Sanitization for number values such as RSSI and CINR

sanitize.coffee

@@ -0,0 +1,19 @@
+FLOAT_REGEX = /^([\-\+]?[0-9\.]+)/
+
+extractFloat = (numStr) ->
+  res = FLOAT_REGEX.exec(numStr)
+  if res != null
+    parseFloat(res[1])
+  else
+    null
+
+exports.sanitize = (path, value) ->
+  switch path
+    when 'InternetGatewayDevice.WiMAX.Status.RSSI'
+      extractFloat(value)
+    when 'InternetGatewayDevice.WiMAX.Status.CINR1'
+      extractFloat(value)
+    when 'InternetGatewayDevice.WiMAX.Status.CINR2'
+      extractFloat(value)
+    else
+      undefined