public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap,
PropertyMap propertyMap, Expression sourceExpression, Expression destExpression,
Expression contextExpression) =>
TypeMapPlanBuilder.MapExpression(configurationProvider, profileMap,
new TypePair(Nullable.GetUnderlyingType(sourceExpression.Type), destExpression.Type),
Property(sourceExpression, sourceExpression.Type.GetDeclaredProperty("Value")),
contextExpression,
propertyMap,
destExpression
);
public Expression CreateExpression(TypeMapPlanBuilder builder)
{
var valueResolverExpression = ResolveSource(builder.Source, builder.Context);
var sourceType = valueResolverExpression.Type;
var resolvedValue = Variable(sourceType, "resolvedValue");
return(Block(new[] { resolvedValue },
Assign(resolvedValue, valueResolverExpression),
builder.MapExpression(new TypePair(sourceType, DestinationType), resolvedValue)));
}
internal static Expression MapItemExpr(this TypeMapRegistry typeMapRegistry, IConfigurationProvider configurationProvider,
PropertyMap propertyMap, Type sourceType, Type destType, ParameterExpression itemParam, Expression contextParam)
{
var sourceElementType = TypeHelper.GetElementType(sourceType);
var destElementType = TypeHelper.GetElementType(destType);
var typePair = new TypePair(sourceElementType, destElementType);
var itemExpr = TypeMapPlanBuilder.MapExpression(typeMapRegistry, configurationProvider, typePair, itemParam, contextParam, propertyMap);
return(itemExpr);
}
internal static Expression MapItemExpr(this IConfigurationProvider configurationProvider, ProfileMap profileMap,
PropertyMap propertyMap, Type sourceType, Type destType, Expression contextParam, out ParameterExpression itemParam)
{
var sourceElementType = TypeHelper.GetElementType(sourceType);
var destElementType = TypeHelper.GetElementType(destType);
itemParam = Parameter(sourceElementType, "item");
var typePair = new TypePair(sourceElementType, destElementType);
var itemExpr = TypeMapPlanBuilder.MapExpression(configurationProvider, profileMap, typePair, itemParam, contextParam, propertyMap);
return ToType(itemExpr, destElementType);
}
public Expression MapExpression(IConfigurationProvider configurationProvider, ProfileMap profileMap,
PropertyMap propertyMap, Expression sourceExpression, Expression destExpression,
Expression contextExpression) =>
Condition(
Property(sourceExpression, sourceExpression.Type.GetDeclaredProperty("HasValue")),
TypeMapPlanBuilder.MapExpression(configurationProvider, profileMap,
new TypePair(Nullable.GetUnderlyingType(sourceExpression.Type), destExpression.Type),
Property(sourceExpression, sourceExpression.Type.GetDeclaredProperty("Value")),
contextExpression,
propertyMap,
destExpression
),
DelegateFactory.GenerateConstructorExpression(destExpression.Type, profileMap)
);
internal static Expression MapKeyPairValueExpr(this TypeMapRegistry typeMapRegistry, IConfigurationProvider configurationProvider,
PropertyMap propertyMap, Type sourceType, Type destType, ParameterExpression itemParam, Expression contextParam)
{
var sourceElementTypes = TypeHelper.GetElementTypes(sourceType, ElemntTypeFlags.BreakKeyValuePair);
var destElementTypes = TypeHelper.GetElementTypes(destType, ElemntTypeFlags.BreakKeyValuePair);
var typePairKey = new TypePair(sourceElementTypes[0], destElementTypes[0]);
var typePairValue = new TypePair(sourceElementTypes[1], destElementTypes[1]);
var sourceElementType = TypeHelper.GetElementType(sourceType);
var destElementType = TypeHelper.GetElementType(destType);
var keyExpr = TypeMapPlanBuilder.MapExpression(typeMapRegistry, configurationProvider, typePairKey, Expression.Property(itemParam, "Key"), contextParam, propertyMap);
var valueExpr = TypeMapPlanBuilder.MapExpression(typeMapRegistry, configurationProvider, typePairValue, Expression.Property(itemParam, "Value"), contextParam, propertyMap);
var keyPair = Expression.New(destElementType.GetConstructors().First(), keyExpr, valueExpr);
return(keyPair);
}
internal static Expression MapKeyPairValueExpr(this IConfigurationProvider configurationProvider,
ProfileMap profileMap, PropertyMap propertyMap, Type sourceType, Type destType, Expression contextParam, out ParameterExpression itemParam)
{
var sourceElementTypes = TypeHelper.GetElementTypes(sourceType, ElementTypeFlags.BreakKeyValuePair);
var destElementTypes = TypeHelper.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 = Parameter(sourceElementType, "item");
var destElementType = typeof(KeyValuePair<,>).MakeGenericType(destElementTypes);
var keyExpr = TypeMapPlanBuilder.MapExpression(configurationProvider, profileMap, typePairKey, Property(itemParam, "Key"), contextParam, propertyMap);
var valueExpr = TypeMapPlanBuilder.MapExpression(configurationProvider, profileMap, typePairValue, Property(itemParam, "Value"), contextParam, propertyMap);
var keyPair = New(destElementType.GetConstructors().First(), keyExpr, valueExpr);
return keyPair;
}
