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// Licensed to the Apache Software Foundation(ASF) under one
// or more contributor license agreements.See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
using Thrift.Protocol.Entities;
namespace Thrift.Protocol.Utilities
{
// ReSharper disable once InconsistentNaming
public static class TJSONProtocolHelper
{
public static byte[] GetTypeNameForTypeId(TType typeId)
{
switch (typeId)
{
case TType.Bool:
return TJSONProtocolConstants.TypeNames.NameBool;
case TType.Byte:
return TJSONProtocolConstants.TypeNames.NameByte;
case TType.I16:
return TJSONProtocolConstants.TypeNames.NameI16;
case TType.I32:
return TJSONProtocolConstants.TypeNames.NameI32;
case TType.I64:
return TJSONProtocolConstants.TypeNames.NameI64;
case TType.Double:
return TJSONProtocolConstants.TypeNames.NameDouble;
case TType.String:
return TJSONProtocolConstants.TypeNames.NameString;
case TType.Struct:
return TJSONProtocolConstants.TypeNames.NameStruct;
case TType.Map:
return TJSONProtocolConstants.TypeNames.NameMap;
case TType.Set:
return TJSONProtocolConstants.TypeNames.NameSet;
case TType.List:
return TJSONProtocolConstants.TypeNames.NameList;
default:
throw new TProtocolException(TProtocolException.NOT_IMPLEMENTED, "Unrecognized exType");
}
}
public static TType GetTypeIdForTypeName(byte[] name)
{
var result = TType.Stop;
if (name.Length > 1)
{
switch (name[0])
{
case (byte) 'd':
result = TType.Double;
break;
case (byte) 'i':
switch (name[1])
{
case (byte) '8':
result = TType.Byte;
break;
case (byte) '1':
result = TType.I16;
break;
case (byte) '3':
result = TType.I32;
break;
case (byte) '6':
result = TType.I64;
break;
}
break;
case (byte) 'l':
result = TType.List;
break;
case (byte) 'm':
result = TType.Map;
break;
case (byte) 'r':
result = TType.Struct;
break;
case (byte) 's':
if (name[1] == (byte) 't')
{
result = TType.String;
}
else if (name[1] == (byte) 'e')
{
result = TType.Set;
}
break;
case (byte) 't':
result = TType.Bool;
break;
}
}
if (result == TType.Stop)
{
throw new TProtocolException(TProtocolException.NOT_IMPLEMENTED, "Unrecognized exType");
}
return result;
}
/// <summary>
/// Return true if the given byte could be a valid part of a JSON number.
/// </summary>
public static bool IsJsonNumeric(byte b)
{
switch (b)
{
case (byte)'+':
case (byte)'-':
case (byte)'.':
case (byte)'0':
case (byte)'1':
case (byte)'2':
case (byte)'3':
case (byte)'4':
case (byte)'5':
case (byte)'6':
case (byte)'7':
case (byte)'8':
case (byte)'9':
case (byte)'E':
case (byte)'e':
return true;
default:
return false;
}
}
/// <summary>
/// Convert a byte containing a hex char ('0'-'9' or 'a'-'f') into its
/// corresponding hex value
/// </summary>
public static byte ToHexVal(byte ch)
{
if (ch >= '0' && ch <= '9')
{
return (byte)((char)ch - '0');
}
if (ch >= 'a' && ch <= 'f')
{
ch += 10;
return (byte)((char)ch - 'a');
}
throw new TProtocolException(TProtocolException.INVALID_DATA, "Expected hex character");
}
/// <summary>
/// Convert a byte containing a hex value to its corresponding hex character
/// </summary>
public static byte ToHexChar(byte val)
{
val &= 0x0F;
if (val < 10)
{
return (byte)((char)val + '0');
}
val -= 10;
return (byte)((char)val + 'a');
}
}
}
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