Class: IRB::Kit::Handlers::Editor

Inherits:
Abstract
  • Object
show all
Defined in:
lib/irb/kit/handlers/editor.rb

Overview

Handles editing of source code.

Instance Method Summary collapse

Constructor Details

#initialize(environment: ENV, kernel: Kernel) ⇒ Editor

Returns a new instance of Editor.



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# File 'lib/irb/kit/handlers/editor.rb', line 8

def initialize(environment: ENV, kernel: Kernel, **)
  @environment = environment
  @kernel = kernel
  super(**)
end

Instance Method Details

#call(path, line = nil) ⇒ Object 



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# File 'lib/irb/kit/handlers/editor.rb', line 14

def call path, line = nil
  path_and_line = [path, line].join ":"

  if path && Pathname(path).exist?
    io.puts "Editing: #{path_and_line}..."
    kernel.system %(#{environment.fetch "EDITOR"} #{path_and_line})
  else
    io.puts "ERROR (invalid path): #{path}."
  end
rescue KeyError then io.puts "ERROR: The `EDITOR` environment variable must be defined."
end