22 lines
799 B
C#
22 lines
799 B
C#
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using System;
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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.Lazy)]
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internal class LazyBuild : 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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Expression orginal = ExpressionMembers.GetMethodCall(type.GetGenericArguments()[0], Expression.MakeMemberAccess(instanceArg, type.GetProperty("Value")));
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return Expression.IfThenElse(
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Expression.Equal(instanceArg, Expression.Constant(null,type)),
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ExpressionMembers.Append("null")
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,
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//para.value
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orginal
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);
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}
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}
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}
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