| // Protocol Buffers - Google's data interchange format |
| // Copyright 2008 Google Inc. All rights reserved. |
| // |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file or at |
| // https://developers.google.com/open-source/licenses/bsd |
| |
| // Author: kenton@google.com (Kenton Varda) |
| // Based on original Protocol Buffers design by |
| // Sanjay Ghemawat, Jeff Dean, and others. |
| #include "google/protobuf/compiler/csharp/csharp_doc_comment.h" |
| |
| #include "absl/strings/str_replace.h" |
| #include "absl/strings/str_split.h" |
| #include "google/protobuf/compiler/csharp/csharp_options.h" |
| #include "google/protobuf/descriptor.h" |
| #include "google/protobuf/io/printer.h" |
| |
| namespace google { |
| namespace protobuf { |
| namespace compiler { |
| namespace csharp { |
| |
| // Functions to create C# XML documentation comments. |
| // Currently this only includes documentation comments containing text specified |
| // as comments in the .proto file; documentation comments generated just from |
| // field/message/enum/proto names is inlined in the relevant code. If more |
| // control is required, that code can be moved here. |
| |
| void WriteDocCommentBodyImpl(io::Printer* printer, SourceLocation location) { |
| std::string comments = location.leading_comments.empty() |
| ? location.trailing_comments |
| : location.leading_comments; |
| if (comments.empty()) { |
| return; |
| } |
| // XML escaping... no need for apostrophes etc as the whole text is going to |
| // be a child node of a summary element, not part of an attribute. |
| comments = absl::StrReplaceAll(comments, {{"&", "&"}, {"<", "<"}}); |
| std::vector<std::string> lines; |
| lines = absl::StrSplit(comments, "\n", absl::AllowEmpty()); |
| // TODO: We really should work out which part to put in the summary and which |
| // to put in the remarks... but that needs to be part of a bigger effort to |
| // understand the markdown better anyway. |
| printer->Print("/// <summary>\n"); |
| bool last_was_empty = false; |
| // We squash multiple blank lines down to one, and remove any trailing blank |
| // lines. We need to preserve the blank lines themselves, as this is relevant |
| // in the markdown. Note that we can't remove leading or trailing whitespace |
| // as *that's* relevant in markdown too. (We don't skip "just whitespace" |
| // lines, either.) |
| for (std::vector<std::string>::iterator it = lines.begin(); it != lines.end(); |
| ++it) { |
| std::string line = *it; |
| if (line.empty()) { |
| last_was_empty = true; |
| } else { |
| if (last_was_empty) { |
| printer->Print("///\n"); |
| } |
| last_was_empty = false; |
| // If the comment has an extra slash at the start then this can cause the |
| // C# compiler to complain when generating the XML documentation Issue |
| // https://github.com/grpc/grpc/issues/35905 |
| if (line[0] == '/') { |
| line.replace(0, 1, "/"); |
| } |
| printer->Print("///$line$\n", "line", line); |
| } |
| } |
| printer->Print("/// </summary>\n"); |
| } |
| |
| template <typename DescriptorType> |
| static void WriteDocCommentBody(io::Printer* printer, |
| const DescriptorType* descriptor) { |
| SourceLocation location; |
| if (descriptor->GetSourceLocation(&location)) { |
| WriteDocCommentBodyImpl(printer, location); |
| } |
| } |
| |
| void WriteMessageDocComment(io::Printer* printer, const Options* options, |
| const Descriptor* message) { |
| if (options->strip_nonfunctional_codegen) return; |
| WriteDocCommentBody(printer, message); |
| } |
| |
| void WritePropertyDocComment(io::Printer* printer, const Options* options, |
| const FieldDescriptor* field) { |
| if (options->strip_nonfunctional_codegen) return; |
| WriteDocCommentBody(printer, field); |
| } |
| |
| void WriteEnumDocComment(io::Printer* printer, const Options* options, |
| const EnumDescriptor* enumDescriptor) { |
| if (options->strip_nonfunctional_codegen) return; |
| WriteDocCommentBody(printer, enumDescriptor); |
| } |
| void WriteEnumValueDocComment(io::Printer* printer, const Options* options, |
| const EnumValueDescriptor* value) { |
| if (options->strip_nonfunctional_codegen) return; |
| WriteDocCommentBody(printer, value); |
| } |
| |
| void WriteMethodDocComment(io::Printer* printer, const Options* options, |
| const MethodDescriptor* method) { |
| if (options->strip_nonfunctional_codegen) return; |
| WriteDocCommentBody(printer, method); |
| } |
| |
| } // namespace csharp |
| } // namespace compiler |
| } // namespace protobuf |
| } // namespace google |