Module: CharacterRanges

Included in:
RandomStringGenerator
Defined in:
lib/character_ranges.rb

Overview

CharacterRanges Module

CharacterRanges provides preset ranges for sets of ASCII characters for random password generation.

List of Ranges

upper_alphas

0x41..0x5a - A..Z

lower_alphas

0x61..0x7a - a..z

numerals

0x30..0x30 - 0..9

symbols_1

0x21..0x21 - !

symbols_2

0x23..0x26 - #..&

symbols_3

0x28..0x2f - (../

symbols_4

0x3a..0x40 - :..@

symbols_5

0x5b..0x5f - [.._

symbols_6

0x7b..0x7e - {..~

single_quotes

0x27..0x27 - ‘

double_quotes

0x22..0x22 - “

backtick

0x60..0x60 - ‘

Instance Method Summary collapse

Instance Method Details

#range(sym) ⇒ Object

Get a specific range. See “List of Ranges” above.

Example:

CharacterRanges.range( :upper_alphas ) => 0x41..0x5a



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
 
# File 'lib/character_ranges.rb', line 49

def range( sym )
  case sym.to_sym
  when :upper_alphas
    0x41..0x5a
  when :lower_alphas
    0x61..0x7a
  when :numerals
    0x30..0x39
  when :symbols_1
    0x21..0x21
  when :symbols_2
    0x23..0x26
  when :symbols_3
    0x28..0x2f
  when :symbols_4
    0x3a..0x40
  when :symbols_5
    0x5b..0x5f
  when :symbols_6
    0x7b..0x7e
  when :single_quotes
    0x27..0x27
  when :double_quotes
    0x22..0x22
  when :backtick
    0x60..0x60
  else
    raise ArgumentError, "#{sym.to_s} is an invalid range."
  end
end

#range_all ⇒ Object

All the ranges except the quote ranges (ie single, double, and backtick).



171
172
173
174
175
176
177
178
179
180
181
182
183
184
 
# File 'lib/character_ranges.rb', line 171

def range_all
  [ range(:upper_alphas), 
    range(:lower_alphas), 
    range(:numerals), 
    range(:symbols_1), 
    range(:symbols_2), 
    range(:symbols_3), 
    range(:symbols_4), 
    range(:symbols_5), 
    range(:symbols_6),
    range(:single_quotes),
    range(:double_quotes),
    range(:backtick) ]
end

#range_all_except_quotes ⇒ Object

All the ranges except the quote ranges (ie single, double, and backtick).



129
130
131
132
133
134
135
136
137
138
139
 
# File 'lib/character_ranges.rb', line 129

def range_all_except_quotes
  [ range(:upper_alphas), 
    range(:lower_alphas), 
    range(:numerals), 
    range(:symbols_1), 
    range(:symbols_2), 
    range(:symbols_3), 
    range(:symbols_4), 
    range(:symbols_5), 
    range(:symbols_6) ]
end

#range_backtick ⇒ Object

The backtick ASCII ranges as a single-member Array.

(0x60..0x60 - ‘)



164
165
166
 
# File 'lib/character_ranges.rb', line 164

def range_backtick
  [ range(:backtick) ]
end

#range_double_quotes ⇒ Object

The double quotes ASCII ranges as a single-member Array.

(0x22..0x22 - “)



155
156
157
 
# File 'lib/character_ranges.rb', line 155

def range_double_quotes
  [ range(:double_quotes) ]
end

#range_lower_alphas ⇒ Object

The lower case alpha ASCII range as a single-member Array.

(0x61..0x7a - a..z)



94
95
96
 
# File 'lib/character_ranges.rb', line 94

def range_lower_alphas
  [ range(:lower_alphas) ]
end

#range_numerals ⇒ Object

The numeral ASCII ranges as a single-member Array.

0x30..0x30 - 0..9



103
104
105
 
# File 'lib/character_ranges.rb', line 103

def range_numerals
  [ range(:numerals) ]
end

#range_single_quotes ⇒ Object

The single quotes ASCII ranges as a single-member Array.

(0x27..0x27 - ‘)



146
147
148
 
# File 'lib/character_ranges.rb', line 146

def range_single_quotes
  [ range(:single_quotes) ]
end

#range_symbols ⇒ Object

The symbols ASCII ranges as a 6-member Array.

symbols_1

0x21..0x21 - !

symbols_2

0x23..0x26 - #..&

symbols_3

0x28..0x2f - (../

symbols_4

0x3a..0x40 - :..@

symbols_5

0x5b..0x5f - [.._

symbols_6

0x7b..0x7e - {..~



117
118
119
120
121
122
123
124
 
# File 'lib/character_ranges.rb', line 117

def range_symbols
  [ range(:symbols_1), 
    range(:symbols_2), 
    range(:symbols_3), 
    range(:symbols_4), 
    range(:symbols_5), 
    range(:symbols_6) ]
end

#range_upper_alphas ⇒ Object

The upper case alpha ASCII ranges as a single-member Array.

(0x41..0x5a - A..Z)



85
86
87
 
# File 'lib/character_ranges.rb', line 85

def range_upper_alphas
  [ range(:upper_alphas) ]
end