OR-Tools  8.2
proto_tools.cc
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1// Copyright 2010-2018 Google LLC
2// Licensed under the Apache License, Version 2.0 (the "License");
3// you may not use this file except in compliance with the License.
4// You may obtain a copy of the License at
5//
6// http://www.apache.org/licenses/LICENSE-2.0
7//
8// Unless required by applicable law or agreed to in writing, software
9// distributed under the License is distributed on an "AS IS" BASIS,
10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11// See the License for the specific language governing permissions and
12// limitations under the License.
13
15
16#include "absl/strings/str_cat.h"
17#include "google/protobuf/descriptor.h"
18#include "google/protobuf/message.h"
19#include "google/protobuf/text_format.h"
20
21namespace operations_research {
22
23using ::google::protobuf::Descriptor;
24using ::google::protobuf::FieldDescriptor;
25using ::google::protobuf::Reflection;
26using ::google::protobuf::TextFormat;
27
28namespace {
29void WriteFullProtocolMessage(const google::protobuf::Message& message,
30 int indent_level, std::string* out) {
31 std::string temp_string;
32 const std::string indent(indent_level * 2, ' ');
33 const Descriptor* desc = message.GetDescriptor();
34 const Reflection* refl = message.GetReflection();
35 for (int i = 0; i < desc->field_count(); ++i) {
36 const FieldDescriptor* fd = desc->field(i);
37 const bool repeated = fd->is_repeated();
38 const int start = repeated ? 0 : -1;
39 const int limit = repeated ? refl->FieldSize(message, fd) : 0;
40 for (int j = start; j < limit; ++j) {
41 absl::StrAppend(out, indent, fd->name());
42 if (fd->cpp_type() == FieldDescriptor::CPPTYPE_MESSAGE) {
43 absl::StrAppend(out, " {\n");
44 const google::protobuf::Message& nested_message =
45 repeated ? refl->GetRepeatedMessage(message, fd, j)
46 : refl->GetMessage(message, fd);
47 WriteFullProtocolMessage(nested_message, indent_level + 1, out);
48 absl::StrAppend(out, indent, "}\n");
49 } else {
50 TextFormat::PrintFieldValueToString(message, fd, j, &temp_string);
51 absl::StrAppend(out, ": ", temp_string, "\n");
52 }
53 }
54 }
55}
56} // namespace
57
59 const google::protobuf::Message& message, int indent_level) {
60 std::string message_str;
61 WriteFullProtocolMessage(message, indent_level, &message_str);
62 return message_str;
63}
64
65} // namespace operations_research
The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...
std::string FullProtocolMessageAsString(const google::protobuf::Message &message, int indent_level)
Definition: proto_tools.cc:58
std::string message
Definition: trace.cc:395
int indent
Definition: trace.cc:431