ccls/src/messages/textDocument_foldingRange.cc
2019-01-09 15:19:23 +08:00

74 lines
2.6 KiB
C++

/* Copyright 2017-2018 ccls Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#include "message_handler.h"
#include "pipeline.hh"
#include "project.h"
#include "query_utils.h"
#include "working_files.h"
namespace ccls {
namespace {
MethodType foldingRange = "textDocument/foldingRange";
struct In_textDocumentFoldingRange : public RequestMessage {
MethodType GetMethodType() const override { return foldingRange; }
struct Params {
lsTextDocumentIdentifier textDocument;
} params;
};
MAKE_REFLECT_STRUCT(In_textDocumentFoldingRange::Params, textDocument);
MAKE_REFLECT_STRUCT(In_textDocumentFoldingRange, id, params);
REGISTER_IN_MESSAGE(In_textDocumentFoldingRange);
struct FoldingRange {
int startLine, startCharacter, endLine, endCharacter;
std::string kind = "region";
};
MAKE_REFLECT_STRUCT(FoldingRange, startLine, startCharacter, endLine, endCharacter, kind);
struct Handler_textDocumentFoldingRange
: BaseMessageHandler<In_textDocumentFoldingRange> {
MethodType GetMethodType() const override { return foldingRange; }
void Run(In_textDocumentFoldingRange *request) override {
QueryFile *file;
if (!FindFileOrFail(db, project, request->id,
request->params.textDocument.uri.GetPath(), &file,
nullptr))
return;
WorkingFile *wfile =
working_files->GetFileByFilename(file->def->path);
if (!wfile)
return;
std::vector<FoldingRange> result;
std::optional<lsRange> ls_range;
for (auto [sym, refcnt] : file->symbol2refcnt)
if (refcnt > 0 && sym.extent.Valid() &&
(sym.kind == SymbolKind::Func || sym.kind == SymbolKind::Type) &&
(ls_range = GetLsRange(wfile, sym.extent))) {
FoldingRange &fold = result.emplace_back();
fold.startLine = ls_range->start.line;
fold.startCharacter = ls_range->start.character;
fold.endLine = ls_range->end.line;
fold.endCharacter = ls_range->end.character;
}
pipeline::Reply(request->id, result);
}
};
REGISTER_MESSAGE_HANDLER(Handler_textDocumentFoldingRange);
} // namespace
} // namespace ccls