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 61

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 = {}
  nsall = {}
  nsde = {}
  
  self.xpath('//namespace::*').each do |n| 
    unless n.prefix == 'xml'
      nsde[n.href] = n.prefix if n.prefix.nil?
      nsall[n.href] = n.prefix
    end
  end 

  count = -1
  nsall.each do |k,v|
    if v.nil? && nsde.length == 1
      result['xmlns'] = k
    elsif v.nil? && nsde.length > 1
      result["xmlns#{count+=1}"] = k
    else
      result[v] = k
    end
  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 64

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 67

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