Module: CoreExtensions::String

Defined in:
lib/core_ext.rb,
lib/core_ext.rb

Overview

BOOLEAN #########################################################################################

Constant Summary collapse

SPACE_CHAR_CLASS =

en.wikipedia.org/wiki/Whitespace_character#Unicode

'\p{Space}\u180e\u200b\u200c\u200d\u2060\ufeff'.freeze
LSTRIP_SPACE_REGEX = 
%r{\A[#{SPACE_CHAR_CLASS}]+}.freeze
RSTRIP_SPACE_REGEX = 
%r{[#{SPACE_CHAR_CLASS}]+\z}.freeze

Instance Method Summary collapse

Instance Method Details

#force_utf8 ⇒ Object 



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# File 'lib/core_ext.rb', line 38

def force_utf8
  if (encoding == Encoding::UTF_8) && valid_encoding?
    self
  else
    encode('utf-8', invalid: :replace, undef: :replace)
  end
end

#lstrip ⇒ Object 



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

def lstrip
  (encoding == Encoding::UTF_8) ? sub(LSTRIP_SPACE_REGEX, '') : super
end

#possessive ⇒ Object 



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# File 'lib/core_ext.rb', line 32

def possessive
  str = self + "'"
  str += 's' unless %r{(s|se|z|ze|ce|x|xe)$}i.match(self)
  str
end

#rstrip ⇒ Object 



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# File 'lib/core_ext.rb', line 17

def rstrip
  (encoding == Encoding::UTF_8) ? sub(RSTRIP_SPACE_REGEX, '') : super
end

#strip ⇒ Object 



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# File 'lib/core_ext.rb', line 21

def strip
  if encoding == Encoding::UTF_8
    dup.tap do |str|
      str.sub!(LSTRIP_SPACE_REGEX, '')
      str.sub!(RSTRIP_SPACE_REGEX, '')
    end
  else
    super
  end
end

#to_bool(default = nil) ⇒ Object 



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# File 'lib/core_ext.rb', line 176

def to_bool(default = nil)
  return true  if %w(true  1 yes on  t).include?(self.downcase.strip)
  return false if %w(false 0  no off f).include?(self.downcase.strip)
  default
end

#to_hex ⇒ Object 



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# File 'lib/core_ext.rb', line 46

def to_hex
  self.b.unpack('H*').first
end