AlkantarClanX12
Your IP : 18.191.202.48
require 'io/console'
require 'io/wait'
require 'timeout'
require_relative 'terminfo'
class Reline::ANSI
CAPNAME_KEY_BINDINGS = {
'khome' => :ed_move_to_beg,
'kend' => :ed_move_to_end,
'kcuu1' => :ed_prev_history,
'kcud1' => :ed_next_history,
'kcuf1' => :ed_next_char,
'kcub1' => :ed_prev_char,
'cuu' => :ed_prev_history,
'cud' => :ed_next_history,
'cuf' => :ed_next_char,
'cub' => :ed_prev_char,
}
if Reline::Terminfo.enabled?
Reline::Terminfo.setupterm(0, 2)
end
def self.encoding
Encoding.default_external
end
def self.win?
false
end
def self.set_default_key_bindings(config)
if Reline::Terminfo.enabled?
set_default_key_bindings_terminfo(config)
else
set_default_key_bindings_comprehensive_list(config)
end
{
# extended entries of terminfo
[27, 91, 49, 59, 53, 67] => :em_next_word, # Ctrl+→, extended entry
[27, 91, 49, 59, 53, 68] => :ed_prev_word, # Ctrl+←, extended entry
[27, 91, 49, 59, 51, 67] => :em_next_word, # Meta+→, extended entry
[27, 91, 49, 59, 51, 68] => :ed_prev_word, # Meta+←, extended entry
}.each_pair do |key, func|
config.add_default_key_binding_by_keymap(:emacs, key, func)
config.add_default_key_binding_by_keymap(:vi_insert, key, func)
config.add_default_key_binding_by_keymap(:vi_command, key, func)
end
{
[27, 91, 90] => :completion_journey_up, # S-Tab
}.each_pair do |key, func|
config.add_default_key_binding_by_keymap(:emacs, key, func)
config.add_default_key_binding_by_keymap(:vi_insert, key, func)
end
{
# default bindings
[27, 32] => :em_set_mark, # M-<space>
[24, 24] => :em_exchange_mark, # C-x C-x
}.each_pair do |key, func|
config.add_default_key_binding_by_keymap(:emacs, key, func)
end
end
def self.set_default_key_bindings_terminfo(config)
key_bindings = CAPNAME_KEY_BINDINGS.map do |capname, key_binding|
begin
key_code = Reline::Terminfo.tigetstr(capname)
case capname
# Escape sequences that omit the move distance and are set to defaults
# value 1 may be sometimes sent by pressing the arrow-key.
when 'cuu', 'cud', 'cuf', 'cub'
[ key_code.sub(/%p1%d/, '').bytes, key_binding ]
else
[ key_code.bytes, key_binding ]
end
rescue Reline::Terminfo::TerminfoError
# capname is undefined
end
end.compact.to_h
key_bindings.each_pair do |key, func|
config.add_default_key_binding_by_keymap(:emacs, key, func)
config.add_default_key_binding_by_keymap(:vi_insert, key, func)
config.add_default_key_binding_by_keymap(:vi_command, key, func)
end
end
def self.set_default_key_bindings_comprehensive_list(config)
{
# Console (80x25)
[27, 91, 49, 126] => :ed_move_to_beg, # Home
[27, 91, 52, 126] => :ed_move_to_end, # End
[27, 91, 51, 126] => :key_delete, # Del
[27, 91, 65] => :ed_prev_history, # ↑
[27, 91, 66] => :ed_next_history, # ↓
[27, 91, 67] => :ed_next_char, # →
[27, 91, 68] => :ed_prev_char, # ←
# KDE
[27, 91, 72] => :ed_move_to_beg, # Home
[27, 91, 70] => :ed_move_to_end, # End
# Del is 0x08
[27, 71, 65] => :ed_prev_history, # ↑
[27, 71, 66] => :ed_next_history, # ↓
[27, 71, 67] => :ed_next_char, # →
[27, 71, 68] => :ed_prev_char, # ←
# urxvt / exoterm
[27, 91, 55, 126] => :ed_move_to_beg, # Home
[27, 91, 56, 126] => :ed_move_to_end, # End
# GNOME
[27, 79, 72] => :ed_move_to_beg, # Home
[27, 79, 70] => :ed_move_to_end, # End
# Del is 0x08
# Arrow keys are the same of KDE
# iTerm2
[27, 27, 91, 67] => :em_next_word, # Option+→, extended entry
[27, 27, 91, 68] => :ed_prev_word, # Option+←, extended entry
[195, 166] => :em_next_word, # Option+f
[195, 162] => :ed_prev_word, # Option+b
[27, 79, 65] => :ed_prev_history, # ↑
[27, 79, 66] => :ed_next_history, # ↓
[27, 79, 67] => :ed_next_char, # →
[27, 79, 68] => :ed_prev_char, # ←
}.each_pair do |key, func|
config.add_default_key_binding_by_keymap(:emacs, key, func)
config.add_default_key_binding_by_keymap(:vi_insert, key, func)
config.add_default_key_binding_by_keymap(:vi_command, key, func)
end
end
@@input = STDIN
def self.input=(val)
@@input = val
end
@@output = STDOUT
def self.output=(val)
@@output = val
end
@@buf = []
def self.inner_getc
unless @@buf.empty?
return @@buf.shift
end
until c = @@input.raw(intr: true) { @@input.wait_readable(0.1) && @@input.getbyte }
Reline.core.line_editor.resize
end
(c == 0x16 && @@input.raw(min: 0, tim: 0, &:getbyte)) || c
rescue Errno::EIO
# Maybe the I/O has been closed.
nil
rescue Errno::ENOTTY
nil
end
@@in_bracketed_paste_mode = false
START_BRACKETED_PASTE = String.new("\e[200~,", encoding: Encoding::ASCII_8BIT)
END_BRACKETED_PASTE = String.new("\e[200~.", encoding: Encoding::ASCII_8BIT)
def self.getc_with_bracketed_paste
buffer = String.new(encoding: Encoding::ASCII_8BIT)
buffer << inner_getc
while START_BRACKETED_PASTE.start_with?(buffer) or END_BRACKETED_PASTE.start_with?(buffer) do
if START_BRACKETED_PASTE == buffer
@@in_bracketed_paste_mode = true
return inner_getc
elsif END_BRACKETED_PASTE == buffer
@@in_bracketed_paste_mode = false
ungetc(-1)
return inner_getc
end
begin
succ_c = nil
Timeout.timeout(Reline.core.config.keyseq_timeout * 100) {
succ_c = inner_getc
}
rescue Timeout::Error
break
else
buffer << succ_c
end
end
buffer.bytes.reverse_each do |ch|
ungetc ch
end
inner_getc
end
def self.getc
if Reline.core.config.enable_bracketed_paste
getc_with_bracketed_paste
else
inner_getc
end
end
def self.in_pasting?
@@in_bracketed_paste_mode or (not Reline::IOGate.empty_buffer?)
end
def self.empty_buffer?
unless @@buf.empty?
return false
end
!@@input.wait_readable(0)
end
def self.ungetc(c)
@@buf.unshift(c)
end
def self.retrieve_keybuffer
begin
return unless @@input.wait_readable(0.001)
str = @@input.read_nonblock(1024)
str.bytes.each do |c|
@@buf.push(c)
end
rescue EOFError
end
end
def self.get_screen_size
s = @@input.winsize
return s if s[0] > 0 && s[1] > 0
s = [ENV["LINES"].to_i, ENV["COLUMNS"].to_i]
return s if s[0] > 0 && s[1] > 0
[24, 80]
rescue Errno::ENOTTY
[24, 80]
end
def self.set_screen_size(rows, columns)
@@input.winsize = [rows, columns]
self
rescue Errno::ENOTTY
self
end
def self.cursor_pos
begin
res = +''
m = nil
@@input.raw do |stdin|
@@output << "\e[6n"
@@output.flush
loop do
c = stdin.getc
next if c.nil?
res << c
m = res.match(/\e\[(?<row>\d+);(?<column>\d+)R/)
break if m
end
(m.pre_match + m.post_match).chars.reverse_each do |ch|
stdin.ungetc ch
end
end
column = m[:column].to_i - 1
row = m[:row].to_i - 1
rescue Errno::ENOTTY
begin
buf = @@output.pread(@@output.pos, 0)
row = buf.count("\n")
column = buf.rindex("\n") ? (buf.size - buf.rindex("\n")) - 1 : 0
rescue Errno::ESPIPE
# Just returns column 1 for ambiguous width because this I/O is not
# tty and can't seek.
row = 0
column = 1
end
end
Reline::CursorPos.new(column, row)
end
def self.move_cursor_column(x)
@@output.write "\e[#{x + 1}G"
end
def self.move_cursor_up(x)
if x > 0
@@output.write "\e[#{x}A"
elsif x < 0
move_cursor_down(-x)
end
end
def self.move_cursor_down(x)
if x > 0
@@output.write "\e[#{x}B"
elsif x < 0
move_cursor_up(-x)
end
end
def self.hide_cursor
if Reline::Terminfo.enabled?
begin
@@output.write Reline::Terminfo.tigetstr('civis')
rescue Reline::Terminfo::TerminfoError
# civis is undefined
end
else
# ignored
end
end
def self.show_cursor
if Reline::Terminfo.enabled?
begin
@@output.write Reline::Terminfo.tigetstr('cnorm')
rescue Reline::Terminfo::TerminfoError
# cnorm is undefined
end
else
# ignored
end
end
def self.erase_after_cursor
@@output.write "\e[K"
end
def self.scroll_down(x)
return if x.zero?
@@output.write "\e[#{x}S"
end
def self.clear_screen
@@output.write "\e[2J"
@@output.write "\e[1;1H"
end
@@old_winch_handler = nil
def self.set_winch_handler(&handler)
@@old_winch_handler = Signal.trap('WINCH', &handler)
end
def self.prep
retrieve_keybuffer
nil
end
def self.deprep(otio)
Signal.trap('WINCH', @@old_winch_handler) if @@old_winch_handler
end
end