/// <summary>
/// Binds a <see cref="SyntacticTree"/>.
/// </summary>
/// <param name="syntax">The query descriptor token to bind.</param>
/// <returns>The bound query descriptor.</returns>
public ODataUri BindTree(SyntacticTree syntax)
{
ExceptionUtils.CheckArgumentNotNull(syntax, "syntax");
ExceptionUtils.CheckArgumentNotNull(syntax.Path, "syntax.Path");
// Make a copy of query options since we may consume some of them as we bind the query
bindingState.QueryOptions = new List <CustomQueryOptionToken>(syntax.QueryOptions);
ParameterAliasValueAccessor parameterAliasValueAccessor = new ParameterAliasValueAccessor(syntax.ParameterAliases);
ODataPath path = null;
FilterClause filter = null;
OrderByClause orderBy = null;
long? skip = null;
long? top = null;
SelectExpandClause selectExpand = null;
bool? count = null;
// set parameterAliasValueAccessor for uri path, $filter, $orderby
this.bindingState.Configuration.ParameterAliasValueAccessor = parameterAliasValueAccessor;
// First bind the path
path = ODataPathFactory.BindPath(syntax.Path, this.bindingState.Configuration);
// If the path leads to a collection, then create a range variable that represents iterating over the collection
var rangeVariable = NodeFactory.CreateImplicitRangeVariable(path);
if (rangeVariable != null)
{
this.bindingState.RangeVariables.Push(rangeVariable);
}
if (syntax.Filter != null || syntax.OrderByTokens.Any())
{
this.bindingState.ImplicitRangeVariable = this.bindingState.RangeVariables.Peek();
}
// Apply filter first, then order-by, skip, top, select and expand
filter = BindFilter(syntax, rangeVariable);
orderBy = BindOrderBy(syntax, rangeVariable, path);
skip = BindSkip(syntax, rangeVariable, path);
top = BindTop(syntax, rangeVariable, path);
selectExpand = BindSelectExpand(syntax, path, this.bindingState.Configuration);
count = BindQueryCount(syntax, path);
// Add the remaining query options to the query descriptor.
List <QueryNode> boundQueryOptions = MetadataBinder.ProcessQueryOptions(this.bindingState, this.bindMethod);
Debug.Assert(bindingState.QueryOptions == null, "this.queryOptions == null");
bindingState.RangeVariables.Pop();
bindingState.ImplicitRangeVariable = null;
return(new ODataUri(parameterAliasValueAccessor, path, boundQueryOptions, selectExpand, filter, orderBy, skip, top, count));
}
