mirror of
https://github.com/mozilla/gecko-dev.git
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129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_Headers_h
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#define mozilla_dom_Headers_h
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#include "mozilla/dom/HeadersBinding.h"
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#include "mozilla/dom/UnionTypes.h"
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#include "nsClassHashtable.h"
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#include "nsWrapperCache.h"
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class nsPIDOMWindow;
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namespace mozilla {
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class ErrorResult;
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namespace dom {
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template<typename T> class MozMap;
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class HeadersOrByteStringSequenceSequenceOrByteStringMozMap;
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class Headers MOZ_FINAL : public nsISupports
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, public nsWrapperCache
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{
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Headers)
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private:
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struct Entry
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{
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Entry(const nsACString& aName, const nsACString& aValue)
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: mName(aName)
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, mValue(aValue)
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{ }
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Entry() { }
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nsCString mName;
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nsCString mValue;
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};
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nsCOMPtr<nsISupports> mOwner;
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HeadersGuardEnum mGuard;
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nsTArray<Entry> mList;
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public:
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explicit Headers(nsISupports* aOwner, HeadersGuardEnum aGuard = HeadersGuardEnum::None)
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: mOwner(aOwner)
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, mGuard(aGuard)
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{
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}
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explicit Headers(const Headers& aOther);
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static bool PrefEnabled(JSContext* cx, JSObject* obj);
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static already_AddRefed<Headers>
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Constructor(const GlobalObject& aGlobal,
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const Optional<HeadersOrByteStringSequenceSequenceOrByteStringMozMap>& aInit,
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ErrorResult& aRv);
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static already_AddRefed<Headers>
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Constructor(const GlobalObject& aGlobal,
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const OwningHeadersOrByteStringSequenceSequenceOrByteStringMozMap& aInit,
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ErrorResult& aRv);
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void Append(const nsACString& aName, const nsACString& aValue,
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ErrorResult& aRv);
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void Delete(const nsACString& aName, ErrorResult& aRv);
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void Get(const nsACString& aName, nsCString& aValue, ErrorResult& aRv) const;
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void GetAll(const nsACString& aName, nsTArray<nsCString>& aResults,
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ErrorResult& aRv) const;
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bool Has(const nsACString& aName, ErrorResult& aRv) const;
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void Set(const nsACString& aName, const nsACString& aValue, ErrorResult& aRv);
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void Clear();
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// ChromeOnly
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HeadersGuardEnum Guard() const { return mGuard; }
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void SetGuard(HeadersGuardEnum aGuard, ErrorResult& aRv);
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virtual JSObject* WrapObject(JSContext* aCx);
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nsISupports* GetParentObject() const { return mOwner; }
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void Fill(const Headers& aInit, ErrorResult& aRv);
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private:
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// Since Headers is also an nsISupports, the above constructor can
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// accidentally be invoked as new Headers(Headers*[, implied None guard]) when
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// the intention is to use the copy constructor. Explicitly disallow it.
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Headers(Headers* aOther) MOZ_DELETE;
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virtual ~Headers();
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static bool IsSimpleHeader(const nsACString& aName,
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const nsACString* aValue = nullptr);
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static bool IsInvalidName(const nsACString& aName, ErrorResult& aRv);
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static bool IsInvalidValue(const nsACString& aValue, ErrorResult& aRv);
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bool IsImmutable(ErrorResult& aRv) const;
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bool IsForbiddenRequestHeader(const nsACString& aName) const;
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bool IsForbiddenRequestNoCorsHeader(const nsACString& aName,
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const nsACString* aValue = nullptr) const;
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bool IsForbiddenResponseHeader(const nsACString& aName) const;
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bool IsInvalidMutableHeader(const nsACString& aName,
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const nsACString* aValue,
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ErrorResult& aRv) const
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{
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return IsInvalidName(aName, aRv) ||
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(aValue && IsInvalidValue(*aValue, aRv)) ||
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IsImmutable(aRv) ||
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IsForbiddenRequestHeader(aName) ||
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IsForbiddenRequestNoCorsHeader(aName, aValue) ||
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IsForbiddenResponseHeader(aName);
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}
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void Fill(const Sequence<Sequence<nsCString>>& aInit, ErrorResult& aRv);
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void Fill(const MozMap<nsCString>& aInit, ErrorResult& aRv);
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_Headers_h
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