/* * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.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. */ #ifndef StreamingTextDecoderICU_H #define StreamingTextDecoderICU_H #include "StreamingTextDecoder.h" #include <unicode/ucnv.h> #include <unicode/utypes.h> namespace WebCore { class StreamingTextDecoderICU : public StreamingTextDecoder { public: StreamingTextDecoderICU(const TextEncoding&); virtual ~StreamingTextDecoderICU(); bool textEncodingSupported(); virtual DeprecatedString toUnicode(const char* chs, int len, bool flush = false); virtual DeprecatedCString fromUnicode(const DeprecatedString&, bool allowEntities = false); private: DeprecatedString convert(const char* chs, int len, bool flush) { return convert(reinterpret_cast<const unsigned char*>(chs), len, flush); } DeprecatedString convert(const unsigned char* chs, int len, bool flush); bool convertIfASCII(const unsigned char*, int len, DeprecatedString&); DeprecatedString convertUTF16(const unsigned char*, int len); DeprecatedString convertUsingICU(const unsigned char*, int len, bool flush); void createICUConverter(); void releaseICUConverter(); static void appendOmittingBOM(DeprecatedString&, const UChar* characters, int byteCount); TextEncoding m_encoding; bool m_littleEndian; bool m_atStart; unsigned m_numBufferedBytes; unsigned char m_bufferedBytes[16]; // bigger than any single multi-byte character UConverter* m_converterICU; }; } // namespace WebCore #endif // StreamingTextDecoderICU_H