Class: Nokogiri::XML::Builder::NodeBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/nokogiri/xml/builder.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(node, doc_builder) ⇒ NodeBuilder

Returns a new instance of NodeBuilder.



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# File 'lib/nokogiri/xml/builder.rb', line 443

def initialize(node, doc_builder)
  @node = node
  @doc_builder = doc_builder
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/nokogiri/xml/builder.rb', line 456

def method_missing(method, *args, &block)
  opts = args.last.is_a?(Hash) ? args.pop : {}
  case method.to_s
  when /^(.*)!$/
    @node["id"] = Regexp.last_match(1)
    @node.content = args.first if args.first
  when /^(.*)=/
    @node[Regexp.last_match(1)] = args.first
  else
    @node["class"] =
      ((@node["class"] || "").split(/\s/) + [method.to_s]).join(" ")
    @node.content = args.first if args.first
  end

  # Assign any extra options
  opts.each do |k, v|
    @node[k.to_s] = ((@node[k.to_s] || "").split(/\s/) + [v]).join(" ")
  end

  if block
    old_parent = @doc_builder.parent
    @doc_builder.parent = @node

    arity = @doc_builder.arity || block.arity
    value = if arity <= 0
      @doc_builder.instance_eval(&block)
    else
      yield(@doc_builder)
    end

    @doc_builder.parent = old_parent
    return value
  end
  self
end

Instance Method Details

#[](k) ⇒ Object 



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# File 'lib/nokogiri/xml/builder.rb', line 452

def [](k)
  @node[k]
end

#[]=(k, v) ⇒ Object 



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# File 'lib/nokogiri/xml/builder.rb', line 448

def []=(k, v)
  @node[k] = v
end