Class: MODL::Parser::MODLMethod

Inherits:
Object
  • Object
show all
Defined in:
lib/modl/parser/modl_method.rb

Overview

Represents a *method defined by a MODL document.

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/modl/parser/modl_method.rb', line 5

def id
  @id
end

#name ⇒ Object

Returns the value of attribute name.



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# File 'lib/modl/parser/modl_method.rb', line 6

def name
  @name
end

#transform ⇒ Object

Returns the value of attribute transform.



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# File 'lib/modl/parser/modl_method.rb', line 7

def transform
  @transform
end

Instance Method Details

#name_or_id ⇒ Object 



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# File 'lib/modl/parser/modl_method.rb', line 9

def name_or_id
  @name.nil? ? @id : @name
end

#run(str) ⇒ Object

There is a user-defined method transform to run on the str



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# File 'lib/modl/parser/modl_method.rb', line 14

def run(str)
  # Consume the elements of the transform spec until there are none left.
  transform = @transform
  while transform && transform.length > 0
    if transform.start_with? 'replace'
      close_bracket = transform.index(')')
      m = Sutil.head(transform, close_bracket + 1).sub!('replace', 'r')
      str = StandardMethods.run_method(m, str)
      # Consume the subst clause
      close_bracket = transform.index(')')
      transform = Sutil.tail(transform, close_bracket + 2)
    elsif transform.start_with? 'trim'
      close_bracket = transform.index(')')
      m = Sutil.head(transform, close_bracket + 1).sub!('trim', 't')
      str = StandardMethods.run_method(m, str)
      # Consume the trunc clause
      close_bracket = transform.index(')')
      transform = Sutil.tail(transform, close_bracket + 2)
    elsif transform.start_with? 'initcap'
      str = str.split.map(&:capitalize) * ' '
      transform = Sutil.tail(transform, 8)
    elsif transform.start_with? 'upcase'
      raise InterpreterError, 'NOT IMPLEMENTED'
    elsif transform.start_with? 'downcase'
      raise InterpreterError, 'NOT IMPLEMENTED'
    elsif transform.start_with? 'sentence'
      raise InterpreterError, 'NOT IMPLEMENTED'
    elsif transform.start_with? 'urlencode'
      raise InterpreterError, 'NOT IMPLEMENTED'
    else
      raise InterpreterError, 'NOT IMPLEMENTED'
    end
  end
  str
end