FX_STRSIZE CFX_WideString::Find(FX_WCHAR ch, FX_STRSIZE nStart) const {
if (m_pData == NULL) {
return -1;
}
FX_STRSIZE nLength = m_pData->m_nDataLength;
if (nStart >= nLength) {
return -1;
}
const FX_WCHAR* lpsz = FXSYS_wcschr(m_pData->m_String + nStart, ch);
return (lpsz == NULL) ? -1 : (int)(lpsz - m_pData->m_String);
}
void CFX_WideString::TrimRight(const FX_WCHAR* lpszTargetList) {
FXSYS_assert(lpszTargetList != NULL);
if (m_pData == NULL || *lpszTargetList == 0) {
return;
}
CopyBeforeWrite();
FX_STRSIZE len = GetLength();
if (len < 1) {
return;
}
FX_STRSIZE pos = len;
while (pos) {
if (FXSYS_wcschr(lpszTargetList, m_pData->m_String[pos - 1]) == NULL) {
break;
}
pos--;
}
if (pos < len) {
m_pData->m_String[pos] = 0;
m_pData->m_nDataLength = pos;
}
}
void CFX_WideString::TrimLeft(const FX_WCHAR* lpszTargets)
{
FXSYS_assert(lpszTargets != NULL);
if (m_pData == NULL || *lpszTargets == 0) {
return;
}
CopyBeforeWrite();
if (GetLength() < 1) {
return;
}
const FX_WCHAR* lpsz = m_pData->m_String;
while (*lpsz != 0) {
if (FXSYS_wcschr(lpszTargets, *lpsz) == NULL) {
break;
}
lpsz ++;
}
if (lpsz != m_pData->m_String) {
int nDataLength = m_pData->m_nDataLength - (FX_STRSIZE)(lpsz - m_pData->m_String);
FXSYS_memmove(m_pData->m_String, lpsz, (nDataLength + 1)*sizeof(FX_WCHAR));
m_pData->m_nDataLength = nDataLength;
}
}
