Mercurial > vba-clojure

     1 // Common/StringConvert.cpp

     2 

     3 #include "StdAfx.h"

     4 

     5 #include "StringConvert.h"

     6 

     7 #ifndef _WIN32

     8 #include <stdlib.h>

     9 #endif

    10 

    11 #ifdef _WIN32

    12 UString MultiByteToUnicodeString(const AString &srcString, UINT codePage)

    13 {

    14   UString resultString;

    15   if (!srcString.IsEmpty())

    16   {

    17     int numChars = MultiByteToWideChar(codePage, 0, srcString,

    18       srcString.Length(), resultString.GetBuffer(srcString.Length()),

    19       srcString.Length() + 1);

    20     #ifndef _WIN32_WCE

    21     if (numChars == 0)

    22       throw 282228;

    23     #endif

    24     resultString.ReleaseBuffer(numChars);

    25   }

    26   return resultString;

    27 }

    28 

    29 AString UnicodeStringToMultiByte(const UString &s, UINT codePage, char defaultChar, bool &defaultCharWasUsed)

    30 {

    31   AString dest;

    32   defaultCharWasUsed = false;

    33   if (!s.IsEmpty())

    34   {

    35     int numRequiredBytes = s.Length() * 2;

    36     BOOL defUsed;

    37     int numChars = WideCharToMultiByte(codePage, 0, s, s.Length(),

    38         dest.GetBuffer(numRequiredBytes), numRequiredBytes + 1,

    39         &defaultChar, &defUsed);

    40     defaultCharWasUsed = (defUsed != FALSE);

    41     #ifndef _WIN32_WCE

    42     if (numChars == 0)

    43       throw 282229;

    44     #endif

    45     dest.ReleaseBuffer(numChars);

    46   }

    47   return dest;

    48 }

    49 

    50 AString UnicodeStringToMultiByte(const UString &srcString, UINT codePage)

    51 {

    52   bool defaultCharWasUsed;

    53   return UnicodeStringToMultiByte(srcString, codePage, '_', defaultCharWasUsed);

    54 }

    55 

    56 #ifndef _WIN32_WCE

    57 AString SystemStringToOemString(const CSysString &srcString)

    58 {

    59   AString result;

    60   CharToOem(srcString, result.GetBuffer(srcString.Length() * 2));

    61   result.ReleaseBuffer();

    62   return result;

    63 }

    64 #endif

    65 

    66 #else

    67 

    68 UString MultiByteToUnicodeString(const AString &srcString, UINT codePage)

    69 {

    70   UString resultString;

    71   for (int i = 0; i < srcString.Length(); i++)

    72     resultString += wchar_t(srcString[i]);

    73   /*

    74   if (!srcString.IsEmpty())

    75   {

    76     int numChars = mbstowcs(resultString.GetBuffer(srcString.Length()), srcString, srcString.Length() + 1);

    77     if (numChars < 0) throw "Your environment does not support UNICODE";

    78     resultString.ReleaseBuffer(numChars);

    79   }

    80   */

    81   return resultString;

    82 }

    83 

    84 AString UnicodeStringToMultiByte(const UString &srcString, UINT codePage)

    85 {

    86   AString resultString;

    87   for (int i = 0; i < srcString.Length(); i++)

    88     resultString += char(srcString[i]);

    89   /*

    90   if (!srcString.IsEmpty())

    91   {

    92     int numRequiredBytes = srcString.Length() * 6 + 1;

    93     int numChars = wcstombs(resultString.GetBuffer(numRequiredBytes), srcString, numRequiredBytes);

    94     if (numChars < 0) throw "Your environment does not support UNICODE";

    95     resultString.ReleaseBuffer(numChars);

    96   }

    97   */

    98   return resultString;

    99 }

   100 

   101 #endif

   102
author	Robert McIntyre <rlm@mit.edu>
date	Sat, 03 Mar 2012 10:31:27 -0600
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