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Path: /opt/chef.upgrade/embedded/lib/ruby/gems/2.3.0/gems/nokogiri-1.7.2/lib/nokogiri/xml/

Viewing File: schema.rb

module Nokogiri
  module XML
    class << self
      ###
      # Create a new Nokogiri::XML::Schema object using a +string_or_io+
      # object.
      def Schema string_or_io
        Schema.new(string_or_io)
      end
    end

    ###
    # Nokogiri::XML::Schema is used for validating XML against a schema
    # (usually from an xsd file).
    #
    # == Synopsis
    #
    # Validate an XML document against a Schema.  Loop over the errors that
    # are returned and print them out:
    #
    #   xsd = Nokogiri::XML::Schema(File.read(PO_SCHEMA_FILE))
    #   doc = Nokogiri::XML(File.read(PO_XML_FILE))
    #
    #   xsd.validate(doc).each do |error|
    #     puts error.message
    #   end
    #
    # The list of errors are Nokogiri::XML::SyntaxError objects.
    class Schema
      # Errors while parsing the schema file
      attr_accessor :errors

      ###
      # Create a new Nokogiri::XML::Schema object using a +string_or_io+
      # object.
      def self.new string_or_io
        from_document Nokogiri::XML(string_or_io)
      end

      ###
      # Validate +thing+ against this schema.  +thing+ can be a
      # Nokogiri::XML::Document object, or a filename.  An Array of
      # Nokogiri::XML::SyntaxError objects found while validating the
      # +thing+ is returned.
      def validate thing
        if thing.is_a?(Nokogiri::XML::Document) 
          validate_document(thing) 
        elsif File.file?(thing)
          validate_file(thing)
        else
          raise ArgumentError, "Must provide Nokogiri::Xml::Document or the name of an existing file"
        end
      end

      ###
      # Returns true if +thing+ is a valid Nokogiri::XML::Document or
      # file.
      def valid? thing
        validate(thing).length == 0
      end
    end
  end
end