/// <summary>
/// return buffer is from memory pool, be careful to use.
/// </summary>
internal static ArraySegment <byte> FromJsonUnsafe(TextReader reader)
{
var offset = 0;
byte[] binary = InternalMemoryPool.GetBuffer(); // from memory pool.
using (var jr = new TinyJsonReader(reader, false))
{
FromJsonCore(jr, ref binary, ref offset);
}
return(new ArraySegment <byte>(binary, 0, offset));
}
/// <summary>
/// From Json String to Jetsons.MsgPack binary
/// </summary>
public static byte[] FromJson(TextReader reader)
{
var offset = 0;
byte[] binary = null;
using (var jr = new TinyJsonReader(reader, false))
{
FromJsonCore(jr, ref binary, ref offset);
}
MessagePackBinary.FastResize(ref binary, offset);
return(binary);
}
static uint FromJsonCore(TinyJsonReader jr, ref byte[] binary, ref int offset)
{
uint count = 0;
while (jr.Read())
{
switch (jr.TokenType)
{
case TinyJsonToken.None:
break;
case TinyJsonToken.StartObject:
{
var startOffset = offset;
offset += 5;
var mapCount = FromJsonCore(jr, ref binary, ref offset);
mapCount = mapCount / 2; // remove propertyname string count.
MessagePackBinary.WriteMapHeaderForceMap32Block(ref binary, startOffset, mapCount);
count++;
break;
}
case TinyJsonToken.EndObject:
return(count); // break
case TinyJsonToken.StartArray:
{
var startOffset = offset;
offset += 5;
var arrayCount = FromJsonCore(jr, ref binary, ref offset);
MessagePackBinary.WriteArrayHeaderForceArray32Block(ref binary, startOffset, arrayCount);
count++;
break;
}
case TinyJsonToken.EndArray:
return(count); // break
case TinyJsonToken.Number:
var v = jr.ValueType;
if (v == ValueType.Double)
{
offset += MessagePackBinary.WriteDouble(ref binary, offset, jr.DoubleValue);
}
else if (v == ValueType.Long)
{
offset += MessagePackBinary.WriteInt64(ref binary, offset, jr.LongValue);
}
else if (v == ValueType.ULong)
{
offset += MessagePackBinary.WriteUInt64(ref binary, offset, jr.ULongValue);
}
else if (v == ValueType.Decimal)
{
offset += DecimalFormatter.Instance.Serialize(ref binary, offset, jr.DecimalValue, null);
}
count++;
break;
case TinyJsonToken.String:
offset += MessagePackBinary.WriteString(ref binary, offset, jr.StringValue);
count++;
break;
case TinyJsonToken.True:
offset += MessagePackBinary.WriteBoolean(ref binary, offset, true);
count++;
break;
case TinyJsonToken.False:
offset += MessagePackBinary.WriteBoolean(ref binary, offset, false);
count++;
break;
case TinyJsonToken.Null:
offset += MessagePackBinary.WriteNil(ref binary, offset);
count++;
break;
default:
break;
}
}
return(count);
}
