--- a/backends/kiibohd.py	Fri Feb 20 23:43:33 2015 -0800
+++ b/backends/kiibohd.py	Sat Feb 21 21:45:20 2015 -0800
@@ -30,45 +30,12 @@
 sys.path.append( os.path.expanduser('..') )
 
 from kll_lib.containers import *
-
-
-### Decorators ###
-
- ## Print Decorator Variables
-ERROR = '\033[5;1;31mERROR\033[0m:'
-WARNING = '\033[5;1;33mWARNING\033[0m:'
-
+from kll_lib.backends import *
 
 
 ### Classes ###
 
-class Backend:
-	# Initializes backend
-	# Looks for template file and builds list of fill tags
-	def __init__( self, templatePath, definesTemplatePath ):
-		# Does template exist?
-		if not os.path.isfile( templatePath ):
-			print ( "{0} '{1}' does not exist...".format( ERROR, templatePath ) )
-			sys.exit( 1 )
-
-		self.definesTemplatePath = definesTemplatePath
-		self.templatePath = templatePath
-		self.fill_dict = dict()
-
-		# Generate list of fill tags
-		self.tagList = []
-		with open( templatePath, 'r' ) as openFile:
-			for line in openFile:
-				match = re.findall( '<\|([^|>]+)\|>', line )
-				for item in match:
-					self.tagList.append( item )
-		with open( definesTemplatePath, 'r' ) as openFile:
-			for line in openFile:
-				match = re.findall( '<\|([^|>]+)\|>', line )
-				for item in match:
-					self.tagList.append( item )
-
-
+class Backend( BackendBase ):
 	# USB Code Capability Name
 	def usbCodeCapability( self ):
 		return "usbKeyOut";
@@ -338,40 +305,3 @@
 		## Layer State ##
 		self.fill_dict['LayerState'] = "uint8_t LayerState[ LayerNum ];"
 
-
-	# Generates the output keymap with fill tags filled
-	def generate( self, outputPath, definesOutputPath ):
-		# Process each line of the template, outputting to the target path
-		with open( outputPath, 'w' ) as outputFile:
-			with open( self.templatePath, 'r' ) as templateFile:
-				for line in templateFile:
-					# TODO Support multiple replacements per line
-					# TODO Support replacement with other text inline
-					match = re.findall( '<\|([^|>]+)\|>', line )
-
-					# If match, replace with processed variable
-					if match:
-						outputFile.write( self.fill_dict[ match[ 0 ] ] )
-						outputFile.write("\n")
-
-					# Otherwise, just append template to output file
-					else:
-						outputFile.write( line )
-
-		# Process each line of the defines template, outputting to the target path
-		with open( definesOutputPath, 'w' ) as outputFile:
-			with open( self.definesTemplatePath, 'r' ) as templateFile:
-				for line in templateFile:
-					# TODO Support multiple replacements per line
-					# TODO Support replacement with other text inline
-					match = re.findall( '<\|([^|>]+)\|>', line )
-
-					# If match, replace with processed variable
-					if match:
-						outputFile.write( self.fill_dict[ match[ 0 ] ] )
-						outputFile.write("\n")
-
-					# Otherwise, just append template to output file
-					else:
-						outputFile.write( line )
-

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kll_lib/backends.py	Sat Feb 21 21:45:20 2015 -0800
@@ -0,0 +1,112 @@
+#!/usr/bin/env python3
+# KLL Compiler - Kiibohd Backend
+#
+# Backend code generator classes
+#
+# Copyright (C) 2015 by Jacob Alexander
+#
+# This file is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This file is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this file.  If not, see <http://www.gnu.org/licenses/>.
+
+### Imports ###
+
+import os
+import sys
+import re
+
+
+### Decorators ###
+
+ ## Print Decorator Variables
+ERROR = '\033[5;1;31mERROR\033[0m:'
+WARNING = '\033[5;1;33mWARNING\033[0m:'
+
+
+
+### Classes ###
+
+class BackendBase:
+	# Initializes backend
+	# Looks for template file and builds list of fill tags
+	def __init__( self, templatePath, definesTemplatePath ):
+		# Does template exist?
+		if not os.path.isfile( templatePath ):
+			print ( "{0} '{1}' does not exist...".format( ERROR, templatePath ) )
+			sys.exit( 1 )
+
+		self.definesTemplatePath = definesTemplatePath
+		self.templatePath = templatePath
+		self.fill_dict = dict()
+
+		# Generate list of fill tags
+		self.tagList = []
+		with open( templatePath, 'r' ) as openFile:
+			for line in openFile:
+				match = re.findall( '<\|([^|>]+)\|>', line )
+				for item in match:
+					self.tagList.append( item )
+		with open( definesTemplatePath, 'r' ) as openFile:
+			for line in openFile:
+				match = re.findall( '<\|([^|>]+)\|>', line )
+				for item in match:
+					self.tagList.append( item )
+
+
+	# USB Code Capability Name
+	# XXX Make sure to override
+	def usbCodeCapability( self ):
+		return "my_capability";
+
+
+	# Processes content for fill tags and does any needed dataset calculations
+	def process( self, capabilities, macros, variables, gitRev, gitChanges ):
+		print ( "{0} BackendBase 'process' function must be overridden".format( ERROR ) )
+		sys.exit( 2 )
+
+
+	# Generates the output keymap with fill tags filled
+	def generate( self, outputPath, definesOutputPath ):
+		# Process each line of the template, outputting to the target path
+		with open( outputPath, 'w' ) as outputFile:
+			with open( self.templatePath, 'r' ) as templateFile:
+				for line in templateFile:
+					# TODO Support multiple replacements per line
+					# TODO Support replacement with other text inline
+					match = re.findall( '<\|([^|>]+)\|>', line )
+
+					# If match, replace with processed variable
+					if match:
+						outputFile.write( self.fill_dict[ match[ 0 ] ] )
+						outputFile.write("\n")
+
+					# Otherwise, just append template to output file
+					else:
+						outputFile.write( line )
+
+		# Process each line of the defines template, outputting to the target path
+		with open( definesOutputPath, 'w' ) as outputFile:
+			with open( self.definesTemplatePath, 'r' ) as templateFile:
+				for line in templateFile:
+					# TODO Support multiple replacements per line
+					# TODO Support replacement with other text inline
+					match = re.findall( '<\|([^|>]+)\|>', line )
+
+					# If match, replace with processed variable
+					if match:
+						outputFile.write( self.fill_dict[ match[ 0 ] ] )
+						outputFile.write("\n")
+
+					# Otherwise, just append template to output file
+					else:
+						outputFile.write( line )
+