public static PropertyPath <TValue> Create <TValue>(Expression <Func <TValue> > propertyExpression)
{
var path = PropertyPathVisitor.GetPath(propertyExpression);
var propertyInfos = path.Cast <PropertyInfo>().ToArray();
var parts = new PathProperty[propertyInfos.Length];
PathProperty previous = null;
for (int i = 0; i < propertyInfos.Length; i++)
{
var propertyInfo = propertyInfos[i];
var item = new PathProperty(previous, propertyInfo);
parts[i] = item;
previous = item;
}
var constants = ConstantVisitor.GetConstants(propertyExpression);
if (!constants.Any())
{
throw new ArgumentException("Expression contains no constants", nameof(propertyExpression));
}
//valuePath.Source = source;
var source = constants.Last().Value;
var propertyPath = new PropertyPath(parts);
return(new PropertyPath <TValue>(propertyPath, source));
}
public static PropertyPath <TSource, TValue> Create <TSource, TValue>(Expression <Func <TSource, TValue> > propertyExpression)
{
var path = PropertyPathVisitor.GetPath(propertyExpression);
var propertyInfos = path.Cast <PropertyInfo>().ToArray();
var parts = new PathProperty[propertyInfos.Length];
PathProperty previous = null;
for (int i = 0; i < propertyInfos.Length; i++)
{
var propertyInfo = propertyInfos[i];
var item = new PathProperty(previous, propertyInfo);
parts[i] = item;
previous = item;
}
return(new PropertyPath <TSource, TValue>(new PropertyPath(parts)));
}