1 //===--- Conversion.cpp - LSP data (de-)serialization through XPC - C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "xpc/Conversion.h"
10 #include "support/Logger.h"
11 #include "llvm/ADT/StringRef.h"
12 #include "llvm/Support/ScopedPrinter.h"
13 #include <string>
14 #include <vector>
15 
16 using namespace llvm;
17 namespace clang {
18 namespace clangd {
19 
jsonToXpc(const json::Value & JSON)20 xpc_object_t jsonToXpc(const json::Value &JSON) {
21   const char *const Key = "LSP";
22   xpc_object_t PayloadObj = xpc_string_create(llvm::to_string(JSON).c_str());
23   return xpc_dictionary_create(&Key, &PayloadObj, 1);
24 }
25 
xpcToJson(const xpc_object_t & XPCObject)26 json::Value xpcToJson(const xpc_object_t &XPCObject) {
27   if (xpc_get_type(XPCObject) == XPC_TYPE_DICTIONARY) {
28     const char *const LSP = xpc_dictionary_get_string(XPCObject, "LSP");
29     auto Json = json::parse(llvm::StringRef(LSP));
30     if (Json)
31       return *Json;
32     else
33       elog("JSON parse error: {0}", toString(Json.takeError()));
34   }
35   return json::Value(nullptr);
36 }
37 
38 } // namespace clangd
39 } // namespace clang
40