Contents

#
# $Id: volume.rb 3883 2008-02-10 11:48:23Z aamine $
#
# Copyright (c) 2002-2007 Minero Aoki
#
# This program is free software.
# You can distribute or modify this program under the terms of
# the GNU LGPL, Lesser General Public License version 2.1.
# For details of the GNU LGPL, see the file "COPYING".
#

module ReVIEW

  class Volume

    def Volume.count_file(path)
      b = c = l = 0
      File.foreach(path) do |line|
        next if %r<\A\#@> =~ line
        text = line.gsub(/\s+/, '')
        b += text.bytesize
        c += text.charsize
        l += 1
      end
      new(b, c, l)
    end

    def Volume.sum(vols)
      vols.inject(new()) {|sum, i| sum + i }
    end

    def Volume.dummy
      new(-1, -1, -1)
    end

    def initialize(bytes = 0, chars = 0, lines = 0)
      @bytes = bytes
      @chars = chars
      @lines = lines
    end

    attr_reader :bytes
    attr_reader :chars
    attr_accessor :lines

    def kbytes
      (@bytes.to_f / 1024).ceil
    end

    def page
      (kbytes.to_f/ReVIEW.book.page_metric.page_per_kbyte).ceil
    end

    def to_s
      "#{kbytes()}KB #{@chars}C #{@lines}L #{page()}P"
    end

    def +(other)
      Volume.new(@bytes + other.bytes,
                 @chars + other.chars,
                 @lines + other.lines)
    end

  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
review-1.0.0	lib/review/volume.rb
review-0.9.0	lib/review/volume.rb
review-0.6.0	lib/review/volume.rb