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"""Terminal capability builder patterns."""
# std imports
import re
import typing
from collections import OrderedDict
__all__ = (
'CAPABILITY_DATABASE',
'CAPABILITIES_RAW_MIXIN',
'CAPABILITIES_ADDITIVES',
'CAPABILITIES_HORIZONTAL_DISTANCE',
'CAPABILITIES_CAUSE_MOVEMENT',
)
CAPABILITY_DATABASE: \
typing.OrderedDict[str, typing.Tuple[str, typing.Dict[str, typing.Any]]] = OrderedDict((
('bell', ('bel', {})),
('carriage_return', ('cr', {})),
('change_scroll_region', ('csr', {'nparams': 2})),
('clear_all_tabs', ('tbc', {})),
('clear_screen', ('clear', {})),
('clr_bol', ('el1', {})),
('clr_eol', ('el', {})),
('clr_eos', ('clear_eos', {})),
('column_address', ('hpa', {'nparams': 1})),
('cursor_address', ('cup', {'nparams': 2, 'match_grouped': True})),
('cursor_down', ('cud1', {})),
('cursor_home', ('home', {})),
('cursor_invisible', ('civis', {})),
('cursor_left', ('cub1', {})),
('cursor_normal', ('cnorm', {})),
('cursor_report', ('u6', {'nparams': 2, 'match_grouped': True})),
('cursor_right', ('cuf1', {})),
('cursor_up', ('cuu1', {})),
('cursor_visible', ('cvvis', {})),
('delete_character', ('dch1', {})),
('delete_line', ('dl1', {})),
('enter_blink_mode', ('blink', {})),
('enter_bold_mode', ('bold', {})),
('enter_dim_mode', ('dim', {})),
('enter_fullscreen', ('smcup', {})),
('enter_standout_mode', ('standout', {})),
('enter_superscript_mode', ('superscript', {})),
('enter_susimpleript_mode', ('susimpleript', {})),
('enter_underline_mode', ('underline', {})),
('erase_chars', ('ech', {'nparams': 1})),
('exit_alt_charset_mode', ('rmacs', {})),
('exit_am_mode', ('rmam', {})),
('exit_attribute_mode', ('sgr0', {})),
('exit_ca_mode', ('rmcup', {})),
('exit_fullscreen', ('rmcup', {})),
('exit_insert_mode', ('rmir', {})),
('exit_standout_mode', ('rmso', {})),
('exit_underline_mode', ('rmul', {})),
('flash_hook', ('hook', {})),
('flash_screen', ('flash', {})),
('insert_line', ('il1', {})),
('keypad_local', ('rmkx', {})),
('keypad_xmit', ('smkx', {})),
('meta_off', ('rmm', {})),
('meta_on', ('smm', {})),
('orig_pair', ('op', {})),
('parm_down_cursor', ('cud', {'nparams': 1})),
('parm_left_cursor', ('cub', {'nparams': 1, 'match_grouped': True})),
('parm_dch', ('dch', {'nparams': 1})),
('parm_delete_line', ('dl', {'nparams': 1})),
('parm_ich', ('ich', {'nparams': 1})),
('parm_index', ('indn', {'nparams': 1})),
('parm_insert_line', ('il', {'nparams': 1})),
('parm_right_cursor', ('cuf', {'nparams': 1, 'match_grouped': True})),
('parm_rindex', ('rin', {'nparams': 1})),
('parm_up_cursor', ('cuu', {'nparams': 1})),
('print_screen', ('mc0', {})),
('prtr_off', ('mc4', {})),
('prtr_on', ('mc5', {})),
('reset_1string', ('r1', {})),
('reset_2string', ('r2', {})),
('reset_3string', ('r3', {})),
('restore_cursor', ('rc', {})),
('row_address', ('vpa', {'nparams': 1})),
('save_cursor', ('sc', {})),
('scroll_forward', ('ind', {})),
('scroll_reverse', ('rev', {})),
('set0_des_seq', ('s0ds', {})),
('set1_des_seq', ('s1ds', {})),
('set2_des_seq', ('s2ds', {})),
('set3_des_seq', ('s3ds', {})),
# this 'color' is deceiving, but often matching, and a better match
# than set_a_attributes1 or set_a_foreground.
('color', ('_foreground_color', {'nparams': 1, 'match_any': True, 'numeric': 1})),
('set_a_foreground', ('color', {'nparams': 1, 'match_any': True, 'numeric': 1})),
('set_a_background', ('on_color', {'nparams': 1, 'match_any': True, 'numeric': 1})),
('set_tab', ('hts', {})),
('tab', ('ht', {})),
('italic', ('sitm', {})),
('no_italic', ('sitm', {})),
))
_ESC = re.escape('\x1b')
_CSI = rf'{_ESC}\['
_ANY_NOTESC = rf'[^{_ESC}]*'
CAPABILITIES_RAW_MIXIN: typing.Dict[str, str] = {
'bell': re.escape('\a'),
'carriage_return': re.escape('\r'),
'cursor_left': re.escape('\b'),
'cursor_report': rf'{_CSI}(\d+)\;(\d+)R',
'cursor_right': rf'{_CSI}C',
'exit_attribute_mode': rf'{_CSI}m',
'parm_left_cursor': rf'{_CSI}(\d+)D',
'parm_right_cursor': rf'{_CSI}(\d+)C',
'restore_cursor': rf'{_CSI}u',
'save_cursor': rf'{_CSI}s',
'scroll_forward': re.escape('\n'),
'set0_des_seq': re.escape('\x1b(B'),
'tab': re.escape('\t'),
}
CAPABILITIES_ADDITIVES: typing.Dict[
str, typing.Union[typing.Tuple[str, str, int], typing.Tuple[str, str]]] = {
'link': (rf'{_ESC}\]8;{_ANY_NOTESC};{_ANY_NOTESC}{_ESC}\\', 'link', 1),
'color256': (rf'{_CSI}38;5;\d+m', 'color', 1),
'on_color256': (rf'{_CSI}48;5;\d+m', 'on_color', 1),
'color_rgb': (rf'{_CSI}38;2;\d+;\d+;\d+m', 'color_rgb', 3),
'on_color_rgb': (rf'{_CSI}48;2;\d+;\d+;\d+m', 'on_color_rgb', 3),
'shift_in': (re.escape('\x0f'), ''),
'shift_out': (re.escape('\x0e'), ''),
# sgr(...) outputs strangely, use the basic ANSI/EMCA-48 codes here.
'set_a_attributes1': (rf'{_CSI}\d+m', 'sgr', 1),
'set_a_attributes2': (rf'{_CSI}\d+\;\d+m', 'sgr', 2),
'set_a_attributes3': (rf'{_CSI}\d+\;\d+\;\d+m', 'sgr', 3),
'set_a_attributes4': (rf'{_CSI}\d+\;\d+\;\d+\;\d+m', 'sgr', 4),
# this helps where xterm's sgr0 includes set0_des_seq, we'd
# rather like to also match this immediate substring.
'sgr0': (rf'{_CSI}m', 'sgr0'),
'backspace': (re.escape('\b'), ''),
'ascii_tab': (CAPABILITIES_RAW_MIXIN['tab'], ''),
'clr_eol': (rf'{_CSI}K', ''),
'clr_eol0': (rf'{_CSI}0K', ''),
'clr_bol': (rf'{_CSI}1K', ''),
'clr_eosK': (rf'{_CSI}2K', ''),
}
CAPABILITIES_HORIZONTAL_DISTANCE: typing.Dict[str, int] = {
'ascii_tab': 8,
'backspace': -1,
'cursor_left': -1,
'cursor_right': 1,
'parm_left_cursor': -1,
'parm_right_cursor': 1,
'tab': 8,
}
CAPABILITIES_CAUSE_MOVEMENT: typing.Tuple[str, ...] = tuple(CAPABILITIES_HORIZONTAL_DISTANCE) + (
'carriage_return',
'clear_screen',
'column_address',
'cursor_address',
'cursor_down',
'cursor_home',
'cursor_up',
'enter_fullscreen',
'exit_fullscreen',
'parm_down_cursor',
'parm_up_cursor',
'restore_cursor',
'row_address',
'scroll_forward',
)
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