1 files changed, 53 insertions, 53 deletions
@@ -2,65 +2,65 @@ require 'rexml/functions'
 require 'rexml/xpath_parser'
 module REXML
-	# Wrapper class. Use this class to access the XPath functions.
-	class XPath
- include Functions
- 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.
- #
- # XPath.first( node )
- # XPath.first( doc, "//b"} )
- # XPath.first( node, "a/x:b", { "x"=>"http://doofus" } )
 def XPath::first element, path=nil, namespaces=nil, variables={}
 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
- 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
- #
- # XPath.each( node ) { |el| ... }
- # XPath.each( node, '/*[@attr='v']' ) { |el| ... }
- # XPath.each( node, 'ancestor::x' ) { |el| ... }
- def XPath::each element, path=nil, namespaces=nil, variables={}, &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
- 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={}
- parser = XPathParser.new
- parser.namespaces = namespaces
- parser.variables = variables
- path = "*" unless path
- element = [element] unless element.kind_of? Array
- parser.parse(path,element)
- end
-	end
 end