better parser code

debomatic-webui/lib/parser.coffee

 path = require('path')
 
-Parser = ->
-    args = process.argv[2..]
+class Parser
+    constructor: ->
+        @args = process.argv[2..]
+        @name = process.argv[1].split("/").pop()
+        if '-h' in @args
+            @help()
 
-    help = ->
+    help: ->
         console.log """
                     Usage: %s [-c config]
                        -h print this help
                        -c set user configuration file
-                    """, process.argv[1].split("/").pop()
+                    """, @name
         process.exit 1
         return
 
-    @getUserConfig = ->
-        if '-c' in args
-            if args.length < 2
-                help()
-            user_config = args[args.indexOf('-c') + 1]
+    getUserConfig: ->
+        if '-c' in @args
+            if @args.length < 2
+                @help()
+            user_config = @args[@args.indexOf('-c') + 1]
             if user_config[0] isnt '/'
                 user_config = process.cwd() + "/" + user_config
             return path.normalize(user_config)
         return null
 
-    if '-h' in args
-        help()
-
 module.exports = Parser