Move all network rules to new block

mobile/src/main/scala/com/github/shadowsocks/acl/Acl.scala

@@ -27,25 +27,6 @@ class Acl {
   var bypass: Boolean = _
 
   def isUrl(url: String): Boolean = url.startsWith("http://") || url.startsWith("https://")
-  def getBypassHostnamesString: String = bypassHostnames.mkString("\n")
-  def getProxyHostnamesString: String = proxyHostnames.mkString("\n")
-  def getSubnetsString: String = subnets.mkString("\n")
-  def setBypassHostnamesString(value: String) {
-    bypassHostnames.clear()
-    bypassHostnames ++= value.split("\n")
-  }
-  def setProxyHostnamesString(value: String) {
-    proxyHostnames.clear()
-    proxyHostnames ++= value.split("\n")
-  }
-  def setSubnetsString(value: String) {
-    subnets.clear()
-    subnets ++= value.split("\n").map(Subnet.fromString)
-  }
-  def setUrlRules(value: String) {
-    urls.clear()
-    urls ++= value.split("\n")
-  }
 
   def fromAcl(other: Acl): Acl = {
     bypassHostnames.clear()
@@ -70,9 +51,8 @@ class Acl {
     var hostnames: mutable.SortedList[String] = if (defaultBypass) proxyHostnames else bypassHostnames
     var subnets: mutable.SortedList[Subnet] = if (defaultBypass) proxySubnets else bypassSubnets
     var in_urls = false
-    for (line <- value.getLines()) (line.indexOf('#') match {
-       case -1 => if (!in_urls) line else ""
-       case index => {
+    for (line <- value.getLines()) (line.trim.indexOf('#') match {
+       case 0 => {
          line.indexOf("NETWORK_ACL_BEGIN") match {
            case -1 =>
            case index => in_urls = true
@@ -83,6 +63,7 @@ class Acl {
          }
          "" // ignore any comment lines
        }
+       case index => if (!in_urls) line else ""
     }).trim match {
       case "[outbound_block_list]" =>
         hostnames = null
@@ -113,15 +94,16 @@ class Acl {
     val result = new StringBuilder()
     if (urls.nonEmpty) {
       result.append(urls.mkString("\n"))
-      result.append("#NETWORK_ACL_BEGIN\n")
+      result.append("\n")
       if (network) {
+        result.append("#NETWORK_ACL_BEGIN\n")
         try {
           urls.foreach((url: String) => result.append(Source.fromURL(url).mkString))
         } catch {
           case e: IOException => // ignore
         }
+        result.append("#NETWORK_ACL_END\n")
       }
-      result.append("#NETWORK_ACL_END\n")
     }
     if (result.isEmpty) {
       result.append(if (bypass) "[bypass_all]\n" else "[proxy_all]\n")