Class: Roebe::CelsiusToFahrenheit

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

Overview

Roebe::CelsiusToFahrenheit

Constant Summary

Constants inherited from Base

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

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, #exit_program, #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, #ogrey, #olive, #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, optional_hash = {}, run_already = true) ⇒ CelsiusToFahrenheit

#

initialize

The input may be an Array.

Usage example:

CelsiusToFahrenheit.new(how_much, log_into_this_file: csv_file)
#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 33

def initialize(
    i             = nil,
    optional_hash = {},
    run_already   = true
  )
  reset
  if optional_hash.is_a? Hash
    if optional_hash.has_key? :log_into_this_file
      @log_into_this_file = optional_hash.delete :log_into_this_file
    end
  end
  determine_start_point(i)
  run if run_already
end

Instance Method Details

#array? ⇒ Boolean

#

array?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 156

def array?
  @_
end

#build_main_array ⇒ Object

#

build_main_array

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 143

def build_main_array
  start?.upto(end?).each {|entry|
    n_fahrenheit = to_fahrenheit(entry)
    entry = '%3s' % entry
    n_fahrenheit = '%.2f' % n_fahrenheit
    n_fahrenheit = ('%7s' % n_fahrenheit).strip.rjust(6)
    @_ << [entry, n_fahrenheit]
  }
end

#consider_removing_old_csv_file ⇒ Object

#

consider_removing_old_csv_file

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 74

def consider_removing_old_csv_file
  File.delete(csv_file?) if File.exist? csv_file?
end

#csv_file? ⇒ Boolean

#

csv_file?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 67

def csv_file?
  @log_into_this_file
end

#determine_end_point(i = start?) ) ⇒ Object

#

determine_end_point (end tag)

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 103

def determine_end_point(i = start?)
  i = i.to_s.delete('-')
  @end_point = i.to_i
end

#determine_start_point(i = nil) ⇒ Object

#

determine_start_point

#


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

def determine_start_point(i = nil)
  i = i.join(' ').strip if i.is_a? Array
  if i.include? '-'
    splitted = i.split '-'
    determine_end_point(splitted.last)
    @start_point = splitted.first.to_i
  else
    @start_point = i.to_i
    determine_end_point # With the start point as argument.
  end
end

#display_dataset ⇒ Object

#

display_dataset

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 125

def display_dataset
  array?.each {|entry|
    e sfancy(entry.first)+' Celsius are '+sfancy(entry.last)+' Fahrenheit.'
  }
end

#end? ⇒ Boolean

#

end?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 111

def end?
  @end_point
end

#report_where_we_store_data ⇒ Object

#

report_where_we_store_data

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 81

def report_where_we_store_data
  e "Also storing into `#{sfile(csv_file?)}`."
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 51

def reset
  super()
  infer_the_namespace
  # ======================================================================= #
  # === @log_into_this_file
  # ======================================================================= #
  @log_into_this_file = '/tmp/test.csv'
  # ======================================================================= #
  # === @_
  # ======================================================================= #
  @_ = []
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 182

def run
  consider_removing_old_csv_file
  build_main_array
  store_dataset
  display_dataset
  report_where_we_store_data
end

#start? ⇒ Boolean

#

start?

#

Returns:

  • (Boolean) 


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 118

def start?
  @start_point
end

#store_dataset ⇒ Object

#

store_dataset

Here we will generate the .csv file finally.

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 165

def store_dataset
  append_what_into(
    'Celsius, Fahrenheit'+N,
    csv_file?
  )
  @_.each {|line|
    what = "#{line[0]} Celsius → #{line[1]} Fahrenheit\n"
    append_what_into(
      what,
      csv_file?
    )
  }
end

#to_fahrenheit(i) ⇒ Object

#

to_fahrenheit

Convert Celsius to Fahrenheit here.

#


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# File 'lib/roebe/classes/celsius_to_fahrenheit.rb', line 136

def to_fahrenheit(i)
  return (i.to_f * 9 / 5.0) + 32
end