private static Document FromObject(IJsonWrapper jsonData)
{
switch (jsonData.GetJsonType())
{
case JsonType.None:
return(new Document());
case JsonType.Boolean:
return(new Document(jsonData.GetBoolean()));
case JsonType.Double:
return(new Document(jsonData.GetDouble()));
case JsonType.Int:
return(new Document(jsonData.GetInt()));
case JsonType.Long:
return(new Document(jsonData.GetLong()));
case JsonType.String:
return(new Document(jsonData.GetString()));
case JsonType.Array:
return(new Document(jsonData.Values.OfType <object>().Select(FromObject).ToArray()));
case JsonType.Object:
var dictionary = new Dictionary <string, Document>();
Copy(jsonData, dictionary);
return(new Document(dictionary));
}
throw new NotSupportedException($"Couldn't convert {jsonData.GetJsonType()}");
}
public static int AsInt32(this IJsonWrapper source, int defaultValue = 0)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Int: return(source.GetInt());
case JsonType.Long: return((int)source.GetLong());
case JsonType.Double: return((int)source.GetDouble());
case JsonType.Boolean: return(source.GetBoolean() ? 1 : 0);
case JsonType.String:
int value;
if (int.TryParse(source.GetString(), out value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return(source.Count);
}
return(defaultValue);
}
public static bool AsBoolean(this IJsonWrapper source, bool defaultValue = false)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Boolean: return(source.GetBoolean());
case JsonType.Int: return(source.GetInt() != 0);
case JsonType.Long: return(source.GetLong() != 0);
case JsonType.Double: return(source.GetDouble() != 0);
case JsonType.String:
bool value;
if (bool.TryParse(source.GetString(), out value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return(source.Count > 0);
}
return(defaultValue);
}
public static sbyte AsInt8(this IJsonWrapper source, sbyte defaultValue = 0)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Int: return((sbyte)source.GetInt());
case JsonType.Long: return((sbyte)source.GetLong());
case JsonType.Double: return((sbyte)source.GetDouble());
case JsonType.Boolean: return(source.GetBoolean() ? (sbyte)1 : (sbyte)0);
case JsonType.String:
sbyte value;
if (sbyte.TryParse(source.GetString(), out value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return((sbyte)source.Count);
}
return(defaultValue);
}
public static double AsDouble(this IJsonWrapper source, double defaultValue = 0)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Double: return(source.GetDouble());
case JsonType.Int: return(source.GetInt());
case JsonType.Long: return(source.GetLong());
case JsonType.Boolean: return(source.GetBoolean() ? 1D : 0D);
case JsonType.String:
double value;
if (double.TryParse(source.GetString(), out value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return(source.Count);
}
return(defaultValue);
}
public static ulong AsUInt64(this IJsonWrapper source, ulong defaultValue = 0)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Int: return((ulong)source.GetInt());
case JsonType.Long: return((ulong)source.GetLong());
case JsonType.Double: return((ulong)source.GetDouble());
case JsonType.Boolean: return(source.GetBoolean() ? 1UL : 0UL);
case JsonType.String:
ulong value;
if (ulong.TryParse(source.GetString(), out value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return((ulong)source.Count);
}
return(defaultValue);
}
public static ushort AsUInt16(this IJsonWrapper source, ushort defaultValue = 0)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Int: return((ushort)source.GetInt());
case JsonType.Long: return((ushort)source.GetLong());
case JsonType.Double: return((ushort)source.GetDouble());
case JsonType.Boolean: return(source.GetBoolean() ? (ushort)1 : (ushort)0);
case JsonType.String:
ushort value;
if (ushort.TryParse(source.GetString(), out value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return((ushort)source.Count);
}
return(defaultValue);
}
public static float AsSingle(this IJsonWrapper source, float defaultValue = 0)
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.Double: return((float)source.GetDouble());
case JsonType.Int: return(source.GetInt());
case JsonType.Long: return(source.GetLong());
case JsonType.Boolean: return(source.GetBoolean() ? 1F : 0F);
case JsonType.String:
if (float.TryParse(source.GetString(), out float value))
{
return(value);
}
break;
case JsonType.Array:
case JsonType.Object: return(source.Count);
}
return(defaultValue);
}
private void CloneFromJsonWrapper(IJsonWrapper jsonWrapper)
{
JsonData jsonData = jsonWrapper as JsonData;
if (jsonData != null)
{
type = jsonData.type;
json = jsonData.json;
inst_boolean = jsonData.inst_boolean;
inst_double = jsonData.inst_double;
inst_int = jsonData.inst_int;
inst_long = jsonData.inst_long;
inst_string = jsonData.inst_string;
if (jsonData.inst_array != null)
{
inst_array = new List <JsonData>(jsonData.inst_array);
}
if (jsonData.inst_object != null)
{
inst_object = new Dictionary <string, JsonData>(jsonData.inst_object);
}
return;
}
type = jsonWrapper.GetJsonType();
switch (type)
{
case JsonType.Boolean: inst_boolean = jsonWrapper.GetBoolean(); break;
case JsonType.Int: inst_int = jsonWrapper.GetInt(); break;
case JsonType.Long: inst_long = jsonWrapper.GetLong(); break;
case JsonType.Double: inst_double = jsonWrapper.GetDouble(); break;
case JsonType.String: inst_string = jsonWrapper.GetString(); break;
case JsonType.Array:
SetJsonType(JsonType.Array);
foreach (object item in jsonWrapper as IList)
{
Add(item as JsonData ?? new JsonData(item));
}
break;
case JsonType.Object:
SetJsonType(JsonType.Object);
foreach (DictionaryEntry item in jsonWrapper as IDictionary)
{
this[item.Key.ToString()] = item.Value as JsonData ?? new JsonData(item.Value);
}
break;
}
}
private static void WriteJson(IJsonWrapper obj, JsonWriter writer)
{
if (obj.IsString)
{
writer.Write(obj.GetString());
}
else if (obj.IsBoolean)
{
writer.Write(obj.GetBoolean());
}
else if (obj.IsDouble)
{
writer.Write(obj.GetDouble());
}
else if (obj.IsInt)
{
writer.Write(obj.GetInt());
}
else if (obj.IsUint)
{
writer.Write(obj.GetUint());
}
else if (obj.IsLong)
{
writer.Write(obj.GetLong());
}
else if (obj.IsArray)
{
writer.WriteArrayStart();
foreach (object current in (IList)obj)
{
JsonData.WriteJson((JsonData)current, writer);
}
writer.WriteArrayEnd();
}
else if (obj.IsObject)
{
writer.WriteObjectStart();
foreach (DictionaryEntry dictionaryEntry in (IDictionary)obj)
{
writer.WritePropertyName((string)dictionaryEntry.Key);
JsonData.WriteJson((JsonData)dictionaryEntry.Value, writer);
}
writer.WriteObjectEnd();
}
else if (obj.GetJsonType() == JsonType.None)
{
//为空的情况下，也要能写一对花括号，避免格式出错。
writer.WriteObjectStart();
writer.WriteObjectEnd();
}
}
private static Document MapFromJsonObject(IJsonWrapper jsonWrapper)
{
if (null == jsonWrapper)
{
return(new Document());
}
switch (jsonWrapper.GetJsonType())
{
case JsonType.None:
return(new Document());
case JsonType.Boolean:
return(new Document(jsonWrapper.GetBoolean()));
case JsonType.Double:
return(new Document(jsonWrapper.GetDouble()));
case JsonType.Int:
return(new Document(jsonWrapper.GetInt()));
case JsonType.Long:
return(new Document(jsonWrapper.GetLong()));
case JsonType.String:
return(new Document(jsonWrapper.GetString()));
case JsonType.Array:
return(new Document((jsonWrapper as IList).Cast <IJsonWrapper>().Select(MapFromJsonObject).ToList()));
case JsonType.Object:
return(new Document(MapDictionary(jsonWrapper)));
default:
throw new ArgumentException($"Unknown JSON type: {jsonWrapper.GetJsonType()}");
}
}
public static string AsString(this IJsonWrapper source, string defaultValue = "")
{
if (source == null)
{
return(defaultValue);
}
switch (source.GetJsonType())
{
case JsonType.String: return(source.GetString());
case JsonType.Double: return(source.GetDouble().ToString());
case JsonType.Int: return(source.GetInt().ToString());
case JsonType.Long: return(source.GetLong().ToString());
case JsonType.Boolean: return(source.GetBoolean().ToString());
case JsonType.Array:
case JsonType.Object: return(source.Count.ToString());
}
return(defaultValue);
}
private static void WriteJson(IJsonWrapper wrapper, JsonWriter writer)
{
if (wrapper == null && !JsonWriter.SkipNullMember)
{
writer.Write(null);
return;
}
if (wrapper.IsString)
{
writer.Write(wrapper.GetString());
return;
}
if (wrapper.IsBoolean)
{
writer.Write(wrapper.GetBoolean());
return;
}
if (wrapper.IsDouble)
{
writer.Write(wrapper.GetDouble());
return;
}
if (wrapper.IsInt)
{
writer.Write(wrapper.GetInt());
return;
}
if (wrapper.IsFloat)
{
writer.Write(wrapper.GetFloat());
return;
}
if (wrapper.IsLong)
{
writer.Write(wrapper.GetLong());
return;
}
if (wrapper.IsArray)
{
writer.WriteArrayStart();
foreach (var elem in (IList)wrapper)
{
WriteJson((JsonData)elem, writer);
}
writer.WriteArrayEnd();
return;
}
if (wrapper.IsObject)
{
if (JsonWriter.SkipNullMember && wrapper.Count <= 0)
{
return;
}
writer.WriteObjectStart();
foreach (DictionaryEntry entry in (IDictionary)wrapper)
{
if (JsonWriter.SkipNullMember)
{
var type = ((JsonData)entry.Value).GetJsonType();
if (type == JsonType.None)
{
continue;
}
if (type == JsonType.Array && ((IList)entry.Value).Count <= 0)
{
continue;
}
}
writer.WritePropertyName((string)entry.Key);
WriteJson((JsonData)entry.Value, writer);
}
writer.WriteObjectEnd();
return;
}
if (wrapper.GetJsonType() == JsonType.None)
{
writer.WriteObjectStart();
writer.WriteObjectEnd();
}
}
private static void WriteJson(IJsonWrapper wrapper, JsonWriter writer)
{
if (wrapper == null)
{
writer.Write(null);
return;
}
if (wrapper.IsString)
{
writer.Write(wrapper.GetString());
return;
}
if (wrapper.IsBoolean)
{
writer.Write(wrapper.GetBoolean());
return;
}
if (wrapper.IsDouble)
{
writer.Write(wrapper.GetDouble());
return;
}
if (wrapper.IsInt)
{
writer.Write(wrapper.GetInt());
return;
}
if (wrapper.IsLong)
{
writer.Write(wrapper.GetLong());
return;
}
if (wrapper.IsArray)
{
writer.WriteArrayStart();
foreach (object elem in (IList)wrapper)
{
WriteJson((JsonData)elem, writer);
}
writer.WriteArrayEnd();
return;
}
if (wrapper.IsObject)
{
if (((IDictionary)wrapper).Count <= 0)
{
return;
}
writer.WriteObjectStart();
foreach (DictionaryEntry entry in ((IDictionary)wrapper))
{
//TODO: ignore null entry
var data = (JsonData)entry.Value;
var type = data.GetJsonType();
if (type == JsonType.None)
{
continue;
}
if (type == JsonType.Array && ((IList)entry.Value).Count <= 0)
{
continue;
}
writer.WritePropertyName((string)entry.Key);
WriteJson(data, writer);
}
writer.WriteObjectEnd();
return;
}
if (wrapper.GetJsonType() == JsonType.None)
{
writer.WriteObjectStart();
writer.WriteObjectEnd();
return;
}
}