ÿØÿàJFIFÿþ ÿÛC       ÿÛC ÿÀÿÄÿÄ"#QrÿÄÿÄ&1!A"2qQaáÿÚ ?Øy,æ/3JæݹÈ߲؋5êXw²±ÉyˆR”¾I0ó2—PI¾IÌÚiMö¯–þrìN&"KgX:Šíµ•nTJnLK„…@!‰-ý ùúmë;ºgµŒ&ó±hw’¯Õ@”Ü— 9ñ-ë.²1<yà‚¹ïQÐU„ہ?.’¦èûbß±©Ö«Âw*VŒ) `$‰bØԟ’ëXÖ-ËTÜíGÚ3ð«g Ÿ§¯—Jx„–’U/ÂÅv_s(Hÿ@TñJÑãõçn­‚!ÈgfbÓc­:él[ðQe 9ÀPLbÃãCµm[5¿ç'ªjglå‡Ûí_§Úõl-;"PkÞÞÁQâ¼_Ñ^¢SŸx?"¸¦ùY騐ÒOÈ q’`~~ÚtËU¹CڒêV  I1Áß_ÿÙ# frozen_string_literal: false require_relative 'functions' require_relative 'xpath_parser' module REXML # Wrapper class. Use this class to access the XPath functions. class XPath include Functions # A base Hash object, supposing to be used when initializing a # default empty namespaces set, but is currently unused. # TODO: either set the namespaces=EMPTY_HASH, or deprecate this. EMPTY_HASH = {} # Finds and returns the first node that matches the supplied xpath. # element:: # The context element # path:: # The xpath to search for. If not supplied or nil, returns the first # node matching '*'. # namespaces:: # If supplied, a Hash which defines a namespace mapping. # variables:: # If supplied, a Hash which maps $variables in the query # to values. This can be used to avoid XPath injection attacks # or to automatically handle escaping string values. # # XPath.first( node ) # XPath.first( doc, "//b"} ) # XPath.first( node, "a/x:b", { "x"=>"http://doofus" } ) # XPath.first( node, '/book/publisher/text()=$publisher', {}, {"publisher"=>"O'Reilly"}) def XPath::first(element, path=nil, namespaces=nil, variables={}, options={}) raise "The namespaces argument, if supplied, must be a hash object." unless namespaces.nil? or namespaces.kind_of?(Hash) raise "The variables argument, if supplied, must be a hash object." unless variables.kind_of?(Hash) parser = XPathParser.new(**options) parser.namespaces = namespaces parser.variables = variables path = "*" unless path element = [element] unless element.kind_of? Array parser.parse(path, element).flatten[0] end # Iterates over nodes that match the given path, calling the supplied # block with the match. # element:: # The context element # path:: # The xpath to search for. If not supplied or nil, defaults to '*' # namespaces:: # If supplied, a Hash which defines a namespace mapping # variables:: # If supplied, a Hash which maps $variables in the query # to values. This can be used to avoid XPath injection attacks # or to automatically handle escaping string values. # # XPath.each( node ) { |el| ... } # XPath.each( node, '/*[@attr='v']' ) { |el| ... } # XPath.each( node, 'ancestor::x' ) { |el| ... } # XPath.each( node, '/book/publisher/text()=$publisher', {}, {"publisher"=>"O'Reilly"}) \ # {|el| ... } def XPath::each(element, path=nil, namespaces=nil, variables={}, options={}, &block) raise "The namespaces argument, if supplied, must be a hash object." unless namespaces.nil? or namespaces.kind_of?(Hash) raise "The variables argument, if supplied, must be a hash object." unless variables.kind_of?(Hash) parser = XPathParser.new(**options) parser.namespaces = namespaces parser.variables = variables path = "*" unless path element = [element] unless element.kind_of? Array parser.parse(path, element).each( &block ) end # Returns an array of nodes matching a given XPath. def XPath::match(element, path=nil, namespaces=nil, variables={}, options={}) parser = XPathParser.new(**options) parser.namespaces = namespaces parser.variables = variables path = "*" unless path element = [element] unless element.kind_of? Array parser.parse(path,element) end end end