Class: Looksee::Editor

Inherits:
Object
  • Object
show all
Defined in:
lib/looksee/editor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command) ⇒ Editor

Returns a new instance of Editor.



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# File 'lib/looksee/editor.rb', line 5

def initialize(command)
  @command = command.dup
  infer_arguments
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/looksee/editor.rb', line 10

def command
  @command
end

Instance Method Details

#command_for(file, line) ⇒ Object

Return the editor command for the given file and line.

This is an array of the command with its arguments.



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# File 'lib/looksee/editor.rb', line 40

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

#edit(object, method_name) ⇒ Object

Run the editor command for the method_name of object.



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# File 'lib/looksee/editor.rb', line 15

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(file, line) ⇒ Object

Run the editor command for the given file and line.



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# File 'lib/looksee/editor.rb', line 31

def run(file, line)
  system *command_for(file, line)
end