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
|
// Copyright 2025 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/common/artifact_blob.hpp"
#include <exception>
#include "fmt/core.h"
#include "src/buildtool/common/artifact_digest_factory.hpp"
#include "src/utils/cpp/hash_combine.hpp"
#include "src/utils/cpp/in_place_visitor.hpp"
auto ArtifactBlob::FromMemory(HashFunction hash_function,
ObjectType type,
std::string content) noexcept
-> expected<ArtifactBlob, std::string> {
try {
auto digest = IsTreeObject(type)
? ArtifactDigestFactory::HashDataAs<ObjectType::Tree>(
hash_function, content)
: ArtifactDigestFactory::HashDataAs<ObjectType::File>(
hash_function, content);
return ArtifactBlob{
std::move(digest),
std::make_shared<std::string const>(std::move(content)),
IsExecutableObject(type)};
} catch (const std::exception& e) {
return unexpected{fmt::format(
"ArtifactBlob::FromMemory: Got an exception:\n{}", e.what())};
} catch (...) {
return unexpected<std::string>{
"ArtifactBlob::FromMemory: Got an unknown exception"};
}
}
auto ArtifactBlob::ReadContent() const noexcept
-> std::shared_ptr<std::string const> {
using Result = std::shared_ptr<std::string const>;
static constexpr InPlaceVisitor kVisitor{
[](InMemory const& value) -> Result { return value; },
};
try {
return std::visit(kVisitor, content_);
} catch (...) {
return nullptr;
}
}
auto ArtifactBlob::ReadIncrementally(std::size_t chunk_size) const& noexcept
-> expected<IncrementalReader, std::string> {
using Result = expected<IncrementalReader, std::string>;
const InPlaceVisitor visitor{
[chunk_size](InMemory const& value) -> Result {
if (value == nullptr) {
return unexpected<std::string>{
"ArtifactBlob::ReadIncrementally: missing memory source"};
}
return IncrementalReader::FromMemory(chunk_size, value.get());
},
};
try {
return std::visit(visitor, content_);
} catch (std::exception const& e) {
return unexpected{fmt::format(
"ArtifactBlob::ReadIncrementally: Got an exception:\n{}",
e.what())};
} catch (...) {
return unexpected<std::string>{
"ArtifactBlob::ReadIncrementally: Got an unknown exception"};
}
}
namespace std {
auto hash<ArtifactBlob>::operator()(ArtifactBlob const& blob) const noexcept
-> std::size_t {
std::size_t seed{};
hash_combine(&seed, blob.GetDigest());
hash_combine(&seed, blob.IsExecutable());
return seed;
}
} // namespace std
|
