132 lines
4.3 KiB
C++
132 lines
4.3 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 "mediapipe/framework/tool/name_util.h"
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#include <set>
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#include <unordered_map>
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#include "absl/container/flat_hash_set.h"
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#include "absl/strings/str_cat.h"
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#include "absl/strings/str_format.h"
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#include "mediapipe/framework/port/map_util.h"
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#include "mediapipe/framework/tool/validate_name.h"
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namespace mediapipe {
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namespace tool {
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std::string GetUnusedNodeName(const CalculatorGraphConfig& config,
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const std::string& node_name_base) {
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std::set<std::string> node_names;
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for (const ::mediapipe::CalculatorGraphConfig::Node& node : config.node()) {
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if (!node.name().empty()) {
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node_names.insert(node.name());
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}
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}
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std::string candidate = node_name_base;
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int iter = 2;
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while (ContainsKey(node_names, candidate)) {
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candidate =
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absl::StrCat(node_name_base, "_", absl::StrFormat("%02d", iter));
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++iter;
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}
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return candidate;
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}
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std::string GetUnusedSidePacketName(
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const CalculatorGraphConfig& config,
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const std::string& input_side_packet_name_base) {
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absl::flat_hash_set<std::string> input_side_packets;
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for (const ::mediapipe::CalculatorGraphConfig::Node& node : config.node()) {
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for (const auto& tag_and_name : node.input_side_packet()) {
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std::string tag;
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std::string name;
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int index;
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MEDIAPIPE_CHECK_OK(ParseTagIndexName(tag_and_name, &tag, &index, &name));
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input_side_packets.insert(name);
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}
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}
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std::string candidate = input_side_packet_name_base;
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int iter = 2;
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while (mediapipe::ContainsKey(input_side_packets, candidate)) {
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candidate = absl::StrCat(input_side_packet_name_base, "_",
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absl::StrFormat("%02d", iter));
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++iter;
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}
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return candidate;
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}
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std::string CanonicalNodeName(const CalculatorGraphConfig& graph_config,
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int node_id) {
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const auto& node_config = graph_config.node(node_id);
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std::string node_name = node_config.name().empty() ? node_config.calculator()
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: node_config.name();
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int count = 0;
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int sequence = 0;
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for (int i = 0; i < graph_config.node_size(); i++) {
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const auto& current_node_config = graph_config.node(i);
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std::string current_node_name = current_node_config.name().empty()
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? current_node_config.calculator()
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: current_node_config.name();
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if (node_name == current_node_name) {
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++count;
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if (i < node_id) {
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++sequence;
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}
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}
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}
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if (count <= 1) {
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return node_name;
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}
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return absl::StrCat(node_name, "_", sequence + 1);
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}
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std::string ParseNameFromStream(const std::string& stream) {
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std::string tag, name;
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int index;
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MEDIAPIPE_CHECK_OK(tool::ParseTagIndexName(stream, &tag, &index, &name));
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return name;
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}
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std::pair<std::string, int> ParseTagIndex(const std::string& tag_index) {
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std::string tag;
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int index;
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MEDIAPIPE_CHECK_OK(tool::ParseTagIndex(tag_index, &tag, &index));
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return {tag, index};
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}
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std::pair<std::string, int> ParseTagIndexFromStream(const std::string& stream) {
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std::string tag, name;
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int index;
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MEDIAPIPE_CHECK_OK(tool::ParseTagIndexName(stream, &tag, &index, &name));
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return {tag, index};
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}
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std::string CatTag(const std::string& tag, int index) {
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std::string colon_index =
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(index <= 0 || tag.empty()) ? "" : absl::StrCat(":", index);
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return absl::StrCat(tag, colon_index);
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}
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std::string CatStream(const std::pair<std::string, int>& tag_index,
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const std::string& name) {
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std::string tag = CatTag(tag_index.first, tag_index.second);
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tag = tag.empty() ? tag : absl::StrCat(tag, ":");
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return absl::StrCat(tag, name);
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}
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} // namespace tool
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} // namespace mediapipe
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