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/core/v8/ScriptWrappable.h"
35#include "modules/encoding/TextDecodeOptions.h"
36#include "modules/encoding/TextDecoderOptions.h"
37#include "platform/heap/Handle.h"
38#include "wtf/ArrayBufferView.h"
39#include "wtf/text/TextCodec.h"
40#include "wtf/text/TextEncoding.h"
41#include "wtf/text/WTFString.h"
42
43namespace blink {
44
45class ExceptionState;
46
47class TextDecoder FINAL : public GarbageCollectedFinalized<TextDecoder>, public ScriptWrappable {
48    DEFINE_WRAPPERTYPEINFO();
49public:
50    static TextDecoder* create(const String& label, const TextDecoderOptions&, ExceptionState&);
51    ~TextDecoder();
52
53    // Implement the IDL
54    String encoding() const;
55    bool fatal() const { return m_fatal; }
56    bool ignoreBOM() const { return m_ignoreBOM; }
57    String decode(ArrayBufferView*, const TextDecodeOptions&, ExceptionState&);
58    String decode(ExceptionState&);
59
60    void trace(Visitor*) { }
61
62private:
63    TextDecoder(const WTF::TextEncoding&, bool fatal, bool ignoreBOM);
64
65    WTF::TextEncoding m_encoding;
66    OwnPtr<WTF::TextCodec> m_codec;
67    bool m_fatal;
68    bool m_ignoreBOM;
69    bool m_bomSeen;
70};
71
72} // namespace blink
73
74#endif // TextDecoder_h
75