/// <summary>
/// Parses the segments of a path in the select clause.
/// </summary>
/// <param name="segments">The segments of the select path.</param>
/// <param name="index">The index of the segment to parse.</param>
private void ParsePathSegment(string[] segments, int index)
{
Debug.Assert(segments != null, "segments != null");
Debug.Assert(index >= 0 && index < segments.Length, "index >= 0 && index < segments.Length");
// NOTE: Each path is the name of a property or a series of property names
// separated by slash ('/'). The special star ('*') character is only supported at the end of a path.
string currentSegment = segments[index].Trim();
if (this.selectedProperties == null)
{
this.selectedProperties = CreateSelectedPropertiesHashSet();
}
bool isStar = string.CompareOrdinal(ProjectedPropertiesAnnotation.StarSegment, currentSegment) == 0;
bool isLastSegment = index == segments.Length - 1;
if (!isLastSegment)
{
if (isStar)
{
throw new ODataException(ODataErrorStrings.SelectedPropertiesNode_StarSegmentNotLastSegment);
}
SelectedPropertiesNode childNode = this.EnsureChildAnnotation(currentSegment);
childNode.ParsePathSegment(segments, index + 1);
}
else
{
this.selectedProperties.Add(currentSegment);
}
this.hasWildcard |= isStar;
}
