In: |
temp/attribute.rb
|
Parent: | Object |
Defines an Element Attribute; IE, a attribute=value pair, as in: <element attribute="value"/>. Attributes can be in their own namespaces. General users of REXML will not interact with the Attribute class much.
PATTERN | = | /\s*(#{NAME_STR})\s*=\s*(["'])(.*?)\2/um |
element | [R] | The element to which this attribute belongs |
normalized | [W] | The normalized value of this attribute. That is, the attribute with entities intact. |
Constructor.
Attribute.new( attribute_to_clone ) Attribute.new( source ) Attribute.new( "attr", "attr_value" ) Attribute.new( "attr", "attr_value", parent_element )
Sets the element of which this object is an attribute. Normally, this is not directly called.
Returns this attribute
Returns the namespace URL, if defined, or nil otherwise
e = Element.new("el") e.add_attributes({"xmlns:ns", "http://url"}) e.namespace( "ns" ) # -> "http://url"
Returns the namespace of the attribute.
e = Element.new( "elns:myelement" ) e.add_attribute( "nsa:a", "aval" ) e.add_attribute( "b", "bval" ) e.attributes.get_attribute( "a" ).prefix # -> "nsa" e.attributes.get_attribute( "b" ).prefix # -> "elns" a = Attribute.new( "x", "y" ) a.prefix # -> ""
Removes this Attribute from the tree, and returns true if successfull
This method is usually not called directly.
Returns this attribute out as XML source, expanding the name
a = Attribute.new( "x", "y" ) a.to_string # -> "x='y'" b = Attribute.new( "ns:x", "y" ) b.to_string # -> "ns:x='y'"