65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
// Copyright 2023 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 "mediapipe/util/graph_builder_utils.h"
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#include <string>
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#include <utility>
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#include "absl/strings/match.h"
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#include "absl/strings/str_cat.h"
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#include "absl/strings/string_view.h"
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#include "mediapipe/framework/calculator.pb.h"
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#include "mediapipe/framework/calculator_framework.h"
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namespace mediapipe {
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namespace {
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bool StartsWithTag(absl::string_view name, absl::string_view tag) {
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constexpr absl::string_view kDelimiter(":");
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return absl::StartsWith(name, absl::StrCat(tag, kDelimiter));
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}
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} // namespace
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bool HasInput(const CalculatorGraphConfig::Node& node, absl::string_view tag) {
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for (int i = 0; i < node.input_stream_size(); ++i) {
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if (StartsWithTag(node.input_stream(i), tag)) {
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return true;
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}
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}
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return false;
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}
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bool HasSideInput(const CalculatorGraphConfig::Node& node,
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absl::string_view tag) {
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for (int i = 0; i < node.input_side_packet_size(); ++i) {
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if (StartsWithTag(node.input_side_packet(i), tag)) {
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return true;
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}
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}
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return false;
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}
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bool HasOutput(const CalculatorGraphConfig::Node& node, absl::string_view tag) {
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for (int i = 0; i < node.output_stream_size(); ++i) {
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if (StartsWithTag(node.output_stream(i), tag)) {
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return true;
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}
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}
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return false;
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}
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} // namespace mediapipe
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