clang-tools-extra/clangd/xpc/Conversion.cpp

   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
  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
  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