[ServiceWorker] Implement Headers class.

Source/modules/serviceworkers/FetchHeaderList.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef StyleWillChangeData_h
-#define StyleWillChangeData_h
+#ifndef FetchHeaderList_h
+#define FetchHeaderList_h
 
-#include "core/CSSPropertyNames.h"
-#include "core/CSSValueKeywords.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class StyleWillChangeData : public RefCounted<StyleWillChangeData> {
+// http://fetch.spec.whatwg.org/#terminology-headers
+class FetchHeaderList : public RefCounted<FetchHeaderList> {

[yhirano, 2014/06/26 07:22:12]

FINAL?

[horo, 2014/06/26 08:30:08]

Done.

 public:
-    static PassRefPtr<StyleWillChangeData> create() { return adoptRef(new StyleWillChangeData); }
-    PassRefPtr<StyleWillChangeData> copy() const { return adoptRef(new StyleWillChangeData(*this)); }
+    typedef std::pair<String, String> Header;
+    static PassRefPtr<FetchHeaderList> create();
+    PassRefPtr<FetchHeaderList> createCopy();

[yhirano, 2014/06/26 07:22:12]

This function is never called.

[horo, 2014/06/26 08:30:08]

removed.

 
-    bool operator==(const StyleWillChangeData& o) const
-    {
-        return m_properties == o.m_properties && m_contents == o.m_contents && m_scrollPosition == o.m_scrollPosition;
-    }
+    ~FetchHeaderList();
+    void append(const String&, const String&);
+    void set(const String&, const String&);
+    // FIXME: Implement parse()
+    // FIXME: Implement extractMIMEType()
 
-    bool operator!=(const StyleWillChangeData& o) const
-    {
-        return !(*this == o);
-    }
+    size_t size() const;
+    void remove(const String&);
+    bool get(const String&, String&) const;
+    void getAll(const String&, Vector<String>&) const;
+    bool has(const String&) const;
+    void clearList();
 
-    Vector<CSSPropertyID> m_properties;
-    unsigned m_contents : 1;
-    unsigned m_scrollPosition : 1;
+    bool containsNonSimpleHeader() const;

[yhirano, 2014/06/26 07:22:12]

This function is never called.

[horo, 2014/06/26 08:30:08]

done.removed.

+
+    const Vector<OwnPtr<Header> >& list() const { return m_headerList; }
+
+    static bool isValidHeaderName(const String&);
+    static bool isValidHeaderValue(const String&);
+    static bool isSimpleHeader(const String&, const String&);
+    static bool isForbiddenHeaderName(const String&);
+    static bool isForbiddenResponseHeaderName(const String&);
 
 private:
-    StyleWillChangeData();
-    StyleWillChangeData(const StyleWillChangeData&);
+    FetchHeaderList();
+    Vector<OwnPtr<Header> > m_headerList;

[yhirano, 2014/06/26 07:22:12]

Can you tell me why you use OwnPtr here?

[horo, 2014/06/26 08:30:08]

I wanted to reduce the cost of reallocating the existing headers while appending
other header.

 };
 
 } // namespace WebCore
 
-#endif // StyleWillChangeData_h
+#endif // FetchHeaderList_h