require 'io/wait'
class Reline::Dumb < Reline::IO
RESET_COLOR = '' # Do not send color reset sequence
attr_writer :output
def initialize(encoding: nil)
@input = STDIN
@output = STDOUT
@buf = []
@pasting = false
@encoding = encoding
@screen_size = [24, 80]
end
def dumb?
true
end
def encoding
if @encoding
@encoding
elsif RUBY_PLATFORM =~ /mswin|mingw/
Encoding::UTF_8
else
@input.external_encoding || Encoding.default_external
end
rescue IOError
# STDIN.external_encoding raises IOError in Ruby <= 3.0 when STDIN is closed
Encoding.default_external
end
def set_default_key_bindings(_)
end
def input=(val)
@input = val
end
def with_raw_input
yield
end
def write(string)
@output.write(string)
end
def buffered_output
yield
end
def getc(_timeout_second)
unless @buf.empty?
return @buf.shift
end
c = nil
loop do
Reline.core.line_editor.handle_signal
result = @input.wait_readable(0.1)
next if result.nil?
c = @input.read(1)
break
end
c&.ord
end
def ungetc(c)
@buf.unshift(c)
end
def get_screen_size
@screen_size
end
def cursor_pos
Reline::CursorPos.new(0, 0)
end
def hide_cursor
end
def show_cursor
end
def move_cursor_column(val)
end
def move_cursor_up(val)
end
def move_cursor_down(val)
end
def erase_after_cursor
end
def scroll_down(val)
end
def clear_screen
end
def set_screen_size(rows, columns)
@screen_size = [rows, columns]
end
def set_winch_handler(&handler)
end
def in_pasting?
@pasting
end
def prep
end
def deprep(otio)
end
end
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