Method: WAX#start

Defined in:
lib/wax.rb

#start(p1, p2 = nil) ⇒ Object

Writes the start tag for a given element name, but doesn’t terminate it. If one parameter is specified, it is the element name. If two parameters are specified, they are prefix and name.



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# File 'lib/wax.rb', line 472

def start(p1, p2=nil)
  if (p2 == nil)
    # only specified element name
    prefix, name = nil, p1
  else
    # specified element namespace prefix, name and text
    prefix, name = p1, p2
  end

  @has_content = @has_indented_content = true
  terminate_start
  @has_content = false

  if @check_me
    bad_state("start") if @state == :after_root
    if prefix != nil
      XMLUtil.verify_name(prefix)
      @pending_prefixes << prefix
    end
    XMLUtil.verify_name(name)
  end

  # If this is the root element ...
  write_doctype(name) if @state == :in_prolog

  # Can't add to pendingPrefixes until
  # previous start tag has been terminated.
  @pending_prefixes << prefix if @check_me and prefix != nil

  write_indent if @parent_stack.size > 0

  has_prefix = prefix != nil and prefix.length > 0
  qname = has_prefix ? prefix + ':' + name : name

  if (@in_commented_start)
      out '<!--' + qname
      # Add a "marker" to the element name on the stack
      # so the end method knows to terminate the comment.
      @parent_stack.push('-' + qname)
  else
    out '<' + qname
    @parent_stack.push(qname)
  end

  # No namespace prefixes have been associated with this element yet.
  @prefixes_stack.push(nil)

  @state = :in_start_tag

  self
end