Class: Tamebou::Parser

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

Constant Summary collapse

VALID_PATTERN = 
/\A\s*validates(\s+|\():([\w\d_]+)?/.freeze
SINGLE_LINE_VALIDATION_PATTERN = 
/\A\s*validates(\s+|\():([\w\d_]+)?\s*,(.+)/.freeze
FIELD_NAME_INDEX = 
2
OPTIONS_INDEX = 
3

Class Method Summary collapse

Class Method Details

.parse(line) ⇒ Object 



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# File 'lib/tamebou/parser.rb', line 8

def self.parse(line)
  valid_result = line.match(VALID_PATTERN)
  return nil if valid_result.nil?

  if supported_result = line.match(SINGLE_LINE_VALIDATION_PATTERN)
    options_in_str = supported_result[OPTIONS_INDEX]

    options = begin
      to_hash(options_in_str)
    rescue SyntaxError => e
      options_in_str
    end

    { field_name: supported_result[FIELD_NAME_INDEX], options: options }
  else
    { field_name: valid_result[FIELD_NAME_INDEX] }
  end
end