/// <summary>
/// Invert the all of the paths in an expandToken, such that they are now in the same order as they are present in the
/// base url
/// </summary>
/// <param name="treeToInvert">the tree to invert paths on</param>
/// <returns>a new tree with all of its paths inverted</returns>
public ExpandToken NormalizePaths(ExpandToken treeToInvert)
{
// iterate through each expand term token, and reverse the tree in its path property
List <ExpandTermToken> updatedTerms = new List <ExpandTermToken>();
foreach (ExpandTermToken term in treeToInvert.ExpandTerms)
{
PathReverser pathReverser = new PathReverser();
PathSegmentToken reversedPath = term.PathToNavProp.Accept(pathReverser);
// we also need to call the select token normalizer for this level to reverse the select paths
SelectToken newSelectToken = term.SelectOption;
if (term.SelectOption != null)
{
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
newSelectToken = selectTreeNormalizer.NormalizeSelectTree(term.SelectOption);
}
ExpandToken subExpandTree;
if (term.ExpandOption != null)
{
subExpandTree = this.NormalizePaths(term.ExpandOption);
}
else
{
subExpandTree = null;
}
ExpandTermToken newTerm = new ExpandTermToken(reversedPath, term.FilterOption, term.OrderByOptions, term.TopOption, term.SkipOption, term.CountQueryOption, term.LevelsOption, term.SearchOption, newSelectToken, subExpandTree);
updatedTerms.Add(newTerm);
}
return(new ExpandToken(updatedTerms));
}
/// <summary>
/// Invert the all of the paths in an expandToken, such that they are now in the same order as they are present in the
/// base url
/// </summary>
/// <param name="treeToInvert">the tree to invert paths on</param>
/// <returns>a new tree with all of its paths inverted</returns>
public ExpandToken NormalizePaths(ExpandToken treeToInvert)
{
// iterate through each expand term token, and reverse the tree in its path property
List<ExpandTermToken> updatedTerms = new List<ExpandTermToken>();
foreach (ExpandTermToken term in treeToInvert.ExpandTerms)
{
PathReverser pathReverser = new PathReverser();
PathSegmentToken reversedPath = term.PathToNavProp.Accept(pathReverser);
// we also need to call the select token normalizer for this level to reverse the select paths
SelectToken newSelectToken = term.SelectOption;
if (term.SelectOption != null)
{
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
newSelectToken = selectTreeNormalizer.NormalizeSelectTree(term.SelectOption);
}
ExpandToken subExpandTree;
if (term.ExpandOption != null)
{
subExpandTree = this.NormalizePaths(term.ExpandOption);
}
else
{
subExpandTree = null;
}
ExpandTermToken newTerm = new ExpandTermToken(reversedPath, term.FilterOption, term.OrderByOptions, term.TopOption, term.SkipOption, term.CountQueryOption, term.LevelsOption, term.SearchOption, newSelectToken, subExpandTree);
updatedTerms.Add(newTerm);
}
return new ExpandToken(updatedTerms);
}
public void NormalizeTreeResultsInReversedPath()
{
// $select=1/2/3
NonSystemToken endPath = new NonSystemToken("3", null, new NonSystemToken("2", null, new NonSystemToken("1", null, null)));
SelectToken selectToken = new SelectToken(new NonSystemToken[]{endPath});
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
SelectToken normalizedToken = selectTreeNormalizer.NormalizeSelectTree(selectToken);
normalizedToken.Properties.Single().ShouldBeNonSystemToken("1")
.And.NextToken.ShouldBeNonSystemToken("2")
.And.NextToken.ShouldBeNonSystemToken("3");
}
public void NormalizeTreeWorksForMultipleTerms()
{
// $select=1/2/3,4/5/6
NonSystemToken endPath = new NonSystemToken("3", null, new NonSystemToken("2", null, new NonSystemToken("1", null, null)));
NonSystemToken endPath1 = new NonSystemToken("6", null, new NonSystemToken("5", null, new NonSystemToken("4", null, null)));
SelectToken selectToken = new SelectToken(new NonSystemToken[]{endPath, endPath1});
SelectTreeNormalizer selectTreeNormalizer = new SelectTreeNormalizer();
SelectToken normalizedToken = selectTreeNormalizer.NormalizeSelectTree(selectToken);
List<PathSegmentToken> tokens = normalizedToken.Properties.ToList();
tokens.Should().HaveCount(2);
tokens.ElementAt(0).ShouldBeNonSystemToken("1")
.And.NextToken.ShouldBeNonSystemToken("2")
.And.NextToken.ShouldBeNonSystemToken("3");
tokens.ElementAt(1).ShouldBeNonSystemToken("4")
.And.NextToken.ShouldBeNonSystemToken("5")
.And.NextToken.ShouldBeNonSystemToken("6");
}
