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Contents
# frozen_string_literal: true
require 'nokogiri'
module Boxcars
class XNode
attr_accessor :node, :children, :attributes
def initialize(node)
@node = node
@valid_names = []
@children = {}
@attributes = node.attributes.values.to_h { |a| [a.name.to_sym, a.value] }
node.children.each do |child|
next if child.text?
child_node = XNode.new(child)
if @children[child.name].nil?
@valid_names << child.name.to_sym
@children[child.name] = child_node
elsif @children[child.name].is_a?(Array)
@children[child.name] << child_node
else
@children[child.name] = [@children[child.name], child_node]
end
end
end
def self.from_xml(xml)
xml = xml[xml.index("<")..-1] unless xml.start_with?("<")
xml = xml[0..xml.rindex(">")] unless xml.end_with?(">")
doc = Nokogiri::XML.parse(xml)
if doc.errors.any?
Boxcars.debug("XML: #{xml}", :yellow)
# rubocop:disable Lint/Debugger
debugger if ENV.fetch("DEBUG_XML", false)
# rubocop:enable Lint/Debugger
raise XmlError, "XML is not valid: #{doc.errors.map { |e| "#{e.line}:#{e.column} #{e.message}" }}"
end
XNode.new(doc.root)
end
def xml
@node.to_xml
end
def text
@node.text
end
def xpath(path)
@node.xpath(path)
end
def xtext(path)
rv = xpath(path)&.text&.gsub(/[[:space:]]+/, " ")&.strip
return nil if rv.empty?
rv
end
def stext
@stext ||= text.gsub(/[[:space:]]+/, " ").strip # remove extra spaces
end
def [](key)
@children[key.to_s]
end
def method_missing(name, *args)
return @children[name.to_s] if @children.key?(name.to_s)
super
end
def respond_to_missing?(method_name, include_private = false)
@valid_names.include?(method) || super
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems