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kll/kll_lib/backends.py
2015-02-21 23:34:14 -08:00

105 satır
3.0 KiB
Python

#!/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:
# Default templates and output files
templatePaths = []
outputPaths = []
# Initializes backend
# Looks for template file and builds list of fill tags
def __init__( self, templatePaths ):
# Use defaults if no template is specified
if templatePaths is not None:
self.templatePaths = templatePaths
self.fill_dict = dict()
# Process each template and add to tagList
self.tagList = []
for templatePath in self.templatePaths:
# Does template exist?
if not os.path.isfile( templatePath ):
print ( "{0} '{1}' does not exist...".format( ERROR, templatePath ) )
sys.exit( 1 )
# Generate list of fill tags
with open( templatePath, '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
# XXX Make sure to override
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, outputPaths ):
# Use default if not specified
if outputPaths is None:
outputPaths = self.outputPaths
for templatePath, outputPath in zip( self.templatePaths, outputPaths ):
# Process each line of the template, outputting to the target path
with open( outputPath, 'w' ) as outputFile:
with open( 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 )