sandboxed-api/sandboxed_api/util/file_helpers.cc
Wiktor Garbacz 127176d72f Bulk IWYU and build_cleaner fixes
PiperOrigin-RevId: 559733768
Change-Id: Ia38f4c176e9f0abbfdb3a8f1109f482d8870eb0f
2023-08-24 06:23:36 -07:00

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