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|
## -*- Ruby -*-
## XML::DOM
## 1998-2001 by yoshidam
##
require 'xml/dom2/node'
require 'xml/dom2/domexception'
module XML
module DOM
=begin
== Class XML::DOM::Attr
=== superclass
Node
=end
class Attr<Node
## new(name, [text1, text2, ...]) or
## new(name, text1, text2, ...)
## name: String
## text?: String or Node
=begin
=== Class Methods
--- Attr.new(name = nil, *text)
create a new Attr.
=end
def initialize(name, *text)
super(text)
raise "parameter error" if !name
@name = nil
@prefix = nil
@localname = nil
@uri = nil
@ownerElement = nil
if name.is_a?(Array)
## namespaces
raise "parameter error" if name.length != 2
@localname = name[1]
if name[1].index(':')
@prefix, @localname = name[1].split(':')
end
@name = name[1] ## qualified name
@uri = name[0] ## namespace URI
else
@name = name
end
@name.freeze
@prefix.freeze
@localname.freeze
@uri.freeze
end
=begin
=== Methods
--- Attr#nodeType()
[DOM]
returns the nodeType.
=end
## [DOM]
def nodeType
ATTRIBUTE_NODE
end
=begin
--- Attr#nodeName()
[DOM]
returns the nodeName.
=end
## [DOM]
def nodeName
@name
end
=begin
--- Attr#nodeValue()
[DOM]
returns the nodeValue.
=end
## [DOM]
def nodeValue
ret = ""
@children.each do |child|
ret << child.nodeValue
end if @children
ret
end
=begin
--- Attr#nodeValue=(text)
[DOM]
returns the value of this node.
=end
## [DOM]
def nodeValue=(text)
self.childNodes = [text]
end
=begin
--- Attr#to_s()
return the string representation of the Attr.
=end
def to_s
value = ""
nodeValue.scan(/./um) do |c|
code = c.unpack("U")[0]
if code == 9 || code == 10 || code == 13
value << sprintf("&#x%X;", code)
elsif c == "&"
value << "&"
elsif c == "\""
value << """
elsif c == "<"
value << "<"
elsif c == ">"
value << ">"
else
value << c
end
end
"#{@name}=\"#{value}\""
end
=begin
--- Attr#dump(depth = 0)
dump the Attr.
=end
def dump(depth = 0)
print ' ' * depth * 2
print "// #{self.to_s}\n"
end
=begin
--- Attr#cloneNode(deep = true)
[DOM]
returns the copy of the Attr.
=end
## [DOM]
def cloneNode(deep = true)
super(deep, @name)
end
=begin
--- Attr#name()
[DOM]
alias of nodeName.
=end
## [DOM]
alias name nodeName
=begin
--- Attr#value()
alias of nodeValue.
--- Attr#value=(value)
[DOM]
alias of nodeValue=.
=end
## [DOM]
alias value nodeValue
alias value= nodeValue= ##
## [DOM]
def specified; @specified; end
def specified=(is_specified); @specified = is_specified; end
## [DOM2]
def namespaceURI; @uri; end
## [DOM2]
def prefix; @prefix; end
## [DOM2]
def prefix=(prefix);
## to be checked
@ownerElement.removeAttributeNode(self) if @ownerElement
@prefix = prefix
@name = @prefix + ':' + @localname
@ownerElement.setAttributeNode(self) if @ownerElement
@prefix.freeze
@name.freeze
end
## [DOM2]
def localname; @localname; end
## [DOM2]
def ownerElement; @ownerElement; end
def ownerElement=(elem); @ownerElement = elem; end
def _checkNode(node)
unless node.nodeType == TEXT_NODE ||
node.nodeType == ENTITY_REFERENCE_NODE
raise DOMException.new(DOMException::HIERARCHY_REQUEST_ERR)
end
end
end
end
end
|
