25 lines
1.0 KiB
C#
25 lines
1.0 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq.Expressions;
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namespace CPF.Windows.Json.Serializer
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{
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[ExpressionBuildType(SerializerBuildTypeEnum.WrongGenericKey)]
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internal class WrongGenericKeyBuild : ExpressionJsonFormatter
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{
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internal static Expression Build(Type type, ParameterExpression instanceArg)
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{
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List<Expression> expressions = new List<Expression>();
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if (!type.IsValueType)
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expressions.Add(Expression.IfThen(
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Expression.Equal(instanceArg, Expression.Constant(null,type)),
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Expression.Block(ExpressionMembers.Append("null"),
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Expression.Return(ExpressionMembers.ReturnLable)
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)));
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expressions.Add(ExpressionMembers.Append("{}"));
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expressions.Add(Expression.Label(ExpressionMembers.ReturnLable));
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return Expression.Block(expressions);
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}
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}
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}
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