-#if wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
-const char* wxCStrData::AsChar() const
-{
-#if wxUSE_UNICODE_UTF8
- if ( wxLocaleIsUtf8 )
- return AsInternal();
-#endif
- // under non-UTF8 locales, we have to convert the internal UTF-8
- // representation using wxConvLibc and cache the result
-
- wxString *str = wxConstCast(m_str, wxString);
-
- // convert the string:
- //
- // FIXME-UTF8: we'd like to do the conversion in the existing buffer (if we
- // have it) but it's unfortunately not obvious to implement
- // because we don't know how big buffer do we need for the
- // given string length (in case of multibyte encodings, e.g.
- // ISO-2022-JP or UTF-8 when internal representation is wchar_t)
- //
- // One idea would be to store more than just m_convertedToChar
- // in wxString: then we could record the length of the string
- // which was converted the last time and try to reuse the same
- // buffer if the current length is not greater than it (this
- // could still fail because string could have been modified in
- // place but it would work most of the time, so we'd do it and
- // only allocate the new buffer if in-place conversion returned
- // an error). We could also store a bit saying if the string
- // was modified since the last conversion (and update it in all
- // operation modifying the string, of course) to avoid unneeded
- // consequential conversions. But both of these ideas require
- // adding more fields to wxString and require profiling results
- // to be sure that we really gain enough from them to justify
- // doing it.
- wxScopedCharBuffer buf(str->mb_str());
-
- // if it failed, return empty string and not NULL to avoid crashes in code
- // written with either wxWidgets 2 wxString or std::string behaviour in
- // mind: neither of them ever returns NULL and so we shouldn't neither
- if ( !buf )
- return "";
-
- if ( str->m_convertedToChar &&
- strlen(buf) == strlen(str->m_convertedToChar) )
- {
- // keep the same buffer for as long as possible, so that several calls
- // to c_str() in a row still work:
- strcpy(str->m_convertedToChar, buf);
- }
- else
- {
- str->m_convertedToChar = buf.release();
- }
-
- // and keep it:
- return str->m_convertedToChar + m_offset;
-}
-#endif // wxUSE_UNICODE && !wxUSE_UTF8_LOCALE_ONLY
-
-#if !wxUSE_UNICODE_WCHAR
-const wchar_t* wxCStrData::AsWChar() const
-{
- wxString *str = wxConstCast(m_str, wxString);
-
- // convert the string:
- wxScopedWCharBuffer buf(str->wc_str());
-
- // notice that here, unlike above in AsChar(), conversion can't fail as our
- // internal UTF-8 is always well-formed -- or the string was corrupted and
- // all bets are off anyhow
-
- // FIXME-UTF8: do the conversion in-place in the existing buffer
- if ( str->m_convertedToWChar &&
- wxWcslen(buf) == wxWcslen(str->m_convertedToWChar) )
- {
- // keep the same buffer for as long as possible, so that several calls
- // to c_str() in a row still work:
- memcpy(str->m_convertedToWChar, buf, sizeof(wchar_t) * wxWcslen(buf));
- }
- else
- {
- str->m_convertedToWChar = buf.release();
- }
-
- // and keep it:
- return str->m_convertedToWChar + m_offset;
-}
-#endif // !wxUSE_UNICODE_WCHAR
-