文件操作 - json_strict_literal_evaluator.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/pops/evaluator/json_strict_literal_evaluator.rb

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# frozen_string_literal: true

# Literal values for
#
#   * String
#   * Numbers
#   * Booleans
#   * Undef (produces nil)
#   * Array
#   * Hash where keys must be Strings
#   * QualifiedName
#
# Not considered literal:
#
#   * QualifiedReference  # i.e. File, FooBar
#   * Default is not accepted as being literal
#   * Regular Expression is not accepted as being literal
#   * Hash with non String keys
#   * String with interpolation
#
class Puppet::Pops::Evaluator::JsonStrictLiteralEvaluator
  # include Puppet::Pops::Utils

COMMA_SEPARATOR = ', '

def initialize
    @@literal_visitor ||= Puppet::Pops::Visitor.new(self, "literal", 0, 0)
  end

def literal(ast)
    @@literal_visitor.visit_this_0(self, ast)
  end

def literal_Object(o)
    throw :not_literal
  end

def literal_Factory(o)
    literal(o.model)
  end

def literal_Program(o)
    literal(o.body)
  end

def literal_LiteralString(o)
    o.value
  end

def literal_QualifiedName(o)
    o.value
  end

def literal_LiteralNumber(o)
    o.value
  end

def literal_LiteralBoolean(o)
    o.value
  end

def literal_LiteralUndef(o)
    nil
  end

def literal_ConcatenatedString(o)
    # use double quoted string value if there is no interpolation
    throw :not_literal unless o.segments.size == 1 && o.segments[0].is_a?(Puppet::Pops::Model::LiteralString)
    o.segments[0].value
  end

def literal_LiteralList(o)
    o.values.map { |v| literal(v) }
  end

def literal_LiteralHash(o)
    o.entries.each_with_object({}) do |entry, result|
      key = literal(entry.key)
      throw :not_literal unless key.is_a?(String)
      result[key] = literal(entry.value)
    end
  end
end

文件操作 - json_strict_literal_evaluator.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/pops/evaluator/json_strict_literal_evaluator.rb

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