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36 lines
681 B
Ruby
36 lines
681 B
Ruby
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require "rexml/parseexception"
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module REXML
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# Represents a node in the tree. Nodes are never encountered except as
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# superclasses of other objects. Nodes have siblings.
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module Node
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# @return the next sibling (nil if unset)
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def next_sibling_node
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return nil if @parent.nil?
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@parent[ @parent.index(self) + 1 ]
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end
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# @return the previous sibling (nil if unset)
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def previous_sibling_node
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return nil if @parent.nil?
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ind = @parent.index(self)
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return nil if ind == 0
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@parent[ ind - 1 ]
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end
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def to_s indent=-1
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rv = ""
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write rv,indent
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rv
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end
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def indent to, ind
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to << " "*ind unless ind<1
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end
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def parent?
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false;
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end
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end
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end
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