Add cmc to card db filter model

cockatrice/src/cardfilter.cpp

@@ -31,6 +31,8 @@ const char *CardFilter::attrName(Attr a)
             return "set";
         case AttrManaCost:
             return "mana cost";
+        case AttrCmc:
+            return "cmc";
         default:
             return "";
     }

cockatrice/src/cardfilter.h

@@ -22,6 +22,7 @@ public:
         AttrText,
         AttrSet,
         AttrManaCost,
+        AttrCmc,
         AttrEnd
     };
 

cockatrice/src/filtertree.cpp

@@ -199,34 +199,31 @@ bool FilterItem::acceptManaCost(const CardInfo *info) const
     return (info->getManaCost() == term);
 }
 
+bool FilterItem::acceptCmc(const CardInfo *info) const
+{
+    return (info->getCmc() == term);
+}
+
 bool FilterItem::acceptCardAttr(const CardInfo *info, CardFilter::Attr attr) const
 {
-    bool status;
-
     switch (attr) {
         case CardFilter::AttrName:
-            status = acceptName(info);
-            break;
+            return acceptName(info);
         case CardFilter::AttrType:
-            status = acceptType(info);
-            break;
+            return acceptType(info);
         case CardFilter::AttrColor:
-            status = acceptColor(info);
-            break;
+            return acceptColor(info);
         case CardFilter::AttrText:
-            status = acceptText(info);
-            break;
+            return acceptText(info);
         case CardFilter::AttrSet:
-            status = acceptSet(info);
-            break;
+            return acceptSet(info);
         case CardFilter::AttrManaCost:
-            status = acceptManaCost(info);
-            break;
+            return acceptManaCost(info);
+        case CardFilter::AttrCmc:
+            return acceptCmc(info);
         default:
-            status = true; /* ignore this attribute */
+            return true; /* ignore this attribute */
     }
-
-    return status;
 }
 
 /* need to define these here to make QT happy, otherwise

cockatrice/src/filtertree.h

@@ -117,6 +117,7 @@ public:
     bool acceptText(const CardInfo *info) const;
     bool acceptSet(const CardInfo *info) const;
     bool acceptManaCost(const CardInfo *info) const;
+    bool acceptCmc(const CardInfo *info) const;
     bool acceptCardAttr(const CardInfo *info, CardFilter::Attr attr) const;
 };