add parser for weaken effect

src/magic/model/event/MagicPermanentActivation.java

@@ -104,7 +104,7 @@ public abstract class MagicPermanentActivation extends MagicActivation<MagicPerm
         final String effect = text.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicPermanentActivation(

src/magic/model/event/MagicRuleEventAction.java

@@ -24,6 +24,7 @@ import magic.model.target.MagicDestroyTargetPicker;
 import magic.model.target.MagicExileTargetPicker;
 import magic.model.target.MagicDamageTargetPicker;
 import magic.model.target.MagicPumpTargetPicker;
+import magic.model.target.MagicWeakenTargetPicker;
 import magic.model.choice.MagicTargetChoice;
 import magic.model.choice.MagicChoice;
 
@@ -161,13 +162,32 @@ public enum MagicRuleEventAction {
             };
         }
     },
+    Weaken(
+        "(?<choice>[^\\.]*) gets (?<pt>[0-9-]+/[0-9-]+) until end of turn.", 
+        MagicTargetHint.Negative, 
+        null, 
+        MagicTiming.Removal, 
+        "Weaken", 
+        null
+    ) {
+        public MagicEventAction getAction(final String rule) {
+            return Pump.getAction(rule);
+        }
+        public MagicTargetPicker<?> getPicker(final String rule) {
+            final Matcher matcher = matched(rule);
+            final String[] args = matcher.group("pt").replace('+','0').split("/");
+            final int p = -Integer.parseInt(args[0]);
+            final int t = -Integer.parseInt(args[1]);
+            return new MagicWeakenTargetPicker(p, t);
+        }
+    },
     ;
 
     private final Pattern pattern;
     private final MagicTargetHint hint;
     private final MagicEventAction action;
+    private final MagicTargetPicker<?> picker;
     
-    public final MagicTargetPicker<?> picker;
     public final MagicTiming timing;
     public final String description;
     
@@ -194,6 +214,10 @@ public enum MagicRuleEventAction {
         return pattern.matcher(rule).matches();
     }
     
+    public MagicTargetPicker<?> getPicker(final String rule) {
+        return picker;
+    }
+    
     public MagicEventAction getAction(final String rule) {
         return action;
     }

src/magic/model/event/MagicSpellCardEvent.java

@@ -19,7 +19,7 @@ public abstract class MagicSpellCardEvent implements MagicCardEvent,MagicEventAc
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicSpellCardEvent() {

src/magic/model/target/MagicWeakenTargetPicker.java

@@ -17,7 +17,7 @@ public class MagicWeakenTargetPicker extends MagicTargetPicker<MagicPermanent> {
     public MagicWeakenTargetPicker(final int amountPower,final int amountToughness) {
         this.amountToughness=amountToughness;
     }
-
+    
     public MagicWeakenTargetPicker create(final String arg) {
         final String[] args = arg.replace('+','0').split("/");
         final int p = -Integer.parseInt(args[0]);

src/magic/model/trigger/MagicWhenComesIntoPlayTrigger.java

@@ -38,7 +38,7 @@ public abstract class MagicWhenComesIntoPlayTrigger extends MagicTrigger<MagicPa
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicWhenComesIntoPlayTrigger() {
@@ -65,7 +65,7 @@ public abstract class MagicWhenComesIntoPlayTrigger extends MagicTrigger<MagicPa
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicWhenComesIntoPlayTrigger() {

src/magic/model/trigger/MagicWhenDiesTrigger.java

@@ -32,7 +32,7 @@ public abstract class MagicWhenDiesTrigger extends MagicWhenPutIntoGraveyardTrig
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicWhenDiesTrigger() {
@@ -59,7 +59,7 @@ public abstract class MagicWhenDiesTrigger extends MagicWhenPutIntoGraveyardTrig
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicWhenDiesTrigger() {

src/magic/model/trigger/MagicWhenLeavesPlayTrigger.java

@@ -37,7 +37,7 @@ public abstract class MagicWhenLeavesPlayTrigger extends MagicTrigger<MagicRemov
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicWhenLeavesPlayTrigger() {
@@ -64,7 +64,7 @@ public abstract class MagicWhenLeavesPlayTrigger extends MagicTrigger<MagicRemov
         final String effect = rule.toLowerCase();
         final MagicRuleEventAction ruleAction = MagicRuleEventAction.build(effect);
         final MagicEventAction action  = ruleAction.getAction(effect);
-        final MagicTargetPicker<?> picker = ruleAction.picker;
+        final MagicTargetPicker<?> picker = ruleAction.getPicker(effect);
         final MagicChoice choice = ruleAction.getChoice(effect);
 
         return new MagicWhenLeavesPlayTrigger() {