/
edit.rb
61 lines (51 loc) · 1.57 KB
/
edit.rb
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require 'shellwords'
require_relative "nop"
module IRB
# :stopdoc:
module ExtendCommand
class Edit < Nop
category "Misc"
description 'Open a file with the editor command defined with `ENV["EDITOR"]`.'
class << self
def transform_args(args)
# Return a string literal as is for backward compatibility
if args.nil? || args.empty? || string_literal?(args)
args
else # Otherwise, consider the input as a String for convenience
args.strip.dump
end
end
end
def execute(*args)
path = args.first
if path.nil? && (irb_path = @irb_context.irb_path)
path = irb_path
end
if !File.exist?(path)
require_relative "show_source"
source =
begin
ShowSource.find_source(path, @irb_context)
rescue NameError
# if user enters a path that doesn't exist, it'll cause NameError when passed here because find_source would try to evaluate it as well
# in this case, we should just ignore the error
end
if source && File.exist?(source.file)
path = source.file
else
puts "Can not find file: #{path}"
return
end
end
if editor = ENV['EDITOR']
puts "command: '#{editor}'"
puts " path: #{path}"
system(*Shellwords.split(editor), path)
else
puts "Can not find editor setting: ENV['EDITOR']"
end
end
end
end
# :startdoc:
end