Module: Modeselector

Defined in:
lib/version.rb,
lib/modeselector.rb

Overview

Modeselector - extract mode line variables from source code files

Constant Summary collapse

VERSION = 
'0.2'

Class Method Summary collapse

Class Method Details

.modelines(path) ⇒ Object

Retrieve modelines, if any

Assumes file exists.



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# File 'lib/modeselector.rb', line 62

def self.modelines(path)
  single_line_modelines(path) + multiline_modelines(path)
end

.multiline_modelines(path) ⇒ Object

Retrieve multiline modelines, if any

Assumes file exists.



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# File 'lib/modeselector.rb', line 33

def self.multiline_modelines(path)
  results = []

  inside_multiline_modeline = false

  File.foreach(path).with_index do |line, line_number|
    if inside_multiline_modeline
      results << [line_number + 1, line.chomp]

      if line =~ /End:/
        inside_multiline_modeline = false
      end
    elsif line =~ /Local Variables:/
      results << [line_number + 1, line.chomp]

      inside_multiline_modeline = true
    end
  end

  results
end

.single_line_modelines(path) ⇒ Object

Retrieve single line vim and emacs variables, if any

Assumes file exists.



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# File 'lib/modeselector.rb', line 14

def self.single_line_modelines(path)
  results = []

  File.foreach(path).with_index do |line, line_number|
    if line =~ /(vim:\s)|(-\*- mode:.+-\*-)/
      results << [line_number + 1, line.chomp]
    end
  end

  results
end