mediapipe/mediapipe/util/resource_util_default.cc
MediaPipe Team 4dc4b19ddb Project import generated by Copybara.
GitOrigin-RevId: 1e13be30e2c6838d4a2ff768a39c414bc80534bb
2022-09-06 21:46:17 +00:00

56 lines
1.8 KiB
C++

// Copyright 2019 The MediaPipe Authors.
//
// 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 <fstream>
#include "absl/flags/flag.h"
#include "mediapipe/framework/deps/file_path.h"
#include "mediapipe/framework/port/file_helpers.h"
#include "mediapipe/framework/port/statusor.h"
ABSL_FLAG(
std::string, resource_root_dir, "",
"The absolute path to the resource directory."
"If specified, resource_root_dir will be prepended to the original path.");
namespace mediapipe {
using mediapipe::file::GetContents;
using mediapipe::file::JoinPath;
namespace internal {
absl::Status DefaultGetResourceContents(const std::string& path,
std::string* output,
bool read_as_binary) {
return GetContents(path, output, read_as_binary);
}
} // namespace internal
absl::StatusOr<std::string> PathToResourceAsFile(const std::string& path) {
if (absl::StartsWith(path, "/")) {
return path;
}
// Try to load the file from bazel-bin. If it does not exist, fall back to the
// resource folder.
auto bazel_path = JoinPath("bazel-bin", path);
if (file::Exists(bazel_path).ok()) {
return bazel_path;
}
return JoinPath(absl::GetFlag(FLAGS_resource_root_dir), path);
}
} // namespace mediapipe