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"""Used by the make system to generate keyboard.h from info.json.
"""
from pathlib import Path
from milc import cli
from qmk.path import normpath
from qmk.info import info_json
from qmk.commands import dump_lines
from qmk.keyboard import keyboard_completer, keyboard_folder
from qmk.constants import COL_LETTERS, ROW_LETTERS, GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE
def _generate_layouts(keyboard):
"""Generates the layouts.h file.
"""
# Build the info.json file
kb_info_json = info_json(keyboard)
if 'matrix_size' not in kb_info_json:
cli.log.error(f'{keyboard}: Invalid matrix config.')
return []
col_num = kb_info_json['matrix_size']['cols']
row_num = kb_info_json['matrix_size']['rows']
lines = []
for layout_name in kb_info_json['layouts']:
if kb_info_json['layouts'][layout_name]['c_macro']:
continue
if 'matrix' not in kb_info_json['layouts'][layout_name]['layout'][0]:
cli.log.debug(f'{keyboard}/{layout_name}: No matrix data!')
continue
layout_keys = []
layout_matrix = [['KC_NO' for i in range(col_num)] for i in range(row_num)]
for i, key in enumerate(kb_info_json['layouts'][layout_name]['layout']):
row = key['matrix'][0]
col = key['matrix'][1]
identifier = 'k%s%s' % (ROW_LETTERS[row], COL_LETTERS[col])
try:
layout_matrix[row][col] = identifier
layout_keys.append(identifier)
except IndexError:
key_name = key.get('label', identifier)
cli.log.error(f'Matrix data out of bounds for layout {layout_name} at index {i} ({key_name}): [{row}, {col}]')
return []
lines.append('')
lines.append('#define %s(%s) {\\' % (layout_name, ', '.join(layout_keys)))
rows = ', \\\n'.join(['\t {' + ', '.join(row) + '}' for row in layout_matrix])
rows += ' \\'
lines.append(rows)
lines.append('}')
for alias, target in kb_info_json.get('layout_aliases', {}).items():
lines.append('')
lines.append(f'#ifndef {alias}')
lines.append(f'# define {alias} {target}')
lines.append('#endif')
return lines
@cli.argument('-i', '--include', nargs='?', arg_only=True, help='Optional file to include')
@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
@cli.argument('-kb', '--keyboard', arg_only=True, type=keyboard_folder, completer=keyboard_completer, required=True, help='Keyboard to generate keyboard.h for.')
@cli.subcommand('Used by the make system to generate keyboard.h from info.json', hidden=True)
def generate_keyboard_h(cli):
"""Generates the keyboard.h file.
"""
keyboard_h = cli.args.include
dd_layouts = _generate_layouts(cli.args.keyboard)
valid_config = dd_layouts or keyboard_h
# Build the layouts.h file.
keyboard_h_lines = [GPL2_HEADER_C_LIKE, GENERATED_HEADER_C_LIKE, '#pragma once', '#include "quantum.h"']
keyboard_h_lines.append('')
keyboard_h_lines.append('// Layout content')
if dd_layouts:
keyboard_h_lines.extend(dd_layouts)
if keyboard_h:
keyboard_h_lines.append(f'#include "{Path(keyboard_h).name}"')
# Protect against poorly configured keyboards
if not valid_config:
keyboard_h_lines.append('#error("<keyboard>.h is required unless your keyboard uses data-driven configuration. Please rename your keyboard\'s header file to <keyboard>.h")')
# Show the results
dump_lines(cli.args.output, keyboard_h_lines, cli.args.quiet)
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