to half-width
  19 #define MAKEHALFWIDTH(c) (((c) < 0xFF01 || (c) > 0xFF5E) ? (c) : ((c) - 0xFF00 + 0x0020))
  20
  21 // ISFULLWIDTH - Returns if the character is full width
  22 #define ISFULLWIDTH(c) ((c) > 0xFF00 && (c) < 0xFF5F)
  23
  24 #if ID_TEST
  25
  26 /*****************************************************************************/
  27 // @@ Unicode/Ansi string conversion functions
  28 // - WIDESTR(sz) - converts an ANSI string to unicode on the stack
  29 // - ANSISTR(wsz) - converts a unicode string to ANSI on the stack
  30 // - WszCpyToSz(sz, wsz) - copy a unicode string into an ansi buffer
  31 // - SzCpyToWsz(wsz, sz) - copy an ANSI string to unicode buffer
  32 // Be care of using the WIDESTR and ANSISTR macros inside of a loop, since
  33 // each invocation causes stack allocation.  If you need to perform
  34 // ANSI / Unicode version within a loop, use WszCpyToSz or SzCpyToWsz
  35
  36 char * WszCpyToSz(
  37     _Out_z_cap_x_(strlen(wszSrc)+ 1)char * szDest,
  38     _In_z_ const WCHAR * wszSrc);
  39
  40 WCHAR * SzCpyToWsz(
  41     _Out_z_cap_x_((strlen(szSrc)+ 1)* sizeof(WCHAR))WCHAR * wszDest,
  42     _In_z_ const char * szSrc);
  43
  44 #endif
  45
  46 /*****************************************************************************/
  47 // @@ Unicode string compare functions.
  48 // - WszEqNoCase      - case insensitive,  default lcid, compare entire string
  49 // - WszEqLenNoCase   - case insensitive,  default lcid,
  50
  51 bool WszEqNoCase(
  52     _In_z_ const WCHAR * wsz1,
  53     _In_z_ const WCHAR * wsz2);
  54
  55 bool WszEqLenNoCase(
  56     _In_count_(cch)const WCHAR * wsz1,
  57     int cch,
  58     _In_z_ const WCHAR * wsz2);
  59
  60 /*****************************************************************************/
  61 // @@ Unicode string conversion functions.
  62 // - BinaryToUnicode          - converts binary stream into hex-encoded string
  63
  64 void BinaryToUnicode(
  65     BYTE * pbSrc,
  66     UINT cbSrc,
  67     _Out_z_cap_x_(" At least cbSrc ")LPWSTR pwszDst);