Class: RDoc::Stats::Normal

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Subclasses: Verbose
Super Chains via Extension / Inclusion / Inheritance
Class Chain: self, Quiet
Instance Chain: self, Quiet
Inherits:	RDoc::Stats::Quiet Object RDoc::Stats::Quiet RDoc::Stats::Normal
Defined in:	lib/rdoc/stats/normal.rb

Overview

::RDoc::Stats printer that prints just the files being documented with a progress bar

Class Method Summary

Quiet - Inherited

.new	Creates a new Quiet that will print nothing.

Instance Method Summary

#print_file(files_so_far, filename)

Prints a file with a progress bar.

Quiet - Inherited

#begin_adding	Prints a message at the beginning of parsing.
#done_adding	Prints when ::RDoc::RDoc is done.
#print_alias	Prints when an alias is added.
#print_attribute	Prints when an attribute is added.
#print_class	Prints when a class is added.
#print_constant	Prints when a constant is added.
#print_file	Prints when a file is added.
#print_method	Prints when a method is added.
#print_module	Prints when a module is added.

Constructor Details

This class inherits a constructor from RDoc::Stats::Quiet

Instance Method Details

#print_file(files_so_far, filename)

Prints a file with a progress bar

[ GitHub ]

# File 'lib/rdoc/stats/normal.rb', line 20


def print_file files_so_far, filename
  progress_bar = sprintf("%3d%% [%2d/%2d]  ",
                         100 * files_so_far / @num_files,
                         files_so_far,
                         @num_files)

  # Print a progress bar, but make sure it fits on a single line. Filename
  # will be truncated if necessary.
  terminal_width = if defined?(IO) && IO.respond_to?(:console_size)
                     IO.console_size[1].to_i.nonzero? || 80
                   else
                     80
                   end
  max_filename_size = terminal_width - progress_bar.size

  if filename.size > max_filename_size then
    # Turn "some_long_filename.rb" to "...ong_filename.rb"
    filename = filename[(filename.size - max_filename_size) .. -1]
    filename[0..2] = "..."
  end

  line = "#{progress_bar}#{filename}"
  if $stdout.tty?
    # Clean the line with whitespaces so that leftover output from the
    # previous line doesn't show up.
    $stdout.print("\r" << (" " * @last_width) << ("\b" * @last_width) << "\r") if @last_width && @last_width > 0
    @last_width = line.size
    $stdout.print("#{line}\r")
  else
    $stdout.puts(line)
  end
  $stdout.flush
end