DRSS

commit 829bc01209e57ceac2d2e2182266293b612d3c2a
parent 2ef75f9bb2de3c3b93bd7a46067f892ae0fa47e8
Author: Dominik Schmidt <das1993@hotmail.com>
Date:   Sat,  1 Aug 2015 12:31:51 +0200

Check max_entries when update()ing

Diffstat:
drss/rss.d
 | 
24
++++++++++++++++++++++--

1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/drss/rss.d b/drss/rss.d
@@ -60,16 +60,36 @@ abstract class DRSS(T=Entry){
 		}
 	}
 	
-	final void update(){
-		ubyte document[]=fetch();
+	final bool update(ubyte document[]=null){
+		if(document is null){
+			document=fetch();
+		}
 		new_entries=0;
 		parse(cast(string)document);
+		if(new_entries>max_entries){
+			max_entries=new_entries+2;
+		}
+		if(entry_count>max_entries){
+			removeOldEntries();
+		}
+		return (new_entries>0);
 	}
 	
 	@property size_t length(){
 		return entry_count;
 	}
 	
+	private void removeOldEntries(){
+		auto r=entries[];
+		auto i=max_entries;
+		while(i-->0 && !r.empty){
+			r.popFront();
+		}
+		if(!r.empty){
+			entries.linearRemove(r);
+		}
+	}
+	
 	public ubyte[] fetch(){
 		debug(RSS) writeln("Updateing");
 		auto h=HTTP();