32 lines
1.5 KiB
C#
32 lines
1.5 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.KeyValuePair)]
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internal class KeyValuePairBuild : 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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Type keyType = type.GetGenericArguments()[0];
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Type valueType = type.GetGenericArguments()[1];
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Expression[] methodCall = new Expression[7];
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methodCall[0] = ExpressionMembers.IsIgnoreSelfRefernce(instanceArg, ExpressionMembers.RefernceByEmptyType.Dictionary);
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methodCall[1] = ExpressionMembers.Append("{");
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MemberExpression key = Expression.MakeMemberAccess(instanceArg, typeof(KeyValuePair<,>).MakeGenericType(keyType, valueType).GetProperty("Key"));
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MemberExpression value = Expression.MakeMemberAccess(instanceArg, typeof(KeyValuePair<,>).MakeGenericType(keyType, valueType).GetProperty("Value"));
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methodCall[2] = ExpressionMembers.WriteKeyValuePairKey(keyType, key);
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methodCall[3] = ExpressionMembers.GetMethodCall(valueType, value);
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methodCall[4] = ExpressionMembers.Append("}");
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methodCall[5] = ExpressionMembers.IsReferenceLoopHandlingIsNoneSerializeStacksArgPop;
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methodCall[6] = Expression.Label(ExpressionMembers.ReturnLable);
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return Expression.Block(methodCall);
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}
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}
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}
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