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// Copyright 2022 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/utils/cpp/tmp_dir.hpp"
#include "gsl/gsl"
#include "src/buildtool/file_system/file_system_manager.hpp"
auto TmpDir::Create(std::filesystem::path const& prefix,
std::string const& dir_template) noexcept -> TmpDirPtr {
try {
// make sure prefix folder exists
if (not FileSystemManager::CreateDirectory(prefix)) {
Logger::Log(LogLevel::Error,
"TmpDir: could not create prefix directory {}",
prefix.string());
return nullptr;
}
auto full_template_str =
std::filesystem::weakly_canonical(
std::filesystem::absolute(prefix / dir_template))
.string();
std::vector<char> c_tmpl(full_template_str.begin(),
full_template_str.end());
c_tmpl.emplace_back('\0'); // get as c-string
// attempt to make the tmp dir
// NOLINTNEXTLINE(cppcoreguidelines-pro-type-vararg,hicpp-vararg)
char* tmp_dir = mkdtemp(&c_tmpl[0]);
if (tmp_dir == nullptr) {
return nullptr;
}
auto tmp_dir_obj = std::make_shared<TmpDir>();
// need to explicitly transform to std::string first
tmp_dir_obj->tmp_dir_ = std::filesystem::path(std::string(tmp_dir));
return std::static_pointer_cast<TmpDir const>(tmp_dir_obj);
} catch (...) {
return nullptr;
}
}
auto TmpDir::GetPath() const noexcept -> std::filesystem::path {
return tmp_dir_;
}
TmpDir::~TmpDir() noexcept {
// try to remove the tmp dir and all its content
[[maybe_unused]] auto res =
FileSystemManager::RemoveDirectory(tmp_dir_, true);
}
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