Class: AlpacaBuildTool::XmlNode

Inherits:
Object
  • Object
show all
Defined in:
lib/alpacabuildtool/entities/xml_node.rb

Overview

XmlNode represents simple xml node that can contain attributes and other nodes or string as a content

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, content = nil, &block) ⇒ XmlNode

Creates an instance

name

name of node

content

content of node (if set, block is ignored)

accepts &block to set content to array of nodes


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# File 'lib/alpacabuildtool/entities/xml_node.rb', line 16

def initialize(name, content = nil, &block)
  @name = name
  return @content = content unless content.nil?
  return unless block_given?
  @arity = block.arity
  if @arity <= 0
    @context = eval('self', block.binding)
    instance_eval(&block)
  else
    yield self
  end
end

Instance Attribute Details

#contentObject (readonly)

Returns the value of attribute content


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# File 'lib/alpacabuildtool/entities/xml_node.rb', line 8

def content
  @content
end

#nameObject (readonly)

Returns the value of attribute name


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# File 'lib/alpacabuildtool/entities/xml_node.rb', line 8

def name
  @name
end

Instance Method Details

#attribute(name, value) ⇒ Object

Adds attribute to node

name

attribute name

value

attribute value


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# File 'lib/alpacabuildtool/entities/xml_node.rb', line 52

def attribute(name, value)
  (@attributes ||= {})[name] = value
end

#node(name, content = nil, &block) ⇒ Object

Adds new node into content

name

node name

content

node content

accepts &block for this new node

XmlNode.new 'a' do
  node 'b' do
    node 'c' do
      ...
    end
  end
end

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# File 'lib/alpacabuildtool/entities/xml_node.rb', line 43

def node(name, content = nil, &block)
  (@content ||= []) << XmlNode.new(name, content, &block)
end

#to_sObject

Overrides string representation to populate xml pretty formatted content


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# File 'lib/alpacabuildtool/entities/xml_node.rb', line 58

def to_s
  return "<#{@name}#{attributes_to_s}/>" if @content.nil?
  content = @content.is_a?(Array) ? array_to_s : CGI.escape_html(@content)
  "<#{@name}#{attributes_to_s}>#{content}</#{@name}>"
end