public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap, PropertyMap propertyMap, Expression sourceExpression, Expression destExpression, Expression contextExpression)
{
var listType = typeof(List <>).MakeGenericType(TypeHelper.GetElementType(destExpression.Type));
var list = CollectionMapperExtensions.MapCollectionExpression(configurationProvider, profileMap, propertyMap, sourceExpression, Default(listType), contextExpression, _ => Constant(false), typeof(List <>), CollectionMapperExtensions.MapItemExpr);
var dest = Variable(listType, "dest");
return(Block(new[] { dest }, Assign(dest, list), Condition(NotEqual(dest, Default(listType)), New(destExpression.Type.GetConstructors().First(), dest), Default(destExpression.Type))));
}
public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap, PropertyMap propertyMap, Expression sourceExpression, Expression destExpression, Expression contextExpression)
{
if (destExpression.Type.IsInterface())
{
var listType = typeof(List <>).MakeGenericType(TypeHelper.GetElementType(destExpression.Type));
destExpression = Default(listType);
}
return(CollectionMapperExtensions.MapCollectionExpression(configurationProvider, profileMap, propertyMap, sourceExpression,
destExpression, contextExpression, IfEditableList, typeof(List <>), CollectionMapperExtensions.MapItemExpr));
}
public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap, PropertyMap propertyMap, Expression sourceExpression, Expression destExpression, Expression contextExpression)
{
var sourceElementType = TypeHelper.GetElementType(sourceExpression.Type);
var destElementType = TypeHelper.GetElementType(destExpression.Type);
var ifNullExpr = profileMap.AllowNullCollections
? (Expression)Constant(null, destExpression.Type)
: NewArrayBounds(destElementType, Constant(0));
ParameterExpression itemParam;
var itemExpr = CollectionMapperExtensions.MapItemExpr(configurationProvider, profileMap, propertyMap, sourceExpression.Type, destExpression.Type, contextExpression, out itemParam);
//var count = source.Count();
//var array = new TDestination[count];
//int i = 0;
//foreach (var item in source)
// array[i++] = newItemFunc(item, context);
//return array;
var countParam = Parameter(typeof(int), "count");
var arrayParam = Parameter(ifNullExpr.Type, "destinationArray");
var indexParam = Parameter(typeof(int), "destinationArrayIndex");
var actions = new List <Expression>();
var parameters = new List <ParameterExpression> {
countParam, arrayParam, indexParam
};
var countMethod = typeof(Enumerable)
.GetTypeInfo()
.DeclaredMethods
.Single(mi => mi.Name == "Count" && mi.GetParameters().Length == 1)
.MakeGenericMethod(sourceElementType);
actions.Add(Assign(countParam, Call(countMethod, sourceExpression)));
actions.Add(Assign(arrayParam, NewArrayBounds(destElementType, countParam)));
actions.Add(Assign(indexParam, Constant(0)));
actions.Add(ForEach(sourceExpression, itemParam,
Assign(ArrayAccess(arrayParam, PostIncrementAssign(indexParam)), itemExpr)
));
actions.Add(arrayParam);
var mapExpr = Block(parameters, actions);
// return (source == null) ? ifNullExpr : Map<TSourceElement, TDestElement>(source, context);
return(Condition(Equal(sourceExpression, Constant(null)), ifNullExpr, mapExpr));
}
public Expression MapExpression(TypeMapRegistry typeMapRegistry, IConfigurationProvider configurationProvider, PropertyMap propertyMap, Expression sourceExpression, Expression destExpression, Expression contextExpression)
{
return(Expression.Call(null, MapMethodInfo.MakeGenericMethod(sourceExpression.Type, destExpression.Type), sourceExpression, Expression.Constant(CollectionMapperExtensions.Constructor(destExpression.Type))));
}
public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap, PropertyMap propertyMap, Expression sourceExpression, Expression destExpression, Expression contextExpression)
=>
CollectionMapperExtensions.MapCollectionExpression(configurationProvider, profileMap, propertyMap,
Call(MembersDictionaryMethodInfo, sourceExpression, Constant(profileMap)), destExpression, contextExpression, _ => null,
typeof(Dictionary <,>), CollectionMapperExtensions.MapKeyPairValueExpr);
public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap, PropertyMap propertyMap, Expression sourceExpression, Expression destExpression, Expression contextExpression)
=>
CollectionMapperExtensions.MapCollectionExpression(configurationProvider, profileMap, propertyMap, sourceExpression, destExpression,
contextExpression, CollectionMapperExtensions.IfNotNull, typeof(Dictionary <,>), CollectionMapperExtensions.MapItemExpr);
