2019-04-27 01:53:09 -04:00
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class Reline::Config
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2019-06-01 18:39:12 -04:00
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attr_reader :test_mode
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2019-07-04 07:58:11 -04:00
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KEYSEQ_PATTERN = /\\(?:C|Control)-[A-Za-z_]|\\(?:M|Meta)-[0-9A-Za-z_]|\\(?:C|Control)-(?:M|Meta)-[A-Za-z_]|\\(?:M|Meta)-(?:C|Control)-[A-Za-z_]|\\e|\\[\\\"\'abdfnrtv]|\\\d{1,3}|\\x\h{1,2}|./
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2019-07-04 05:54:50 -04:00
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2019-06-01 23:14:29 -04:00
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class InvalidInputrc < RuntimeError
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attr_accessor :file, :lineno
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end
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2019-05-12 14:24:15 -04:00
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VARIABLE_NAMES = %w{
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bind-tty-special-chars
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blink-matching-paren
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byte-oriented
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completion-ignore-case
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convert-meta
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disable-completion
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enable-keypad
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expand-tilde
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history-preserve-point
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2019-05-12 14:26:10 -04:00
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history-size
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2019-05-12 14:24:15 -04:00
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horizontal-scroll-mode
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input-meta
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2019-05-24 10:38:40 -04:00
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keyseq-timeout
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2019-05-12 14:24:15 -04:00
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mark-directories
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mark-modified-lines
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mark-symlinked-directories
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match-hidden-files
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meta-flag
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output-meta
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page-completions
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prefer-visible-bell
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print-completions-horizontally
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show-all-if-ambiguous
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show-all-if-unmodified
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visible-stats
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2020-07-12 17:47:43 -04:00
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show-mode-in-prompt
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2020-12-28 23:28:14 -05:00
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vi-cmd-mode-string
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vi-ins-mode-string
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2020-07-12 17:47:43 -04:00
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emacs-mode-string
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2020-11-26 05:13:34 -05:00
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enable-bracketed-paste
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2020-12-21 14:38:01 -05:00
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isearch-terminators
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2019-05-12 14:24:15 -04:00
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}
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VARIABLE_NAME_SYMBOLS = VARIABLE_NAMES.map { |v| :"#{v.tr(?-, ?_)}" }
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VARIABLE_NAME_SYMBOLS.each do |v|
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attr_accessor v
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end
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2019-04-27 01:53:09 -04:00
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def initialize
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2019-06-01 18:28:26 -04:00
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@additional_key_bindings = {} # from inputrc
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2021-04-05 03:03:53 -04:00
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@additional_key_bindings[:emacs] = {}
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@additional_key_bindings[:vi_insert] = {}
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@additional_key_bindings[:vi_command] = {}
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2021-09-05 10:33:59 -04:00
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@oneshot_key_bindings = {}
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2019-04-27 01:53:09 -04:00
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@skip_section = nil
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2019-06-01 23:14:29 -04:00
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@if_stack = nil
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2019-04-27 01:53:09 -04:00
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@editing_mode_label = :emacs
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@keymap_label = :emacs
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2022-02-18 16:11:33 -05:00
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@keymap_prefix = []
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2019-04-27 01:53:09 -04:00
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@key_actors = {}
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@key_actors[:emacs] = Reline::KeyActor::Emacs.new
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@key_actors[:vi_insert] = Reline::KeyActor::ViInsert.new
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@key_actors[:vi_command] = Reline::KeyActor::ViCommand.new
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2020-12-28 23:28:14 -05:00
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@vi_cmd_mode_string = '(cmd)'
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@vi_ins_mode_string = '(ins)'
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2020-07-12 17:47:43 -04:00
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@emacs_mode_string = '@'
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2020-04-25 14:18:38 -04:00
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# https://tiswww.case.edu/php/chet/readline/readline.html#IDX25
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2020-04-24 13:20:52 -04:00
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@history_size = -1 # unlimited
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2019-05-24 10:38:40 -04:00
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@keyseq_timeout = 500
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2019-06-01 18:39:12 -04:00
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@test_mode = false
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2021-08-29 12:49:41 -04:00
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@autocompletion = false
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2021-12-06 09:26:38 -05:00
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@convert_meta = true if seven_bit_encoding?(Reline::IOGate.encoding)
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2019-04-27 01:53:09 -04:00
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end
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def reset
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if editing_mode_is?(:vi_command)
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@editing_mode_label = :vi_insert
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end
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2021-04-05 03:03:53 -04:00
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@additional_key_bindings.keys.each do |key|
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@additional_key_bindings[key].clear
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end
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2021-09-05 10:33:59 -04:00
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@oneshot_key_bindings.clear
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2021-04-08 22:57:23 -04:00
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reset_default_key_bindings
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2019-04-27 01:53:09 -04:00
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end
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def editing_mode
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@key_actors[@editing_mode_label]
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end
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def editing_mode=(val)
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@editing_mode_label = val
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end
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def editing_mode_is?(*val)
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(val.respond_to?(:any?) ? val : [val]).any?(@editing_mode_label)
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end
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2021-08-29 12:23:20 -04:00
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def autocompletion=(val)
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@autocompletion = val
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end
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def autocompletion
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@autocompletion
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end
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2019-04-27 01:53:09 -04:00
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def keymap
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@key_actors[@keymap_label]
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end
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2020-03-21 05:13:50 -04:00
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def inputrc_path
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case ENV['INPUTRC']
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when nil, ''
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else
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2020-04-21 05:17:27 -04:00
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return File.expand_path(ENV['INPUTRC'])
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end
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# In the XDG Specification, if ~/.config/readline/inputrc exists, then
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# ~/.inputrc should not be read, but for compatibility with GNU Readline,
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# if ~/.inputrc exists, then it is given priority.
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2020-04-23 14:10:41 -04:00
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home_rc_path = File.expand_path('~/.inputrc')
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return home_rc_path if File.exist?(home_rc_path)
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2020-04-21 05:17:27 -04:00
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2020-04-24 04:54:54 -04:00
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case path = ENV['XDG_CONFIG_HOME']
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2020-04-21 05:17:27 -04:00
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when nil, ''
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else
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2020-04-24 04:54:54 -04:00
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path = File.join(path, 'readline/inputrc')
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return path if File.exist?(path) and path == File.expand_path(path)
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2020-03-21 05:13:50 -04:00
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end
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2020-04-23 14:10:41 -04:00
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2020-04-24 04:54:54 -04:00
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path = File.expand_path('~/.config/readline/inputrc')
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return path if File.exist?(path)
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2020-04-23 14:10:41 -04:00
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return home_rc_path
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2020-03-21 05:13:50 -04:00
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end
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2021-08-25 08:56:49 -04:00
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private def default_inputrc_path
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@default_inputrc_path ||= inputrc_path
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end
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2019-06-01 23:06:49 -04:00
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def read(file = nil)
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2021-08-25 08:56:49 -04:00
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file ||= default_inputrc_path
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2019-04-27 01:53:09 -04:00
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begin
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if file.respond_to?(:readlines)
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lines = file.readlines
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else
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2019-06-01 01:57:36 -04:00
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lines = File.readlines(file)
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2019-04-27 01:53:09 -04:00
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end
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rescue Errno::ENOENT
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return nil
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end
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2019-06-01 23:14:29 -04:00
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read_lines(lines, file)
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2019-04-27 01:53:09 -04:00
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self
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2019-06-01 23:14:29 -04:00
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rescue InvalidInputrc => e
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warn e.message
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nil
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2019-04-27 01:53:09 -04:00
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end
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2019-05-31 20:05:58 -04:00
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def key_bindings
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2021-09-06 14:17:22 -04:00
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# The key bindings for each editing mode will be overwritten by the user-defined ones.
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2021-09-06 14:19:50 -04:00
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kb = @key_actors[@editing_mode_label].default_key_bindings.dup
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kb.merge!(@additional_key_bindings[@editing_mode_label])
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kb.merge!(@oneshot_key_bindings)
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kb
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2021-09-05 10:33:59 -04:00
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end
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def add_oneshot_key_binding(keystroke, target)
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@oneshot_key_bindings[keystroke] = target
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end
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def reset_oneshot_key_bindings
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@oneshot_key_bindings.clear
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2021-04-05 03:03:53 -04:00
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end
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def add_default_key_binding_by_keymap(keymap, keystroke, target)
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@key_actors[keymap].default_key_bindings[keystroke] = target
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2019-05-31 20:05:58 -04:00
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end
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def add_default_key_binding(keystroke, target)
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2021-04-05 03:03:53 -04:00
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@key_actors[@keymap_label].default_key_bindings[keystroke] = target
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2019-05-31 20:05:58 -04:00
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end
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def reset_default_key_bindings
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2021-04-05 03:03:53 -04:00
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@key_actors.values.each do |ka|
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ka.reset_default_key_bindings
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end
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2019-05-31 20:05:58 -04:00
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end
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2019-06-01 23:14:29 -04:00
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def read_lines(lines, file = nil)
|
2021-07-24 02:01:22 -04:00
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if not lines.empty? and lines.first.encoding != Reline.encoding_system_needs
|
2021-06-21 09:12:06 -04:00
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begin
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lines = lines.map do |l|
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l.encode(Reline.encoding_system_needs)
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rescue Encoding::UndefinedConversionError
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mes = "The inputrc encoded in #{lines.first.encoding.name} can't be converted to the locale #{Reline.encoding_system_needs.name}."
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raise Reline::ConfigEncodingConversionError.new(mes)
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end
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end
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2021-04-19 23:00:08 -04:00
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end
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2019-06-01 23:14:29 -04:00
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conditions = [@skip_section, @if_stack]
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@skip_section = nil
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@if_stack = []
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lines.each_with_index do |line, no|
|
2019-07-04 05:46:34 -04:00
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next if line.match(/\A\s*#/)
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2019-05-31 20:05:58 -04:00
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2019-06-01 23:14:29 -04:00
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no += 1
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|
2019-07-04 05:49:42 -04:00
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line = line.chomp.lstrip
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2019-07-27 20:52:07 -04:00
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if line.start_with?('$')
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2019-06-01 23:14:29 -04:00
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handle_directive(line[1..-1], file, no)
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2019-04-27 01:53:09 -04:00
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next
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end
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next if @skip_section
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|
2019-07-27 20:52:07 -04:00
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case line
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when /^set +([^ ]+) +([^ ]+)/i
|
2020-07-20 07:52:07 -04:00
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var, value = $1.downcase, $2
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2019-04-27 01:53:09 -04:00
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bind_variable(var, value)
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next
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2019-07-27 20:52:07 -04:00
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when /\s*("#{KEYSEQ_PATTERN}+")\s*:\s*(.*)\s*$/o
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2019-04-27 01:53:09 -04:00
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key, func_name = $1, $2
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2019-05-31 20:05:58 -04:00
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keystroke, func = bind_key(key, func_name)
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2019-07-04 05:54:50 -04:00
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next unless keystroke
|
2022-02-18 16:11:33 -05:00
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@additional_key_bindings[@keymap_label][@keymap_prefix + keystroke] = func
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2019-04-27 01:53:09 -04:00
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end
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end
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2019-06-01 23:14:29 -04:00
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unless @if_stack.empty?
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raise InvalidInputrc, "#{file}:#{@if_stack.last[1]}: unclosed if"
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end
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ensure
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@skip_section, @if_stack = conditions
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2019-04-27 01:53:09 -04:00
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end
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2019-06-01 23:14:29 -04:00
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def handle_directive(directive, file, no)
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2019-04-27 01:53:09 -04:00
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directive, args = directive.split(' ')
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case directive
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when 'if'
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condition = false
|
2019-12-18 08:57:25 -05:00
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case args
|
2019-04-27 01:53:09 -04:00
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when 'mode'
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when 'term'
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when 'version'
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else # application name
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condition = true if args == 'Ruby'
|
2019-06-01 23:21:09 -04:00
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condition = true if args == 'Reline'
|
2019-04-27 01:53:09 -04:00
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end
|
2019-06-01 23:14:29 -04:00
|
|
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@if_stack << [file, no, @skip_section]
|
2019-04-27 01:53:09 -04:00
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@skip_section = !condition
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when 'else'
|
2019-06-01 23:14:29 -04:00
|
|
|
if @if_stack.empty?
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raise InvalidInputrc, "#{file}:#{no}: unmatched else"
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|
end
|
2019-04-27 01:53:09 -04:00
|
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@skip_section = !@skip_section
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|
|
when 'endif'
|
2019-06-01 23:14:29 -04:00
|
|
|
if @if_stack.empty?
|
|
|
|
raise InvalidInputrc, "#{file}:#{no}: unmatched endif"
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
2019-06-01 23:14:29 -04:00
|
|
|
@skip_section = @if_stack.pop
|
2019-04-27 01:53:09 -04:00
|
|
|
when 'include'
|
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|
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read(args)
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|
|
end
|
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|
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end
|
|
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|
|
def bind_variable(name, value)
|
|
|
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case name
|
2020-01-06 07:50:48 -05:00
|
|
|
when 'history-size'
|
2020-05-03 01:36:33 -04:00
|
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begin
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|
@history_size = Integer(value)
|
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|
rescue ArgumentError
|
|
|
|
@history_size = 500
|
|
|
|
end
|
2019-04-27 01:53:09 -04:00
|
|
|
when 'bell-style'
|
|
|
|
@bell_style =
|
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|
|
case value
|
|
|
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when 'none', 'off'
|
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|
:none
|
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when 'audible', 'on'
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:audible
|
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|
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when 'visible'
|
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|
|
:visible
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|
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|
else
|
|
|
|
:audible
|
|
|
|
end
|
|
|
|
when 'comment-begin'
|
|
|
|
@comment_begin = value.dup
|
|
|
|
when 'completion-query-items'
|
|
|
|
@completion_query_items = value.to_i
|
|
|
|
when 'isearch-terminators'
|
2020-12-21 14:38:01 -05:00
|
|
|
@isearch_terminators = retrieve_string(value)
|
2019-04-27 01:53:09 -04:00
|
|
|
when 'editing-mode'
|
|
|
|
case value
|
|
|
|
when 'emacs'
|
|
|
|
@editing_mode_label = :emacs
|
|
|
|
@keymap_label = :emacs
|
2022-02-18 16:11:33 -05:00
|
|
|
@keymap_prefix = []
|
2019-04-27 01:53:09 -04:00
|
|
|
when 'vi'
|
|
|
|
@editing_mode_label = :vi_insert
|
|
|
|
@keymap_label = :vi_insert
|
2022-02-18 16:11:33 -05:00
|
|
|
@keymap_prefix = []
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
|
|
|
when 'keymap'
|
|
|
|
case value
|
2022-02-18 16:11:33 -05:00
|
|
|
when 'emacs', 'emacs-standard'
|
2019-04-27 01:53:09 -04:00
|
|
|
@keymap_label = :emacs
|
2022-02-18 16:11:33 -05:00
|
|
|
@keymap_prefix = []
|
|
|
|
when 'emacs-ctlx'
|
|
|
|
@keymap_label = :emacs
|
|
|
|
@keymap_prefix = [?\C-x.ord]
|
|
|
|
when 'emacs-meta'
|
|
|
|
@keymap_label = :emacs
|
|
|
|
@keymap_prefix = [?\e.ord]
|
2019-04-27 01:53:09 -04:00
|
|
|
when 'vi', 'vi-move', 'vi-command'
|
|
|
|
@keymap_label = :vi_command
|
2022-02-18 16:11:33 -05:00
|
|
|
@keymap_prefix = []
|
2019-04-27 01:53:09 -04:00
|
|
|
when 'vi-insert'
|
|
|
|
@keymap_label = :vi_insert
|
2022-02-18 16:11:33 -05:00
|
|
|
@keymap_prefix = []
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
2019-05-24 10:38:40 -04:00
|
|
|
when 'keyseq-timeout'
|
|
|
|
@keyseq_timeout = value.to_i
|
2020-07-12 17:47:43 -04:00
|
|
|
when 'show-mode-in-prompt'
|
|
|
|
case value
|
|
|
|
when 'off'
|
|
|
|
@show_mode_in_prompt = false
|
|
|
|
when 'on'
|
|
|
|
@show_mode_in_prompt = true
|
|
|
|
else
|
|
|
|
@show_mode_in_prompt = false
|
|
|
|
end
|
|
|
|
when 'vi-cmd-mode-string'
|
2020-12-28 23:28:14 -05:00
|
|
|
@vi_cmd_mode_string = retrieve_string(value)
|
2020-07-12 17:47:43 -04:00
|
|
|
when 'vi-ins-mode-string'
|
2020-12-28 23:28:14 -05:00
|
|
|
@vi_ins_mode_string = retrieve_string(value)
|
2020-07-12 17:47:43 -04:00
|
|
|
when 'emacs-mode-string'
|
2020-07-20 07:52:07 -04:00
|
|
|
@emacs_mode_string = retrieve_string(value)
|
2020-01-06 07:50:48 -05:00
|
|
|
when *VARIABLE_NAMES then
|
|
|
|
variable_name = :"@#{name.tr(?-, ?_)}"
|
|
|
|
instance_variable_set(variable_name, value.nil? || value == '1' || value == 'on')
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
2020-07-20 07:52:07 -04:00
|
|
|
def retrieve_string(str)
|
2021-04-13 22:23:07 -04:00
|
|
|
str = $1 if str =~ /\A"(.*)"\z/
|
2021-04-19 23:00:08 -04:00
|
|
|
parse_keyseq(str).map { |c| c.chr(Reline.encoding_system_needs) }.join
|
2020-07-20 07:52:07 -04:00
|
|
|
end
|
|
|
|
|
2019-04-27 01:53:09 -04:00
|
|
|
def bind_key(key, func_name)
|
2019-07-04 05:54:50 -04:00
|
|
|
if key =~ /\A"(.*)"\z/
|
2019-05-31 20:05:58 -04:00
|
|
|
keyseq = parse_keyseq($1)
|
2019-04-27 01:53:09 -04:00
|
|
|
else
|
|
|
|
keyseq = nil
|
|
|
|
end
|
|
|
|
if func_name =~ /"(.*)"/
|
2019-05-31 20:05:58 -04:00
|
|
|
func = parse_keyseq($1)
|
2019-04-27 01:53:09 -04:00
|
|
|
else
|
2019-05-31 20:05:58 -04:00
|
|
|
func = func_name.tr(?-, ?_).to_sym # It must be macro.
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
|
|
|
[keyseq, func]
|
|
|
|
end
|
|
|
|
|
2019-05-31 20:05:58 -04:00
|
|
|
def key_notation_to_code(notation)
|
2019-04-27 01:53:09 -04:00
|
|
|
case notation
|
2019-07-04 07:58:11 -04:00
|
|
|
when /\\(?:C|Control)-([A-Za-z_])/
|
2019-05-31 20:05:58 -04:00
|
|
|
(1 + $1.downcase.ord - ?a.ord)
|
2019-07-04 07:58:11 -04:00
|
|
|
when /\\(?:M|Meta)-([0-9A-Za-z_])/
|
2019-04-27 01:53:09 -04:00
|
|
|
modified_key = $1
|
2019-05-31 20:05:58 -04:00
|
|
|
case $1
|
|
|
|
when /[0-9]/
|
|
|
|
?\M-0.bytes.first + (modified_key.ord - ?0.ord)
|
|
|
|
when /[A-Z]/
|
|
|
|
?\M-A.bytes.first + (modified_key.ord - ?A.ord)
|
|
|
|
when /[a-z]/
|
|
|
|
?\M-a.bytes.first + (modified_key.ord - ?a.ord)
|
|
|
|
end
|
2019-07-04 07:58:11 -04:00
|
|
|
when /\\(?:C|Control)-(?:M|Meta)-[A-Za-z_]/, /\\(?:M|Meta)-(?:C|Control)-[A-Za-z_]/
|
2019-04-27 01:53:09 -04:00
|
|
|
# 129 M-^A
|
2019-05-31 20:05:58 -04:00
|
|
|
when /\\(\d{1,3})/ then $1.to_i(8) # octal
|
|
|
|
when /\\x(\h{1,2})/ then $1.to_i(16) # hexadecimal
|
|
|
|
when "\\e" then ?\e.ord
|
|
|
|
when "\\\\" then ?\\.ord
|
|
|
|
when "\\\"" then ?".ord
|
|
|
|
when "\\'" then ?'.ord
|
|
|
|
when "\\a" then ?\a.ord
|
|
|
|
when "\\b" then ?\b.ord
|
|
|
|
when "\\d" then ?\d.ord
|
|
|
|
when "\\f" then ?\f.ord
|
|
|
|
when "\\n" then ?\n.ord
|
|
|
|
when "\\r" then ?\r.ord
|
|
|
|
when "\\t" then ?\t.ord
|
|
|
|
when "\\v" then ?\v.ord
|
|
|
|
else notation.ord
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
def parse_keyseq(str)
|
2019-05-31 20:05:58 -04:00
|
|
|
ret = []
|
2019-07-04 05:54:50 -04:00
|
|
|
str.scan(KEYSEQ_PATTERN) do
|
2019-05-31 20:05:58 -04:00
|
|
|
ret << key_notation_to_code($&)
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|
|
|
|
ret
|
|
|
|
end
|
2021-12-06 09:26:38 -05:00
|
|
|
|
|
|
|
private def seven_bit_encoding?(encoding)
|
|
|
|
encoding == Encoding::US_ASCII
|
|
|
|
end
|
2019-04-27 01:53:09 -04:00
|
|
|
end
|