Class: Nokogiri::XML::Document

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

Instance Method Summary collapse

Instance Method Details

#custom_namespace_prefixes ⇒ Object 



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# File 'lib/xml/smart.rb', line 69

def custom_namespace_prefixes
  @custom_namespace_prefixes || custom_namespace_prefixes_update
end

#custom_namespace_prefixes_update ⇒ Object 



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# File 'lib/xml/smart.rb', line 37

def custom_namespace_prefixes_update
  result = {}

  diffs = []
  ns = self.xpath('//namespace::*').to_a.delete_if do |n| 
    if diffs.include? n.href
      true
    else  
      diffs.push(n.href).uniq!
      false
    end  
  end 

  de = ns.find_all{|n| n.prefix.nil?}
  if de.length == 1
    result['xmlns'] = de[0].href
  end
  if de.length > 1
    i = 0
    de.each do |n|
      unless result.has_value? n.href
        result["xmlns#{i}"] = n.href
        i += 1
      end  
    end
  end

  ns.find_all{|n| !n.prefix.nil? && !(n.prefix == 'xml')}.each do |n|
    result[n.prefix] = n.href
  end
  @custom_namespace_prefixes = result
end

#ns_counter ⇒ Object 



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# File 'lib/xml/smart.rb', line 20

def ns_counter
  @ns_counter ||= 1
end

#ns_update ⇒ Object 



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# File 'lib/xml/smart.rb', line 23

def ns_update
  @ns_counter ||= 1
  @ns_counter += 1
  self
end

#user_custom_namespace_prefixes ⇒ Object 



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# File 'lib/xml/smart.rb', line 72

def user_custom_namespace_prefixes
  @user_custom_namespace_prefixes ||= {}
end

#user_custom_namespace_prefixes=(h) ⇒ Object 



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# File 'lib/xml/smart.rb', line 75

def user_custom_namespace_prefixes=(h)
  @user_custom_namespace_prefixes = h
end

#xpath_fast(path) ⇒ Object 



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# File 'lib/xml/smart.rb', line 29

def xpath_fast(path)
  ns = self.custom_namespace_prefixes.merge(self.document.user_custom_namespace_prefixes)
  ctx = XPathContext.new(self)
  ctx.register_namespaces(self.document.custom_namespace_prefixes.merge(self.document.user_custom_namespace_prefixes))
  path = path.gsub(/xmlns:/, ' :') unless Nokogiri.uses_libxml?
  ctx.evaluate(path)
end