gecko-dev/ipc/glue/URIUtils.cpp

155 строки
3.4 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 "nsIIPCSerializableURI.h"
#include "mozilla/ArrayUtils.h"
#include "mozilla/Assertions.h"
#include "nsComponentManagerUtils.h"
#include "nsDebug.h"
#include "nsID.h"
#include "nsJARURI.h"
#include "nsIIconURI.h"
#include "nsHostObjectURI.h"
#include "NullPrincipalURI.h"
#include "nsJSProtocolHandler.h"
#include "nsNetCID.h"
#include "nsSimpleNestedURI.h"
#include "nsThreadUtils.h"
using namespace mozilla::ipc;
using mozilla::ArrayLength;
namespace {
NS_DEFINE_CID(kSimpleURICID, NS_SIMPLEURI_CID);
NS_DEFINE_CID(kStandardURLCID, NS_STANDARDURL_CID);
NS_DEFINE_CID(kJARURICID, NS_JARURI_CID);
NS_DEFINE_CID(kIconURICID, NS_MOZICONURI_CID);
} // namespace
namespace mozilla {
namespace ipc {
void
SerializeURI(nsIURI* aURI,
URIParams& aParams)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aURI);
nsCOMPtr<nsIIPCSerializableURI> serializable = do_QueryInterface(aURI);
if (!serializable) {
MOZ_CRASH("All IPDL URIs must be serializable!");
}
serializable->Serialize(aParams);
if (aParams.type() == URIParams::T__None) {
MOZ_CRASH("Serialize failed!");
}
}
void
SerializeURI(nsIURI* aURI,
OptionalURIParams& aParams)
{
MOZ_ASSERT(NS_IsMainThread());
if (aURI) {
URIParams params;
SerializeURI(aURI, params);
aParams = params;
}
else {
aParams = mozilla::void_t();
}
}
already_AddRefed<nsIURI>
DeserializeURI(const URIParams& aParams)
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIIPCSerializableURI> serializable;
switch (aParams.type()) {
case URIParams::TSimpleURIParams:
serializable = do_CreateInstance(kSimpleURICID);
break;
case URIParams::TStandardURLParams:
serializable = do_CreateInstance(kStandardURLCID);
break;
case URIParams::TJARURIParams:
serializable = do_CreateInstance(kJARURICID);
break;
case URIParams::TJSURIParams:
serializable = new nsJSURI();
break;
case URIParams::TIconURIParams:
serializable = do_CreateInstance(kIconURICID);
break;
case URIParams::TNullPrincipalURIParams:
serializable = new NullPrincipalURI();
break;
case URIParams::TSimpleNestedURIParams:
serializable = new nsSimpleNestedURI();
break;
case URIParams::THostObjectURIParams:
serializable = new nsHostObjectURI();
break;
default:
MOZ_CRASH("Unknown params!");
}
MOZ_ASSERT(serializable);
if (!serializable->Deserialize(aParams)) {
MOZ_ASSERT(false, "Deserialize failed!");
return nullptr;
}
nsCOMPtr<nsIURI> uri = do_QueryInterface(serializable);
MOZ_ASSERT(uri);
return uri.forget();
}
already_AddRefed<nsIURI>
DeserializeURI(const OptionalURIParams& aParams)
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIURI> uri;
switch (aParams.type()) {
case OptionalURIParams::Tvoid_t:
break;
case OptionalURIParams::TURIParams:
uri = DeserializeURI(aParams.get_URIParams());
break;
default:
MOZ_CRASH("Unknown params!");
}
return uri.forget();
}
} // namespace ipc
} // namespace mozilla