Add tag list.filter

Incredible list-handling power!
DenizenScript · Oct 23, 2014 · be6a41b · be6a41b
1 parent 5d98f5b
commit be6a41b
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/src/main/java/net/aufdemrand/denizen/objects/dList.java b/src/main/java/net/aufdemrand/denizen/objects/dList.java
@@ -968,6 +968,30 @@ else if (res > 0)
             return new dList(list).getAttribute(attribute.fulfill(1));
         }
 
+        // <--[tag]
+        // @attribute <li@list.filter[<tag>]>
+        // @returns dList
+        // @description
+        // returns a copy of the list with all its contents parsed through the given tag and only including ones that returned 'true'.
+        // For example, a list of '1|2|3|4|5' .filter[is[or_more].than[3]] returns a list of '3|4|5'.
+        // -->
+        if (attribute.startsWith("filter")
+                && attribute.hasContext(1)) {
+            dList newlist = new dList();
+            try {
+                for (String str: this) {
+                    if (ObjectFetcher.pickObjectFor(str).getAttribute(new Attribute(attribute.getContext(1),
+                            attribute.getScriptEntry())).equalsIgnoreCase("true")) {
+                        newlist.add(str);
+                    }
+                }
+            }
+            catch (Exception ex) {
+                dB.echoError(ex);
+            }
+            return newlist.getAttribute(attribute.fulfill(1));
+        }
+
         // <--[tag]
         // @attribute <li@list.parse[<tag>]>
         // @returns dList