3 # Keyboard Layout Langauge
5 # Copyright (C) 2014 by Jacob Alexander
7 # This file is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This file is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this file. If not, see <http://www.gnu.org/licenses/>.
30 from tokenize import generate_tokens
31 from re import VERBOSE
32 from pprint import pformat
34 from kll_lib.hid_dict import *
35 from kll_lib.containers import *
37 from funcparserlib.lexer import make_tokenizer, Token, LexerError
38 from funcparserlib.parser import (some, a, many, oneplus, skip, finished, maybe, skip, forward_decl, NoParseError)
44 ## Print Decorator Variables
45 ERROR = '\033[5;1;31mERROR\033[0m:'
48 ## Python Text Formatting Fixer...
49 ## Because the creators of Python are averse to proper capitalization.
50 textFormatter_lookup = {
51 "usage: " : "Usage: ",
52 "optional arguments" : "Optional Arguments",
55 def textFormatter_gettext( s ):
56 return textFormatter_lookup.get( s, s )
58 argparse._ = textFormatter_gettext
62 ### Argument Parsing ###
64 def checkFileExists( filename ):
65 if not os.path.isfile( filename ):
66 print ( "{0} {1} does not exist...".format( ERROR, filename ) )
69 def processCommandLineArgs():
70 # Setup argument processor
71 pArgs = argparse.ArgumentParser(
72 usage="%(prog)s [options] <file1>...",
73 description="Generates .h file state tables and pointer indices from KLL .kll files.",
74 epilog="Example: {0} mykeyboard.kll -d colemak.kll -p hhkbpro2.kll -p symbols.kll".format( os.path.basename( sys.argv[0] ) ),
75 formatter_class=argparse.RawTextHelpFormatter,
79 # Positional Arguments
80 pArgs.add_argument( 'files', type=str, nargs='+',
81 help=argparse.SUPPRESS ) # Suppressed help output, because Python output is verbosely ugly
84 pArgs.add_argument( '-b', '--backend', type=str, default="kiibohd",
85 help="Specify target backend for the KLL compiler.\n"
87 pArgs.add_argument( '-d', '--default', type=str, nargs='+',
88 help="Specify .kll files to layer on top of the default map to create a combined map." )
89 pArgs.add_argument( '-p', '--partial', type=str, nargs='+', action='append',
90 help="Specify .kll files to generate partial map, multiple files per flag.\n"
91 "Each -p defines another partial map.\n"
92 "Base .kll files (that define the scan code maps) must be defined for each partial map." )
93 pArgs.add_argument( '-t', '--template', type=str, default="templates/kiibohdKeymap.h",
94 help="Specify template used to generate the keymap.\n"
95 "Default: templates/kiibohdKeymap.h" )
96 pArgs.add_argument( '-o', '--output', type=str, default="templateKeymap.h",
97 help="Specify output file. Writes to current working directory by default.\n"
98 "Default: generatedKeymap.h" )
99 pArgs.add_argument( '-h', '--help', action="help",
100 help="This message." )
103 args = pArgs.parse_args()
106 baseFiles = args.files
107 defaultFiles = args.default
108 partialFileSets = args.partial
109 if defaultFiles is None:
111 if partialFileSets is None:
112 partialFileSets = [[]]
114 # Check file existance
115 for filename in baseFiles:
116 checkFileExists( filename )
118 for filename in defaultFiles:
119 checkFileExists( filename )
121 for partial in partialFileSets:
122 for filename in partial:
123 checkFileExists( filename )
125 return (baseFiles, defaultFiles, partialFileSets, args.backend, args.template, args.output)
131 def tokenize( string ):
132 """str -> Sequence(Token)"""
136 ( 'Comment', ( r' *#.*', ) ),
137 ( 'Space', ( r'[ \t\r\n]+', ) ),
138 ( 'USBCode', ( r'U(("[^"]+")|(0x[0-9a-fA-F]+)|([0-9]+))', ) ),
139 ( 'USBCodeStart', ( r'U\[', ) ),
140 ( 'ScanCode', ( r'S((0x[0-9a-fA-F]+)|([0-9]+))', ) ),
141 ( 'ScanCodeStart', ( r'S\[', ) ),
142 ( 'CodeEnd', ( r'\]', ) ),
143 ( 'String', ( r'"[^"]*"', VERBOSE ) ),
144 ( 'SequenceString', ( r"'[^']*'", ) ),
145 ( 'Operator', ( r'=>|:\+|:-|:|=', ) ),
146 ( 'Comma', ( r',', ) ),
147 ( 'Dash', ( r'-', ) ),
148 ( 'Plus', ( r'\+', ) ),
149 ( 'Parenthesis', ( r'\(|\)', ) ),
150 ( 'Number', ( r'-?(0x[0-9a-fA-F]+)|(0|([1-9][0-9]*))', VERBOSE ) ),
151 ( 'Name', ( r'[A-Za-z_][A-Za-z_0-9]*', ) ),
152 ( 'VariableContents', ( r'''[^"' ;:=>()]+''', ) ),
153 ( 'EndOfLine', ( r';', ) ),
156 # Tokens to filter out of the token stream
157 useless = ['Space', 'Comment']
159 tokens = make_tokenizer( specs )
160 return [x for x in tokens( string ) if x.type not in useless]
167 macros_map = Macros()
168 variable_dict = dict()
169 capabilities_dict = Capabilities()
174 def make_scanCode( token ):
175 scanCode = int( token[1:], 0 )
176 # Check size, to make sure it's valid
178 print ( "{0} ScanCode value {1} is larger than 255".format( ERROR, scanCode ) )
182 def make_usbCode( token ):
183 # If first character is a U, strip
187 # If using string representation of USB Code, do lookup, case-insensitive
190 usbCode = kll_hid_lookup_dictionary[ token[1:-1].upper() ]
191 except LookupError as err:
192 print ( "{0} {1} is an invalid USB Code Lookup...".format( ERROR, err ) )
195 usbCode = int( token, 0 )
197 # Check size, to make sure it's valid
199 print ( "{0} USBCode value {1} is larger than 255".format( ERROR, usbCode ) )
203 def make_seqString( token ):
204 # Shifted Characters, and amount to move by to get non-shifted version
207 ( "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 0x20 ),
224 shiftKey = kll_hid_lookup_dictionary["SHIFT"]
226 # Creates a list of USB codes from the string: sequence (list) of combos (lists)
227 for char in token[1:-1]:
230 # Whether or not to create a combo for this sequence with a shift
233 # Depending on the ASCII character, convert to single character or Shift + character
234 for pair in shiftCharacters:
237 processedChar = chr( ord( char ) + pair[1] )
240 # Do KLL HID Lookup on non-shifted character
241 # NOTE: Case-insensitive, which is why the shift must be pre-computed
242 usbCode = kll_hid_lookup_dictionary[ processedChar.upper() ]
244 # Create Combo for this character, add shift key if shifted
247 charCombo = [ [ shiftKey ] ]
248 charCombo.append( [ usbCode ] )
250 # Add to list of lists
251 listOfLists.append( charCombo )
255 def make_string( token ):
258 def make_number( token ):
259 return int( token, 0 )
261 # Range can go from high to low or low to high
262 def make_scanCode_range( rangeVals ):
266 # Swap start, end if start is greater than end
268 start, end = end, start
270 # Iterate from start to end, and generate the range
271 return list( range( start, end + 1 ) )
273 # Range can go from high to low or low to high
274 # Warn on 0-9 (as this does not do what one would expect) TODO
275 # Lookup USB HID tags and convert to a number
276 def make_usbCode_range( rangeVals ):
277 # Check if already integers
278 if isinstance( rangeVals[0], int ):
281 start = make_usbCode( rangeVals[0] )
283 if isinstance( rangeVals[1], int ):
286 end = make_usbCode( rangeVals[1] )
288 # Swap start, end if start is greater than end
290 start, end = end, start
292 # Iterate from start to end, and generate the range
293 return list( range( start, end + 1 ) )
299 const = lambda x: lambda _: x
300 unarg = lambda f: lambda x: f(*x)
301 flatten = lambda list: sum( list, [] )
303 tokenValue = lambda x: x.value
304 tokenType = lambda t: some( lambda x: x.type == t ) >> tokenValue
305 operator = lambda s: a( Token( 'Operator', s ) ) >> tokenValue
306 parenthesis = lambda s: a( Token( 'Parenthesis', s ) ) >> tokenValue
307 eol = a( Token( 'EndOfLine', ';' ) )
309 def listElem( item ):
312 def listToTuple( items ):
313 return tuple( items )
315 # Flatten only the top layer (list of lists of ...)
316 def oneLayerFlatten( items ):
318 for sublist in items:
320 mainList.append( item )
324 # Expand ranges of values in the 3rd dimension of the list, to a list of 2nd lists
325 # i.e. [ sequence, [ combo, [ range ] ] ] --> [ [ sequence, [ combo ] ], <option 2>, <option 3> ]
326 def optionExpansion( sequences ):
327 expandedSequences = []
329 # Total number of combinations of the sequence of combos that needs to be generated
330 totalCombinations = 1
332 # List of leaf lists, with number of leaves
335 # Traverse to the leaf nodes, and count the items in each leaf list
336 for sequence in sequences:
337 for combo in sequence:
338 rangeLen = len( combo )
339 totalCombinations *= rangeLen
340 maxLeafList.append( rangeLen )
342 # Counter list to keep track of which combination is being generated
343 curLeafList = [0] * len( maxLeafList )
345 # Generate a list of permuations of the sequence of combos
346 for count in range( 0, totalCombinations ):
347 expandedSequences.append( [] ) # Prepare list for adding the new combination
350 # Traverse sequence of combos to generate permuation
351 for sequence in sequences:
352 expandedSequences[ -1 ].append( [] )
353 for combo in sequence:
354 expandedSequences[ -1 ][ -1 ].append( combo[ curLeafList[ position ] ] )
357 # Increment combination tracker
358 for leaf in range( 0, len( curLeafList ) ):
359 curLeafList[ leaf ] += 1
361 # Reset this position, increment next position (if it exists), then stop
362 if curLeafList[ leaf ] >= maxLeafList[ leaf ]:
363 curLeafList[ leaf ] = 0
364 if leaf + 1 < len( curLeafList ):
365 curLeafList[ leaf + 1 ] += 1
368 return expandedSequences
371 # Converts USB Codes into Capabilities
372 def usbCodeToCapability( items ):
373 # Items already converted to variants using optionExpansion
374 for variant in range( 0, len( items ) ):
376 for sequence in range( 0, len( items[ variant ] ) ):
377 for combo in range( 0, len( items[ variant ][ sequence ] ) ):
378 # Only convert if an integer, otherwise USB Code doesn't need converting
379 if isinstance( items[ variant ][ sequence ][ combo ], int ):
380 # Use backend capability name and a single argument
381 items[ variant ][ sequence ][ combo ] = tuple( [ backend.usbCodeCapability(), tuple( [ items[ variant ][ sequence ][ combo ] ] ) ] )
388 def eval_scanCode( triggers, operator, results ):
389 # Convert to lists of lists of lists to tuples of tuples of tuples
390 # Tuples are non-mutable, and can be used has index items
391 triggers = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in triggers )
392 results = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in results )
394 # Iterate over all combinations of triggers and results
395 for trigger in triggers:
396 for result in results:
399 macros_map.appendScanCode( trigger, result )
402 elif operator == ":-":
403 macros_map.removeScanCode( trigger, result )
406 elif operator == ":":
407 macros_map.replaceScanCode( trigger, result )
409 def eval_usbCode( triggers, operator, results ):
410 # Convert to lists of lists of lists to tuples of tuples of tuples
411 # Tuples are non-mutable, and can be used has index items
412 triggers = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in triggers )
413 results = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in results )
415 # Iterate over all combinations of triggers and results
416 for trigger in triggers:
417 scanCodes = macros_map.lookupUSBCodes( trigger )
418 for scanCode in scanCodes:
419 for result in results:
420 # Cache assignment until file finishes processing
421 macros_map.cacheAssignment( operator, scanCode, result )
423 def eval_variable( name, content ):
424 # Content might be a concatenation of multiple data types, convert everything into a single string
425 assigned_content = ""
427 assigned_content += str( item )
429 variable_dict[ name ] = assigned_content
431 def eval_capability( name, function, args ):
432 capabilities_dict[ name ] = [ function, args ]
434 map_scanCode = unarg( eval_scanCode )
435 map_usbCode = unarg( eval_usbCode )
437 set_variable = unarg( eval_variable )
438 set_capability = unarg( eval_capability )
443 usbCode = tokenType('USBCode') >> make_usbCode
444 scanCode = tokenType('ScanCode') >> make_scanCode
445 name = tokenType('Name')
446 number = tokenType('Number') >> make_number
447 comma = tokenType('Comma')
448 dash = tokenType('Dash')
449 plus = tokenType('Plus')
450 content = tokenType('VariableContents')
451 string = tokenType('String') >> make_string
452 unString = tokenType('String') # When the double quotes are still needed for internal processing
453 seqString = tokenType('SequenceString') >> make_seqString
456 code_end = tokenType('CodeEnd')
459 scanCode_start = tokenType('ScanCodeStart')
460 scanCode_range = number + skip( dash ) + number >> make_scanCode_range
461 scanCode_listElem = number >> listElem
462 scanCode_innerList = oneplus( ( scanCode_range | scanCode_listElem ) + skip( maybe( comma ) ) ) >> flatten
463 scanCode_expanded = skip( scanCode_start ) + scanCode_innerList + skip( code_end )
464 scanCode_elem = scanCode >> listElem
465 scanCode_combo = oneplus( ( scanCode_expanded | scanCode_elem ) + skip( maybe( plus ) ) )
466 scanCode_sequence = oneplus( scanCode_combo + skip( maybe( comma ) ) )
469 usbCode_start = tokenType('USBCodeStart')
470 usbCode_range = ( number | unString ) + skip( dash ) + ( number | unString ) >> make_usbCode_range
471 usbCode_listElemTag = unString >> make_usbCode
472 usbCode_listElem = ( number | usbCode_listElemTag ) >> listElem
473 usbCode_innerList = oneplus( ( usbCode_range | usbCode_listElem ) + skip( maybe( comma ) ) ) >> flatten
474 usbCode_expanded = skip( usbCode_start ) + usbCode_innerList + skip( code_end )
475 usbCode_elem = usbCode >> listElem
476 usbCode_combo = oneplus( ( usbCode_expanded | usbCode_elem ) + skip( maybe( plus ) ) ) >> listElem
477 usbCode_sequence = oneplus( ( usbCode_combo | seqString ) + skip( maybe( comma ) ) ) >> oneLayerFlatten
480 capFunc_arguments = many( number + skip( maybe( comma ) ) ) >> listToTuple
481 capFunc_elem = name + skip( parenthesis('(') ) + capFunc_arguments + skip( parenthesis(')') ) >> listElem
482 capFunc_combo = oneplus( ( usbCode_expanded | usbCode_elem | capFunc_elem ) + skip( maybe( plus ) ) ) >> listElem
483 capFunc_sequence = oneplus( ( capFunc_combo | seqString ) + skip( maybe( comma ) ) ) >> oneLayerFlatten
485 # Trigger / Result Codes
486 triggerCode_outerList = scanCode_sequence >> optionExpansion
487 triggerUSBCode_outerList = usbCode_sequence >> optionExpansion >> usbCodeToCapability
488 resultCode_outerList = capFunc_sequence >> optionExpansion >> usbCodeToCapability
493 #| <variable> = <variable contents>;
494 variable_contents = name | content | string | number | comma | dash
495 variable_expression = name + skip( operator('=') ) + oneplus( variable_contents ) + skip( eol ) >> set_variable
497 #| <capability name> => <c function>;
498 capability_arguments = name + skip( operator(':') ) + number + skip( maybe( comma ) )
499 capability_expression = name + skip( operator('=>') ) + name + skip( parenthesis('(') ) + many( capability_arguments ) + skip( parenthesis(')') ) + skip( eol ) >> set_capability
501 #| <trigger> : <result>;
502 operatorTriggerResult = operator(':') | operator(':+') | operator(':-')
503 scanCode_expression = triggerCode_outerList + operatorTriggerResult + resultCode_outerList + skip( eol ) >> map_scanCode
504 usbCode_expression = triggerUSBCode_outerList + operatorTriggerResult + resultCode_outerList + skip( eol ) >> map_usbCode
506 def parse( tokenSequence ):
507 """Sequence(Token) -> object"""
510 expression = scanCode_expression | usbCode_expression | variable_expression | capability_expression
512 kll_text = many( expression )
513 kll_file = maybe( kll_text ) + skip( finished )
515 return kll_file.parse( tokenSequence )
519 def processKLLFile( filename ):
520 with open( filename ) as file:
522 tokenSequence = tokenize( data )
523 #print ( pformat( tokenSequence ) ) # Display tokenization
524 tree = parse( tokenSequence )
528 ### Main Entry Point ###
530 if __name__ == '__main__':
531 (baseFiles, defaultFiles, partialFileSets, backend_name, template, output) = processCommandLineArgs()
533 # Load backend module
535 backend_import = importlib.import_module( "backends.{0}".format( backend_name ) )
536 backend = backend_import.Backend( template )
538 # Process base layout files
539 for filename in baseFiles:
540 processKLLFile( filename )
541 macros_map.completeBaseLayout() # Indicates to macros_map that the base layout is complete
543 # Default combined layer
544 for filename in defaultFiles:
545 processKLLFile( filename )
546 # Apply assignment cache, see 5.1.2 USB Codes for why this is necessary
547 macros_map.replayCachedAssignments()
549 # Iterate through additional layers
550 for partial in partialFileSets:
551 # Increment layer for each -p option
552 macros_map.addLayer()
553 # Iterate and process each of the file in the layer
554 for filename in partial:
555 processKLLFile( filename )
556 # Apply assignment cache, see 5.1.2 USB Codes for why this is necessary
557 macros_map.replayCachedAssignments()
558 # Remove un-marked keys to complete the partial layer
559 macros_map.removeUnmarked()
561 # Do macro correlation and transformation
562 macros_map.generate()
564 # Process needed templating variables using backend
565 backend.process( capabilities_dict, macros_map )
567 # Generate output file using template and backend
568 backend.generate( output )
570 # Successful Execution