Class: String

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

Overview

Provides support methods for string manipulation

Instance Method Summary collapse

Instance Method Details

#camelcase(first_letter_capitalized = true) ⇒ Object

Converts dashes, underscores, and spaces to camelcase

“foo_bar_baz”.camelcase => “FooBarBaz” “FooBarBaz”.camelcase(false) => “fooBarBaz”



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

def camelcase(first_letter_capitalized = true)
  # Convert separators
  camelcase = gsub(/[ _-]([^ _-])/) do |match|
    $1.upcase
  end
  
  # Convert first letter
  if first_letter_capitalized
    camelcase[0..0].upcase + camelcase[1..-1]
  else
    camelcase[0..0].downcase + camelcase[1..-1]
  end
end

#demodulize ⇒ Object

Removes module and class prefixes

“Foo::Bar::Baz”.demodulize => “Baz”



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# File 'lib/string.rb', line 25

def demodulize
  self[/([^:]+)$/]
end

#module_path ⇒ Object

Converts the string into a conventional path.



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# File 'lib/string.rb', line 37

def module_path
  File.join(module_split.map {|e| e.underscore })
end

#module_split ⇒ Object

Splits the string into module and class components

“Foo::Bar::Baz”.module_split => [“Foo”, “Bar”, “Baz”]



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

def module_split
  self.split /::/
end

#underscore(force_lower_case = true) ⇒ Object

Converts dashes, spaces, and capitals to underscore separators.

“FooBar-Baz Whee”.underscore => ‘foo_bar_baz_whee’



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# File 'lib/string.rb', line 44

def underscore(force_lower_case = true)
  # Convert separators
  underscore = gsub(/[ -]/, '_')

  # Convert capitals
  underscore.gsub!(/(.)([A-Z])/) do |match|
    $1 + '_' + $2
  end

  # Drop double underscores
  underscore.gsub!(/_+/, '_')

  if force_lower_case
    underscore.downcase
  else
    underscore
  end
end