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Contents
require 'shellwords'
module Looksee
class Editor
def initialize(command)
@command = command.dup
infer_arguments
end
attr_reader :command
#
# Run the editor command for the +method_name+ of +object+.
#
def edit(object, method_name)
method = LookupPath.new(object).find(method_name.to_s) or
raise NoMethodError, "no method `#{method_name}' in lookup path of #{object.class} instance"
file, line = method.source_location
if !file
raise NoSourceLocationError, "no source location for #{method.owner}##{method.name}"
elsif !File.exist?(file)
raise NoSourceFileError, "cannot find source file: #{file}"
else
run(file, line)
end
end
#
# Run the editor command for the given file and line.
#
def run(file, line)
system *command_for(file, line)
end
#
# Return the editor command for the given file and line.
#
# This is an array of the command with its arguments.
#
def command_for(file, line)
line = line.to_s
words = Shellwords.shellwords(command)
words.map! do |word|
word.gsub!(/%f/, file)
word.gsub!(/%l/, line)
word.gsub!(/%%/, '%')
word
end
end
private
def infer_arguments
return if command =~ /%[fl]/
case command[/\S+/]
when /\A(?:g?vim?|.*macs|pico|nano)\z/
command << " +%l %f"
when 'mate'
command << " -l%l %f"
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems