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added wxUTF8StringBuffer for writing UTF8 data into wxString efficiently, similarly to existing wxStringBuffer classes

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48222 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Václav Slavík
2007-08-20 15:19:15 +00:00
parent 4f1cf94b94
commit 628f87da56
3 changed files with 78 additions and 6 deletions
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29
src/common/string.cpp
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@@ -1832,3 +1832,32 @@ wxString wxString::Upper() const
// convert to lower case, return the copy of the string
wxString wxString::Lower() const { wxString s(*this); return s.MakeLower(); }
// ----------------------------------------------------------------------------
// wxUTF8StringBuffer
// ----------------------------------------------------------------------------
#if wxUSE_UNICODE && (!wxUSE_UNICODE_UTF8 || wxUSE_STL_BASED_WXSTRING)
wxUTF8StringBuffer::~wxUTF8StringBuffer()
{
wxMBConvStrictUTF8 conv;
size_t wlen = conv.ToWChar(NULL, 0, m_buf);
wxCHECK_RET( wlen != wxCONV_FAILED, "invalid UTF-8 data in string buffer?" );
wxStringInternalBuffer wbuf(m_str, wlen);
conv.ToWChar(wbuf, wlen, m_buf);
}
wxUTF8StringBufferLength::~wxUTF8StringBufferLength()
{
wxCHECK_RET(m_lenSet, "length not set");
wxMBConvStrictUTF8 conv;
size_t wlen = conv.ToWChar(NULL, 0, m_buf, m_len);
wxCHECK_RET( wlen != wxCONV_FAILED, "invalid UTF-8 data in string buffer?" );
wxStringInternalBufferLength wbuf(m_str, wlen);
conv.ToWChar(wbuf, wlen, m_buf, m_len);
wbuf.SetLength(wlen);
}
#endif // wxUSE_UNICODE && (!wxUSE_UNICODE_UTF8 || wxUSE_STL_BASED_WXSTRING)