Class: Renamr::Configurator

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

Overview

Handles input parameters.

Constant Summary collapse

DIC = 
[
  ['-a', '--act',     'Real renaming.',              :act],
  ['-r', '--rec',     'Passes recursively.',         :rec],
  ['-l', '--lim',     'Limits name length.',         :lim],
  ['-m', '--mod',     'Prepends modification time.', :mod],
  ['-d', '--dir dir', 'Directory to rename.',        :dir],
  ['-s', '--src src', 'A string to substitute.',     :src],
  ['-t', '--dst dst', 'A string to replace to.',     :dst],
  ['-w', '--wid wid', 'Width of the table.',         :wid]
].freeze

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configurator

Returns a new instance of Configurator.



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# File 'lib/renamr/configurator.rb', line 50

def initialize
  @options = {}
  OptionParser.new do |o|
    o.banner = "Usage: #{File.basename($PROGRAM_NAME)} [options]."
    DIC.each { |f, p, d, k| o.on(f, p, d) { |i| @options[k] = i } }
    add(o)
  end.parse!
  validate
end

Instance Method Details

#act? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/renamr/configurator.rb', line 71

def act?
  @options[:act]
end

#add(opt) ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 44

def add(opt)
  add_cut(opt)
  add_prepend(opt)
  add_version(opt)
end

#add_cut(opt) ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 23

def add_cut(opt)
  opt.on('-c', '--cut pos,len', Array, 'Removes symbols from pos.') do |l|
    @options[:pos] = l[0]
    @options[:len] = l[1]
  end
end

#add_prepend(opt) ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 30

def add_prepend(opt)
  opt.on('-p', '--prepend str,beg', Array, 'Prepend a string.') do |l|
    @options[:pre] = l[0]
    @options[:beg] = l[1].nil? ? 0 : l[1].to_i
  end
end

#add_version(opt) ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 37

def add_version(opt)
  opt.on('-v', '--version', 'Show version.') do
    puts "#{File.basename($PROGRAM_NAME)} #{VERSION} #{DATE}"
    exit
  end
end

#beg ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 103

def beg
  @options[:beg]
end

#dir ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 87

def dir
  @options[:dir]
end

#dst ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 95

def dst
  @options[:dst]
end

#len ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 111

def len
  @options[:len]
end

#lim? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/renamr/configurator.rb', line 79

def lim?
  @options[:lim]
end

#mod? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/renamr/configurator.rb', line 83

def mod?
  @options[:mod]
end

#pos ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 107

def pos
  @options[:pos]
end

#pre ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 99

def pre
  @options[:pre]
end

#rec? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/renamr/configurator.rb', line 75

def rec?
  @options[:rec]
end

#src ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 91

def src
  @options[:src]
end

#validate ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 60

def validate
  if dir.nil?
    @options[:dir] = Dir.pwd
  else
    raise "No such directory: #{dir}." unless File.directory?(dir)

    @options[:dir] = File.expand_path(dir)
  end
  raise "Width of the table should exceeds 14 symbols: #{wid}." if wid < 15
end

#wid ⇒ Object 



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# File 'lib/renamr/configurator.rb', line 115

def wid
  if @options[:wid].nil?
    # Reads current terminal width.
    wid = `tput cols`
    wid.to_s.empty? ? 79 : wid.to_i
  else
    @options[:wid].to_i
  end
end