Class: Unitsml::Parse

Inherits:
Parslet::Parser
  • Object
show all
Includes:
Unitsdb
Defined in:
lib/unitsml/parse.rb

Instance Method Summary collapse

Methods included from Unitsdb

dimensions_hash, filtered_units, find_id, insert_vectors, load_dimensions, load_units, load_yaml, parsable_dimensions, prefixes, prefixes_hash, prefixs_ids, quantities, underscore, units, valid_path, vector

Instance Method Details

#arr_to_expression(arr, file_name) ⇒ Object 



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# File 'lib/unitsml/parse.rb', line 57

def arr_to_expression(arr, file_name)
  array = arr&.flatten&.compact&.sort_by(&:length).reverse
  array&.reduce do |expression, expr_string|
    expression = str(expression).as(file_name.to_sym) if expression.is_a?(String)
    expression | str(expr_string).as(file_name.to_sym)
  end
end

#extend_exp(rule) ⇒ Object 



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# File 'lib/unitsml/parse.rb', line 69

def extend_exp(rule)
  (extender >> intermediate_exp(rule).as(:sequence)).maybe
end

#intermediate_exp(rule) ⇒ Object 



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# File 'lib/unitsml/parse.rb', line 73

def intermediate_exp(rule)
  rule | (str("(") >> rule >> str(")"))
end

#sqrt(rule) ⇒ Object 



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# File 'lib/unitsml/parse.rb', line 65

def sqrt(rule)
  str("sqrt(") >> rule.as(:sqrt) >> str(")")
end