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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /ipc/glue/IPCMessageUtilsSpecializations.h
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ipc/glue/IPCMessageUtilsSpecializations.h')
-rw-r--r--ipc/glue/IPCMessageUtilsSpecializations.h802
1 files changed, 802 insertions, 0 deletions
diff --git a/ipc/glue/IPCMessageUtilsSpecializations.h b/ipc/glue/IPCMessageUtilsSpecializations.h
new file mode 100644
index 0000000000..4f357405d9
--- /dev/null
+++ b/ipc/glue/IPCMessageUtilsSpecializations.h
@@ -0,0 +1,802 @@
+/* -*- 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/. */
+
+#ifndef __IPC_GLUE_IPCMESSAGEUTILSSPECIALIZATIONS_H__
+#define __IPC_GLUE_IPCMESSAGEUTILSSPECIALIZATIONS_H__
+
+#include <cstdint>
+#include <cstdlib>
+#include <limits>
+#include <string>
+#include <type_traits>
+#include <unordered_map>
+#include <utility>
+#include <vector>
+#include "chrome/common/ipc_message.h"
+#include "chrome/common/ipc_message_utils.h"
+#include "ipc/EnumSerializer.h"
+#include "ipc/IPCMessageUtils.h"
+#include "mozilla/Assertions.h"
+#include "mozilla/BitSet.h"
+#include "mozilla/EnumSet.h"
+#include "mozilla/EnumTypeTraits.h"
+#include "mozilla/IntegerRange.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/TimeStamp.h"
+#ifdef XP_WIN
+# include "mozilla/TimeStamp_windows.h"
+#endif
+
+#include "mozilla/UniquePtr.h"
+#include "mozilla/Unused.h"
+#include "mozilla/Vector.h"
+#include "mozilla/dom/ipc/StructuredCloneData.h"
+#include "nsCSSPropertyID.h"
+#include "nsDebug.h"
+#include "nsIContentPolicy.h"
+#include "nsID.h"
+#include "nsILoadInfo.h"
+#include "nsIThread.h"
+#include "nsLiteralString.h"
+#include "nsNetUtil.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsTHashSet.h"
+
+// XXX Includes that are only required by implementations which could be moved
+// to the cpp file.
+#include "base/string_util.h" // for StringPrintf
+#include "mozilla/ArrayUtils.h" // for ArrayLength
+#include "mozilla/CheckedInt.h"
+
+#ifdef _MSC_VER
+# pragma warning(disable : 4800)
+#endif
+
+namespace mozilla {
+template <typename... Ts>
+class Variant;
+
+namespace detail {
+template <typename... Ts>
+struct VariantTag;
+}
+} // namespace mozilla
+
+namespace mozilla::dom {
+template <typename T>
+class Optional;
+}
+
+class nsAtom;
+
+namespace IPC {
+
+template <class T>
+struct ParamTraits<nsTSubstring<T>> {
+ typedef nsTSubstring<T> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ bool isVoid = aParam.IsVoid();
+ aWriter->WriteBool(isVoid);
+
+ if (isVoid) {
+ // represents a nullptr pointer
+ return;
+ }
+
+ WriteSequenceParam<const T&>(aWriter, aParam.BeginReading(),
+ aParam.Length());
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ bool isVoid;
+ if (!aReader->ReadBool(&isVoid)) {
+ return false;
+ }
+
+ if (isVoid) {
+ aResult->SetIsVoid(true);
+ return true;
+ }
+
+ return ReadSequenceParam<T>(aReader, [&](uint32_t aLength) -> T* {
+ T* data = nullptr;
+ aResult->GetMutableData(&data, aLength);
+ return data;
+ });
+ }
+};
+
+template <class T>
+struct ParamTraits<nsTString<T>> : ParamTraits<nsTSubstring<T>> {};
+
+template <class T>
+struct ParamTraits<nsTLiteralString<T>> : ParamTraits<nsTSubstring<T>> {};
+
+template <class T, size_t N>
+struct ParamTraits<nsTAutoStringN<T, N>> : ParamTraits<nsTSubstring<T>> {};
+
+template <class T>
+struct ParamTraits<nsTDependentString<T>> : ParamTraits<nsTSubstring<T>> {};
+
+// XXX While this has no special dependencies, it's currently only used in
+// GfxMessageUtils and could be moved there, or generalized to potentially work
+// with any nsTHashSet.
+template <>
+struct ParamTraits<nsTHashSet<uint64_t>> {
+ typedef nsTHashSet<uint64_t> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ uint32_t count = aParam.Count();
+ WriteParam(aWriter, count);
+ for (const auto& key : aParam) {
+ WriteParam(aWriter, key);
+ }
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ uint32_t count;
+ if (!ReadParam(aReader, &count)) {
+ return false;
+ }
+ paramType table(count);
+ for (uint32_t i = 0; i < count; ++i) {
+ uint64_t key;
+ if (!ReadParam(aReader, &key)) {
+ return false;
+ }
+ table.Insert(key);
+ }
+ *aResult = std::move(table);
+ return true;
+ }
+};
+
+template <typename E>
+struct ParamTraits<nsTArray<E>> {
+ typedef nsTArray<E> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteSequenceParam<const E&>(aWriter, aParam.Elements(), aParam.Length());
+ }
+
+ static void Write(MessageWriter* aWriter, paramType&& aParam) {
+ WriteSequenceParam<E&&>(aWriter, aParam.Elements(), aParam.Length());
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return ReadSequenceParam<E>(aReader, [&](uint32_t aLength) {
+ if constexpr (std::is_trivially_default_constructible_v<E>) {
+ return aResult->AppendElements(aLength);
+ } else {
+ aResult->SetCapacity(aLength);
+ return mozilla::Some(MakeBackInserter(*aResult));
+ }
+ });
+ }
+};
+
+template <typename E>
+struct ParamTraits<CopyableTArray<E>> : ParamTraits<nsTArray<E>> {};
+
+template <typename E>
+struct ParamTraits<FallibleTArray<E>> {
+ typedef FallibleTArray<E> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteSequenceParam<const E&>(aWriter, aParam.Elements(), aParam.Length());
+ }
+
+ static void Write(MessageWriter* aWriter, paramType&& aParam) {
+ WriteSequenceParam<E&&>(aWriter, aParam.Elements(), aParam.Length());
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return ReadSequenceParam<E>(aReader, [&](uint32_t aLength) {
+ if constexpr (std::is_trivially_default_constructible_v<E>) {
+ return aResult->AppendElements(aLength, mozilla::fallible);
+ } else {
+ if (!aResult->SetCapacity(aLength, mozilla::fallible)) {
+ return mozilla::Maybe<BackInserter>{};
+ }
+ return mozilla::Some(BackInserter{.mArray = aResult});
+ }
+ });
+ }
+
+ private:
+ struct BackInserter {
+ using iterator_category = std::output_iterator_tag;
+ using value_type = void;
+ using difference_type = void;
+ using pointer = void;
+ using reference = void;
+
+ struct Proxy {
+ paramType& mArray;
+
+ template <typename U>
+ void operator=(U&& aValue) {
+ // This won't fail because we've reserved capacity earlier.
+ MOZ_ALWAYS_TRUE(mArray.AppendElement(aValue, mozilla::fallible));
+ }
+ };
+ Proxy operator*() { return Proxy{.mArray = *mArray}; }
+
+ BackInserter& operator++() { return *this; }
+ BackInserter& operator++(int) { return *this; }
+
+ paramType* mArray = nullptr;
+ };
+};
+
+template <typename E, size_t N>
+struct ParamTraits<AutoTArray<E, N>> : ParamTraits<nsTArray<E>> {
+ typedef AutoTArray<E, N> paramType;
+};
+
+template <typename E, size_t N>
+struct ParamTraits<CopyableAutoTArray<E, N>> : ParamTraits<AutoTArray<E, N>> {};
+
+template <typename T>
+struct ParamTraits<mozilla::dom::Sequence<T>> : ParamTraits<FallibleTArray<T>> {
+};
+
+template <typename E, size_t N, typename AP>
+struct ParamTraits<mozilla::Vector<E, N, AP>> {
+ typedef mozilla::Vector<E, N, AP> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteSequenceParam<const E&>(aWriter, aParam.Elements(), aParam.Length());
+ }
+
+ static void Write(MessageWriter* aWriter, paramType&& aParam) {
+ WriteSequenceParam<E&&>(aWriter, aParam.Elements(), aParam.Length());
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return ReadSequenceParam<E>(aReader, [&](uint32_t aLength) -> E* {
+ if (!aResult->resize(aLength)) {
+ // So that OOM failure shows up as OOM crash instead of IPC FatalError.
+ NS_ABORT_OOM(aLength * sizeof(E));
+ }
+ return aResult->begin();
+ });
+ }
+};
+
+template <typename E>
+struct ParamTraits<std::vector<E>> {
+ typedef std::vector<E> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteSequenceParam<const E&>(aWriter, aParam.data(), aParam.size());
+ }
+ static void Write(MessageWriter* aWriter, paramType&& aParam) {
+ WriteSequenceParam<E&&>(aWriter, aParam.data(), aParam.size());
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return ReadSequenceParam<E>(aReader, [&](uint32_t aLength) {
+ if constexpr (std::is_trivially_default_constructible_v<E>) {
+ aResult->resize(aLength);
+ return aResult->data();
+ } else {
+ aResult->reserve(aLength);
+ return mozilla::Some(std::back_inserter(*aResult));
+ }
+ });
+ }
+};
+
+template <typename K, typename V>
+struct ParamTraits<std::unordered_map<K, V>> final {
+ using T = std::unordered_map<K, V>;
+
+ static void Write(MessageWriter* const writer, const T& in) {
+ WriteParam(writer, in.size());
+ for (const auto& pair : in) {
+ WriteParam(writer, pair.first);
+ WriteParam(writer, pair.second);
+ }
+ }
+
+ static bool Read(MessageReader* const reader, T* const out) {
+ size_t size = 0;
+ if (!ReadParam(reader, &size)) return false;
+ T map;
+ map.reserve(size);
+ for (const auto i : mozilla::IntegerRange(size)) {
+ std::pair<K, V> pair;
+ mozilla::Unused << i;
+ if (!ReadParam(reader, &(pair.first)) ||
+ !ReadParam(reader, &(pair.second))) {
+ return false;
+ }
+ map.insert(std::move(pair));
+ }
+ *out = std::move(map);
+ return true;
+ }
+};
+
+template <>
+struct ParamTraits<float> {
+ typedef float paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ aWriter->WriteBytes(&aParam, sizeof(paramType));
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return aReader->ReadBytesInto(aResult, sizeof(*aResult));
+ }
+};
+
+template <>
+struct ParamTraits<nsCSSPropertyID>
+ : public ContiguousEnumSerializer<nsCSSPropertyID, eCSSProperty_UNKNOWN,
+ eCSSProperty_COUNT> {};
+
+template <>
+struct ParamTraits<nsID> {
+ typedef nsID paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteParam(aWriter, aParam.m0);
+ WriteParam(aWriter, aParam.m1);
+ WriteParam(aWriter, aParam.m2);
+ for (unsigned int i = 0; i < mozilla::ArrayLength(aParam.m3); i++) {
+ WriteParam(aWriter, aParam.m3[i]);
+ }
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ if (!ReadParam(aReader, &(aResult->m0)) ||
+ !ReadParam(aReader, &(aResult->m1)) ||
+ !ReadParam(aReader, &(aResult->m2)))
+ return false;
+
+ for (unsigned int i = 0; i < mozilla::ArrayLength(aResult->m3); i++)
+ if (!ReadParam(aReader, &(aResult->m3[i]))) return false;
+
+ return true;
+ }
+};
+
+template <>
+struct ParamTraits<nsContentPolicyType>
+ : public ContiguousEnumSerializer<nsContentPolicyType,
+ nsIContentPolicy::TYPE_INVALID,
+ nsIContentPolicy::TYPE_END> {};
+
+template <>
+struct ParamTraits<mozilla::TimeDuration> {
+ typedef mozilla::TimeDuration paramType;
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteParam(aWriter, aParam.mValue);
+ }
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return ReadParam(aReader, &aResult->mValue);
+ };
+};
+
+template <>
+struct ParamTraits<mozilla::TimeStamp> {
+ typedef mozilla::TimeStamp paramType;
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteParam(aWriter, aParam.mValue);
+ }
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return ReadParam(aReader, &aResult->mValue);
+ };
+};
+
+#ifdef XP_WIN
+
+template <>
+struct ParamTraits<mozilla::TimeStampValue> {
+ typedef mozilla::TimeStampValue paramType;
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteParam(aWriter, aParam.mGTC);
+ WriteParam(aWriter, aParam.mQPC);
+ WriteParam(aWriter, aParam.mIsNull);
+ WriteParam(aWriter, aParam.mHasQPC);
+ }
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return (ReadParam(aReader, &aResult->mGTC) &&
+ ReadParam(aReader, &aResult->mQPC) &&
+ ReadParam(aReader, &aResult->mIsNull) &&
+ ReadParam(aReader, &aResult->mHasQPC));
+ }
+};
+
+#endif
+
+template <>
+struct ParamTraits<mozilla::dom::ipc::StructuredCloneData> {
+ typedef mozilla::dom::ipc::StructuredCloneData paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ aParam.WriteIPCParams(aWriter);
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ return aResult->ReadIPCParams(aReader);
+ }
+};
+
+template <class T>
+struct ParamTraits<mozilla::Maybe<T>> {
+ typedef mozilla::Maybe<T> paramType;
+
+ static void Write(MessageWriter* writer, const paramType& param) {
+ if (param.isSome()) {
+ WriteParam(writer, true);
+ WriteParam(writer, param.ref());
+ } else {
+ WriteParam(writer, false);
+ }
+ }
+
+ static void Write(MessageWriter* writer, paramType&& param) {
+ if (param.isSome()) {
+ WriteParam(writer, true);
+ WriteParam(writer, std::move(param.ref()));
+ } else {
+ WriteParam(writer, false);
+ }
+ }
+
+ static bool Read(MessageReader* reader, paramType* result) {
+ bool isSome;
+ if (!ReadParam(reader, &isSome)) {
+ return false;
+ }
+ if (isSome) {
+ mozilla::Maybe<T> tmp = ReadParam<T>(reader).TakeMaybe();
+ if (!tmp) {
+ return false;
+ }
+ *result = std::move(tmp);
+ } else {
+ *result = mozilla::Nothing();
+ }
+ return true;
+ }
+};
+
+template <typename T, typename U>
+struct ParamTraits<mozilla::EnumSet<T, U>> {
+ typedef mozilla::EnumSet<T, U> paramType;
+ typedef U serializedType;
+
+ static void Write(MessageWriter* writer, const paramType& param) {
+ MOZ_RELEASE_ASSERT(IsLegalValue(param.serialize()));
+ WriteParam(writer, param.serialize());
+ }
+
+ static bool Read(MessageReader* reader, paramType* result) {
+ serializedType tmp;
+
+ if (ReadParam(reader, &tmp)) {
+ if (IsLegalValue(tmp)) {
+ result->deserialize(tmp);
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ static constexpr serializedType AllEnumBits() {
+ return ~serializedType(0) >> (std::numeric_limits<serializedType>::digits -
+ (mozilla::MaxEnumValue<T>::value + 1));
+ }
+
+ static constexpr bool IsLegalValue(const serializedType value) {
+ static_assert(mozilla::MaxEnumValue<T>::value <
+ std::numeric_limits<serializedType>::digits,
+ "Enum max value is not in the range!");
+ static_assert(
+ std::is_unsigned<decltype(mozilla::MaxEnumValue<T>::value)>::value,
+ "Type of MaxEnumValue<T>::value specialization should be unsigned!");
+
+ return (value & AllEnumBits()) == value;
+ }
+};
+
+template <class... Ts>
+struct ParamTraits<mozilla::Variant<Ts...>> {
+ typedef mozilla::Variant<Ts...> paramType;
+ using Tag = typename mozilla::detail::VariantTag<Ts...>::Type;
+
+ static void Write(MessageWriter* writer, const paramType& param) {
+ WriteParam(writer, param.tag);
+ param.match([writer](const auto& t) { WriteParam(writer, t); });
+ }
+
+ // Because VariantReader is a nested struct, we need the dummy template
+ // parameter to avoid making VariantReader<0> an explicit specialization,
+ // which is not allowed for a nested class template
+ template <size_t N, typename dummy = void>
+ struct VariantReader {
+ using Next = VariantReader<N - 1>;
+
+ static bool Read(MessageReader* reader, Tag tag, paramType* result) {
+ // Since the VariantReader specializations start at N , we need to
+ // subtract one to look at N - 1, the first valid tag. This means our
+ // comparisons are off by 1. If we get to N = 0 then we have failed to
+ // find a match to the tag.
+ if (tag == N - 1) {
+ // Recall, even though the template parameter is N, we are
+ // actually interested in the N - 1 tag.
+ // Default construct our field within the result outparameter and
+ // directly deserialize into the variant. Note that this means that
+ // every type in Ts needs to be default constructible
+ return ReadParam(reader, &result->template emplace<N - 1>());
+ } else {
+ return Next::Read(reader, tag, result);
+ }
+ }
+
+ }; // VariantReader<N>
+
+ // Since we are conditioning on tag = N - 1 in the preceding specialization,
+ // if we get to `VariantReader<0, dummy>` we have failed to find
+ // a matching tag.
+ template <typename dummy>
+ struct VariantReader<0, dummy> {
+ static bool Read(MessageReader* reader, Tag tag, paramType* result) {
+ return false;
+ }
+ };
+
+ static bool Read(MessageReader* reader, paramType* result) {
+ Tag tag;
+ if (ReadParam(reader, &tag)) {
+ return VariantReader<sizeof...(Ts)>::Read(reader, tag, result);
+ }
+ return false;
+ }
+};
+
+template <typename T>
+struct ParamTraits<mozilla::dom::Optional<T>> {
+ typedef mozilla::dom::Optional<T> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ if (aParam.WasPassed()) {
+ WriteParam(aWriter, true);
+ WriteParam(aWriter, aParam.Value());
+ return;
+ }
+
+ WriteParam(aWriter, false);
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ bool wasPassed = false;
+
+ if (!ReadParam(aReader, &wasPassed)) {
+ return false;
+ }
+
+ aResult->Reset();
+
+ if (wasPassed) {
+ if (!ReadParam(aReader, &aResult->Construct())) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+};
+
+template <>
+struct ParamTraits<nsAtom*> {
+ typedef nsAtom paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType* aParam);
+ static bool Read(MessageReader* aReader, RefPtr<paramType>* aResult);
+};
+
+struct CrossOriginOpenerPolicyValidator {
+ using IntegralType =
+ std::underlying_type_t<nsILoadInfo::CrossOriginOpenerPolicy>;
+
+ static bool IsLegalValue(const IntegralType e) {
+ return AreIntegralValuesEqual(e, nsILoadInfo::OPENER_POLICY_UNSAFE_NONE) ||
+ AreIntegralValuesEqual(e, nsILoadInfo::OPENER_POLICY_SAME_ORIGIN) ||
+ AreIntegralValuesEqual(
+ e, nsILoadInfo::OPENER_POLICY_SAME_ORIGIN_ALLOW_POPUPS) ||
+ AreIntegralValuesEqual(
+ e, nsILoadInfo::
+ OPENER_POLICY_SAME_ORIGIN_EMBEDDER_POLICY_REQUIRE_CORP);
+ }
+
+ private:
+ static bool AreIntegralValuesEqual(
+ const IntegralType aLhs,
+ const nsILoadInfo::CrossOriginOpenerPolicy aRhs) {
+ return aLhs == static_cast<IntegralType>(aRhs);
+ }
+};
+
+template <>
+struct ParamTraits<nsILoadInfo::CrossOriginOpenerPolicy>
+ : EnumSerializer<nsILoadInfo::CrossOriginOpenerPolicy,
+ CrossOriginOpenerPolicyValidator> {};
+
+struct CrossOriginEmbedderPolicyValidator {
+ using IntegralType =
+ std::underlying_type_t<nsILoadInfo::CrossOriginEmbedderPolicy>;
+
+ static bool IsLegalValue(const IntegralType e) {
+ return AreIntegralValuesEqual(e, nsILoadInfo::EMBEDDER_POLICY_NULL) ||
+ AreIntegralValuesEqual(e,
+ nsILoadInfo::EMBEDDER_POLICY_REQUIRE_CORP) ||
+ AreIntegralValuesEqual(e,
+ nsILoadInfo::EMBEDDER_POLICY_CREDENTIALLESS);
+ }
+
+ private:
+ static bool AreIntegralValuesEqual(
+ const IntegralType aLhs,
+ const nsILoadInfo::CrossOriginEmbedderPolicy aRhs) {
+ return aLhs == static_cast<IntegralType>(aRhs);
+ }
+};
+
+template <>
+struct ParamTraits<nsILoadInfo::CrossOriginEmbedderPolicy>
+ : EnumSerializer<nsILoadInfo::CrossOriginEmbedderPolicy,
+ CrossOriginEmbedderPolicyValidator> {};
+
+template <size_t N, typename Word>
+struct ParamTraits<mozilla::BitSet<N, Word>> {
+ typedef mozilla::BitSet<N, Word> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ for (Word word : aParam.Storage()) {
+ WriteParam(aWriter, word);
+ }
+ }
+
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ for (Word& word : aResult->Storage()) {
+ if (!ReadParam(aReader, &word)) {
+ return false;
+ }
+ }
+ return true;
+ }
+};
+
+template <typename T>
+struct ParamTraits<mozilla::UniquePtr<T>> {
+ typedef mozilla::UniquePtr<T> paramType;
+
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ bool isNull = aParam == nullptr;
+ WriteParam(aWriter, isNull);
+
+ if (!isNull) {
+ WriteParam(aWriter, *aParam.get());
+ }
+ }
+
+ static bool Read(IPC::MessageReader* aReader, paramType* aResult) {
+ bool isNull = true;
+ if (!ReadParam(aReader, &isNull)) {
+ return false;
+ }
+
+ if (isNull) {
+ aResult->reset();
+ } else {
+ *aResult = mozilla::MakeUnique<T>();
+ if (!ReadParam(aReader, aResult->get())) {
+ return false;
+ }
+ }
+ return true;
+ }
+};
+
+template <typename... Ts>
+struct ParamTraits<std::tuple<Ts...>> {
+ typedef std::tuple<Ts...> paramType;
+
+ template <typename U>
+ static void Write(IPC::MessageWriter* aWriter, U&& aParam) {
+ WriteInternal(aWriter, std::forward<U>(aParam),
+ std::index_sequence_for<Ts...>{});
+ }
+
+ static bool Read(IPC::MessageReader* aReader, std::tuple<Ts...>* aResult) {
+ return ReadInternal(aReader, *aResult, std::index_sequence_for<Ts...>{});
+ }
+
+ private:
+ template <size_t... Is>
+ static void WriteInternal(IPC::MessageWriter* aWriter,
+ const std::tuple<Ts...>& aParam,
+ std::index_sequence<Is...>) {
+ WriteParams(aWriter, std::get<Is>(aParam)...);
+ }
+
+ template <size_t... Is>
+ static void WriteInternal(IPC::MessageWriter* aWriter,
+ std::tuple<Ts...>&& aParam,
+ std::index_sequence<Is...>) {
+ WriteParams(aWriter, std::move(std::get<Is>(aParam))...);
+ }
+
+ template <size_t... Is>
+ static bool ReadInternal(IPC::MessageReader* aReader,
+ std::tuple<Ts...>& aResult,
+ std::index_sequence<Is...>) {
+ return ReadParams(aReader, std::get<Is>(aResult)...);
+ }
+};
+
+template <>
+struct ParamTraits<mozilla::net::LinkHeader> {
+ typedef mozilla::net::LinkHeader paramType;
+ static void Write(MessageWriter* aWriter, const paramType& aParam) {
+ WriteParam(aWriter, aParam.mHref);
+ WriteParam(aWriter, aParam.mRel);
+ WriteParam(aWriter, aParam.mTitle);
+ WriteParam(aWriter, aParam.mIntegrity);
+ WriteParam(aWriter, aParam.mSrcset);
+ WriteParam(aWriter, aParam.mSizes);
+ WriteParam(aWriter, aParam.mType);
+ WriteParam(aWriter, aParam.mMedia);
+ WriteParam(aWriter, aParam.mCrossOrigin);
+ WriteParam(aWriter, aParam.mReferrerPolicy);
+ WriteParam(aWriter, aParam.mAs);
+ }
+ static bool Read(MessageReader* aReader, paramType* aResult) {
+ if (!ReadParam(aReader, &aResult->mHref)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mRel)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mTitle)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mIntegrity)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mSrcset)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mSizes)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mType)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mMedia)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mCrossOrigin)) {
+ return false;
+ }
+ if (!ReadParam(aReader, &aResult->mReferrerPolicy)) {
+ return false;
+ }
+ return ReadParam(aReader, &aResult->mAs);
+ };
+};
+
+} /* namespace IPC */
+
+#endif /* __IPC_GLUE_IPCMESSAGEUTILSSPECIALIZATIONS_H__ */