1/* 2 * Copyright (C) 2013 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef TextDecoder_h 32#define TextDecoder_h 33 34#include "bindings/v8/Dictionary.h" 35#include "platform/heap/Handle.h" 36#include "wtf/ArrayBufferView.h" 37#include "wtf/RefCounted.h" 38#include "wtf/text/TextCodec.h" 39#include "wtf/text/TextEncoding.h" 40#include "wtf/text/WTFString.h" 41 42namespace WebCore { 43 44class ExceptionState; 45 46class TextDecoder FINAL : public GarbageCollectedFinalized<TextDecoder> { 47public: 48 static TextDecoder* create(const String& label, const Dictionary&, ExceptionState&); 49 ~TextDecoder(); 50 51 // Implement the IDL 52 String encoding() const; 53 bool fatal() const { return m_fatal; } 54 bool ignoreBOM() const { return m_ignoreBOM; } 55 String decode(ArrayBufferView*, const Dictionary&, ExceptionState&); 56 String decode(ExceptionState& exceptionState) { return decode(0, Dictionary(), exceptionState); } 57 58 void trace(Visitor*) { } 59 60private: 61 TextDecoder(const WTF::TextEncoding&, bool fatal, bool ignoreBOM); 62 63 WTF::TextEncoding m_encoding; 64 OwnPtr<WTF::TextCodec> m_codec; 65 bool m_fatal; 66 bool m_ignoreBOM; 67 bool m_bomSeen; 68}; 69 70} // namespace WebCore 71 72#endif // TextDecoder_h 73