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Diffstat (limited to 'webkit/pending/TextCodecUTF16.cpp')
-rw-r--r-- | webkit/pending/TextCodecUTF16.cpp | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/webkit/pending/TextCodecUTF16.cpp b/webkit/pending/TextCodecUTF16.cpp deleted file mode 100644 index cb6fdbb..0000000 --- a/webkit/pending/TextCodecUTF16.cpp +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Copyright (C) 2004, 2006, 2008 Apple Inc. All rights reserved. - * - * 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 "TextCodecUTF16.h" - -#include "CString.h" -#include "PlatformString.h" -#include "StringBuffer.h" - -using std::auto_ptr; - -namespace WebCore { - -void TextCodecUTF16::registerEncodingNames(EncodingNameRegistrar registrar) -{ - registrar("UTF-16LE", "UTF-16LE"); - registrar("UTF-16BE", "UTF-16BE"); - - registrar("ISO-10646-UCS-2", "UTF-16LE"); - registrar("UCS-2", "UTF-16LE"); - registrar("UTF-16", "UTF-16LE"); - registrar("Unicode", "UTF-16LE"); - registrar("csUnicode", "UTF-16LE"); - registrar("unicodeFEFF", "UTF-16LE"); - - registrar("unicodeFFFE", "UTF-16BE"); -} - -static auto_ptr<TextCodec> newStreamingTextDecoderUTF16LE(const TextEncoding&, const void*) -{ - return auto_ptr<TextCodec>(new TextCodecUTF16(true)); -} - -static auto_ptr<TextCodec> newStreamingTextDecoderUTF16BE(const TextEncoding&, const void*) -{ - return auto_ptr<TextCodec>(new TextCodecUTF16(false)); -} - -void TextCodecUTF16::registerCodecs(TextCodecRegistrar registrar) -{ - registrar("UTF-16LE", newStreamingTextDecoderUTF16LE, 0); - registrar("UTF-16BE", newStreamingTextDecoderUTF16BE, 0); -} - -String TextCodecUTF16::decode(const char* bytes, size_t length, bool) -{ - if (!length) - return String(); - - const unsigned char* p = reinterpret_cast<const unsigned char*>(bytes); - size_t numBytes = length + m_haveBufferedByte; - size_t numChars = numBytes / 2; - - StringBuffer buffer(numChars); - UChar* q = buffer.characters(); - - if (m_haveBufferedByte) { - UChar c; - if (m_littleEndian) - c = m_bufferedByte | (p[0] << 8); - else - c = (m_bufferedByte << 8) | p[0]; - *q++ = c; - m_haveBufferedByte = false; - p += 1; - numChars -= 1; - } - - if (m_littleEndian) - for (size_t i = 0; i < numChars; ++i) { - UChar c = p[0] | (p[1] << 8); - p += 2; - *q++ = c; - } - else - for (size_t i = 0; i < numChars; ++i) { - UChar c = (p[0] << 8) | p[1]; - p += 2; - *q++ = c; - } - - if (numBytes & 1) { - ASSERT(!m_haveBufferedByte); - m_haveBufferedByte = true; - m_bufferedByte = p[0]; - } - - buffer.shrink(q - buffer.characters()); - - return String::adopt(buffer); -} - -CString TextCodecUTF16::encode(const UChar* characters, size_t length, bool) -{ - char* bytes; - CString string = CString::newUninitialized(length * 2, bytes); - - // FIXME: CString is not a reasonable data structure for encoded UTF-16, which will have - // null characters inside it. Perhaps the result of encode should not be a CString? - if (m_littleEndian) - for (size_t i = 0; i < length; ++i) { - UChar c = characters[i]; - bytes[i * 2] = c; - bytes[i * 2 + 1] = c >> 8; - } - else - for (size_t i = 0; i < length; ++i) { - UChar c = characters[i]; - bytes[i * 2] = c >> 8; - bytes[i * 2 + 1] = c; - } - - return string; -} - -} // namespace WebCore |