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      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 "wtf/ArrayBufferView.h"
     36 #include "wtf/RefCounted.h"
     37 #include "wtf/text/TextCodec.h"
     38 #include "wtf/text/TextEncoding.h"
     39 #include "wtf/text/WTFString.h"
     40 
     41 namespace WebCore {
     42 
     43 class ExceptionState;
     44 
     45 class TextDecoder : public RefCounted<TextDecoder> {
     46 public:
     47     static PassRefPtr<TextDecoder> create(const String& label, const Dictionary&, ExceptionState&);
     48     virtual ~TextDecoder();
     49 
     50     // Implement the IDL
     51     String encoding() const;
     52     String decode(ArrayBufferView*, const Dictionary&, ExceptionState&);
     53     String decode(ExceptionState& es) { return decode(0, Dictionary(), es); }
     54 
     55     using RefCounted<TextDecoder>::ref;
     56     using RefCounted<TextDecoder>::deref;
     57 
     58 private:
     59     TextDecoder(const String& encoding, bool fatal);
     60 
     61     WTF::TextEncoding m_encoding;
     62     OwnPtr<WTF::TextCodec> m_codec;
     63     bool m_fatal;
     64 };
     65 
     66 } // namespace WebCore
     67 
     68 #endif // TextDecoder_h
     69