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223d4448c8
(https://github.com/ruby/irb/pull/478) Given that `show_doc` already supports syntax like `String#gsub`, it should be able to take it in non-string form too, like `edit` and `show_source` do. This ensures users can have a consistent syntax on argument between different commands.
61 lines
1.6 KiB
Ruby
61 lines
1.6 KiB
Ruby
require 'shellwords'
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require_relative "nop"
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module IRB
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# :stopdoc:
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module ExtendCommand
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class Edit < Nop
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category "Misc"
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description 'Open a file with the editor command defined with `ENV["EDITOR"]`.'
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class << self
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def transform_args(args)
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# Return a string literal as is for backward compatibility
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if args.nil? || args.empty? || string_literal?(args)
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args
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else # Otherwise, consider the input as a String for convenience
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args.strip.dump
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end
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end
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end
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def execute(*args)
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path = args.first
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if path.nil? && (irb_path = @irb_context.irb_path)
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path = irb_path
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end
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if !File.exist?(path)
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require_relative "show_source"
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source =
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begin
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ShowSource.find_source(path, @irb_context)
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rescue NameError
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# 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
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# in this case, we should just ignore the error
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end
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if source && File.exist?(source.file)
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path = source.file
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else
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puts "Can not find file: #{path}"
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return
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end
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end
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if editor = ENV['EDITOR']
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puts "command: '#{editor}'"
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puts " path: #{path}"
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system(*Shellwords.split(editor), path)
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else
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puts "Can not find editor setting: ENV['EDITOR']"
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end
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end
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end
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end
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# :startdoc:
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end
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