Class: Tokenize

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

Defined Under Namespace

Classes: Tokagram

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xpath_expression) ⇒ Tokenize

Returns a new instance of Tokenize.



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# File 'lib/ieparser_extension.rb', line 313

def initialize(xpath_expression)
  @xpath_expression = xpath_expression
  @tokagram = Tokagram.new
end

Instance Attribute Details

#tokenized_expression ⇒ Object (readonly)

Returns the value of attribute tokenized_expression.



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# File 'lib/ieparser_extension.rb', line 311

def tokenized_expression
  @tokenized_expression
end

Instance Method Details

#get_element_from_token ⇒ Object 



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# File 'lib/ieparser_extension.rb', line 393

def get_element_from_token
  @tokenized_expression[-1].match(/(\w*)\[.*\]$/)
  element = $1.to_s
  if element.empty?
    result = nil
  else
    result = element
  end
  result
end

#populate ⇒ Object 



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# File 'lib/ieparser_extension.rb', line 408

def populate
  tokenize_by_divider
  #~ expand_occurrences
  strip_out_id_if_present
  write_finder_information
  write_path_information
  @tokagram
end

#strip_out_id_if_present ⇒ Object

~ end



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# File 'lib/ieparser_extension.rb', line 345

def strip_out_id_if_present
  split = @tokenized_expression.first.split('#')
  if split.size == 2
    id = split[1]
    @tokagram.tag_id = id
    #remove the id from the array
    @tokenized_expression.shift
  else
    @tokagram.tag_id = nil
  end
  @tokagram
end

#token_has_finder_info? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ieparser_extension.rb', line 404

def token_has_finder_info?
  get_element_from_token != nil
end

#tokenize_by_divider ⇒ Object 



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# File 'lib/ieparser_extension.rb', line 318

def tokenize_by_divider
  @tokenized_expression = @xpath_expression.split(">").collect{|element|
  element.gsub(/^\s/,"").gsub(/\s$/,"")}
end

#write_finder_information ⇒ Object 



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# File 'lib/ieparser_extension.rb', line 358

def write_finder_information
  if token_has_finder_info?
    detail = @tokenized_expression[-1]
    detail.match(/^(\w+)\[(.+)\]$/)
         
    element = $1.to_s
    
    finder_detail = $2.to_s
    finder_detail.match(/^(.+\w)(=.)"(.+)"$/)
          
    criteria = $1.to_s
    selector = $2.to_s
    value = $3.to_s
          
    finder = {
      :element => element,
      :criteria => criteria.gsub("@",""),  #remove the @ from attribute if has one
      :value => value,
      :selector => selector
    }
    @tokagram.finder = finder
  end
  
end

#write_path_information ⇒ Object 



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# File 'lib/ieparser_extension.rb', line 383

def write_path_information
  # remove the rest of the search criteria from the last array element if it has any
  element = get_element_from_token
  if token_has_finder_info?
    @tokenized_expression.pop
    @tokenized_expression << element
  end
  @tokagram.path = @tokenized_expression
end