wtf/wx/StringWx.cpp

   1 /*
   2  * Copyright (C) 2007 Vaclav Slavik, Kevin Ollivier <kevino@theolliviers.com>
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "config.h"
  27
  28 // The wx headers must come first in this case, because the wtf/text headers
  29 // import windows.h, and we need to allow the wx headers to set its configuration
  30 // first.
  31 #include <wx/defs.h>
  32 #include <wx/string.h>
  33
  34 #include <wtf/text/CString.h>
  35 #include <wtf/text/WTFString.h>
  36
  37 namespace WTF {
  38
  39 String::String(const wxString& wxstr)
  40 {
  41 #if !wxUSE_UNICODE
  42     #error "This code only works in Unicode build of wxWidgets"
  43 #endif
  44
  45 #if SIZEOF_WCHAR_T == 2
  46
  47     const UChar* str = wxstr.wc_str();
  48     const size_t len = wxstr.length();
  49
  50 #else // SIZEOF_WCHAR_T == 4
  51
  52     // NB: we can't simply use wxstr.mb_str(wxMBConvUTF16()) here because
  53     //     the number of characters in UTF-16 encoding of the string may differ
  54     //     from the number of UTF-32 values and we can't get the length from
  55     //     returned buffer:
  56
  57 #if defined(wxUSE_UNICODE_UTF8) && wxUSE_UNICODE_UTF8
  58     // in wx3's UTF8 mode, wc_str() returns a buffer, not raw pointer
  59     wxWCharBuffer wideString(wxstr.wc_str());
  60 #else
  61     const wxChar *wideString = wxstr.wc_str();
  62 #endif
  63     size_t wideLength = wxstr.length();
  64
  65     wxMBConvUTF16 conv;
  66
  67     const size_t utf16bufLen = conv.FromWChar(0, 0, wideString, wideLength);
  68     wxCharBuffer utf16buf(utf16bufLen);
  69
  70     const UChar* str = (const UChar*)utf16buf.data();
  71     size_t len = conv.FromWChar(utf16buf.data(), utf16bufLen, wideString, wideLength) / 2;
  72
  73 #endif // SIZEOF_WCHAR_T == 2
  74
  75     m_impl = StringImpl::create(str, len);
  76
  77 }
  78
  79 String::operator wxString() const
  80 {
  81     return wxString(utf8().data(), wxConvUTF8);
  82 }
  83
  84 } // namespace WTF