1 /* 2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. 3 * Copyright (C) 2006 Alexey Proskuryakov <ap (at) 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 COMPUTER, 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 COMPUTER, 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 #include "TextCodec.h" 31 #include <CoreServices/CoreServices.h> 32 33 namespace WebCore { 34 35 typedef ::TextEncoding TECTextEncodingID; 36 const TECTextEncodingID invalidEncoding = kCFStringEncodingInvalidId; 37 38 class TextCodecMac : public TextCodec { 39 public: 40 static void registerEncodingNames(EncodingNameRegistrar); 41 static void registerCodecs(TextCodecRegistrar); 42 43 explicit TextCodecMac(TECTextEncodingID); 44 virtual ~TextCodecMac(); 45 46 virtual String decode(const char*, size_t length, bool flush, bool stopOnError, bool& sawError); 47 virtual CString encode(const UChar*, size_t length, UnencodableHandling); 48 49 private: 50 OSStatus decode(const unsigned char* inputBuffer, int inputBufferLength, int& inputLength, 51 void* outputBuffer, int outputBufferLength, int& outputLength); 52 53 OSStatus createTECConverter() const; 54 void releaseTECConverter() const; 55 56 TECTextEncodingID m_encoding; 57 UChar m_backslashAsCurrencySymbol; 58 unsigned m_numBufferedBytes; 59 unsigned char m_bufferedBytes[16]; // bigger than any single multi-byte character 60 mutable TECObjectRef m_converterTEC; 61 }; 62 63 struct TECConverterWrapper { 64 TECConverterWrapper() : converter(0), encoding(invalidEncoding) { } 65 ~TECConverterWrapper() { if (converter) TECDisposeConverter(converter); } 66 67 TECObjectRef converter; 68 TECTextEncodingID encoding; 69 }; 70 71 } // namespace WebCore 72 73 #endif // TextCodecMac_h 74
