Class: Yoke::Alias

Inherits:
Object
  • Object
show all
Defined in:
lib/yoke/alias.rb

Class Method Summary collapse

Class Method Details

.add(path, name) ⇒ Object 



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# File 'lib/yoke/alias.rb', line 17

def add(path, name)
  Yoke::Base.create_alias_file
  if list.has_key?(name)
    false
  else
    content = []
    added = false
    File.readlines(Yoke::Base.alias_file_path).each do |line|
      if line.start_with? "alias"
        alias_extract = line.scan(/^alias\s(\w+)\=\"cd '(.+)'\"$/).last
        if alias_extract[1] == path
          content << alias_string(name, path)
          added = true
        else
          content << line
        end
      else
        content << line
      end
    end
    File.open(Yoke::Base.alias_file_path, "w") do |file|
      content.each { |line| file.puts line }
    end
    unless added
      File.open(Yoke::Base.alias_file_path, 'a') do |file|
        file.puts alias_string(name, path)
      end
    end
    true
  end
end

.alias_string(name, path) ⇒ Object 



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# File 'lib/yoke/alias.rb', line 72

def alias_string(name, path)
  "alias #{name.split.join('_').downcase}=\"cd '#{path}'\""
end

.list ⇒ Object 



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# File 'lib/yoke/alias.rb', line 4

def list
  return {} unless Yoke::Base.has_alias_file?

  aliases = {}
  File.readlines(Yoke::Base.alias_file_path).each do |line|
    if line.start_with? "alias"
      alias_extract = line.scan(/^alias\s(\w+)\=\"cd '(.+)'\"$/).last
      aliases[alias_extract[0]] = alias_extract[1]
    end
  end
  aliases
end

.remove(path, name) ⇒ Object 



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# File 'lib/yoke/alias.rb', line 49

def remove(path, name)
  return false unless Yoke::Base.has_alias_file?

  if list.has_key?(name)
    content = []
    File.readlines(Yoke::Base.alias_file_path).each do |line|
      if line.start_with? "alias"
        alias_extract = line.scan(/^alias\s(\w+)\=\"cd '(.+)'\"$/).last
        if alias_extract[0] != name
          content << line
        end
      else
        content << line
      end
    end
    File.open(Yoke::Base.alias_file_path, "w") do |file|
      content.each { |line| file.puts line }
    end
  else
    false
  end
end