Class: Roebe::NibbleConverter

Inherits:
Base show all
Defined in:
lib/roebe/classes/nibble_converter.rb

Overview

Roebe::NibbleConverter.new

Constant Summary collapse

BASE_TO_USE =
#

BASE_TO_USE

#
16
CONVERSION_TABLE =
#

CONVERSION_TABLE

#
{
  '0' =>  0,
  '1' =>  1,
  '2' =>  2,
  '3' =>  3,
  '4' =>  4,
  '5' =>  5,
  '6' =>  6,
  '7' =>  7,
  '8' =>  8,
  '9' =>  9,
  'A' => 10,
  'B' => 11,
  'C' => 12,
  'D' => 13,
  'E' => 14,
  'F' => 15
}

Constants inherited from Base

Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N, Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#actions, #append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #complex_esystem, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkkhaki, #darkslateblue, #deeppink, #delete_symlink, #do_not_use_the_base_colours, #do_use_the_base_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #emphasis, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esteelblue, #etomato, #ewarn, #firebrick, #get_current_day, #get_current_month, #get_files_and_directories, #get_files_from, #get_german_name_for_this_weekday, #gold, #green, #grey, #hh_mm_ss, #hh_mm_ss_day_month_year, #home_dir?, #home_directory_of_user_x?, #infer_the_namespace, #internal_hash?, #is_a_directory?, #is_a_file?, #is_a_jpg_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_studium_available?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #le, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lightsteelblue, #lime, #limegreen, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumslateblue, #mediumspringgreen, #mediumturquoise, #mkdir_p, #mv, #n_days_in_this_month, #n_pages_in_this_pdf_file?, #namespace?, #no_file_exists_at, #olivedrab, #open_in_browser, #opne, #opnesystem, #opnn, #orange, #orchid, #orev, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #project_base_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #require_rescue, #reset_the_internal_hash, #return_all_directories_from_this_directory, #return_all_files_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #roebe_log_directory?, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #show_help, #silent_redirection?, #simp, #simple_esystem, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #string_italic, #swarn, #symlink, #teal, #temp_dir?, #to_camelcase, #to_counted_hash, #tomato, #touch, #try_to_require_the_beautiful_url_gem, #try_to_require_the_html_template, #try_to_require_the_open_gem, #try_to_require_the_program_information_gem, #try_to_require_the_xorg_buffer, #use_colours?, #verbose_truth, #weekday?, #word_wrap, #write_what_into, #yellow

Methods included from Base::CommandlineArguments

#append_onto_the_commandline_arguments, #clear_commandline_arguments, #commandline_arguments?, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #remove_hyphened_arguments_from_the_commandline_arguments, #return_commandline_arguments_with_leading_hyphens, #second_argument?, #set_commandline_arguments

Constructor Details

#initialize(i = nil, run_already = true) ⇒ NibbleConverter

#

initialize

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 88

def initialize(
    i           = nil,
    run_already = true
  )
  reset
  set_hexadecimal_number(i)
  run if run_already
end

Class Method Details

.[](i = '') ⇒ Object

#

[]

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 164

def self.[](i = '')
  self.new(i)
end

Instance Method Details

#base? ⇒ Boolean

#

base?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/nibble_converter.rb', line 114

def base?
  BASE_TO_USE
end

#do_the_conversion ⇒ Object

#

do_the_conversion

This method will do the actual conversion.

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 132

def do_the_conversion
  converted_value = 0
  counter = 3 # Start with this counter-value.
  splitted = @hexadecimal_number.chars
  splitted.each {|character|
    value = hexadecimal_value_for(character) * (base? ** counter)
    converted_value += value
    counter -= 1
  }
  e 'The hexacedimal-value of '+sfancy(input?.to_s)+' corresponds '\
    'to '+sfancy(converted_value)+'.'
end

#hexadecimal_number? ⇒ Boolean Also known as: input?

#

hexadecimal_number?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/nibble_converter.rb', line 107

def hexadecimal_number?
  @hexadecimal_number
end

#hexadecimal_value_for(i) ⇒ Object

#

hexadecimal_value_for

This method must return a number.

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 150

def hexadecimal_value_for(i)
  CONVERSION_TABLE[i]
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 100

def reset
  super()
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 157

def run
  do_the_conversion
end

#set_hexadecimal_number(i = '') ⇒ Object

#

set_hexadecimal_number

#


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# File 'lib/roebe/classes/nibble_converter.rb', line 121

def set_hexadecimal_number(i = '')
  i = i.first if i.is_a? Array
  i = i.to_s.dup
  @hexadecimal_number = i
end