JavaScriptCore-903.tar.gz

[apple/javascriptcore.git] / wtf / wx / StringWx.cpp

diff --git a/wtf/wx/StringWx.cpp b/wtf/wx/StringWx.cpp
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+/*
+ * Copyright (C) 2007 Vaclav Slavik, Kevin Ollivier <kevino@theolliviers.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+
+// The wx headers must come first in this case, because the wtf/text headers
+// import windows.h, and we need to allow the wx headers to set its configuration
+// first.
+#include <wx/defs.h>
+#include <wx/string.h>
+
+#include <wtf/text/CString.h>
+#include <wtf/text/WTFString.h>
+
+namespace WTF {
+
+String::String(const wxString& wxstr)
+{
+#if !wxUSE_UNICODE
+    #error "This code only works in Unicode build of wxWidgets"
+#endif
+
+#if SIZEOF_WCHAR_T == 2
+
+    const UChar* str = wxstr.wc_str(); 
+    const size_t len = wxstr.length(); 
+
+#else // SIZEOF_WCHAR_T == 4
+
+    // NB: we can't simply use wxstr.mb_str(wxMBConvUTF16()) here because
+    //     the number of characters in UTF-16 encoding of the string may differ
+    //     from the number of UTF-32 values and we can't get the length from
+    //     returned buffer:
+
+#if defined(wxUSE_UNICODE_UTF8) && wxUSE_UNICODE_UTF8
+    // in wx3's UTF8 mode, wc_str() returns a buffer, not raw pointer
+    wxWCharBuffer wideString(wxstr.wc_str());
+#else
+    const wxChar *wideString = wxstr.wc_str();
+#endif
+    size_t wideLength = wxstr.length();
+
+    wxMBConvUTF16 conv;
+
+    const size_t utf16bufLen = conv.FromWChar(0, 0, wideString, wideLength); 
+    wxCharBuffer utf16buf(utf16bufLen); 
+
+    const UChar* str = (const UChar*)utf16buf.data(); 
+    size_t len = conv.FromWChar(utf16buf.data(), utf16bufLen, wideString, wideLength) / 2; 
+
+#endif // SIZEOF_WCHAR_T == 2
+
+    m_impl = StringImpl::create(str, len);
+
+}
+
+String::operator wxString() const
+{
+    return wxString(utf8().data(), wxConvUTF8);
+}
+
+} // namespace WTF