Class: String

Inherits:
Object show all
Defined in:
lib/muflax/regex.rb,
lib/muflax/string.rb

Overview

Copyright Freya Dorn <[email protected]>, 2013 License: GNU GPL 3 <www.gnu.org/copyleft/gpl.html>

Constant Summary collapse

ANSIColorRegexp = 
Regexp.new(/(?: \e \[ \d+ (?: ;\d+)* m )+/x)
HALFWIDTH_KANA = 
"｡｢｣､･ｦｧｨｩｪｫｬｭｮｯｰｱｲｳｴｵｶｷｸｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜﾝﾞﾟ"
FULLWIDTH_KANA = 
"。「」、・ヲァィゥェォャュョッーアイウエオカキクケコサシスセソタチツテトナニヌネノハヒフヘホマミムメモヤユヨラリルレロワン゛゜"

Instance Method Summary collapse

Instance Method Details

#color(name) ⇒ Object 



66
67
68
 
# File 'lib/muflax/string.rb', line 66

def color name
  HighLine.color(self, name)
end

#first(limit = 1) ⇒ Object 



42
43
44
45
46
47
 
# File 'lib/muflax/string.rb', line 42

def first limit=1
  if limit == 0       ; ""
  elsif limit >= size ; dup
  else                ; self[0..(limit - 1)]
  end
end

#fullwidth ⇒ Object 



73
74
75
 
# File 'lib/muflax/string.rb', line 73

def fullwidth
  tr(" !-~" + HALFWIDTH_KANA, "\u3000" + (0xFF01...0xFF5f).to_a.pack('U*') + FULLWIDTH_KANA)
end

#indent(amount, indent_string = nil, indent_empty_lines = false) ⇒ Object 



62
63
64
 
# File 'lib/muflax/string.rb', line 62

def indent amount, indent_string = nil, indent_empty_lines = false
  dup.tap { |_| _.indent!(amount, indent_string, indent_empty_lines) }
end

#indent!(amount, indent_string = nil, indent_empty_lines = false) ⇒ Object 



56
57
58
59
60
 
# File 'lib/muflax/string.rb', line 56

def indent! amount, indent_string = nil, indent_empty_lines = false
  indent_string = indent_string || self[/^[ \t]/] || " "
  re = indent_empty_lines ? /^/ : /^(?!$)/
  gsub!(re, indent_string * amount)
end

#last(limit = 1) ⇒ Object 



49
50
51
52
53
54
 
# File 'lib/muflax/string.rb', line 49

def last limit=1
  if limit == 0       ; ""
  elsif limit >= size ; dup
  else                ; self[(-limit)..-1]
  end
end

#mgsub(replacements = {}) ⇒ Object Also known as: gsub_all 



7
8
9
10
11
12
13
 
# File 'lib/muflax/regex.rb', line 7

def mgsub replacements={}
  str = self.dup

  str.mgsub! replacements

  str
end

#mgsub!(replacements = {}) ⇒ Object Also known as: gsub_all! 



16
17
18
19
20
21
22
 
# File 'lib/muflax/regex.rb', line 16

def mgsub! replacements={}
  replacements.each do |a, b|
    self.gsub! a, b
  end

  self
end

#truncate(length, omission: "...") ⇒ Object 



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/muflax/string.rb', line 16

def truncate length, omission: "..."
  return self if self.length <= length

  ss          = StringScanner.new(self)
  out         = ss.scan(ANSIColorRegexp) || ""
  cut_length  = length - omission.str_length
  used        = 0
  cut_at      = 0

  while used < length and not ss.eos?
    out << ss.getch
    c = ss.scan(ANSIColorRegexp)
    out << c unless c.nil?
    used += 1

    cut_at = out.length if used == cut_length
  end

  if not ss.eos?
    out = out[0, cut_at]
    out << omission
  end

  out
end

#whackuum(str = /\s+/) ⇒ Object 



10
11
12
 
# File 'lib/muflax/string.rb', line 10

def whackuum str=/\s+/
  self.split(str).map(&:strip)
end