Implement Encoding API

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
@@ skipping 10 matching lines @@
  * 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 Composition_h
-#define Composition_h
+#ifndef TextDecoder_h
+#define TextDecoder_h
 
-#include "bindings/v8/ScriptWrappable.h"
-#include "wtf/PassRefPtr.h"
+#include "bindings/v8/Dictionary.h"
+#include "wtf/ArrayBufferView.h"
 #include "wtf/RefCounted.h"
-#include "wtf/RefPtr.h"
+#include "wtf/text/TextCodec.h"
+#include "wtf/text/TextEncoding.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class Composition : public RefCounted<Composition>, public ScriptWrappable {
+class ExceptionState;
+
+class TextDecoder : public RefCounted<TextDecoder> {
 public:
-    static PassRefPtr<Composition> create();
-    ~Composition();
+    static PassRefPtr<TextDecoder> create(const String& label, const Dictionary&, ExceptionState&);
+    virtual ~TextDecoder();
 
-    String text() const { return m_text; }
-    void setText(const String& text) { m_text = text; }
+    // Implement the IDL
+    String encoding() const;
+    String decode(ArrayBufferView*, const Dictionary&, ExceptionState&);
+    String decode(ExceptionState& es) { return decode(0, Dictionary(), es); }
 
-    int selectionStart() const { return m_selectionStart; }
-    void setSelectionStart(int selectionStart) { selectionStart = m_selectionStart; }
-
-    int selectionEnd() const { return m_selectionEnd; }
-    void setSelectionEnd(int selectionEnd) { selectionEnd = m_selectionEnd; }
-
-    const Vector<unsigned>& getSegments() const;
+    using RefCounted<TextDecoder>::ref;
+    using RefCounted<TextDecoder>::deref;
 
 private:
-    Composition();
+    TextDecoder(const String& encoding, bool fatal);
 
-    String m_text;
-    int m_selectionStart;
-    int m_selectionEnd;
-    Vector<unsigned> m_segments;
+    WTF::TextEncoding m_encoding;
+    OwnPtr<WTF::TextCodec> m_codec;
+    bool m_fatal;
 };
 
 } // namespace WebCore
 
-#endif // Composition_h
+#endif // TextDecoder_h