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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 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 <google/protobuf/descriptor.h>
#include <google/protobuf/io/printer.h>
#include <google/protobuf/stubs/strutil.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) {
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 = StringReplace(comments, "&", "&", true);
comments = StringReplace(comments, "<", "<", true);
std::vector<string> lines = Split(comments, "\n", false /* skip_empty */);
// 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<string>::iterator it = lines.begin(); it != lines.end(); ++it) {
string line = *it;
if (line.empty()) {
last_was_empty = true;
} else {
if (last_was_empty) {
printer->Print("///\n");
}
last_was_empty = false;
printer->Print("///$line$\n", "line", *it);
}
}
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 Descriptor* message) {
WriteDocCommentBody(printer, message);
}
void WritePropertyDocComment(io::Printer* printer, const FieldDescriptor* field) {
WriteDocCommentBody(printer, field);
}
void WriteEnumDocComment(io::Printer* printer, const EnumDescriptor* enumDescriptor) {
WriteDocCommentBody(printer, enumDescriptor);
}
void WriteEnumValueDocComment(io::Printer* printer, const EnumValueDescriptor* value) {
WriteDocCommentBody(printer, value);
}
void WriteMethodDocComment(io::Printer* printer, const MethodDescriptor* method) {
WriteDocCommentBody(printer, method);
}
} // namespace csharp
} // namespace compiler
} // namespace protobuf
} // namespace google
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