Module: Nori::Parser::REXML

Defined in:
lib/nori/parser/rexml.rb

Overview

Nori::Parser::REXML

REXML pull parser.

Class Method Summary collapse

Class Method Details

.parse(xml, options) ⇒ Object 



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# File 'lib/nori/parser/rexml.rb', line 13

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

  while true
    raw_data = parser.pull
    event = unnormalize(raw_data)
    case event[0]
    when :end_document
      break
    when :end_doctype, :start_doctype
      # do nothing
    when :start_element
      stack.push Nori::XMLUtilityNode.new(options, event[1], event[2])
    when :end_element
      if stack.size > 1
        temp = stack.pop
        stack.last.add_node(temp)
      end
    when :text
      stack.last.add_node(event[1]) unless event[1].strip.length == 0 || stack.empty?
    when :cdata
      stack.last.add_node(raw_data[1]) unless raw_data[1].strip.length == 0 || stack.empty?
    end
  end
  stack.length > 0 ? stack.pop.to_hash : {}
end

.unnormalize(event) ⇒ Object 



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# File 'lib/nori/parser/rexml.rb', line 41

def self.unnormalize(event)
  event.map do |el|
    if el.is_a?(String)
      ::REXML::Text.unnormalize(el)
    elsif el.is_a?(Hash)
      el.each {|k,v| el[k] = ::REXML::Text.unnormalize(v)}
    else
      el
    end
  end
end