Class: ConfigFile

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ ConfigFile

Path should be a String. Creates or opens a new configfile and immediately writes it back again, to add new features etc (just in case).



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# File 'lib/helpers.rb', line 253

def initialize(path)
  @path = path
  @template = ConfigTemplate.new
  @template.read_template(SMARBS::DATADIR + "/configuration.txt")

  if File.file?(@path)
    raise @path + " is not writable!" if not File.writable?(@path)
    read
    write
  else
    if Directory.writable?(File.dirname(@path)) # Create example file
      FileUtils.makedirs(File.dirname(@path)) # Create directory
      write
      puts "First run:\nConfig file created, edit " + @path + "!"
      @new = true
    else
      raise(File.dirname(@path) + " is not writable!")
    end
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object (private) 



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# File 'lib/helpers.rb', line 319

def method_missing(name, *args)
  eval "@template.#{name}(args[0])"
end

Instance Attribute Details

#new ⇒ Object (readonly)

Returns the value of attribute new.



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# File 'lib/helpers.rb', line 249

def new
  @new
end

Instance Method Details

#filename ⇒ Object

Returns the filename (name only!) of the configfile.



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# File 'lib/helpers.rb', line 275

def filename
  return File.basename(@path)
end

#intro ⇒ Object 



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# File 'lib/helpers.rb', line 288

def intro
  txt = nil
  File.open(SMARBS::DATADIR + "/intro.txt", "r") do |file|
    txt = file.readlines
  end
  txt[0] = txt[0].strip + " #{SMARBS::VERSION} (#{SMARBS::DATE})\n"
  txt.join
end

#outro ⇒ Object 



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# File 'lib/helpers.rb', line 297

def outro
  txt = nil
  File.open(SMARBS::DATADIR + "/outro.txt", "r") do |file|
    txt = file.readlines
  end
  txt.join
end

#read ⇒ Object 



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# File 'lib/helpers.rb', line 305

def read
  File.open(@path, "r") do |file|
    lines = file.readlines
    index1 = lines.index{|string| string.include? "-preferences-"}
    index2 = lines.index{|string| string.include? "-end of preferences-"}

    raise "Configfile #{@path} is invalid. Please delete it!" if index1 == nil or index2 == nil
    @template.clear
    @template.parse(lines[index1..index2])
  end
end

#write ⇒ Object

Puts the Configfile-text into the given file, with all the options as-is.



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# File 'lib/helpers.rb', line 280

def write 
  file=File.open(@path, "w")
  file.puts intro
  file.puts @template
  file.puts outro
  file.close
end