JezK
Edit File: document_fragment.rb
# frozen_string_literal: true module Nokogiri module XML class DocumentFragment < Nokogiri::XML::Node #### # Create a Nokogiri::XML::DocumentFragment from +tags+ def self.parse(tags, options = ParseOptions::DEFAULT_XML, &block) new(XML::Document.new, tags, nil, options, &block) end ## # Create a new DocumentFragment from +tags+. # # If +ctx+ is present, it is used as a context node for the # subtree created, e.g., namespaces will be resolved relative # to +ctx+. def initialize(document, tags = nil, ctx = nil, options = ParseOptions::DEFAULT_XML) return self unless tags options = Nokogiri::XML::ParseOptions.new(options) if Integer === options yield options if block_given? children = if ctx # Fix for issue#490 if Nokogiri.jruby? # fix for issue #770 ctx.parse("<root #{namespace_declarations(ctx)}>#{tags}</root>", options).children else ctx.parse(tags, options) end else wrapper_doc = XML::Document.parse("<root>#{tags}</root>", nil, nil, options) self.errors = wrapper_doc.errors wrapper_doc.xpath("/root/node()") end children.each { |child| child.parent = self } end if Nokogiri.uses_libxml? def dup new_document = document.dup new_fragment = self.class.new(new_document) children.each do |child| child.dup(1, new_document).parent = new_fragment end new_fragment end end ### # return the name for DocumentFragment def name "#document-fragment" end ### # Convert this DocumentFragment to a string def to_s children.to_s end ### # Convert this DocumentFragment to html # See Nokogiri::XML::NodeSet#to_html def to_html(*args) if Nokogiri.jruby? options = args.first.is_a?(Hash) ? args.shift : {} unless options[:save_with] options[:save_with] = Node::SaveOptions::NO_DECLARATION | Node::SaveOptions::NO_EMPTY_TAGS | Node::SaveOptions::AS_HTML end args.insert(0, options) end children.to_html(*args) end ### # Convert this DocumentFragment to xhtml # See Nokogiri::XML::NodeSet#to_xhtml def to_xhtml(*args) if Nokogiri.jruby? options = args.first.is_a?(Hash) ? args.shift : {} unless options[:save_with] options[:save_with] = Node::SaveOptions::NO_DECLARATION | Node::SaveOptions::NO_EMPTY_TAGS | Node::SaveOptions::AS_XHTML end args.insert(0, options) end children.to_xhtml(*args) end ### # Convert this DocumentFragment to xml # See Nokogiri::XML::NodeSet#to_xml def to_xml(*args) children.to_xml(*args) end ### # call-seq: css *rules, [namespace-bindings, custom-pseudo-class] # # Search this fragment for CSS +rules+. +rules+ must be one or more CSS # selectors. For example: # # For more information see Nokogiri::XML::Searchable#css def css(*args) if children.any? children.css(*args) # 'children' is a smell here else NodeSet.new(document) end end # # NOTE that we don't delegate #xpath to children ... another smell. # def xpath ; end # ### # call-seq: search *paths, [namespace-bindings, xpath-variable-bindings, custom-handler-class] # # Search this fragment for +paths+. +paths+ must be one or more XPath or CSS queries. # # For more information see Nokogiri::XML::Searchable#search def search(*rules) rules, handler, ns, binds = extract_params(rules) rules.inject(NodeSet.new(document)) do |set, rule| set + if Searchable::LOOKS_LIKE_XPATH.match?(rule) xpath(*[rule, ns, handler, binds].compact) else children.css(*[rule, ns, handler].compact) # 'children' is a smell here end end end alias_method :serialize, :to_s # A list of Nokogiri::XML::SyntaxError found when parsing a document def errors document.errors end def errors=(things) # :nodoc: document.errors = things end def fragment(data) document.fragment(data) end private # fix for issue 770 def namespace_declarations(ctx) ctx.namespace_scopes.map do |namespace| prefix = namespace.prefix.nil? ? "" : ":#{namespace.prefix}" %{xmlns#{prefix}="#{namespace.href}"} end.join(" ") end end end end