Class: String

Inherits:
Object
  • Object
show all
Defined in:
lib/migemo/core_ext/string.rb

Constant Summary collapse

HANZEN_TAB = 
{
" " => "　", "!" => "！", '"' => "”", "#" => "＃", 
"\$" => "＄", "%" => "％", "&" => "＆", "'" => "’",
"(" => "（", ")" => "）", "*" => "＊", "+" => "＋",
"," => "，", "-" => "−", "." => "．", "/" => "／",
"0" => "０", "1" => "１", "2" => "２", "3" => "３",
"4" => "４", "5" => "５", "6" => "６", "7" => "７",
"8" => "８", "9" => "９", ":" => "：", ";" => "；",
"<" => "＜", "=" => "＝", ">" => "＞", "?" => "？",
'@' => "＠", "A" => "Ａ", "B" => "Ｂ", "C" => "Ｃ",
"D" => "Ｄ", "E" => "Ｅ", "F" => "Ｆ", "G" => "Ｇ",
"H" => "Ｈ", "I" => "Ｉ", "J" => "Ｊ", "K" => "Ｋ",
"L" => "Ｌ", "M" => "Ｍ", "N" => "Ｎ", "O" => "Ｏ",
"P" => "Ｐ", "Q" => "Ｑ", "R" => "Ｒ", "S" => "Ｓ",
"T" => "Ｔ", "U" => "Ｕ", "V" => "Ｖ", "W" => "Ｗ",
"X" => "Ｘ", "Y" => "Ｙ", "Z" => "Ｚ", "[" => "［", 
"\\" => "＼", "]" => "］", "^" => "＾", "_" => "＿",
"`" => "‘", "a" => "ａ", "b" => "ｂ", "c" => "ｃ",
"d" => "ｄ", "e" => "ｅ", "f" => "ｆ", "g" => "ｇ",
"h" => "ｈ", "i" => "ｉ", "j" => "ｊ", "k" => "ｋ",
"l" => "ｌ", "m" => "ｍ", "n" => "ｎ", "o" => "ｏ",
"p" => "ｐ", "q" => "ｑ", "r" => "ｒ", "s" => "ｓ",
"t" => "ｔ", "u" => "ｕ", "v" => "ｖ", "w" => "ｗ",
"x" => "ｘ", "y" => "ｙ", "z" => "ｚ", "{" => "｛",
"|" => "｜", "}" => "｝", "~" => "‾"}
HANZEN_RE =

‘

Regexp.new(HANZEN_TAB.keys.sort.map {|x| 
  Regexp.quote(x)
}.join('|'))

Instance Method Summary collapse

Instance Method Details

#first ⇒ Object 



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# File 'lib/migemo/core_ext/string.rb', line 8

def first
  /^(\\.|.)/ =~ self
  $1
end

#last ⇒ Object 



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# File 'lib/migemo/core_ext/string.rb', line 13

def last
  /(\\.|.)$/ =~ self
  $1
end

#prefix_match(string) ⇒ Object 



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# File 'lib/migemo/core_ext/string.rb', line 57

def prefix_match (string)
  self[0, string.length] <=> string
end

#rest ⇒ Object 



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# File 'lib/migemo/core_ext/string.rb', line 18

def rest
  /^(\\.|.)(.*)/ =~ self
  $2
end

#to_fullwidth ⇒ Object 



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# File 'lib/migemo/core_ext/string.rb', line 53

def to_fullwidth
  self.gsub(HANZEN_RE) {|s| HANZEN_TAB[s]}
end

#to_katakana ⇒ Object

Hiragana to Katakana



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# File 'lib/migemo/core_ext/string.rb', line 4

def to_katakana
  self.gsub(/う゛/, 'ヴ').tr('ぁ-ん', 'ァ-ン')
end