private SortedList <Int32, MemberBuilder <T> > GetMembers()
{
var result = new SortedList <Int32, MemberBuilder <T> >();
var order = 0;
foreach (var memberInfo in typeof(T).GetMembers().Where(ShouldReadMember))
{
MemberBuilder <T> builder;
if (!_memberBuilders.ContainsKey(memberInfo))
{
if (memberInfo.IsArray())
{
throw new InvalidMappingException(string.Format("Array member '{0}' can't be configured automatically.", memberInfo));
}
// TODO: add check for default ctor existance
builder = MemberBuilder <T> .Create(memberInfo);
}
else
{
builder = _memberBuilders[memberInfo];
}
if (builder != null)
{
result.Add(builder.Order != 0 ? builder.Order : order, builder);
order++;
}
}
return(result);
}
protected override Expression BuildBodyExpression(ExpressionBuilderArgs args, ParameterExpression innerResultVar, ParameterExpression typeVar)
{
var elementType = typeof(TElement);
//IExpressionBuilder typeBuilder = FileFormatBuilder.Types[elementType];
var iVar = Expression.Variable(typeof(int), "i");
var elementVar = Expression.Variable(elementType, "iterator");
var loopEndLabel = Expression.Label();
var elementBuilder = MemberBuilder <TMember, TElement> .Create("[i]");
if (_elementBuilderConfiguration != null)
{
_elementBuilderConfiguration(elementBuilder);
}
var innerArgs = args.Clone();
innerArgs.InstanceVar = innerResultVar;
return(Expression.Block(
new[] { iVar, elementVar },
Expression.Assign(iVar, Expression.Constant(0)),
AdvancedExpression.Debug("Reading collection {0}...", Expression.Constant(MemberName)),
Expression.Loop(
Expression.IfThenElse(
GetLoopCondition(args, innerResultVar, iVar, elementVar),
Expression.Block(
AdvancedExpression.Debug("Reading {0}[{1}]...", Expression.Constant(MemberName), iVar),
Expression.Assign(elementVar, elementBuilder.BuildExpression(innerArgs)),
/*
* Expression.Assign(elementVar, elementCtor),
* typeBuilder.BuildExpression(brParameter, elementVar, typeReaders),
*/
InsertElement(args, innerResultVar, iVar, elementVar),
Expression.PostIncrementAssign(iVar)),
Expression.Break(loopEndLabel)),
loopEndLabel)));
}
