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MappedColumnsParser.parse()   A
last analyzed

↳ Parent: MappedColumnsParser

Complexity

Conditions 2

Size

Total Lines 11

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 2
c 1
b 0
f 0
dl 0
loc 11
rs 9.4285
1 
require "csv"
2 

            


            
                                                                                                            
                            
            
                                    
            
            

                
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module Koine

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  module Csv

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    class MappedColumnsParser < CsvParser

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      attr_reader :column_names

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      def initialize(options = {})

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        @column_names = options.fetch(:column_names)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        options.delete(:column_names)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        super(options)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      end

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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      def parse(contents, &block)

            


            
                                                                        
                            
            
                                    
            
            

                
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        mapped = []

            


            
                                                                        
                            
            
                                    
            
            

                
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        CSV.parse(contents, parser_options) do |row|

            


            
                                                                        
                            
            
                                    
            
            

                
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          new_row = {}

            


            
                                                                        
                            
            
                                    
            
            

                
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          row.each_with_index do |value, index|

            


            
                                                                        
                            
            
                                    
            
            

                
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            new_row[column_name(index)] = value

            


            
                                                                        
                            
            
                                    
            
            

                
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          end

            


            
                                                                        
                            
            
                                    
            
            

                
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          mapped << new_row

            


            
                                                                        
                            
            
                                    
            
            

                
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        end

            


            
                                                                        
                            
            
                                    
            
            

                
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        block_given? ? mapped.each(&block) : mapped

            


            
                                                                        
                            
            
                                    
            
            

                
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      end

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      private

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      def column_name(index)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        column_names.fetch(index)

            


            
                                                                                                            
                            
            
                                    
            
            

                
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      end

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    end

            


            
                                                                                                            
                            
            
                                    
            
            

                
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  end

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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end

            


            
                                                        
            
                                    
            
            

                
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