Class: Angumine::SaxParser

Inherits:
Nokogiri::XML::SAX::Document
  • Object
show all
Defined in:
lib/angumine/sax_parser.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ SaxParser

Returns a new instance of SaxParser.



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# File 'lib/angumine/sax_parser.rb', line 8

def initialize(*args)
  self.treepath ||= []
  self.name_to_branch ||= {}
  self.mined_data = []
end

Instance Attribute Details

#mined_data ⇒ Object

Returns the value of attribute mined_data.



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# File 'lib/angumine/sax_parser.rb', line 6

def mined_data
  @mined_data
end

#name_to_branch ⇒ Object

Returns the value of attribute name_to_branch.



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# File 'lib/angumine/sax_parser.rb', line 6

def name_to_branch
  @name_to_branch
end

#treepath ⇒ Object

Returns the value of attribute treepath.



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# File 'lib/angumine/sax_parser.rb', line 6

def treepath
  @treepath
end

Instance Method Details

#am_clean(s) ⇒ Object 



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# File 'lib/angumine/sax_parser.rb', line 19

def am_clean(s)
  s = s.join if s.is_a?(Array)
  s = s.strip
end

#am_clean_and_prefix_path(s) ⇒ Object 



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# File 'lib/angumine/sax_parser.rb', line 14

def am_clean_and_prefix_path(s)
  return unless s
  am_prefix_path(am_clean(s))
end

#am_prefix_path(s) ⇒ Object 



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# File 'lib/angumine/sax_parser.rb', line 24

def am_prefix_path(s)
  return s if self.name_to_branch.length == 0
  orig = s
  
  ending = ''
  non_var_name_index = s.index(/[\ \|]/)
  s, ending = *[s[0,non_var_name_index], s[non_var_name_index,s.length]] if non_var_name_index
  non_var_name_index = s.index('.')
  s, rest_of_val = *[s[0,non_var_name_index], s[non_var_name_index,s.length]] if non_var_name_index    

  tree_branch_index = self.name_to_branch[s]
  if tree_branch_index
    "#{self.treepath[0..tree_branch_index].collect{|i|i[0]}.join('.')}#{rest_of_val}#{ending}"
  else
    orig
  end
end

#characters(s) ⇒ Object 



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# File 'lib/angumine/sax_parser.rb', line 62

def characters(s)
  s.scan(/{{([^}]*)}}/).each {|v|self.mined_data << "#{am_clean_and_prefix_path(v)}"}
end

#end_element(name) ⇒ Object 



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# File 'lib/angumine/sax_parser.rb', line 66

def end_element name
  self.treepath.last[1] -= 1 if self.treepath.last && self.treepath.last[1] > 0
end

#start_element(name, attributes = []) ⇒ Object 



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# File 'lib/angumine/sax_parser.rb', line 42

def start_element name, attributes = []
  if self.treepath.last
    self.treepath.last[1] += 1 if self.treepath.last[1] > 0
  end
  Hash[attributes].each do |k,v|
    next unless v
    v = am_clean(v)
    if k.start_with?('ng-') && k != 'ng-class' && v
      if v.index(' in ')
        loop_data = v.split(' in ')
        arr = ["[#{loop_data[1]}]#{loop_data[0]}", 1]
        self.name_to_branch[loop_data[0]] = self.treepath.length # which currently is the next index
        self.treepath << arr
      else
        self.mined_data << "#{am_clean_and_prefix_path(v)}"
      end
    end
  end
end