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1 using System;
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2
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3 [assembly: CLSCompliant(true)]
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4
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5 namespace BLToolkit.Common
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6 {
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7 public class TypeHelper
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8 {
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9 public static bool IsSameOrParent(Type type,Type type1)
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10 {
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11 return true;
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12 }
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13 }
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14
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15 public interface IConvertible<T,P>
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16 {
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17 T From(P p);
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18 }
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19
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20 public static partial class Convert<T,P>
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21 {
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22 public static IConvertible<T,P> Instance = GetConverter();
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23
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24 private static IConvertible<T,P> GetConverter()
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25 {
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26 if (TypeHelper.IsSameOrParent(typeof(T), typeof(P)))
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27 {
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28 return (IConvertible<T,P>)(object)(new ConvertAssignable<P,P>());
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29 }
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30
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31 return new ConvertExplicit<T,P>();
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32 }
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33 }
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34
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35 internal class ConvertAssignable<T,P>: IConvertible<T,P> where P: T
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36 {
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37 T IConvertible<T,P>.From(P p) { return p; }
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38 }
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39
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40 internal class ConvertDefault<T,P>: IConvertible<T,P>
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41 {
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42 T IConvertible<T,P>.From(P p) { return (T)System.Convert.ChangeType(p, typeof(T)); }
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43 }
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44
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45 internal partial class ConvertPartial<T,P>: ConvertDefault<T,P>
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46 {
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47 }
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48
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49 internal partial class ConvertExplicit<T,P>: ConvertPartial<T,P>
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50 {
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51 }
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52 }
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53
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54 namespace BLToolkit.Properties
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55 {
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56 public class Resources
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57 {
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58 public const string Convert_InvalidCast = "{0} {1}";
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59 }
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60 } |
