apewer-dotnet/Apewer/Externals/Newtonsoft.Json-11.0.1/DefaultValueHandling.cs

#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion

using System;
using System.ComponentModel;

namespace Newtonsoft.Json
{
    /// <summary>
    /// Specifies default value handling options for the <see cref="JsonSerializer"/>.
    /// </summary>
    /// <example>
    ///   <code lang="cs" source="..\Src\Newtonsoft.Json.Tests\Documentation\SerializationTests.cs" region="ReducingSerializedJsonSizeDefaultValueHandlingObject" title="DefaultValueHandling Class" />
    ///   <code lang="cs" source="..\Src\Newtonsoft.Json.Tests\Documentation\SerializationTests.cs" region="ReducingSerializedJsonSizeDefaultValueHandlingExample" title="DefaultValueHandling Ignore Example" />
    /// </example>
    [Flags]
    internal enum DefaultValueHandling
    {
        /// <summary>
        /// Include members where the member value is the same as the member's default value when serializing objects.
        /// Included members are written to JSON. Has no effect when deserializing.
        /// </summary>
        Include = 0,

        /// <summary>
        /// Ignore members where the member value is the same as the member's default value when serializing objects
        /// so that it is not written to JSON.
        /// This option will ignore all default values (e.g. <c>null</c> for objects and nullable types; <c>0</c> for integers,
        /// decimals and floating point numbers; and <c>false</c> for booleans). The default value ignored can be changed by
        /// placing the <see cref="DefaultValueAttribute"/> on the property.
        /// </summary>
        Ignore = 1,

        /// <summary>
        /// Members with a default value but no JSON will be set to their default value when deserializing.
        /// </summary>
        Populate = 2,

        /// <summary>
        /// Ignore members where the member value is the same as the member's default value when serializing objects
        /// and set members to their default value when deserializing.
        /// </summary>
        IgnoreAndPopulate = Ignore | Populate
    }
}