Class: Rools::CsvTable

Inherits:
Base
  • Object
show all
Defined in:
lib/rools/csv_table.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#logger, logger=

Constructor Details

#initialize(fileName) ⇒ CsvTable

Returns a new instance of CsvTable.



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# File 'lib/rools/csv_table.rb', line 21

def initialize( fileName )
  csv_data = IO.read( fileName)
  arrs = []
  CSV::Reader.parse(csv_data, ",", "\r") do |row|
    #puts "row:#{row.inspect}"
    arrs << row
  end
  
  # get rule parameter 
  parameter = arrs[1][1]
  #puts "parameter:#{parameter}"
  
  # get rule elements Conditions/Consequences
  rule_elements = arrs[2]
  
  # get code
  rule_code = arrs[3]      
  
  # get headers
  headers = arrs[4]
  
  #get number of rules
  num_rules = arrs.size-5
  #puts "num rules: #{num_rules}"
  
  index   = 0
  @rules  = ""
  arrs[5..arrs.size].each { |arr|
    rule_name = "rule_#{index}"
    #puts "arr:#{arr} index: #{index}"
    
    #if rule_elements[index] != nil
      @rules << "rule '#{rule_name}' do \n"
      @rules << "  parameter #{parameter}\n"
      column = 0
      
      rule_elements.each do |element|
        
        field  = headers[column].downcase if headers[column]
        str    = arr[column]
        
        if str != nil && element != nil
          #puts ("eval: #{field} = '#{str}'")
          #eval( "#{field} = '#{str}'" )
  
          @rules << "\t" + element.downcase + "{ "
          pattern = "\#\{#{field}\}"
          
          #puts rule_code[column]
          #puts "pattern: #{pattern} str:#{str}"
          if rule_code[column] == pattern
            statement = str # straight replace
          else
            statement = rule_code[column].gsub(pattern,quote(str))
          end
          
          #puts "statement:#{statement}"
          
          @rules << statement     
          @rules << "}\n"
        end
        
        column += 1
      end
      @rules << "end\n"
    #end
    index += 1
  }
end

Instance Attribute Details

#rules ⇒ Object (readonly)

Returns the value of attribute rules.



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# File 'lib/rools/csv_table.rb', line 9

def rules
  @rules
end

Instance Method Details

#quote(str) ⇒ Object

return quoted String or Number There is probably a more elagant way of doing this but…



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# File 'lib/rools/csv_table.rb', line 15

def quote( str )
  return str if (str.to_i.to_s == str)
  return str if (str.to_f.to_s == str)
  '"' + str + '"'
end