private static Expression NewExpr(this Type baseType, Type ifInterfaceType)
{
var newExpr = baseType.IsInterface()
? Expression.New(
ifInterfaceType.MakeGenericType(ElementTypeHelper.GetElementTypes(baseType,
ElementTypeFlags.BreakKeyValuePair)))
: DelegateFactory.GenerateConstructorExpression(baseType);
return(newExpr);
}
public static Expression MapKeyPairValueExpr(IConfigurationProvider configurationProvider, ProfileMap profileMap, Type sourceType, Type destType, Expression contextParam, out ParameterExpression itemParam)
{
var sourceElementTypes = ElementTypeHelper.GetElementTypes(sourceType, ElementTypeFlags.BreakKeyValuePair);
var destElementTypes = ElementTypeHelper.GetElementTypes(destType, ElementTypeFlags.BreakKeyValuePair);
var typePairKey = new TypePair(sourceElementTypes[0], destElementTypes[0]);
var typePairValue = new TypePair(sourceElementTypes[1], destElementTypes[1]);
var sourceElementType = typeof(KeyValuePair <,>).MakeGenericType(sourceElementTypes);
itemParam = Expression.Parameter(sourceElementType, "item");
var destElementType = typeof(KeyValuePair <,>).MakeGenericType(destElementTypes);
var keyExpr = ExpressionBuilder.MapExpression(configurationProvider, profileMap, typePairKey,
Expression.Property(itemParam, "Key"), contextParam);
var valueExpr = ExpressionBuilder.MapExpression(configurationProvider, profileMap, typePairValue,
Expression.Property(itemParam, "Value"), contextParam);
var keyPair = Expression.New(destElementType.GetDeclaredConstructors().First(), keyExpr, valueExpr);
return(keyPair);
}
