mirror of https://github.com/lianthony/NT4.0
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
2.7 KiB
101 lines
2.7 KiB
// This is a part of the Microsoft Foundation Classes C++ library.
|
|
// Copyright (C) 1992-1995 Microsoft Corporation
|
|
// All rights reserved.
|
|
//
|
|
// This source code is only intended as a supplement to the
|
|
// Microsoft Foundation Classes Reference and related
|
|
// electronic documentation provided with the library.
|
|
// See these sources for detailed information regarding the
|
|
// Microsoft Foundation Classes product.
|
|
|
|
#include "stdafx.h"
|
|
|
|
#ifdef AFX_CORE1_SEG
|
|
#pragma code_seg(AFX_CORE1_SEG)
|
|
#endif
|
|
|
|
#ifdef _DEBUG
|
|
#undef THIS_FILE
|
|
static char THIS_FILE[] = __FILE__;
|
|
#endif
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
// Windows extensions to strings
|
|
|
|
#ifdef _UNICODE
|
|
#define CHAR_FUDGE 1 // one TCHAR unused is good enough
|
|
#else
|
|
#define CHAR_FUDGE 2 // two BYTES unused for case of DBC last char
|
|
#endif
|
|
|
|
BOOL CString::LoadString(UINT nID)
|
|
{
|
|
// try fixed buffer first (to avoid wasting space in the heap)
|
|
TCHAR szTemp[256];
|
|
int nLen = AfxLoadString(nID, szTemp, _countof(szTemp));
|
|
if (_countof(szTemp) - nLen > CHAR_FUDGE)
|
|
{
|
|
*this = szTemp;
|
|
return nLen > 0;
|
|
}
|
|
|
|
// try buffer size of 512, then larger size until entire string is retrieved
|
|
int nSize = 256;
|
|
do
|
|
{
|
|
nSize += 256;
|
|
nLen = AfxLoadString(nID, GetBuffer(nSize-1), nSize);
|
|
} while (nSize - nLen <= CHAR_FUDGE);
|
|
ReleaseBuffer();
|
|
|
|
return nLen > 0;
|
|
}
|
|
|
|
#ifndef _AFXDLL
|
|
int AFXAPI AfxLoadString(UINT nID, LPTSTR lpszBuf, UINT nMaxBuf)
|
|
{
|
|
ASSERT(AfxIsValidAddress(lpszBuf, nMaxBuf*sizeof(TCHAR)));
|
|
#ifdef _DEBUG
|
|
// LoadString without annoying warning from the Debug kernel if the
|
|
// segment containing the string is not present
|
|
if (::FindResource(AfxGetResourceHandle(),
|
|
MAKEINTRESOURCE((nID>>4)+1), RT_STRING) == NULL)
|
|
{
|
|
lpszBuf[0] = '\0';
|
|
return 0; // not found
|
|
}
|
|
#endif //_DEBUG
|
|
int nLen = ::LoadString(AfxGetResourceHandle(), nID, lpszBuf, nMaxBuf);
|
|
if (nLen == 0)
|
|
lpszBuf[0] = '\0';
|
|
return nLen;
|
|
}
|
|
#endif
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
|
|
BOOL AFXAPI AfxExtractSubString(CString& rString, LPCTSTR lpszFullString,
|
|
int iSubString, TCHAR chSep)
|
|
{
|
|
if (lpszFullString == NULL)
|
|
return FALSE;
|
|
|
|
while (iSubString--)
|
|
{
|
|
lpszFullString = _tcschr(lpszFullString, chSep);
|
|
if (lpszFullString == NULL)
|
|
{
|
|
rString.Empty(); // return empty string as well
|
|
return FALSE;
|
|
}
|
|
lpszFullString++; // point past the separator
|
|
}
|
|
LPCTSTR lpchEnd = _tcschr(lpszFullString, chSep);
|
|
int nLen = (lpchEnd == NULL) ?
|
|
lstrlen(lpszFullString) : (int)(lpchEnd - lpszFullString);
|
|
ASSERT(nLen >= 0);
|
|
memcpy(rString.GetBufferSetLength(nLen), lpszFullString, nLen*sizeof(TCHAR));
|
|
return TRUE;
|
|
}
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|