685 lines
20 KiB
Python
Executable file
685 lines
20 KiB
Python
Executable file
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""Compiler for keymap.c files
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This scrip will generate a keymap.c file from a simple
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markdown file with a specific layout.
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Usage:
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python compile_keymap.py INPUT_PATH [OUTPUT_PATH]
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"""
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from __future__ import division
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from __future__ import print_function
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from __future__ import absolute_import
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from __future__ import unicode_literals
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import os
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import io
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import re
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import sys
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import json
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import unicodedata
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import collections
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import itertools as it
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PY2 = sys.version_info.major == 2
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if PY2:
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chr = unichr
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KEYBOARD_LAYOUTS = {
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# These map positions in the parsed layout to
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# positions in the KEYMAP MATRIX
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'ergodox_ez': [
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[0, 1, 2, 3, 4, 5, 6],
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[38, 39, 40, 41, 42, 43, 44],
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[7, 8, 9, 10, 11, 12, 13],
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[45, 46, 47, 48, 49, 50, 51],
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[14, 15, 16, 17, 18, 19],
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[52, 53, 54, 55, 56, 57],
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[20, 21, 22, 23, 24, 25, 26],
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[58, 59, 60, 61, 62, 63, 64],
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[27, 28, 29, 30, 31],
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[65, 66, 67, 68, 69],
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[32, 33],
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[70, 71],
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[34],
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[72],
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[35, 36, 37],
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[73, 74, 75],
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]
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}
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ROW_INDENTS = {'ergodox_ez': [0, 0, 0, 0, 0, 1, 0, 0, 0, 2, 5, 0, 6, 0, 4, 0]}
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BLANK_LAYOUTS = [
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# Compact Layout
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"""
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.------------------------------------.------------------------------------.
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| | | | | | | | | | | | | | |
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!-----+----+----+----+----+----------!-----+----+----+----+----+----+-----!
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| | | | | | | | | | | | | | |
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!-----+----+----+----x----x----! ! !----x----x----+----+----+-----!
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| | | | | | |-----!-----! | | | | | |
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!-----+----+----+----x----x----! ! !----x----x----+----+----+-----!
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| | | | | | | | | | | | | | |
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'-----+----+----+----+----+----------'----------+----+----+----+----+-----'
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| | | | | | ! | | | | |
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'------------------------' '------------------------'
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.-----------. .-----------.
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| | | ! | |
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.-----+-----+-----! !-----+-----+-----.
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! ! | | ! | ! !
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! ! !-----! !-----! ! !
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| | | | ! | | |
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'-----------------' '-----------------'
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""",
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# Wide Layout
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"""
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.---------------------------------------------. .---------------------------------------------.
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| | | | | | | | ! | | | | | | |
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!-------+-----+-----+-----+-----+-------------! !-------+-----+-----+-----+-----+-----+-------!
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| | | | | | | | ! | | | | | | |
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!-------+-----+-----+-----x-----x-----! ! ! !-----x-----x-----+-----+-----+-------!
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| | | | | | |-------! !-------! | | | | | |
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!-------+-----+-----+-----x-----x-----! ! ! !-----x-----x-----+-----+-----+-------!
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| | | | | | | | ! | | | | | | |
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'-------+-----+-----+-----+-----+-------------' '-------------+-----+-----+-----+-----+-------'
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| | | | | | ! | | | | |
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'------------------------------' '------------------------------'
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.---------------. .---------------.
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| | | ! | |
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.-------+-------+-------! !-------+-------+-------.
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! ! | | ! | ! !
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! ! !-------! !-------! ! !
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| | | | ! | | |
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'-----------------------' '-----------------------'
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""",
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]
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DEFAULT_CONFIG = {
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"keymaps_includes": ["keymap_common.h",],
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'filler': "-+.'!:x",
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'separator': "|",
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'default_key_prefix': ["KC_"],
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}
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SECTIONS = [
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'layout_config',
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'layers',
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]
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# Markdown Parsing
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ONELINE_COMMENT_RE = re.compile(
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r"""
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^ # comment must be at the start of the line
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\s* # arbitrary whitespace
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// # start of the comment
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(.*) # the comment
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$ # until the end of line
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""", re.MULTILINE | re.VERBOSE
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)
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INLINE_COMMENT_RE = re.compile(
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r"""
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([\,\"\[\]\{\}\d]) # anythig that might end a expression
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\s+ # comment must be preceded by whitespace
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// # start of the comment
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\s # and succeded by whitespace
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(?:[^\"\]\}\{\[]*) # the comment (except things which might be json)
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$ # until the end of line
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""", re.MULTILINE | re.VERBOSE
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)
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TRAILING_COMMA_RE = re.compile(
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r"""
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, # the comma
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(?:\s*) # arbitrary whitespace
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$ # only works if the trailing comma is followed by newline
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(\s*) # arbitrary whitespace
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([\]\}]) # end of an array or object
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""", re.MULTILINE | re.VERBOSE
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)
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def loads(raw_data):
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if isinstance(raw_data, bytes):
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raw_data = raw_data.decode('utf-8')
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raw_data = ONELINE_COMMENT_RE.sub(r"", raw_data)
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raw_data = INLINE_COMMENT_RE.sub(r"\1", raw_data)
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raw_data = TRAILING_COMMA_RE.sub(r"\1\2", raw_data)
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return json.loads(raw_data)
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def parse_config(path):
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def reset_section():
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section.update({
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'name': section.get('name', ""),
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'sub_name': "",
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'start_line': -1,
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'end_line': -1,
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'code_lines': [],
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})
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def start_section(line_index, line):
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end_section()
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if line.startswith("# "):
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name = line[2:]
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elif line.startswith("## "):
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name = line[3:]
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else:
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name = ""
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name = name.strip().replace(" ", "_").lower()
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if name in SECTIONS:
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section['name'] = name
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else:
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section['sub_name'] = name
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section['start_line'] = line_index
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def end_section():
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if section['start_line'] >= 0:
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if section['name'] == 'layout_config':
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config.update(loads("\n".join(section['code_lines'])))
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elif section['sub_name'].startswith('layer'):
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layer_name = section['sub_name']
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config['layer_lines'][layer_name] = section['code_lines']
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reset_section()
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def amend_section(line_index, line):
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section['end_line'] = line_index
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section['code_lines'].append(line)
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config = DEFAULT_CONFIG.copy()
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config.update({
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'layer_lines': collections.OrderedDict(),
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'macro_ids': {'UM'},
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'unicode_macros': {},
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})
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section = {}
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reset_section()
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with io.open(path, encoding="utf-8") as fh:
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for i, line in enumerate(fh):
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if line.startswith("#"):
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start_section(i, line)
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elif line.startswith(" "):
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amend_section(i, line[4:])
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else:
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# TODO: maybe parse description
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pass
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end_section()
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assert 'layout' in config
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return config
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# header file parsing
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IF0_RE = re.compile(r"""
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^
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#if 0
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$.*?
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#endif
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""", re.MULTILINE | re.DOTALL | re.VERBOSE)
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COMMENT_RE = re.compile(r"""
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/\*
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.*?
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\*/"
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""", re.MULTILINE | re.DOTALL | re.VERBOSE)
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def read_header_file(path):
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with io.open(path, encoding="utf-8") as fh:
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data = fh.read()
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data, _ = COMMENT_RE.subn("", data)
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data, _ = IF0_RE.subn("", data)
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return data
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def regex_partial(re_str_fmt, flags):
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def partial(*args, **kwargs):
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re_str = re_str_fmt.format(*args, **kwargs)
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return re.compile(re_str, flags)
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return partial
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KEYDEF_REP = regex_partial(r"""
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#define
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\s
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(
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(?:{}) # the prefixes
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(?:\w+) # the key name
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) # capture group end
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""", re.MULTILINE | re.DOTALL | re.VERBOSE)
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ENUM_RE = re.compile(r"""
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(
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enum
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\s\w+\s
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\{
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.*? # the enum content
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\}
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;
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) # capture group end
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""", re.MULTILINE | re.DOTALL | re.VERBOSE)
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ENUM_KEY_REP = regex_partial(r"""
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(
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{} # the prefixes
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\w+ # the key name
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) # capture group end
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""", re.MULTILINE | re.DOTALL | re.VERBOSE)
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def parse_keydefs(config, data):
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prefix_options = "|".join(config['key_prefixes'])
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keydef_re = KEYDEF_REP(prefix_options)
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enum_key_re = ENUM_KEY_REP(prefix_options)
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for match in keydef_re.finditer(data):
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yield match.groups()[0]
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for enum_match in ENUM_RE.finditer(data):
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enum = enum_match.groups()[0]
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for key_match in enum_key_re.finditer(enum):
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yield key_match.groups()[0]
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def parse_valid_keys(config, out_path):
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basepath = os.path.abspath(os.path.join(os.path.dirname(out_path)))
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dirpaths = []
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subpaths = []
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while len(subpaths) < 6:
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path = os.path.join(basepath, *subpaths)
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dirpaths.append(path)
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dirpaths.append(os.path.join(path, "tmk_core", "common"))
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dirpaths.append(os.path.join(path, "quantum"))
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subpaths.append('..')
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includes = set(config['keymaps_includes'])
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includes.add("keycode.h")
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valid_keycodes = set()
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for dirpath, include in it.product(dirpaths, includes):
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include_path = os.path.join(dirpath, include)
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if os.path.exists(include_path):
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header_data = read_header_file(include_path)
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valid_keycodes.update(parse_keydefs(config, header_data))
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return valid_keycodes
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# Keymap Parsing
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def iter_raw_codes(layer_lines, filler, separator):
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filler_re = re.compile("[" + filler + " ]")
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for line in layer_lines:
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line, _ = filler_re.subn("", line.strip())
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if not line:
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continue
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codes = line.split(separator)
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for code in codes[1:-1]:
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yield code
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def iter_indexed_codes(raw_codes, key_indexes):
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key_rows = {}
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key_indexes_flat = []
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for row_index, key_indexes in enumerate(key_indexes):
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for key_index in key_indexes:
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key_rows[key_index] = row_index
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key_indexes_flat.extend(key_indexes)
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assert len(raw_codes) == len(key_indexes_flat)
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for raw_code, key_index in zip(raw_codes, key_indexes_flat):
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# we keep track of the row mostly for layout purposes
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yield raw_code, key_index, key_rows[key_index]
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LAYER_CHANGE_RE = re.compile(r"""
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(DF|TG|MO)\(\d+\)
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""", re.VERBOSE)
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MACRO_RE = re.compile(r"""
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M\(\w+\)
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""", re.VERBOSE)
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UNICODE_RE = re.compile(r"""
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U[0-9A-F]{4}
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""", re.VERBOSE)
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NON_CODE = re.compile(r"""
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^[^A-Z0-9_]$
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""", re.VERBOSE)
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def parse_uni_code(raw_code):
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macro_id = "UC_" + (unicodedata.name(raw_code).replace(" ", "_").replace("-", "_"))
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code = "M({})".format(macro_id)
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uc_hex = "{:04X}".format(ord(raw_code))
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return code, macro_id, uc_hex
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def parse_key_code(raw_code, key_prefixes, valid_keycodes):
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if raw_code in valid_keycodes:
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return raw_code
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for prefix in key_prefixes:
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code = prefix + raw_code
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if code in valid_keycodes:
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return code
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def parse_code(raw_code, key_prefixes, valid_keycodes):
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if not raw_code:
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return 'KC_TRNS', None, None
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if LAYER_CHANGE_RE.match(raw_code):
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return raw_code, None, None
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if MACRO_RE.match(raw_code):
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macro_id = raw_code[2:-1]
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return raw_code, macro_id, None
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if UNICODE_RE.match(raw_code):
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hex_code = raw_code[1:]
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return parse_uni_code(chr(int(hex_code, 16)))
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if NON_CODE.match(raw_code):
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return parse_uni_code(raw_code)
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code = parse_key_code(raw_code, key_prefixes, valid_keycodes)
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return code, None, None
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def parse_keymap(config, key_indexes, layer_lines, valid_keycodes):
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keymap = {}
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raw_codes = list(iter_raw_codes(layer_lines, config['filler'], config['separator']))
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indexed_codes = iter_indexed_codes(raw_codes, key_indexes)
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key_prefixes = config['key_prefixes']
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for raw_code, key_index, row_index in indexed_codes:
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code, macro_id, uc_hex = parse_code(raw_code, key_prefixes, valid_keycodes)
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# TODO: line numbers for invalid codes
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err_msg = "Could not parse key '{}' on row {}".format(raw_code, row_index)
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assert code is not None, err_msg
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# print(repr(raw_code), repr(code), macro_id, uc_hex)
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if macro_id:
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config['macro_ids'].add(macro_id)
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if uc_hex:
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config['unicode_macros'][macro_id] = uc_hex
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keymap[key_index] = (code, row_index)
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return keymap
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def parse_keymaps(config, valid_keycodes):
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keymaps = collections.OrderedDict()
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key_indexes = config.get('key_indexes', KEYBOARD_LAYOUTS[config['layout']])
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# TODO: maybe validate key_indexes
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for layer_name, layer_lines, in config['layer_lines'].items():
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keymaps[layer_name] = parse_keymap(config, key_indexes, layer_lines, valid_keycodes)
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return keymaps
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# keymap.c output
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USERCODE = """
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// Runs just one time when the keyboard initializes.
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void matrix_init_user(void) {
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};
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// Runs constantly in the background, in a loop.
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void matrix_scan_user(void) {
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uint8_t layer = get_highest_layer(layer_state);
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ergodox_board_led_off();
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ergodox_right_led_1_off();
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ergodox_right_led_2_off();
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ergodox_right_led_3_off();
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switch (layer) {
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case L1:
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ergodox_right_led_1_on();
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break;
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case L2:
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ergodox_right_led_2_on();
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break;
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case L3:
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ergodox_right_led_3_on();
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break;
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case L4:
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ergodox_right_led_1_on();
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ergodox_right_led_2_on();
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break;
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case L5:
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ergodox_right_led_1_on();
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ergodox_right_led_3_on();
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break;
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// case L6:
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// ergodox_right_led_2_on();
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// ergodox_right_led_3_on();
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// break;
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// case L7:
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// ergodox_right_led_1_on();
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// ergodox_right_led_2_on();
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// ergodox_right_led_3_on();
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// break;
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default:
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ergodox_board_led_off();
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break;
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}
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};
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"""
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MACROCODE = """
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#define UC_MODE_WIN 0
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#define UC_MODE_LINUX 1
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#define UC_MODE_OSX 2
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// TODO: allow default mode to be configured
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static uint16_t unicode_mode = UC_MODE_WIN;
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uint16_t hextokeycode(uint8_t hex) {{
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if (hex == 0x0) {{
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return KC_P0;
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}}
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if (hex < 0xA) {{
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return KC_P1 + (hex - 0x1);
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}}
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return KC_A + (hex - 0xA);
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}}
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void unicode_action_function(uint16_t hi, uint16_t lo) {{
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switch (unicode_mode) {{
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case UC_MODE_WIN:
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register_code(KC_LALT);
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register_code(KC_PPLS);
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unregister_code(KC_PPLS);
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register_code(hextokeycode((hi & 0xF0) >> 4));
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unregister_code(hextokeycode((hi & 0xF0) >> 4));
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register_code(hextokeycode((hi & 0x0F)));
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unregister_code(hextokeycode((hi & 0x0F)));
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register_code(hextokeycode((lo & 0xF0) >> 4));
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unregister_code(hextokeycode((lo & 0xF0) >> 4));
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register_code(hextokeycode((lo & 0x0F)));
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unregister_code(hextokeycode((lo & 0x0F)));
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unregister_code(KC_LALT);
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break;
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case UC_MODE_LINUX:
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register_code(KC_LCTL);
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|
register_code(KC_LSFT);
|
|
|
|
register_code(KC_U);
|
|
unregister_code(KC_U);
|
|
|
|
register_code(hextokeycode((hi & 0xF0) >> 4));
|
|
unregister_code(hextokeycode((hi & 0xF0) >> 4));
|
|
register_code(hextokeycode((hi & 0x0F)));
|
|
unregister_code(hextokeycode((hi & 0x0F)));
|
|
register_code(hextokeycode((lo & 0xF0) >> 4));
|
|
unregister_code(hextokeycode((lo & 0xF0) >> 4));
|
|
register_code(hextokeycode((lo & 0x0F)));
|
|
unregister_code(hextokeycode((lo & 0x0F)));
|
|
|
|
unregister_code(KC_LCTL);
|
|
unregister_code(KC_LSFT);
|
|
break;
|
|
case UC_MODE_OSX:
|
|
break;
|
|
}}
|
|
}}
|
|
|
|
const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) {{
|
|
if (!record->event.pressed) {{
|
|
return MACRO_NONE;
|
|
}}
|
|
// MACRODOWN only works in this function
|
|
switch(id) {{
|
|
case UM:
|
|
unicode_mode = (unicode_mode + 1) % 2;
|
|
break;
|
|
{macro_cases}
|
|
{unicode_macro_cases}
|
|
default:
|
|
break;
|
|
}}
|
|
return MACRO_NONE;
|
|
}};
|
|
"""
|
|
|
|
UNICODE_MACRO_TEMPLATE = """
|
|
case {macro_id}:
|
|
unicode_action_function(0x{hi:02x}, 0x{lo:02x});
|
|
break;
|
|
""".strip()
|
|
|
|
|
|
def unicode_macro_cases(config):
|
|
for macro_id, uc_hex in config['unicode_macros'].items():
|
|
hi = int(uc_hex, 16) >> 8
|
|
lo = int(uc_hex, 16) & 0xFF
|
|
yield UNICODE_MACRO_TEMPLATE.format(macro_id=macro_id, hi=hi, lo=lo)
|
|
|
|
|
|
def iter_keymap_lines(keymap, row_indents=None):
|
|
col_widths = {}
|
|
col = 0
|
|
# first pass, figure out the column widths
|
|
prev_row_index = None
|
|
for code, row_index in keymap.values():
|
|
if row_index != prev_row_index:
|
|
col = 0
|
|
if row_indents:
|
|
col = row_indents[row_index]
|
|
col_widths[col] = max(len(code), col_widths.get(col, 0))
|
|
prev_row_index = row_index
|
|
col += 1
|
|
|
|
# second pass, yield the cell values
|
|
col = 0
|
|
prev_row_index = None
|
|
for key_index in sorted(keymap):
|
|
code, row_index = keymap[key_index]
|
|
if row_index != prev_row_index:
|
|
col = 0
|
|
yield "\n"
|
|
if row_indents:
|
|
for indent_col in range(row_indents[row_index]):
|
|
pad = " " * (col_widths[indent_col] - 4)
|
|
yield (" /*-*/" + pad)
|
|
col = row_indents[row_index]
|
|
else:
|
|
yield pad
|
|
yield " {}".format(code)
|
|
if key_index < len(keymap) - 1:
|
|
yield ","
|
|
# This will be yielded on the next iteration when
|
|
# we know that we're not at the end of a line.
|
|
pad = " " * (col_widths[col] - len(code))
|
|
prev_row_index = row_index
|
|
col += 1
|
|
|
|
|
|
def iter_keymap_parts(config, keymaps):
|
|
# includes
|
|
for include_path in config['keymaps_includes']:
|
|
yield '#include "{}"\n'.format(include_path)
|
|
|
|
yield "\n"
|
|
|
|
# definitions
|
|
for i, macro_id in enumerate(sorted(config['macro_ids'])):
|
|
yield "#define {} {}\n".format(macro_id, i)
|
|
|
|
yield "\n"
|
|
|
|
for i, layer_name in enumerate(config['layer_lines']):
|
|
yield '#define L{0:<3} {0:<5} // {1}\n'.format(i, layer_name)
|
|
|
|
yield "\n"
|
|
|
|
# keymaps
|
|
yield "const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {\n"
|
|
|
|
for i, layer_name in enumerate(config['layer_lines']):
|
|
# comment
|
|
layer_lines = config['layer_lines'][layer_name]
|
|
prefixed_lines = " * " + " * ".join(layer_lines)
|
|
yield "/*\n{} */\n".format(prefixed_lines)
|
|
|
|
# keymap codes
|
|
keymap = keymaps[layer_name]
|
|
row_indents = ROW_INDENTS.get(config['layout'])
|
|
keymap_lines = "".join(iter_keymap_lines(keymap, row_indents))
|
|
yield "[L{0}] = KEYMAP({1}\n),\n".format(i, keymap_lines)
|
|
|
|
yield "};\n\n"
|
|
|
|
# macros
|
|
yield MACROCODE.format(
|
|
macro_cases="",
|
|
unicode_macro_cases="\n".join(unicode_macro_cases(config)),
|
|
)
|
|
|
|
# TODO: dynamically create blinking lights
|
|
yield USERCODE
|
|
|
|
|
|
def main(argv=sys.argv[1:]):
|
|
if not argv or '-h' in argv or '--help' in argv:
|
|
print(__doc__)
|
|
return 0
|
|
|
|
in_path = os.path.abspath(argv[0])
|
|
if not os.path.exists(in_path):
|
|
print("No such file '{}'".format(in_path))
|
|
return 1
|
|
|
|
if len(argv) > 1:
|
|
out_path = os.path.abspath(argv[1])
|
|
else:
|
|
dirname = os.path.dirname(in_path)
|
|
out_path = os.path.join(dirname, "keymap.c")
|
|
|
|
config = parse_config(in_path)
|
|
valid_keys = parse_valid_keys(config, out_path)
|
|
keymaps = parse_keymaps(config, valid_keys)
|
|
|
|
with io.open(out_path, mode="w", encoding="utf-8") as fh:
|
|
for part in iter_keymap_parts(config, keymaps):
|
|
fh.write(part)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|