Source code of Windows XP (NT5)
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150 lines
3.4 KiB

// StResource.cpp -- String Resource helper routines
// (c) Copyright Schlumberger Technology Corp., unpublished work, created
// 1998. This computer program includes Confidential, Proprietary
// Information and is a Trade Secret of Schlumberger Technology Corp. All
// use, disclosure, and/or reproduction is prohibited unless authorized
// in writing. All Rights Reserved.
#if defined(_UNICODE)
#if !defined(UNICODE)
#define UNICODE
#endif //!UNICODE
#endif //_UNICODE
#if defined(UNICODE)
#if !defined(_UNICODE)
#define _UNICODE
#endif //!_UNICODE
#endif //UNICODE
#include "stdafx.h"
#include <string>
#include <scuOsExc.h>
#include "CspProfile.h"
#include "StResource.h"
#include "Blob.h"
using namespace std;
using namespace ProviderProfile;
// Maximum string resource length as defined by MS
static const size_t cMaxResourceLength = 4095;
StringResource::StringResource(UINT uID)
: m_s()
{
static _TCHAR szBuffer[cMaxResourceLength]; // include null terminator
if (0 == LoadString(CspProfile::Instance().Resources(), uID, szBuffer,
(sizeof szBuffer / sizeof szBuffer[0])))
throw scu::OsException(ERROR_RESOURCE_NOT_PRESENT);
string stmp(AsCCharP(szBuffer), (_tcslen(szBuffer)+1)*sizeof _TCHAR);
m_s = stmp;
CString cstmp(szBuffer);
m_cs = cstmp;
}
const string
StringResource::AsString() const
{
return m_s;
}
const CString
StringResource::AsCString() const
{
return m_cs;
}
const string
StringResource::AsciiFromUnicode(LPCTSTR szSource)
{
string sTarget;
int nChars = _tcslen(szSource);
sTarget.resize(nChars);
for(int i =0; i<nChars; i++)
sTarget[i] = static_cast<char>(*(szSource+i));
return sTarget;
}
const string
StringResource::CheckAsciiFromUnicode(LPCTSTR szSource)
{
string sTarget;
int nChars = _tcslen(szSource);
//Here we check every incoming character for being
//a proper ASCII character before assigning it to the
//output buffer. We set the output to '\xFF' if the ascii
//test fails.
sTarget.resize(nChars);
for(int i =0; i<nChars; i++)
{
if(iswascii(*(szSource+i)))
{
sTarget[i] = static_cast<char>(*(szSource+i));
}
else
{
sTarget[i] = '\xFF';
}
}
return sTarget;
}
bool
StringResource::IsASCII(LPCTSTR szSource)
{
bool RetValue = true;
int nChars = _tcslen(szSource);
//Here we check every incoming character for being
//a proper ASCII character. If one of them is non ASCII
//we return false
for(int i =0; i<nChars; i++)
{
if(!iswascii(*(szSource+i)))
{
return false;
}
}
return RetValue;
}
const CString
StringResource::UnicodeFromAscii(string const &rsSource)
{
CString csTarget;
int nChars = rsSource.length();
if(nChars)
{
LPTSTR pCharBuffer = csTarget.GetBufferSetLength(nChars);
int itChar = 0;
for(int iChar=0; iChar<nChars; iChar++)
{
if(rsSource[iChar] != '\0')
*(pCharBuffer+itChar++) = rsSource[iChar];
}
//Set the final null terminator
*(pCharBuffer+itChar)='\0';
csTarget.ReleaseBuffer(-1);//Let CString set its length appropriately
}
return csTarget;
}
HANDLE
GetImageResource(DWORD dwId,
DWORD dwType)
{
return LoadImage(CspProfile::Instance().Resources(),
MAKEINTRESOURCE(dwId), dwType, 0, 0, LR_SHARED);
}