Class: Pact::MatchingRules::JsonPath

Inherits:
Object
  • Object
show all
Defined in:
lib/pact/matching_rules/jsonpath.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(path) ⇒ JsonPath

Returns a new instance of JsonPath.



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# File 'lib/pact/matching_rules/jsonpath.rb', line 13

def initialize(path)
  scanner = StringScanner.new(path)
  @path = []
  while not scanner.eos?
    if token = scanner.scan(/\$/)
      @path << token
    elsif token = scanner.scan(/@/)
      @path << token
    elsif token = scanner.scan(/[:a-zA-Z0-9_-]+/)
      @path << "['#{token}']"
    elsif token = scanner.scan(/'(.*?)'/)
      @path << "[#{token}]"
    elsif token = scanner.scan(/\[/)
      count = 1
      while !count.zero?
        if t = scanner.scan(/\[/)
          token << t
          count += 1
        elsif t = scanner.scan(/\]/)
          token << t
          count -= 1
        elsif t = scanner.scan(/[^\[\]]*/)
          token << t
        end
      end
      @path << token
    elsif token = scanner.scan(/\.\./)
      @path << token
    elsif scanner.scan(/\./)
      nil
    elsif token = scanner.scan(/\*/)
      @path << token
    elsif token = scanner.scan(/[><=] \d+/)
      @path.last << token
    elsif token = scanner.scan(/./)
      @path.last << token
    end
  end
end

Instance Attribute Details

#path ⇒ Object (readonly)

Returns the value of attribute path.



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# File 'lib/pact/matching_rules/jsonpath.rb', line 11

def path
  @path
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/pact/matching_rules/jsonpath.rb', line 53

def to_s
  path.join
end