84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
using System;
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using System.Reflection;
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namespace System.Runtime.Serialization
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{
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static class CodeInterpreter
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{
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internal static object ConvertValue(object arg, Type source, Type target)
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{
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return InternalConvert(arg, source, target, false);
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}
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static bool CanConvert (TypeCode typeCode)
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{
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switch (typeCode)
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{
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case TypeCode.Boolean:
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case TypeCode.Char:
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case TypeCode.SByte:
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case TypeCode.Byte:
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case TypeCode.Int16:
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case TypeCode.UInt16:
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case TypeCode.Int32:
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case TypeCode.UInt32:
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case TypeCode.Int64:
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case TypeCode.UInt64:
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case TypeCode.Single:
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case TypeCode.Double:
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return true;
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}
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return false;
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}
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static object InternalConvert(object arg, Type source, Type target, bool isAddress)
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{
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if (target == source)
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return arg;
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if (target.IsValueType)
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{
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if (source.IsValueType)
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{
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if (!CanConvert (Type.GetTypeCode (target)))
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.NoConversionPossibleTo, DataContract.GetClrTypeFullName(target))));
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else
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return target;
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}
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else if (source.IsAssignableFrom(target))
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return arg;
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else
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.IsNotAssignableFrom, DataContract.GetClrTypeFullName(target), DataContract.GetClrTypeFullName(source))));
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}
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else if (target.IsAssignableFrom(source))
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return arg;
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else if (source.IsAssignableFrom(target))
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return arg;
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else if (target.IsInterface || source.IsInterface)
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return arg;
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else
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throw System.Runtime.Serialization.DiagnosticUtility.ExceptionUtility.ThrowHelperError(XmlObjectSerializer.CreateSerializationException(SR.GetString(SR.IsNotAssignableFrom, DataContract.GetClrTypeFullName(target), DataContract.GetClrTypeFullName(source))));
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}
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public static object GetMember (MemberInfo memberInfo, object instance)
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{
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var pi = memberInfo as PropertyInfo;
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if (pi != null)
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return pi.GetValue (instance);
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else
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return ((FieldInfo) memberInfo).GetValue (instance);
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}
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public static void SetMember (MemberInfo memberInfo, object instance, object value)
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{
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var pi = memberInfo as PropertyInfo;
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if (pi != null)
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pi.SetValue (instance, value);
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else
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((FieldInfo) memberInfo).SetValue (instance, value);
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}
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}
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}
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