SerializationHelpers.h (2280B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #ifndef mozilla_dom_localstorage_SerializationHelpers_h 8 #define mozilla_dom_localstorage_SerializationHelpers_h 9 10 #include "chrome/common/ipc_message_utils.h" 11 #include "ipc/EnumSerializer.h" 12 #include "mozilla/dom/LSSnapshot.h" 13 #include "mozilla/dom/LSValue.h" 14 15 namespace IPC { 16 17 template <> 18 struct ParamTraits<mozilla::dom::LSSnapshot::LoadState> 19 : public ContiguousEnumSerializer< 20 mozilla::dom::LSSnapshot::LoadState, 21 mozilla::dom::LSSnapshot::LoadState::Initial, 22 mozilla::dom::LSSnapshot::LoadState::EndGuard> {}; 23 24 template <> 25 struct ParamTraits<mozilla::dom::LSValue::CompressionType> 26 : public ContiguousEnumSerializer< 27 mozilla::dom::LSValue::CompressionType, 28 mozilla::dom::LSValue::CompressionType::UNCOMPRESSED, 29 mozilla::dom::LSValue::CompressionType::NUM_TYPES> {}; 30 31 static_assert( 32 0u == static_cast<uint8_t>(mozilla::dom::LSValue::ConversionType::NONE)); 33 template <> 34 struct ParamTraits<mozilla::dom::LSValue::ConversionType> 35 : public ContiguousEnumSerializer< 36 mozilla::dom::LSValue::ConversionType, 37 mozilla::dom::LSValue::ConversionType::NONE, 38 mozilla::dom::LSValue::ConversionType::NUM_TYPES> {}; 39 40 template <> 41 struct ParamTraits<mozilla::dom::LSValue> { 42 typedef mozilla::dom::LSValue paramType; 43 44 static void Write(MessageWriter* aWriter, const paramType& aParam) { 45 WriteParam(aWriter, aParam.mBuffer); 46 WriteParam(aWriter, aParam.mUTF16Length); 47 WriteParam(aWriter, aParam.mConversionType); 48 WriteParam(aWriter, aParam.mCompressionType); 49 } 50 51 static bool Read(MessageReader* aReader, paramType* aResult) { 52 return ReadParam(aReader, &aResult->mBuffer) && 53 ReadParam(aReader, &aResult->mUTF16Length) && 54 ReadParam(aReader, &aResult->mConversionType) && 55 ReadParam(aReader, &aResult->mCompressionType); 56 } 57 }; 58 59 } // namespace IPC 60 61 #endif // mozilla_dom_localstorage_SerializationHelpers_h