1/* 2 * Copyright (C) 2004, 2006 Apple Inc. All rights reserved. 3 * Copyright (C) 2006 Alexey Proskuryakov <ap@nypop.com> 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#ifndef TextCodecMac_h 28#define TextCodecMac_h 29 30#if !PLATFORM(IOS) 31 32#include "TextCodec.h" 33#include <CoreServices/CoreServices.h> 34 35namespace WebCore { 36 37 typedef ::TextEncoding TECTextEncodingID; 38 const TECTextEncodingID invalidEncoding = kCFStringEncodingInvalidId; 39 40 class TextCodecMac : public TextCodec { 41 public: 42 static void registerEncodingNames(EncodingNameRegistrar); 43 static void registerCodecs(TextCodecRegistrar); 44 45 explicit TextCodecMac(TECTextEncodingID); 46 virtual ~TextCodecMac(); 47 48 virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError); 49 virtual CString encode(const UChar*, size_t length, UnencodableHandling); 50 51 private: 52 OSStatus decode(const unsigned char* inputBuffer, int inputBufferLength, int& inputLength, 53 void* outputBuffer, int outputBufferLength, int& outputLength); 54 55 OSStatus createTECConverter() const; 56 void releaseTECConverter() const; 57 58 TECTextEncodingID m_encoding; 59 UChar m_backslashAsCurrencySymbol; 60 unsigned m_numBufferedBytes; 61 unsigned char m_bufferedBytes[16]; // bigger than any single multi-byte character 62 mutable TECObjectRef m_converterTEC; 63 }; 64 65 struct TECConverterWrapper { 66 TECConverterWrapper() : converter(0), encoding(invalidEncoding) { } 67 ~TECConverterWrapper() { if (converter) TECDisposeConverter(converter); } 68 69 TECObjectRef converter; 70 TECTextEncodingID encoding; 71 }; 72 73} // namespace WebCore 74 75#endif // !PLATFORM(IOS) 76 77#endif // TextCodecMac_h 78