Hidehiko Abe | b268b43 | 2018-04-24 01:37:19 +0900 | [diff] [blame] | 1 | // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef MOJO_COMMON_COMMON_CUSTOM_TYPES_STRUCT_TRAITS_H_ |
| 6 | #define MOJO_COMMON_COMMON_CUSTOM_TYPES_STRUCT_TRAITS_H_ |
| 7 | |
| 8 | #include "base/files/file.h" |
| 9 | #include "base/i18n/rtl.h" |
| 10 | #include "base/strings/utf_string_conversions.h" |
| 11 | #include "base/unguessable_token.h" |
| 12 | #include "base/version.h" |
| 13 | #include "mojo/common/file.mojom-shared.h" |
| 14 | #include "mojo/common/mojo_common_export.h" |
| 15 | #include "mojo/common/string16.mojom-shared.h" |
| 16 | #include "mojo/common/text_direction.mojom-shared.h" |
| 17 | #include "mojo/common/time.mojom-shared.h" |
| 18 | #include "mojo/common/unguessable_token.mojom-shared.h" |
| 19 | #include "mojo/common/version.mojom-shared.h" |
| 20 | |
| 21 | namespace mojo { |
| 22 | |
| 23 | template <> |
| 24 | struct StructTraits<common::mojom::String16DataView, base::string16> { |
| 25 | static ConstCArray<uint16_t> data(const base::string16& str) { |
| 26 | return ConstCArray<uint16_t>(str.size(), |
| 27 | reinterpret_cast<const uint16_t*>(str.data())); |
| 28 | } |
| 29 | |
| 30 | static bool Read(common::mojom::String16DataView data, base::string16* out); |
| 31 | }; |
| 32 | |
| 33 | template <> |
| 34 | struct StructTraits<common::mojom::VersionDataView, base::Version> { |
| 35 | static bool IsNull(const base::Version& version) { |
| 36 | return !version.IsValid(); |
| 37 | } |
| 38 | static void SetToNull(base::Version* out) { |
| 39 | *out = base::Version(std::string()); |
| 40 | } |
| 41 | static const std::vector<uint32_t>& components(const base::Version& version); |
| 42 | static bool Read(common::mojom::VersionDataView data, base::Version* out); |
| 43 | }; |
| 44 | |
| 45 | // If base::UnguessableToken is no longer 128 bits, the logic below and the |
| 46 | // mojom::UnguessableToken type should be updated. |
| 47 | static_assert(sizeof(base::UnguessableToken) == 2 * sizeof(uint64_t), |
| 48 | "base::UnguessableToken should be of size 2 * sizeof(uint64_t)."); |
| 49 | |
| 50 | template <> |
| 51 | struct StructTraits<common::mojom::UnguessableTokenDataView, |
| 52 | base::UnguessableToken> { |
| 53 | static uint64_t high(const base::UnguessableToken& token) { |
| 54 | return token.GetHighForSerialization(); |
| 55 | } |
| 56 | |
| 57 | static uint64_t low(const base::UnguessableToken& token) { |
| 58 | return token.GetLowForSerialization(); |
| 59 | } |
| 60 | |
| 61 | static bool Read(common::mojom::UnguessableTokenDataView data, |
| 62 | base::UnguessableToken* out); |
| 63 | }; |
| 64 | |
| 65 | template <> |
| 66 | struct StructTraits<common::mojom::FileDataView, base::File> { |
| 67 | static bool IsNull(const base::File& file) { return !file.IsValid(); } |
| 68 | |
| 69 | static void SetToNull(base::File* file) { *file = base::File(); } |
| 70 | |
| 71 | static mojo::ScopedHandle fd(base::File& file); |
| 72 | static bool Read(common::mojom::FileDataView data, base::File* file); |
| 73 | }; |
| 74 | |
| 75 | template <> |
| 76 | struct EnumTraits<common::mojom::TextDirection, base::i18n::TextDirection> { |
| 77 | static common::mojom::TextDirection ToMojom( |
| 78 | base::i18n::TextDirection text_direction); |
| 79 | static bool FromMojom(common::mojom::TextDirection input, |
| 80 | base::i18n::TextDirection* out); |
| 81 | }; |
| 82 | |
| 83 | } // namespace mojo |
| 84 | |
| 85 | #endif // MOJO_COMMON_COMMON_CUSTOM_TYPES_STRUCT_TRAITS_H_ |