1 // Copyright 2017-2018 ccls Authors
2 // SPDX-License-Identifier: Apache-2.0
3
4 #include "message_handler.hh"
5 #include "pipeline.hh"
6 #include "project.hh"
7 #include "query.hh"
8 #include "working_files.hh"
9
10 namespace ccls {
11 namespace {
12 struct FoldingRange {
13 int startLine, startCharacter, endLine, endCharacter;
14 std::string kind = "region";
15 };
16 REFLECT_STRUCT(FoldingRange, startLine, startCharacter, endLine, endCharacter,
17 kind);
18 } // namespace
19
textDocument_foldingRange(TextDocumentParam & param,ReplyOnce & reply)20 void MessageHandler::textDocument_foldingRange(TextDocumentParam ¶m,
21 ReplyOnce &reply) {
22 auto [file, wf] = findOrFail(param.textDocument.uri.getPath(), reply);
23 if (!wf)
24 return;
25 std::vector<FoldingRange> result;
26 std::optional<lsRange> ls_range;
27
28 for (auto [sym, refcnt] : file->symbol2refcnt)
29 if (refcnt > 0 && sym.extent.valid() &&
30 (sym.kind == Kind::Func || sym.kind == Kind::Type) &&
31 (ls_range = getLsRange(wf, sym.extent))) {
32 FoldingRange &fold = result.emplace_back();
33 fold.startLine = ls_range->start.line;
34 fold.startCharacter = ls_range->start.character;
35 fold.endLine = ls_range->end.line;
36 fold.endCharacter = ls_range->end.character;
37 }
38 reply(result);
39 }
40 } // namespace ccls
41