Add classBits func

Increase version to 2.0

Author: mulot

Base.lproj/MainMenu.xib

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17506" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
+<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="17701" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
     <dependencies>
         <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17506"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="17701"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
     </dependencies>
     <objects>
@@ -471,7 +471,7 @@
                                             <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                             <clipView key="contentView" id="L0l-HJ-flz">
                                                 <rect key="frame" x="1" y="1" width="567" height="485"/>
-                                                <autoresizingMask key="autoresizingMask"/>
+                                                <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                                                 <subviews>
                                                     <tableView verticalHuggingPriority="750" allowsExpansionToolTips="YES" columnSelection="YES" multipleSelection="NO" autosaveColumns="NO" headerView="583" id="586">
                                                         <rect key="frame" x="0.0" y="0.0" width="567" height="462"/>

IPSubnetcalc.swift

@@ -373,6 +373,21 @@ class IPSubnetCalc: NSObject {
         return (bits)
     }
 
+    func classBits() -> Int {
+        let classType = self.netClass()
+    
+        if (classType == "A") {
+           return (Constants.classAbits)
+        }
+        else if (classType == "B") {
+            return (Constants.classBbits)
+        }
+        else if (classType == "C") {
+            return (Constants.classCbits)
+        }
+        return (32)
+    }
+    
     static func maskBits(maskAddr: String) -> Int {
         var bits: Int = 0
 

SubnetCalc-Info.plist

@@ -15,7 +15,7 @@
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
-	<string>1.7</string>
+	<string>2.0</string>
 	<key>CFBundleSignature</key>
 	<string>JMUL</string>
 	<key>CFBundleVersion</key>