Class: Habaki::Values

Inherits:
NodeArray show all
Defined in:
lib/habaki/values.rb

Overview

Array of Values

Instance Method Summary collapse

Methods inherited from NodeArray

#string_join, #to_s

Instance Method Details

#each_value(klass = nil, &block) ⇒ void

This method returns an undefined value.

traverse values with optional class type

Parameters:

  • klass (Class) (defaults to: nil) 


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# File 'lib/habaki/values.rb', line 7

def each_value(klass = nil, &block)
  each do |value|
    block.call value if !klass || value.is_a?(klass)
  end
end

#read_from_katana(vals) ⇒ void

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

This method returns an undefined value.

Parameters:



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# File 'lib/habaki/values.rb', line 46

def read_from_katana(vals)
  vals.each do |val|
    push read_from_unit(val)
  end
end

#remove_value(value) ⇒ void

This method returns an undefined value.

remove value taking care of operator in list

Parameters:



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# File 'lib/habaki/values.rb', line 16

def remove_value(value)
  idx = index(value)
  prev_val = at(idx - 1)
  next_val = at(idx + 1)
  if prev_val&.is_a?(Operator)
    delete_at(idx)
    delete_at(idx - 1)
  elsif next_val&.is_a?(Operator)
    delete_at(idx + 1)
    delete_at(idx)
  else
    delete_at(idx)
  end
end

#string(format = Formatter::Base.new) ⇒ String

Parameters:

Returns:



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# File 'lib/habaki/values.rb', line 33

def string(format = Formatter::Base.new)
  str = ""
  each_cons(2) do |val|
    str += val[0].string(format)
    str += val[1].is_a?(Operator) || val[0].is_a?(Operator) ? "" : " "
  end
  str += last.string(format) if last
  str
end