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Current := Current.Next_Route;
end loop;
-- Add before the
when EXT_MATCH =>
while Current /= null loop
if not (Current.all in Path_Node_Type'Class)
and then not (Current.all in Param_Node_Type'Class)
and then not (Current.all in EL_Node_Type'Class)
then
exit;
end if;
Previous := Current;
Current := Current.Next_Route;
end loop;
when WILDCARD_MATCH =>
while Current /= null loop
Previous := Current;
Current := Current.Next_Route;
end loop;
when others =>
null;
end case;
if Previous /= null then
Node.Next_Route := Previous.Next_Route;
Previous.Next_Route := Node;
else
Node.Next_Route := Parent.Children;
Parent.Children := Node;
end if;
end Insert;
-- ------------------------------
-- Add a route associated with the given path pattern. The pattern is split into components.
-- Some path components can be a fixed string (/home) and others can be variable.
-- When a path component is variable, the value can be retrieved from the route context.
-- Once the route path is created, the <tt>Process</tt> procedure is called with the route
-- reference.
-- ------------------------------
procedure Add_Route (Router : in out Router_Type;
Pattern : in String;
ELContext : in EL.Contexts.ELContext'Class;
Process : not null access procedure (Route : in out Route_Type_Ref)) is
First : Natural := Pattern'First;
Pos : Natural;
Node : Route_Node_Access := Router.Route.Children;
Match : Route_Match_Type := NO_MATCH;
New_Path : Path_Node_Access;
Parent : Route_Node_Access := Router.Route'Unchecked_Access;
Parent2 : Route_Node_Access;
Found : Boolean;
begin
Log.Info ("Adding route {0}", Pattern);
loop
-- Ignore consecutive '/'.
while First <= Pattern'Last and then Pattern (First) = '/' loop
First := First + 1;
end loop;
-- Find the path component's end.
Pos := Util.Strings.Index (Pattern, '/', First);
if Pos = 0 then
Pos := Pattern'Last;
else
Pos := Pos - 1;
end if;
if First > Pattern'Last then
Found := False;
-- Find an exact match for this component.
while Node /= null loop
if Node.all in Path_Node_Type'Class then
Match := Node.Matches (Pattern (First .. Pos), Pos = Pattern'Last);
if Match = YES_MATCH then
Parent := Node;
Node := Node.Children;
Found := True;
exit;
end if;
end if;
Node := Node.Next_Route;
end loop;
-- Add a path node matching the component at beginning of the children list.
-- (before the Param_Node and EL_Node instances if any).
if not Found then
New_Path := new Path_Node_Type (Len => 0);
Insert (Parent, New_Path.all'Access, YES_MATCH);
Parent := Parent.Children;
end if;
elsif Pattern (First) = '#' then
declare
E : EL_Node_Access;
begin
Found := False;
-- Find the EL_Node that have the same EL expression.