Class: String

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

Instance Method Summary collapse

Instance Method Details

#dashify ⇒ Object

Returns the string with ‘_’ translated to ‘-’

'data_set'.dashify  # => "data-set"



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# File 'lib/swivel.rb', line 34

def dashify
  self.tr('_', '-')
end

#numeric? ⇒ Boolean

Returns true if the string looks numeric

'1283.22'.numeric? # => true
'howdy'.numeric? # => false

Returns:

  • (Boolean) 


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

def numeric?
  # work around the bug in ruby ^ regexp matching
  string_sans_newlines = self.gsub(/\r|\n/, ' ')
  (string_sans_newlines =~ /^-?\d+(\.\d+|\d*)$/) != nil
end

#to_xml_tag ⇒ Object

Returns a string as a suitable xml tag by underscoring and dashifying. Not perfect, but serves its purpose.

'DataSet'.to_xml_tag # => "data-set"



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# File 'lib/swivel.rb', line 49

def to_xml_tag
  self.underscore.dasherize
end

#undashify ⇒ Object

Returns the string with ‘-’ translated to ‘_’

'data-set'.undashify  # => "data_set"



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# File 'lib/swivel.rb', line 41

def undashify
  self.tr('-', '_')
end