gecko-dev/ipc/glue/URIUtils.cpp

148 строки
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "URIUtils.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Assertions.h"
#include "mozilla/dom/BlobURL.h"
#include "mozilla/net/DefaultURI.h"
#include "mozilla/net/SubstitutingURL.h"
#include "mozilla/NullPrincipalURI.h"
#include "nsAboutProtocolHandler.h"
#include "nsComponentManagerUtils.h"
#include "nsDebug.h"
#include "nsID.h"
#include "nsJARURI.h"
#include "nsIIconURI.h"
#include "nsJSProtocolHandler.h"
#include "nsNetCID.h"
#include "nsSimpleNestedURI.h"
#include "nsThreadUtils.h"
#include "nsIURIMutator.h"
using namespace mozilla::ipc;
using mozilla::ArrayLength;
namespace {
NS_DEFINE_CID(kSimpleURIMutatorCID, NS_SIMPLEURIMUTATOR_CID);
NS_DEFINE_CID(kStandardURLMutatorCID, NS_STANDARDURLMUTATOR_CID);
NS_DEFINE_CID(kJARURIMutatorCID, NS_JARURIMUTATOR_CID);
NS_DEFINE_CID(kIconURIMutatorCID, NS_MOZICONURIMUTATOR_CID);
} // namespace
namespace mozilla {
namespace ipc {
void SerializeURI(nsIURI* aURI, URIParams& aParams) {
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aURI);
aURI->Serialize(aParams);
if (aParams.type() == URIParams::T__None) {
MOZ_CRASH("Serialize failed!");
}
}
void SerializeURI(nsIURI* aURI, Maybe<URIParams>& aParams) {
MOZ_ASSERT(NS_IsMainThread());
if (aURI) {
URIParams params;
SerializeURI(aURI, params);
aParams = Some(std::move(params));
} else {
aParams = Nothing();
}
}
already_AddRefed<nsIURI> DeserializeURI(const URIParams& aParams) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIURIMutator> mutator;
switch (aParams.type()) {
case URIParams::TSimpleURIParams:
mutator = do_CreateInstance(kSimpleURIMutatorCID);
break;
case URIParams::TStandardURLParams:
if (aParams.get_StandardURLParams().isSubstituting()) {
mutator = new net::SubstitutingURL::Mutator();
} else {
mutator = do_CreateInstance(kStandardURLMutatorCID);
}
break;
case URIParams::TJARURIParams:
mutator = do_CreateInstance(kJARURIMutatorCID);
break;
case URIParams::TJSURIParams:
mutator = new nsJSURI::Mutator();
break;
case URIParams::TIconURIParams:
mutator = do_CreateInstance(kIconURIMutatorCID);
break;
case URIParams::TNullPrincipalURIParams:
mutator = new NullPrincipalURI::Mutator();
break;
case URIParams::TSimpleNestedURIParams:
mutator = new net::nsSimpleNestedURI::Mutator();
break;
case URIParams::THostObjectURIParams:
mutator = new mozilla::dom::BlobURL::Mutator();
break;
case URIParams::TDefaultURIParams:
mutator = new mozilla::net::DefaultURI::Mutator();
break;
case URIParams::TNestedAboutURIParams:
mutator = new net::nsNestedAboutURI::Mutator();
break;
default:
MOZ_CRASH("Unknown params!");
}
MOZ_ASSERT(mutator);
nsresult rv = mutator->Deserialize(aParams);
if (NS_FAILED(rv)) {
MOZ_ASSERT(false, "Deserialize failed!");
return nullptr;
}
nsCOMPtr<nsIURI> uri;
DebugOnly<nsresult> rv2 = mutator->Finalize(getter_AddRefs(uri));
MOZ_ASSERT(uri);
MOZ_ASSERT(NS_SUCCEEDED(rv2));
return uri.forget();
}
already_AddRefed<nsIURI> DeserializeURI(const Maybe<URIParams>& aParams) {
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIURI> uri;
if (aParams.isSome()) {
uri = DeserializeURI(aParams.ref());
}
return uri.forget();
}
} // namespace ipc
} // namespace mozilla