Sha256: 5b12d24ce4a336cf52fc27857781903d1410e13f361480ff42fc6f7a82e1de01

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Size: 1.3 KB

Versions: 9

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Stored size: 1.3 KB

Contents

module Regexp::Expression
  class Subexpression < Regexp::Expression::Base
    include Enumerable

    attr_accessor :expressions

    def initialize(token, options = {})
      super

      self.expressions = []
    end

    # Override base method to clone the expressions as well.
    def initialize_copy(orig)
      self.expressions = orig.expressions.map(&:clone)
      super
    end

    def <<(exp)
      if exp.is_a?(WhiteSpace) && last && last.is_a?(WhiteSpace)
        last.merge(exp)
      else
        exp.nesting_level = nesting_level + 1
        expressions << exp
      end
    end

    %w[[] at each empty? fetch index join last length values_at].each do |method|
      class_eval <<-RUBY, __FILE__, __LINE__ + 1
        def #{method}(*args, &block)
          expressions.#{method}(*args, &block)
        end
      RUBY
    end

    def dig(*indices)
      exp = self
      indices.each { |idx| exp = exp.nil? || exp.terminal? ? nil : exp[idx] }
      exp
    end

    def te
      ts + to_s.length
    end

    def to_s(format = :full)
      # Note: the format does not get passed down to subexpressions.
      "#{expressions.join}#{quantifier_affix(format)}"
    end

    def to_h
      attributes.merge({
        text:        to_s(:base),
        expressions: expressions.map(&:to_h)
      })
    end
  end
end

Version data entries

9 entries across 9 versions & 5 rubygems

Version Path
scrapbook-0.3.2 vendor/ruby/2.7.0/gems/regexp_parser-2.2.1/lib/regexp_parser/expression/subexpression.rb
scrapbook-0.3.1 vendor/ruby/2.7.0/gems/regexp_parser-2.2.1/lib/regexp_parser/expression/subexpression.rb
regexp_parser-2.3.1 lib/regexp_parser/expression/subexpression.rb
regexp_parser-2.3.0 lib/regexp_parser/expression/subexpression.rb
op_connect-0.1.2 vendor/bundle/ruby/3.1.0/gems/regexp_parser-2.2.1/lib/regexp_parser/expression/subexpression.rb
tdiary-5.2.1 vendor/bundle/ruby/3.1.0/gems/regexp_parser-2.2.1/lib/regexp_parser/expression/subexpression.rb
regexp_parser-2.2.1 lib/regexp_parser/expression/subexpression.rb
phillipug-foodie-0.1.0 .vendor/ruby/3.0.0/gems/regexp_parser-2.2.0/lib/regexp_parser/expression/subexpression.rb
regexp_parser-2.2.0 lib/regexp_parser/expression/subexpression.rb