1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// Copyright 2024 Huawei Cloud Computing Technology Co., Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "src/buildtool/file_system/precomputed_root.hpp"
#include <compare>
#include <exception>
#include "fmt/core.h"
#include "gsl/gsl"
#include "src/utils/cpp/hash_combine.hpp"
namespace {
template <typename T>
[[nodiscard]] auto ParseImpl(nlohmann::json const& /*root*/)
-> expected<T, std::string> {
Ensures(false);
}
template <typename T>
[[nodiscard]] auto ParsePrecomputed(nlohmann::json const& root) noexcept
-> expected<PrecomputedRoot, std::string> {
try {
auto parsed_root = ParseImpl<T>(root);
if (not parsed_root) {
return unexpected{fmt::format("While parsing {} root {}:\n{}",
T::kMarker,
root.dump(),
std::move(parsed_root).error())};
}
return PrecomputedRoot{*std::move(parsed_root)};
} catch (const std::exception& e) {
return unexpected{fmt::format("While parsing {} root {}:\n{}",
T::kMarker,
root.dump(),
e.what())};
}
}
template <>
[[nodiscard]] auto ParseImpl<ComputedRoot>(nlohmann::json const& root)
-> expected<ComputedRoot, std::string> {
if (root.size() != ComputedRoot::kSchemeLength) {
return unexpected{fmt::format(
"The root has a wrong number of arguments: {}\nThe scheme requires "
"[<scheme>, <root>, <module>, <name>, <config>]",
root.dump())};
}
if (not root[1].is_string()) {
return unexpected{fmt::format(
"The root has a wrong type of <root>. Expected a string, got {}",
root[1].dump())};
}
if (not root[2].is_string()) {
return unexpected{fmt::format(
"The root has a wrong type of <module>. Expected a string, got {}",
root[2].dump())};
}
if (not root[3].is_string()) {
return unexpected{fmt::format(
"The root has a wrong type of <name>. Expected a string, got {}",
root[3].dump())};
}
if (not root[4].is_object()) {
return unexpected{
fmt::format("The root has a wrong type of <config>. Expected a "
"plain json, got {}",
root[4].dump())};
}
return ComputedRoot{.repository = std::string{root[1]},
.target_module = std::string{root[2]},
.target_name = std::string{root[3]},
.config = root[4]};
}
} // namespace
auto ComputedRoot::operator==(ComputedRoot const& other) const noexcept
-> bool {
return repository == other.repository and
target_module == other.target_module and
target_name == other.target_name and config == other.config;
}
auto ComputedRoot::operator<(ComputedRoot const& other) const noexcept -> bool {
if (auto const res = repository <=> other.repository; res != 0) {
return res < 0;
}
if (auto const res = target_module <=> other.target_module; res != 0) {
return res < 0;
}
if (auto const res = target_name <=> other.target_name; res != 0) {
return res < 0;
}
return config < other.config;
}
auto ComputedRoot::ToString() const -> std::string {
return fmt::format("([\"@\", {}, {}, {}], {})",
nlohmann::json(repository).dump(),
nlohmann::json(target_module).dump(),
nlohmann::json(target_name).dump(),
config.dump());
}
auto ComputedRoot::ComputeHash() const -> std::size_t {
size_t seed{};
hash_combine<std::string>(&seed, kMarker);
hash_combine<std::string>(&seed, repository);
hash_combine<std::string>(&seed, target_module);
hash_combine<std::string>(&seed, target_name);
hash_combine<nlohmann::json>(&seed, config);
return seed;
}
auto PrecomputedRoot::Parse(nlohmann::json const& root) noexcept
-> expected<PrecomputedRoot, std::string> {
if ((not root.is_array()) or root.empty()) {
return unexpected{
fmt::format("The root is empty or has unsupported format: \"{}\"",
root.dump())};
}
if (root[0] == ComputedRoot::kMarker) {
return ParsePrecomputed<ComputedRoot>(root);
}
return unexpected{
fmt::format("Unknown precomputed type of the root {}", root.dump())};
}
auto PrecomputedRoot::ToString() const noexcept -> std::string {
try {
return std::visit([](auto const& r) { return r.ToString(); }, root_);
} catch (...) {
Ensures(false);
}
}
auto PrecomputedRoot::GetReferencedRepository() const noexcept -> std::string {
try {
return std::visit([](auto const& r) { return r.repository; }, root_);
} catch (...) {
Ensures(false);
}
}
auto PrecomputedRoot::ComputeHash(root_t const& root) -> std::size_t {
return std::visit([](auto const& r) { return r.ComputeHash(); }, root);
}
|
