Module: Yosina::Transliterators::ProlongedSoundMarks::CharType

Included in:
Transliterator
Defined in:
lib/yosina/transliterators/prolonged_sound_marks.rb

Overview

Mix-in for character type checks

Constant Summary collapse

HYPHEN_LIKE_CHARS =

Hyphen-like characters that can be converted to prolonged sound marks

[
  0x002d,  # HYPHEN-MINUS
  0x2010,  # HYPHEN
  0x2014,  # EM DASH
  0x2015,  # HORIZONTAL BAR
  0x2212,  # MINUS SIGN
  0xff0d,  # FULLWIDTH HYPHEN-MINUS
  0xff70,  # HALFWIDTH KATAKANA-HIRAGANA PROLONGED SOUND MARK (already converted)
  0x30fc   # KATAKANA-HIRAGANA PROLONGED SOUND MARK (already converted)
].freeze

Instance Method Summary collapse

Instance Method Details

#alphanumeric?(char_code) ⇒ Boolean

Check if character is alphanumeric

Returns:

  • (Boolean) 


58
59
60
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 58

def alphanumeric?(char_code)
  halfwidth_alphanumeric?(char_code) || fullwidth_alphanumeric?(char_code)
end

#fullwidth?(char_code) ⇒ Boolean

Check if character is fullwidth Japanese

Returns:

  • (Boolean) 


53
54
55
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 53

def fullwidth?(char_code)
  char_code == 0x30fc || hiragana?(char_code) || katakana?(char_code) || fullwidth_alphanumeric?(char_code)
end

#fullwidth_alphanumeric?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


46
47
48
49
50
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 46

def fullwidth_alphanumeric?(char_code)
  (char_code >= 0xff10 && char_code <= 0xff19) ||
    (char_code >= 0xff21 && char_code <= 0xff3a) ||
    (char_code >= 0xff41 && char_code <= 0xff5a)
end

#halfwidth?(char_code) ⇒ Boolean

Check if character is halfwidth Japanese

Returns:

  • (Boolean) 


22
23
24
25
26
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 22

def halfwidth?(char_code)
  halfwidth_alphanumeric?(char_code) ||
    (char_code >= 0xff66 && char_code <= 0xff6f) ||
    (char_code >= 0xff70 && char_code <= 0xff9f)
end

#halfwidth_alphanumeric?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
43
44
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 40

def halfwidth_alphanumeric?(char_code)
  (char_code >= 0x30 && char_code <= 0x39) ||
    (char_code >= 0x41 && char_code <= 0x5A) ||
    (char_code >= 0x61 && char_code <= 0x7A)
end

#hatsuon?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


62
63
64
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 62

def hatsuon?(char_code)
  [0x3093, 0x30f3, 0xff9d].include?(char_code)
end

#hiragana?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


28
29
30
31
32
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 28

def hiragana?(char_code)
  (char_code >= 0x3041 && char_code <= 0x309c &&
    char_code != 0x3063 && char_code != 0x3093) ||
    char_code == 0x309f
end

#hyphen_like?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


78
79
80
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 78

def hyphen_like?(char_code)
  HYPHEN_LIKE_CHARS.include?(char_code)
end

#katakana?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


34
35
36
37
38
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 34

def katakana?(char_code)
  (char_code >= 0x30a1 && char_code <= 0x30fa && char_code != 0x30c3 && char_code != 0x30f3) ||
    (char_code >= 0x30fd && char_code <= 0x30ff) ||
    (char_code >= 0xff70 && char_code <= 0xff9f && char_code != 0xff6f && char_code != 0xff9d)
end

#prolongable?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


74
75
76
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 74

def prolongable?(char_code)
  prolonged_sound_mark?(char_code) || hiragana?(char_code) || katakana?(char_code)
end

#prolonged_sound_mark?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


70
71
72
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 70

def prolonged_sound_mark?(char_code)
  [0x30fc, 0xff70].include?(char_code)
end

#sokuon?(char_code) ⇒ Boolean

Returns:

  • (Boolean) 


66
67
68
 
# File 'lib/yosina/transliterators/prolonged_sound_marks.rb', line 66

def sokuon?(char_code)
  [0x3063, 0x30c3, 0xff6f].include?(char_code)
end