module Modeselector

Modeselector - extract mode line variables from source code files

Modeselector

Constants

VERSION

Public Class Methods

modelines(path) click to toggle source

Retrieve modelines, if any

Assumes file exists.

@path a file path (String)

# File lib/modeselector.rb, line 62
def self.modelines(path)
  single_line_modelines(path) + multiline_modelines(path)
end

multiline_modelines(path) click to toggle source

Retrieve multiline modelines, if any

Assumes file exists.

@path a file path (String)

# 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) click to toggle source

Retrieve single line vim and emacs variables, if any

Assumes file exists.

@path a file path (String)

# 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