c92570f844
This is needed in Chrome builds to avoid collisions with its own LOG. PiperOrigin-RevId: 561436864
107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <vector>
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#include "absl/log/absl_log.h"
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#include "absl/strings/match.h"
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#include "mediapipe/framework/port/file_helpers.h"
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#include "mediapipe/framework/port/ret_check.h"
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#include "mediapipe/framework/port/singleton.h"
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#include "mediapipe/framework/port/statusor.h"
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#include "mediapipe/util/android/asset_manager_util.h"
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#include "mediapipe/util/android/file/base/helpers.h"
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namespace mediapipe {
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namespace {
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absl::StatusOr<std::string> PathToResourceAsFileInternal(
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const std::string& path) {
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return Singleton<AssetManager>::get()->CachedFileFromAsset(path);
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}
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} // namespace
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namespace internal {
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absl::Status DefaultGetResourceContents(const std::string& path,
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std::string* output,
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bool read_as_binary) {
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if (!read_as_binary) {
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ABSL_LOG(WARNING)
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<< "Setting \"read_as_binary\" to false is a no-op on Android.";
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}
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if (absl::StartsWith(path, "/")) {
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return file::GetContents(path, output, file::Defaults());
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}
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if (absl::StartsWith(path, "content://")) {
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MP_RETURN_IF_ERROR(
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Singleton<AssetManager>::get()->ReadContentUri(path, output));
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return absl::OkStatus();
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}
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// Try the test environment.
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absl::string_view workspace = "mediapipe";
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const char* test_srcdir = std::getenv("TEST_SRCDIR");
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auto test_path =
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file::JoinPath(test_srcdir ? test_srcdir : "", workspace, path);
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if (file::Exists(test_path).ok()) {
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return file::GetContents(path, output, file::Defaults());
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}
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RET_CHECK(Singleton<AssetManager>::get()->ReadFile(path, output))
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<< "could not read asset: " << path;
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return absl::OkStatus();
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}
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} // namespace internal
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absl::StatusOr<std::string> PathToResourceAsFile(const std::string& path) {
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// Return full path.
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if (absl::StartsWith(path, "/")) {
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return path;
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}
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// Try to load a relative path or a base filename as is.
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{
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auto status_or_path = PathToResourceAsFileInternal(path);
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if (status_or_path.ok()) {
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ABSL_LOG(INFO) << "Successfully loaded: " << path;
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return status_or_path;
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}
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}
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// If that fails, assume it was a relative path, and try just the base name.
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{
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const size_t last_slash_idx = path.find_last_of("\\/");
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RET_CHECK(last_slash_idx != std::string::npos)
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<< path << " doesn't have a slash in it"; // Make sure it's a path.
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auto base_name = path.substr(last_slash_idx + 1);
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auto status_or_path = PathToResourceAsFileInternal(base_name);
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if (status_or_path.ok()) {
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ABSL_LOG(INFO) << "Successfully loaded: " << base_name;
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return status_or_path;
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}
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}
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// Try the test environment.
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absl::string_view workspace = "mediapipe";
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auto test_path = file::JoinPath(std::getenv("TEST_SRCDIR"), workspace, path);
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if (file::Exists(test_path).ok()) {
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return test_path;
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}
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return path;
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}
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} // namespace mediapipe
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