sync with upstream

1 files changed, 92 insertions, 0 deletions

diff --git a/xbmc/utils/JSONVariantWriter.cpp b/xbmc/utils/JSONVariantWriter.cpp
new file mode 100644
index 0000000..b48a8ae
--- /dev/null
+++ b/xbmc/utils/JSONVariantWriter.cpp
@@ -0,0 +1,92 @@
+/*
+ *  Copyright (C) 2015-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "JSONVariantWriter.h"
+
+#include "utils/Variant.h"
+
+#include <rapidjson/prettywriter.h>
+#include <rapidjson/stringbuffer.h>
+#include <rapidjson/writer.h>
+
+template<class TWriter>
+bool InternalWrite(TWriter& writer, const CVariant &value)
+{
+  switch (value.type())
+  {
+  case CVariant::VariantTypeInteger:
+    return writer.Int64(value.asInteger());
+
+  case CVariant::VariantTypeUnsignedInteger:
+    return writer.Uint64(value.asUnsignedInteger());
+
+  case CVariant::VariantTypeDouble:
+    return writer.Double(value.asDouble());
+
+  case CVariant::VariantTypeBoolean:
+    return writer.Bool(value.asBoolean());
+
+  case CVariant::VariantTypeString:
+    return writer.String(value.c_str(), value.size());
+
+  case CVariant::VariantTypeArray:
+    if (!writer.StartArray())
+      return false;
+
+    for (CVariant::const_iterator_array itr = value.begin_array(); itr != value.end_array(); ++itr)
+    {
+      if (!InternalWrite(writer, *itr))
+        return false;
+    }
+
+    return writer.EndArray(value.size());
+
+  case CVariant::VariantTypeObject:
+    if (!writer.StartObject())
+      return false;
+
+    for (CVariant::const_iterator_map itr = value.begin_map(); itr != value.end_map(); ++itr)
+    {
+      if (!writer.Key(itr->first.c_str()) ||
+        !InternalWrite(writer, itr->second))
+        return false;
+    }
+
+    return writer.EndObject(value.size());
+
+  case CVariant::VariantTypeConstNull:
+  case CVariant::VariantTypeNull:
+  default:
+    return writer.Null();
+  }
+
+  return false;
+}
+
+bool CJSONVariantWriter::Write(const CVariant &value, std::string& output, bool compact)
+{
+  rapidjson::StringBuffer stringBuffer;
+  if (compact)
+  {
+    rapidjson::Writer<rapidjson::StringBuffer> writer(stringBuffer);
+
+    if (!InternalWrite(writer, value) || !writer.IsComplete())
+      return false;
+  }
+  else
+  {
+    rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(stringBuffer);
+    writer.SetIndent('\t', 1);
+
+    if (!InternalWrite(writer, value) || !writer.IsComplete())
+      return false;
+  }
+
+  output = stringBuffer.GetString();
+  return true;
+}