private static MemberInfo GetMemberInfoFromIndexerToken(IndexerToken token, Type targetType)
{
PropertyInfo indexerPropertyInfo = TypeExtensions.GetIndexerPropertyInfo(targetType,
token.Arguments.Select(a => a.GetType()).ToArray());
if (indexerPropertyInfo != null)
{
return(indexerPropertyInfo.GetGetMethod());
}
return(null);
}
private static bool TryParseIndexerToken(string member, out IndexerToken token)
{
token = null;
if (!IsValidIndexer(member))
{
return(false);
}
var list = new List <object>();
list.AddRange(ExtractIndexerArguments(member).Select(ConvertIndexerArgument));
token = new IndexerToken(list);
return(true);
}
private Expression CreateIndexerAccessExpression(Expression instance, IndexerToken indexerToken)
{
return
(Expression.Dynamic(
Binder.GetIndex(CSharpBinderFlags.None, typeof(DynamicPropertyAccessExpressionBuilder),
new[]
{
CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null),
CSharpArgumentInfo.Create(
CSharpArgumentInfoFlags.UseCompileTimeType | CSharpArgumentInfoFlags.Constant,
null)
}), typeof(object), new[]
{
instance,
indexerToken.Arguments.Select(Expression.Constant).First()
}));
}
private static IEnumerable <Expression> GetIndexerArguments(IndexerToken indexerToken)
{
return(indexerToken.Arguments.Select(a => (Expression)Expression.Constant(a)));
}
