internal void Add(PropertyDescriptionRoute value, bool overwrite)
{
PropertyDescriptionRouteDictionary.EnsureValue(value);
var key = PropertyRouteBuilder.ToPropertyRoute(value);
this.Add(key, value, overwrite);
}
internal static PropertyRoute ToPropertyRoute(DataGridItemPropertyRoute itemProperty)
{
if (itemProperty == null)
{
return(null);
}
return(PropertyRoute.Combine(PropertyRouteBuilder.ToSegment(itemProperty.Current), PropertyRouteBuilder.ToPropertyRoute(itemProperty.Parent)));
}
internal static PropertyRoute ToPropertyRoute(PropertyDescriptionRoute description)
{
if (description == null)
{
return(null);
}
return(PropertyRoute.Combine(PropertyRouteBuilder.ToSegment(description.Current), PropertyRouteBuilder.ToPropertyRoute(description.Parent)));
}
internal static PropertyRoute Parse(string path)
{
path = (path != null) ? path.Trim() : string.Empty;
var length = path.Length;
if (length <= 0)
{
return(null);
}
var builder = new PropertyRouteBuilder();
var state = ParserState.Start;
var index = 0;
while (index < length)
{
var c = path[index];
if (char.IsWhiteSpace(c))
{
index++;
}
else
{
switch (state)
{
case ParserState.Start:
{
switch (c)
{
case '.':
index++;
break;
default:
state = ParserState.Property;
break;
}
}
break;
case ParserState.Separator:
{
switch (c)
{
case '.':
index++;
break;
case '[':
break;
default:
{
PropertyRouteParser.AddOther(path, length, ref index, builder);
Debug.Assert(index >= length);
}
break;
}
state = ParserState.Property;
}
break;
case ParserState.Property:
{
switch (c)
{
case '[':
{
if (PropertyRouteParser.AddIndexer(path, length, ref index, builder))
{
state = ParserState.Separator;
}
else
{
PropertyRouteParser.AddOther(path, length, ref index, builder);
Debug.Assert(index >= length);
}
}
break;
default:
{
if (PropertyRouteParser.AddProperty(path, length, ref index, builder))
{
state = ParserState.Separator;
}
else
{
PropertyRouteParser.AddOther(path, length, ref index, builder);
Debug.Assert(index >= length);
}
}
break;
}
}
break;
default:
throw new NotImplementedException();
}
}
}
if (builder.IsEmpty)
{
builder.PushDescendant(PropertyRouteSegment.Self);
}
return(builder.ToPropertyRoute());
}
internal static string Parse(DataGridItemPropertyBase itemProperty)
{
return(PropertyRouteParser.Parse(PropertyRouteBuilder.ToPropertyRoute(DataGridItemPropertyRoute.Create(itemProperty))));
}
