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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_FETCH_HEADERS_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_FETCH_HEADERS_H_
#include "third_party/blink/renderer/bindings/core/v8/iterable.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_sync_iterator_headers.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_typedefs.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/fetch/fetch_header_list.h"
#include "third_party/blink/renderer/platform/bindings/script_wrappable.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_hash_set.h"
#include "third_party/blink/renderer/platform/wtf/forward.h"
namespace blink {
class ExceptionState;
class ScriptState;
// http://fetch.spec.whatwg.org/#headers-class
class CORE_EXPORT Headers final : public ScriptWrappable,
public PairSyncIterable<Headers> {
DEFINE_WRAPPERTYPEINFO();
public:
enum Guard {
kImmutableGuard,
kRequestGuard,
kRequestNoCorsGuard,
kResponseGuard,
kNoneGuard
};
static Headers* Create(ScriptState* script_state,
ExceptionState& exception_state);
static Headers* Create(ScriptState* script_state,
const V8HeadersInit* init,
ExceptionState& exception_state);
// Shares the FetchHeaderList. Called when creating a Request or Response.
static Headers* Create(FetchHeaderList*);
Headers();
// Shares the FetchHeaderList. Called when creating a Request or Response.
explicit Headers(FetchHeaderList*);
Headers* Clone() const;
// Headers.idl implementation.
void append(ScriptState* script_state,
const String& name,
const String& value,
ExceptionState&);
void remove(ScriptState* script_state, const String& key, ExceptionState&);
String get(const String& key, ExceptionState&);
Vector<String> getSetCookie();
bool has(const String& key, ExceptionState&);
void set(ScriptState* script_state,
const String& key,
const String& value,
ExceptionState&);
void SetGuard(Guard guard) { guard_ = guard; }
Guard GetGuard() const { return guard_; }
// These methods should only be called when size() would return 0.
void FillWith(ScriptState* script_state, const Headers*, ExceptionState&);
void FillWith(ScriptState* script_state,
const V8HeadersInit* init,
ExceptionState& exception_state);
// https://fetch.spec.whatwg.org/#concept-headers-remove-privileged-no-cors-request-headers
void RemovePrivilegedNoCorsRequestHeaders();
FetchHeaderList* HeaderList() const { return header_list_.Get(); }
void Trace(Visitor*) const override;
private:
class HeadersIterationSource final
: public PairSyncIterable<Headers>::IterationSource {
public:
explicit HeadersIterationSource(Headers* headers);
~HeadersIterationSource() override;
bool FetchNextItem(ScriptState* script_state,
String& key,
String& value,
ExceptionState& exception) override;
void Trace(Visitor*) const override;
void ResetHeaderList();
private:
// https://webidl.spec.whatwg.org/#dfn-value-pairs-to-iterate-over
Vector<std::pair<String, String>> headers_list_;
// https://webidl.spec.whatwg.org/#default-iterator-object-index
wtf_size_t current_ = 0;
Member<Headers> headers_;
};
// These methods should only be called when size() would return 0.
void FillWith(ScriptState* script_state,
const Vector<Vector<String>>&,
ExceptionState&);
void FillWith(ScriptState* script_state,
const Vector<std::pair<String, String>>&,
ExceptionState&);
Member<FetchHeaderList> header_list_;
Guard guard_;
IterationSource* CreateIterationSource(ScriptState*,
ExceptionState&) override;
HeapHashSet<WeakMember<HeadersIterationSource>> iterators_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_FETCH_HEADERS_H_
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