forked from mirrors/gecko-dev
2d4ca059e8
The MOZ_MUST_USE macro is defined as clang's and gcc's nonstandard __attribute__((warn_unused_result)). Now that we compile as C++17 by default (bug 1560664), we can replace MOZ_MUST_USE with C++17's standard [[nodiscard]] attribute. The [[nodiscard]] attribute must precede a function declaration's declaration specifiers (like static, extern, inline, or virtual). The __attribute__((warn_unused_result)) attribute does not have this order restriction. Differential Revision: https://phabricator.services.mozilla.com/D107355
129 lines
3.9 KiB
C++
129 lines
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 nsJSProtocolHandler_h___
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#define nsJSProtocolHandler_h___
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#include "mozilla/Attributes.h"
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#include "nsIProtocolHandler.h"
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#include "nsIURI.h"
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#include "nsISerializable.h"
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#include "nsIClassInfo.h"
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#include "nsSimpleURI.h"
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#include "nsINestedURI.h"
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#define NS_JSPROTOCOLHANDLER_CID \
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{ /* bfc310d2-38a0-11d3-8cd3-0060b0fc14a3 */ \
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0xbfc310d2, 0x38a0, 0x11d3, { \
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0x8c, 0xd3, 0x00, 0x60, 0xb0, 0xfc, 0x14, 0xa3 \
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} \
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}
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#define NS_JSURI_CID \
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{ /* 58f089ee-512a-42d2-a935-d0c874128930 */ \
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0x58f089ee, 0x512a, 0x42d2, { \
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0xa9, 0x35, 0xd0, 0xc8, 0x74, 0x12, 0x89, 0x30 \
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} \
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}
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#define NS_JSURIMUTATOR_CID \
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{ /* 574ce83e-fe9f-4095-b85c-7909abbf7c37 */ \
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0x574ce83e, 0xfe9f, 0x4095, { \
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0xb8, 0x5c, 0x79, 0x09, 0xab, 0xbf, 0x7c, 0x37 \
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} \
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}
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#define NS_JSPROTOCOLHANDLER_CONTRACTID \
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NS_NETWORK_PROTOCOL_CONTRACTID_PREFIX "javascript"
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class nsJSProtocolHandler : public nsIProtocolHandler {
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public:
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NS_DECL_ISUPPORTS
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// nsIProtocolHandler methods:
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NS_DECL_NSIPROTOCOLHANDLER
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// nsJSProtocolHandler methods:
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nsJSProtocolHandler();
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static nsresult CreateNewURI(const nsACString& aSpec, const char* aCharset,
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nsIURI* aBaseURI, nsIURI** result);
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protected:
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virtual ~nsJSProtocolHandler();
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static nsresult EnsureUTF8Spec(const nsCString& aSpec, const char* aCharset,
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nsACString& aUTF8Spec);
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};
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class nsJSURI final : public mozilla::net::nsSimpleURI {
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public:
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using mozilla::net::nsSimpleURI::Read;
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using mozilla::net::nsSimpleURI::Write;
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nsIURI* GetBaseURI() const { return mBaseURI; }
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NS_DECL_ISUPPORTS_INHERITED
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// nsIURI overrides
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virtual mozilla::net::nsSimpleURI* StartClone(
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RefHandlingEnum refHandlingMode, const nsACString& newRef) override;
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NS_IMETHOD Mutate(nsIURIMutator** _retval) override;
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NS_IMETHOD_(void) Serialize(mozilla::ipc::URIParams& aParams) override;
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// nsISerializable overrides
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NS_IMETHOD Read(nsIObjectInputStream* aStream) override;
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NS_IMETHOD Write(nsIObjectOutputStream* aStream) override;
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protected:
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nsJSURI() = default;
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explicit nsJSURI(nsIURI* aBaseURI) : mBaseURI(aBaseURI) {}
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virtual ~nsJSURI() = default;
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virtual nsresult EqualsInternal(nsIURI* other,
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RefHandlingEnum refHandlingMode,
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bool* result) override;
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bool Deserialize(const mozilla::ipc::URIParams&);
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nsresult ReadPrivate(nsIObjectInputStream* aStream);
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private:
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nsCOMPtr<nsIURI> mBaseURI;
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public:
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class Mutator final : public nsIURIMutator,
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public BaseURIMutator<nsJSURI>,
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public nsISerializable,
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public nsIJSURIMutator {
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NS_DECL_ISUPPORTS
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NS_FORWARD_SAFE_NSIURISETTERS_RET(mURI)
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NS_DEFINE_NSIMUTATOR_COMMON
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NS_IMETHOD
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Write(nsIObjectOutputStream* aOutputStream) override {
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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[[nodiscard]] NS_IMETHOD Read(nsIObjectInputStream* aStream) override {
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return InitFromInputStream(aStream);
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}
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[[nodiscard]] NS_IMETHOD SetBase(nsIURI* aBaseURI) override {
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mURI = new nsJSURI(aBaseURI);
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return NS_OK;
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}
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explicit Mutator() = default;
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private:
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virtual ~Mutator() = default;
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friend class nsJSURI;
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};
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friend BaseURIMutator<nsJSURI>;
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};
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#endif /* nsJSProtocolHandler_h___ */
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