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Diffstat (limited to 'WebCore/platform/text/wx/StringWx.cpp')
-rw-r--r-- | WebCore/platform/text/wx/StringWx.cpp | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/WebCore/platform/text/wx/StringWx.cpp b/WebCore/platform/text/wx/StringWx.cpp new file mode 100644 index 0000000..50919c4 --- /dev/null +++ b/WebCore/platform/text/wx/StringWx.cpp @@ -0,0 +1,92 @@ +/* + * 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" +#include "PlatformString.h" + +#include "CString.h" +#include "unicode/ustring.h" + +#include <wx/defs.h> +#include <wx/string.h> + +namespace WebCore { + +// String conversions +String::String(const wxString& wxstr) +{ +#if !wxUSE_UNICODE + #error "This code only works in Unicode build of wxWidgets" +#endif + + // ICU's UChar is 16bit wide, UTF-16, and the code below counts on it, so + // it would break if the definition changed: + wxCOMPILE_TIME_ASSERT(sizeof(UChar) == 2, UCharSizeMustBe16Bit); + +#if SIZEOF_WCHAR_T == 2 // wchar_t==UChar + + 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 widestr(wxstr.wc_str()); +#else + const wxChar *widestr = wxstr.wc_str(); +#endif + const size_t widelen = wxstr.length(); + + // allocate buffer for the UTF-16 string: + wxMBConvUTF16 conv; + const size_t utf16bufLen = conv.FromWChar(NULL, 0, widestr, widelen); + wxCharBuffer utf16buf(utf16bufLen); + + // and convert wxString to UTF-16 (=UChar*): + const UChar* str = (const UChar*)utf16buf.data(); + size_t len = conv.FromWChar(utf16buf.data(), utf16bufLen, widestr, widelen) / 2; + +#endif // SIZEOF_WCHAR_T == 4 + + // conversion to UTF-16 or getting internal buffer isn't supposed to fail: + wxASSERT_MSG(str != NULL, _T("failed string conversion?")); + + m_impl = StringImpl::create(str, len); +} + +String::operator wxString() const +{ + return wxString(utf8().data(), wxConvUTF8); +} + +} + +// vim: ts=4 sw=4 et |