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=begin
== BDB::XML::Value
The XML::Value class encapsulates the value of a node in an XML document.
=== Methods
--- attributes
return an XML::Results that contains all of the attributes appearing
on this node.
node type must be XML::Value::Node
--- boolean?
return true if type is XML::Value::BOOLEAN
--- first_child
returns current node's first child node, or nil
node type must be XML::Value::Node
--- last_child
returns current node's last child node, or nil
node type must be XML::Value::Node
--- local_name
returns the node's local name.
node type must be XML::Value::Node
--- namespace
returns the URI used for the node's namespace.
node type must be XML::Value::Node
--- next_sibling
returns the sibling node immediately following this node in the
document, or nil.
node type must be XML::Value::Node
--- nil?
return true if type is XML::Value::NONE
--- node?
return true if type is XML::Value::NODE
--- node_name
return the type of the value contained in this value
node type must be XML::Value::Node
--- node_value
return the node's value
node type must be XML::Value::Node
--- number?
return true if type is one of the numeric types
--- owner_element
If the current node is an attribute node, returns the document
element node that contains this attribute node. Otherwise, raise
an exception
node type must be XML::Value::Node
--- parent_node
returns current node's parent, or nil
node type must be XML::Value::Node
--- prefix
returns the prefix set for the node's namespace.
node type must be XML::Value::Node
--- previous_sibling
returns the sibling node immediately preceding this node
in the document, or nil
node type must be XML::Value::Node
--- string?
return true if type is XML::Value::STRING
--- type?(type)
return true if the value has the specified type
--- type
return the type associated with a value
=end
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