method

each

v1_8_7_330 - Show latest stable - Class: REXML::XPath

each(element, path=nil, namespaces=nil, variables={})

public

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| ... }

# File lib/rexml/xpath.rb, line 45
                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

each

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