method

each_element_with_attribute

v2_2_9 - Show latest stable - 0 notes - Class: REXML::Element

each_element_with_attribute( key, value=nil, max=0, name=nil ) public

Iterates through the child elements, yielding for each Element that has a particular attribute set.

key	the name of the attribute to search for
value	the value of the attribute
max	(optional) causes this method to return after yielding for this number of matching children
name	(optional) if supplied, this is an XPath that filters the children to check.

doc = Document.new "<a><b @id='1'/><c @id='2'/><d @id='1'/><e/></a>"
# Yields b, c, d
doc.root.each_element_with_attribute( 'id' ) {|e| p e}
# Yields b, d
doc.root.each_element_with_attribute( 'id', '1' ) {|e| p e}
# Yields b
doc.root.each_element_with_attribute( 'id', '1', 1 ) {|e| p e}
# Yields d
doc.root.each_element_with_attribute( 'id', '1', 0, 'd' ) {|e| p e}

Show source

# File lib/rexml/element.rb, line 350
    def each_element_with_attribute( key, value=nil, max=0, name=nil, &block ) # :yields: Element
      each_with_something( proc {|child|
        if value.nil?
          child.attributes[key] != nil
        else
          child.attributes[key]==value
        end
      }, max, name, &block )
    end

each_element_with_attribute

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