mirror of
https://github.com/google/sandboxed-api.git
synced 2024-03-22 13:11:30 +08:00
59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
// Copyright 2019 Google LLC
|
|
//
|
|
// 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
|
|
//
|
|
// https://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 "sandboxed_api/util/file_helpers.h"
|
|
|
|
#include <fstream>
|
|
#include <sstream>
|
|
#include <string>
|
|
|
|
#include "absl/status/status.h"
|
|
#include "absl/strings/str_cat.h"
|
|
#include "absl/strings/string_view.h"
|
|
|
|
namespace sapi::file {
|
|
|
|
const Options& Defaults() {
|
|
static auto* instance = new Options{};
|
|
return *instance;
|
|
}
|
|
|
|
absl::Status GetContents(absl::string_view path, std::string* output,
|
|
const file::Options& options) {
|
|
std::ifstream in_stream{std::string(path), std::ios_base::binary};
|
|
std::ostringstream out_stream;
|
|
out_stream << in_stream.rdbuf();
|
|
if (!in_stream || !out_stream) {
|
|
return absl::UnknownError(absl::StrCat("Error during read: ", path));
|
|
}
|
|
*output = out_stream.str();
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
absl::Status SetContents(absl::string_view path, absl::string_view content,
|
|
const file::Options& options) {
|
|
std::ofstream out_stream(std::string(path),
|
|
std::ios_base::trunc | std::ios_base::binary);
|
|
if (!out_stream) {
|
|
return absl::UnknownError(absl::StrCat("Failed to open file: ", path));
|
|
}
|
|
out_stream.write(content.data(), content.size());
|
|
if (!out_stream) {
|
|
return absl::UnknownError(absl::StrCat("Error during write: ", path));
|
|
}
|
|
return absl::OkStatus();
|
|
}
|
|
|
|
} // namespace sapi::file
|