void CString::AssignCopy(int nSrcLen, LPCTSTR lpszSrcData)
{
AllocBeforeWrite(nSrcLen);
memcpy(m_pchData, lpszSrcData, nSrcLen*sizeof(TCHAR));
GetData()->nDataLength = nSrcLen;
m_pchData[nSrcLen] = '\0';
}
/*
* @implemented
*/
const CHString& CHString::operator=(LPCSTR lpsz) throw (CHeap_Exception)
{
int Len;
// If we have string, get its len
if (lpsz != 0)
{
Len = strlen(lpsz);
}
else
{
Len = 0;
}
// Do this call, even with null len, just to get empty string
AllocBeforeWrite(Len);
if (Len == 0)
{
Release();
return *this;
}
// Convert and copy
mbstowcsz(m_pchData, lpsz, Len + 1);
// Get new size and so on
ReleaseBuffer();
return *this;
}
void CFX_WideString::AssignCopy(FX_STRSIZE nSrcLen, const FX_WCHAR* lpszSrcData)
{
AllocBeforeWrite(nSrcLen);
FXSYS_memcpy(m_pData->m_String, lpszSrcData, nSrcLen * sizeof(FX_WCHAR));
m_pData->m_nDataLength = nSrcLen;
m_pData->m_String[nSrcLen] = 0;
}
const CString& CString::operator=(LPCWSTR lpsz)
{
int nSrcLen = lpsz != NULL ? wcslen(lpsz) : 0;
AllocBeforeWrite(nSrcLen*2);
_wcstombsz(m_pchData, lpsz, (nSrcLen*2)+1);
ReleaseBuffer();
return *this;
}
const CString& CString::operator=(LPCSTR lpsz)
{
int nSrcLen = lpsz != NULL ? lstrlenA(lpsz) : 0;
AllocBeforeWrite(nSrcLen);
_mbstowcsz(m_pchData, lpsz, nSrcLen+1);
ReleaseBuffer();
return *this;
}
// get the pointer to writable buffer of (at least) nLen bytes
wxStringCharType *wxStringImpl::DoGetWriteBuf(size_t nLen)
{
if ( !AllocBeforeWrite(nLen) ) {
// allocation failure handled by caller
return NULL;
}
wxASSERT( GetStringData()->nRefs == 1 );
GetStringData()->Validate(false);
return m_pchData;
}
// helper function: does real copy
bool wxStringImpl::AssignCopy(size_t nSrcLen,
const wxStringCharType *pszSrcData)
{
if ( nSrcLen == 0 ) {
Reinit();
}
else {
if ( !AllocBeforeWrite(nSrcLen) ) {
// allocation failure handled by caller
return false;
}
memcpy(m_pchData, pszSrcData, nSrcLen*sizeof(wxStringCharType));
GetStringData()->nDataLength = nSrcLen;
m_pchData[nSrcLen] = wxT('\0');
}
return true;
}
// helper function: does real copy
bool wxStringImpl::AssignCopy(size_t nSrcLen,
const wxStringCharType *pszSrcData)
{
if ( nSrcLen == 0 ) {
Reinit();
}
else {
if ( !AllocBeforeWrite(nSrcLen) ) {
// allocation failure handled by caller
return false;
}
// use memmove() and not memcpy() here as we might be copying from our own
// buffer in case of assignment such as "s = s.c_str()" (see #11294)
memmove(m_pchData, pszSrcData, nSrcLen*sizeof(wxStringCharType));
GetStringData()->nDataLength = nSrcLen;
m_pchData[nSrcLen] = wxT('\0');
}
return true;
}
/*
* @implemented
*/
void CHString::AssignCopy(int nSrcLen, LPCWSTR lpszSrcData) throw (CHeap_Exception)
{
// Don't allow negative len
if (nSrcLen < 0)
{
RaiseException(ERROR_INVALID_PARAMETER, EXCEPTION_NONCONTINUABLE, 0, 0);
}
// We will have to modify a string that might be shared, so duplicate it
// Ensuring it's big enough to contain our new stuff
AllocBeforeWrite(nSrcLen);
if (nSrcLen == 0)
{
Release();
return;
}
// Just copy, write down new size, and ensure it's null terminated
wcsncpy(m_pchData, lpszSrcData, nSrcLen);
GetData()->nDataLength = nSrcLen;
m_pchData[nSrcLen] = 0;
}
void CFX_ByteString::AssignCopy(const FX_CHAR* pSrcData, FX_STRSIZE nSrcLen) {
AllocBeforeWrite(nSrcLen);
m_pData->CopyContents(pSrcData, nSrcLen);
m_pData->m_nDataLength = nSrcLen;
}
