Class: Crack::XML

Inherits:

Object

• Object
• Crack::XML

Defined in:

lib/crack/xml.rb

Class Method Summary

• .parse(xml) ⇒ Object

Class Method Details

.parse(xml) ⇒ Object

# File 'lib/crack/xml.rb', line 189

def self.parse(xml)
  begin
    stack = []
    parser = REXML::Parsers::BaseParser.new(xml)

    while true
      event = parser.pull
      case event[0]
      when :end_document
        break
      when :end_doctype, :start_doctype
        # do nothing
      when :start_element
        stack.push REXMLUtilityNode.new(event[1], event[2])
      when :end_element
        if stack.size > 1
          temp = stack.pop
          stack.last.add_node(temp)
        end
      when :text, :cdata
        stack.last.add_node(event[1]) unless event[1].strip.length == 0 || stack.empty?
      end
    end
    stack.length > 0 ? stack.pop.to_hash : {}
  rescue REXML::ParseException => e
    raise ParseError, "Invalid XML string. #{e.message}" 
  end
end