Class: XML::DOM::NodeList

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/xml/dom/core.rb,
lib/xml/dom/digest.rb,
lib/xml/dom2/nodelist.rb

Overview

Class XML::DOM::NodeList

Instance Method Summary collapse

Constructor Details

#initialize(nodes = nil) ⇒ NodeList

Class Methods

--- NodeList.new(nodes = nil)

creates a new NodeList.



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# File 'lib/xml/dom/core.rb', line 1221

def initialize(nodes = nil)
  if nodes.nil?
    @nodes = []
  elsif nodes.is_a?(Array)
    @nodes = nodes
  else
    raise "parameter error"
  end
end

Instance Method Details

#+(nodes) ⇒ Object

— NodeList#+(nodes)

return the newly created concatenated NodeList.



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# File 'lib/xml/dom/core.rb', line 1382

def +(nodes)
  if nodes.nil?
    NodeList.new(@nodes)
  elsif nodes.is_a?(Array)
    NodeList.new(@nodes + nodes)
  elsif nodes.is_a?(NodeList)
    NodeList.new(@nodes + nodes.to_a)
  elsif nodes.is_a?(Node)
    NodeList.new(@nodes + [nodes])
  else
    raise "parameter error"
  end
end

#<<(nodes) ⇒ Object

modified by Masaki Fukushima



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# File 'lib/xml/dom/core.rb', line 1402

def <<(nodes)
  if nodes.nil?
    ## no change
  elsif nodes.is_a?(Array)
    @nodes.concat(nodes)
  elsif nodes.is_a?(NodeList)
    @nodes.concat(nodes.to_a)
  elsif nodes.is_a?(Node)
    @nodes << nodes
  else
    raise "parameter error"
  end
  self
end

#[](index) ⇒ Object

— NodeList#[](index)

return indexth node of the NodeList.



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# File 'lib/xml/dom/core.rb', line 1259

def [](index)
  @nodes[index]
end

#[]=(*p) ⇒ Object

— NodeList#[]=(*p)

set node of indexth node of the NodeList.



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# File 'lib/xml/dom/core.rb', line 1268

def []=(*p)
  if p.length == 2
    @nodes[p[0]] = p[1]
  elsif p.length == 3
    @nodes[p[0], p[1]] = p[2]
  end
end

#_getValues(names) ⇒ Object

get nodeValues by names

names ::= name ('|' name)*



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# File 'lib/xml/dom/core.rb', line 1419

def _getValues(names)
  ret = []
  names.split('|').each do |name|
    if !@nodes[name].nil?
      ret.push(@nodes[name].nodeValue)
    end
  end
  ret
end

#each ⇒ Object

— NodeList#each

iterates over each node of the NodeList.



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# File 'lib/xml/dom/core.rb', line 1281

def each
  @nodes.each do |value|
    yield(value)
  end
end

#item(index) ⇒ Object

DOM 


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# File 'lib/xml/dom/core.rb', line 1240

def item(index)
  @nodes[index]
end

#pop ⇒ Object

— NodeList#pop

pops and returns the last node of the NodeList.



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# File 'lib/xml/dom/core.rb', line 1337

def pop
  @nodes.pop
end

#push(*nodes) ⇒ Object Also known as: concat

— NodeList#push(*nodes)

adds nodes into the NodeList.



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# File 'lib/xml/dom/core.rb', line 1310

def push(*nodes)
  nodes.each do |node|
    if node.is_a?(Array)
      self.push(*node)
    elsif node.is_a?(NodeList)
      @nodes.concat(node.to_a)
    elsif node.is_a?(Node)
      @nodes << node
    else
      raise "parameter error"
    end
  end
  self
end

#reverse ⇒ Object

— NodeList#reverse

returns the reversed NodeList.



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# File 'lib/xml/dom/core.rb', line 1364

def reverse
  @nodes.reverse
end

#reversible_each(reverse = false) ⇒ Object

Masaki Fukushima 


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# File 'lib/xml/dom/core.rb', line 1293

def reversible_each(reverse = false)
  if !reverse
    @nodes.each do |value|
      yield(value)
    end
  else
    @nodes.reverse_each do |value|
      yield(value)
    end
  end
end

#shift ⇒ Object

— NodeList#shift

removes and returns the first node of the NodeList.



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# File 'lib/xml/dom/core.rb', line 1346

def shift
  @nodes.shift
end

#size ⇒ Object Also known as: length

— NodeList#size()

return size of NodeList.



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# File 'lib/xml/dom/core.rb', line 1249

def size
  @nodes.length
end

#to_a ⇒ Object

— NodeList#to_a

converts the NodeList into an array.



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# File 'lib/xml/dom/core.rb', line 1373

def to_a
  @nodes
end

#to_s ⇒ Object

— NodeList#to_s

returns the string representation of the NodeList.



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# File 'lib/xml/dom/core.rb', line 1355

def to_s
  @nodes.to_s
end