Common: add file serialization/deserialization functions for JSON

1 files changed, 28 insertions, 0 deletions

diff --git a/Source/Core/Common/JsonUtil.cpp b/Source/Core/Common/JsonUtil.cpp
index 3e842c5c18..fa9b8a73c9 100644
--- a/Source/Core/Common/JsonUtil.cpp
+++ b/Source/Core/Common/JsonUtil.cpp
@@ -3,6 +3,10 @@
 
 #include "Common/JsonUtil.h"
 
+#include <fstream>
+
+#include "Common/FileUtil.h"
+
 picojson::object ToJsonObject(const Common::Vec3& vec)
 {
   picojson::object obj;
@@ -38,3 +42,27 @@ std::optional<bool> ReadBoolFromJson(const picojson::object& obj, const std::str
     return std::nullopt;
   return it->second.get<bool>();
 }
+
+bool JsonToFile(const std::string& filename, const picojson::value& root, bool prettify)
+{
+  std::ofstream json_stream;
+  File::OpenFStream(json_stream, filename, std::ios_base::out);
+  if (!json_stream.is_open())
+  {
+    return false;
+  }
+  json_stream << root.serialize(prettify);
+  return true;
+}
+
+bool JsonFromFile(const std::string& filename, picojson::value* root, std::string* error)
+{
+  std::string json_data;
+  if (!File::ReadFileToString(filename, json_data))
+  {
+    return false;
+  }
+
+  *error = picojson::parse(*root, json_data);
+  return error->empty();
+}