Source/modules/encoding/TextDecoder.h

/*
 * Copyright (C) 2013 Google 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:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "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 THE COPYRIGHT
 * OWNER 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 TextDecoder_h
#define TextDecoder_h

#include "bindings/v8/Dictionary.h"
#include "wtf/ArrayBufferView.h"
#include "wtf/RefCounted.h"
#include "wtf/text/TextCodec.h"
#include "wtf/text/TextEncoding.h"
#include "wtf/text/WTFString.h"

namespace WebCore {

class ExceptionState;

class TextDecoder : public RefCounted<TextDecoder> {
public:
    static PassRefPtr<TextDecoder> create(const String& label, const Dictionary&, ExceptionState&);
    virtual ~TextDecoder();

    // Implement the IDL
    String encoding() const;
    String decode(ArrayBufferView*, const Dictionary&, ExceptionState&);
    String decode(ExceptionState& es) { return decode(0, Dictionary(), es); }

    using RefCounted<TextDecoder>::ref;
    using RefCounted<TextDecoder>::deref;

private:
    TextDecoder(const String& encoding, bool fatal);

    WTF::TextEncoding m_encoding;
    OwnPtr<WTF::TextCodec> m_codec;
    bool m_fatal;
    bool m_bomSeen;
};

} // namespace WebCore

#endif // TextDecoder_h