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#region copyright
//------------------------------------------------------------------------------
// 此代码版权声明为全文件覆盖,如有原作者特别声明,会在下方手动补充
// 此代码版权除特别声明外的代码归作者本人Diego所有
// 源代码使用协议遵循本仓库的开源协议及附加协议
// Gitee源代码仓库https://gitee.com/diego2098/ThingsGateway
// Github源代码仓库https://github.com/kimdiego2098/ThingsGateway
// 使用文档https://diego2098.gitee.io/thingsgateway-docs/
// QQ群605534569
//------------------------------------------------------------------------------
#endregion
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Opc.Ua;
using System.Collections;
using System.IO;
using System.Linq;
using System.Xml;
namespace ThingsGateway.Foundation.Adapter.OPCUA;
/// <summary>
/// 扩展方法
/// </summary>
public static class JsonUtils
{
#region Decode
/// <summary>
/// 解析获取DataValue
/// </summary>
/// <returns></returns>
public static DataValue Decode(
IServiceMessageContext Context,
NodeId dataTypeId,
BuiltInType builtInType,
int valueRank,
JToken json
)
{
var data = DecoderObject(Context, dataTypeId, builtInType, valueRank, json);
var dataValue = new DataValue(new Variant(data));
return dataValue;
}
/// <summary>
/// 解析获取object
/// </summary>
/// <returns></returns>
public static object DecoderObject(
IServiceMessageContext Context,
NodeId dataTypeId,
BuiltInType builtInType,
int valueRank,
JToken json
)
{
object newData;
switch (builtInType)
{
case BuiltInType.ExtensionObject:
newData = new
{
Value = new
{
TypeId = new { Id = dataTypeId.Identifier, Namespace = dataTypeId.NamespaceIndex },
Body = json
}
}.ToJson();
break;
case BuiltInType.Variant:
var type = TypeInfo.GetDataTypeId(GetSystemType(json.Type));
newData = new
{
Value = new
{
Type = type.Identifier,
Body = json
}
}.ToJson();
break;
default:
newData = new
{
Value = json
}.ToJson();
break;
}
using var decoder = new JsonDecoder(newData.ToString(), Context);
var data = DecodeRawData(decoder, builtInType, valueRank, "Value");
return data;
}
/// <summary>
/// DecodeRawData
/// </summary>
/// <returns></returns>
private static object DecodeRawData(JsonDecoder decoder, BuiltInType builtInType, int ValueRank, string fieldName)
{
if (builtInType != 0)
{
if (ValueRank == ValueRanks.Scalar)
{
switch (builtInType)
{
case BuiltInType.Null: { var variant = decoder.ReadVariant(fieldName); return variant.Value; }
case BuiltInType.Boolean: { return decoder.ReadBoolean(fieldName); }
case BuiltInType.SByte: { return decoder.ReadSByte(fieldName); }
case BuiltInType.Byte: { return decoder.ReadByte(fieldName); }
case BuiltInType.Int16: { return decoder.ReadInt16(fieldName); }
case BuiltInType.UInt16: { return decoder.ReadUInt16(fieldName); }
case BuiltInType.Int32: { return decoder.ReadInt32(fieldName); }
case BuiltInType.UInt32: { return decoder.ReadUInt32(fieldName); }
case BuiltInType.Int64: { return decoder.ReadInt64(fieldName); }
case BuiltInType.UInt64: { return decoder.ReadUInt64(fieldName); }
case BuiltInType.Float: { return decoder.ReadFloat(fieldName); }
case BuiltInType.Double: { return decoder.ReadDouble(fieldName); }
case BuiltInType.String: { return decoder.ReadField(fieldName, out var token) ? token?.ToString() : null; }
case BuiltInType.DateTime: { return decoder.ReadDateTime(fieldName); }
case BuiltInType.Guid: { return decoder.ReadGuid(fieldName); }
case BuiltInType.ByteString: { return decoder.ReadByteString(fieldName); }
case BuiltInType.XmlElement: { return decoder.ReadXmlElement(fieldName); }
case BuiltInType.NodeId: { return decoder.ReadNodeId(fieldName); }
case BuiltInType.ExpandedNodeId: { return decoder.ReadExpandedNodeId(fieldName); }
case BuiltInType.StatusCode: { return decoder.ReadStatusCode(fieldName); }
case BuiltInType.QualifiedName: { return decoder.ReadQualifiedName(fieldName); }
case BuiltInType.LocalizedText: { return decoder.ReadLocalizedText(fieldName); }
case BuiltInType.ExtensionObject: { return decoder.ReadExtensionObject(fieldName); }
case BuiltInType.DataValue: { return decoder.ReadDataValue(fieldName); }
case BuiltInType.Enumeration:
{
Type type = TypeInfo.GetSystemType(builtInType, ValueRank);
return type.IsEnum ? decoder.ReadEnumerated(fieldName, type) : decoder.ReadInt32(fieldName);
}
case BuiltInType.DiagnosticInfo: { return decoder.ReadDiagnosticInfo(fieldName); }
case BuiltInType.Variant: { return decoder.ReadVariant(fieldName); }
}
}
if (ValueRank >= ValueRanks.OneDimension)
{
return decoder.ReadArray(fieldName, ValueRank, builtInType);
}
}
return null;
}
#endregion
#region Encode
/// <summary>
/// OPCUAValue解析为Jtoken
/// </summary>
/// <param name="Context"></param>
/// <param name="type"></param>
/// <param name="value"></param>
/// <returns></returns>
public static JToken Encode(
IServiceMessageContext Context,
BuiltInType type,
object value
)
{
//对于IntegerInt64Number等会转化为string JValue
using var encoder = CreateEncoder(Context, null, false);
Encode(encoder, type, "Value", value, null);
var textbuffer = encoder.CloseAndReturnText();
using var stringReader = new StringReader(textbuffer);
using var jsonReader = new JsonTextReader(stringReader);
var jToken = JToken.Load(jsonReader);
return jToken["Value"];
}
private static void Encode(JsonEncoder encoder, BuiltInType builtInType, string fieldName, object value, ByteBlock byteBlock)
{
bool isArray = (value?.GetType().IsArray ?? false) && (builtInType != BuiltInType.ByteString);
bool isCollection = (value is IList) && (builtInType != BuiltInType.ByteString);
if (!isArray && !isCollection)
{
switch (builtInType)
{
case BuiltInType.Null: { encoder.WriteVariant(fieldName, new Variant(value)); return; }
//case BuiltInType.Boolean: { encoder.WriteBoolean(fieldName, (bool)value); return; }
//case BuiltInType.SByte: { encoder.WriteSByte(fieldName, (sbyte)value); return; }
//case BuiltInType.Byte: { encoder.WriteByte(fieldName, (byte)value); return; }
//case BuiltInType.Int16: { encoder.WriteInt16(fieldName, (short)value); return; }
//case BuiltInType.UInt16: { encoder.WriteUInt16(fieldName, (ushort)value); return; }
//case BuiltInType.Int32: { encoder.WriteInt32(fieldName, (int)value); return; }
//case BuiltInType.UInt32: { encoder.WriteUInt32(fieldName, (uint)value); return; }
//case BuiltInType.Int64: { encoder.WriteInt64(fieldName, (long)value); return; }
//case BuiltInType.UInt64: { encoder.WriteUInt64(fieldName, (ulong)value); return; }
//case BuiltInType.Float: { encoder.WriteFloat(fieldName, (float)value); return; }
//case BuiltInType.Double: { encoder.WriteDouble(fieldName, (double)value); return; }
//case BuiltInType.Integer: { encoder.WriteInt64(fieldName, (long)value); return; }
//case BuiltInType.Number: { encoder.WriteInt64(fieldName, (long)value); return; }
//case BuiltInType.UInteger: { encoder.WriteUInt64(fieldName, (ulong)value); return; }
//case BuiltInType.String: { encoder.WriteString(fieldName, value?.ToString()); return; }
//case BuiltInType.DateTime: { encoder.WriteDateTime(fieldName, (DateTime)value); return; }
case BuiltInType.Boolean:
{
encoder.WriteBoolean(fieldName, Convert.ToBoolean(value));
return;
}
case BuiltInType.SByte:
{
encoder.WriteSByte(fieldName, Convert.ToSByte(value));
return;
}
case BuiltInType.Byte:
{
encoder.WriteByte(fieldName, Convert.ToByte(value));
return;
}
case BuiltInType.Int16:
{
encoder.WriteInt16(fieldName, Convert.ToInt16(value));
return;
}
case BuiltInType.UInt16:
{
encoder.WriteUInt16(fieldName, Convert.ToUInt16(value));
return;
}
case BuiltInType.Int32:
{
encoder.WriteInt32(fieldName, Convert.ToInt32(value));
return;
}
case BuiltInType.UInt32:
{
encoder.WriteUInt32(fieldName, Convert.ToUInt32(value));
return;
}
case BuiltInType.Int64:
{
encoder.WriteInt64(fieldName, Convert.ToInt64(value));
return;
}
case BuiltInType.UInt64:
{
encoder.WriteUInt64(fieldName, Convert.ToUInt64(value));
return;
}
case BuiltInType.Float:
{
encoder.WriteFloat(fieldName, Convert.ToSingle(value));
return;
}
case BuiltInType.Double:
{
encoder.WriteDouble(fieldName, Convert.ToDouble(value));
return;
}
case BuiltInType.Integer:
{
encoder.WriteInt64(fieldName, Convert.ToInt64(value));
return;
}
case BuiltInType.Number:
{
encoder.WriteInt64(fieldName, Convert.ToInt64(value));
return;
}
case BuiltInType.UInteger:
{
encoder.WriteUInt64(fieldName, Convert.ToUInt64(value));
return;
}
case BuiltInType.String:
{
encoder.WriteString(fieldName, Convert.ToString(value));
return;
}
case BuiltInType.DateTime:
{
encoder.WriteDateTime(fieldName, Convert.ToDateTime(value));
return;
}
case BuiltInType.Guid: { encoder.WriteGuid(fieldName, (Uuid)value); return; }
case BuiltInType.ByteString: { encoder.WriteByteString(fieldName, (byte[])value); return; }
case BuiltInType.XmlElement: { encoder.WriteXmlElement(fieldName, (XmlElement)value); return; }
case BuiltInType.NodeId: { encoder.WriteNodeId(fieldName, (NodeId)value); return; }
case BuiltInType.ExpandedNodeId: { encoder.WriteExpandedNodeId(fieldName, (ExpandedNodeId)value); return; }
case BuiltInType.StatusCode: { encoder.WriteStatusCode(fieldName, (StatusCode)value); return; }
case BuiltInType.QualifiedName: { encoder.WriteQualifiedName(fieldName, (QualifiedName)value); return; }
case BuiltInType.LocalizedText: { encoder.WriteLocalizedText(fieldName, (LocalizedText)value); return; }
case BuiltInType.ExtensionObject: { encoder.WriteExtensionObject(fieldName, (ExtensionObject)value); return; }
case BuiltInType.DataValue: { encoder.WriteDataValue(fieldName, (DataValue)value); return; }
case BuiltInType.Enumeration:
{
if (value?.GetType().IsEnum == true)
{
encoder.WriteEnumerated(fieldName, (Enum)value);
}
else
{
encoder.WriteEnumerated(fieldName, (Enumeration)value);
}
return;
}
case BuiltInType.Variant: { encoder.WriteVariant(fieldName, new Variant(value)); return; }
case BuiltInType.DiagnosticInfo: { encoder.WriteDiagnosticInfo(fieldName, (DiagnosticInfo)value); return; }
//case BuiltInType.Boolean:
//case BuiltInType.SByte:
//case BuiltInType.Byte:
//case BuiltInType.Int16:
//case BuiltInType.UInt16:
//case BuiltInType.Int32:
//case BuiltInType.UInt32:
//case BuiltInType.Int64:
//case BuiltInType.UInt64:
//case BuiltInType.Float:
//case BuiltInType.Double:
//case BuiltInType.String:
//case BuiltInType.Number:
//case BuiltInType.Integer:
//case BuiltInType.UInteger:
// { encoder.WriteString(fieldName, value?.ToString()); return; }
}
}
else
{
Array c = value as Array;
encoder.WriteArray(fieldName, c, c.Rank, builtInType);
}
}
/// <summary>
/// CreateEncoder
/// </summary>
/// <returns></returns>
private static JsonEncoder CreateEncoder(
IServiceMessageContext context,
Stream stream,
bool useReversibleEncoding = false,
bool topLevelIsArray = false,
bool includeDefaultValues = true,
bool includeDefaultNumbers = true
)
{
return new JsonEncoder(context, useReversibleEncoding, topLevelIsArray, stream)
{
IncludeDefaultValues = includeDefaultValues,
IncludeDefaultNumberValues = includeDefaultNumbers
};
}
#endregion
#region json
/// <summary>
/// 维度
/// </summary>
/// <param name="jToken"></param>
/// <returns></returns>
public static int CalculateActualValueRank(this JToken jToken)
{
if (jToken.Type != JTokenType.Array)
return -1;
var jArray = jToken.ToArray();
int numDimensions = 1;
while (jArray.GetElementsType() == JTokenType.Array)
{
jArray = jArray.Children().ToArray();
numDimensions++;
}
return numDimensions;
}
private static JTokenType GetElementsType(this JToken[] jTokens)
{
if (!jTokens.ElementsHasSameType())
throw new Exception("The array sent must have the same type of element in each dimension");
return jTokens.First().Type;
}
private static bool ElementsHasSameType(this JToken[] jTokens)
{
var checkType = jTokens[0].Type == JTokenType.Integer ? JTokenType.Float : jTokens[0].Type;
return jTokens
.Select(x => (x.Type == JTokenType.Integer) ? JTokenType.Float : x.Type)
.All(t => t == checkType);
}
private static Type GetSystemType(JTokenType jsonType)
{
return jsonType switch
{
JTokenType.None => typeof(string),
JTokenType.Object => typeof(string),
JTokenType.Array => typeof(Array),
JTokenType.Constructor => typeof(string),
JTokenType.Property => typeof(string),
JTokenType.Comment => typeof(string),
JTokenType.Integer => typeof(long),
JTokenType.Float => typeof(float),
JTokenType.String => typeof(string),
JTokenType.Boolean => typeof(bool),
JTokenType.Null => typeof(string),
JTokenType.Undefined => typeof(string),
JTokenType.Date => typeof(DateTime),
JTokenType.Raw => typeof(string),
JTokenType.Bytes => typeof(byte[]),
JTokenType.Guid => typeof(Guid),
JTokenType.Uri => typeof(Uri),
JTokenType.TimeSpan => typeof(TimeSpan),
_ => null,
};
}
#endregion
}