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Class: ActiveSupport::XmlMini_NokogiriSAX::HashBuilder

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Nokogiri::XML::SAX::Document
Instance Chain:
self, Nokogiri::XML::SAX::Document
Inherits: Nokogiri::XML::SAX::Document
  • ::Object
Defined in: activesupport/lib/active_support/xml_mini/nokogirisax.rb

Overview

::Class that will build the hash while the XML document is being parsed using SAX events.

Constant Summary

Instance Attribute Summary

Instance Method Summary

Instance Attribute Details

#hash (readonly)

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 22

attr_reader :hash

Instance Method Details

#cdata_block(string)

Alias for #characters.

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 65

alias_method :cdata_block, :characters

#characters(string) Also known as: #cdata_block

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 61

def characters(string)
  current_hash[CONTENT_KEY] << string
end

#current_hash

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 24

def current_hash
  @hash_stack.last
end

#end_document

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 33

def end_document
  raise "Parse stack not empty!" if @hash_stack.size > 1
end

#end_element(name)

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 54

def end_element(name)
  if current_hash.length > current_hash.delete(HASH_SIZE_KEY) && current_hash[CONTENT_KEY].blank? || current_hash[CONTENT_KEY] == ""
    current_hash.delete(CONTENT_KEY)
  end
  @hash_stack.pop
end

#error(error_message)

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 37

def error(error_message)
  raise error_message
end

#start_document

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 28

def start_document
  @hash = {}
  @hash_stack = [@hash]
end

#start_element(name, attrs = [])

[ GitHub ]

  
# File 'activesupport/lib/active_support/xml_mini/nokogirisax.rb', line 41

def start_element(name, attrs = [])
  new_hash = { CONTENT_KEY => "".dup }.merge!(Hash[attrs])
  new_hash[HASH_SIZE_KEY] = new_hash.size + 1

  case current_hash[name]
  when Array then current_hash[name] << new_hash
  when Hash  then current_hash[name] = [current_hash[name], new_hash]
  when nil   then current_hash[name] = new_hash
  end

  @hash_stack.push(new_hash)
end