Class: AnixeCsv::Row

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/anixe_csv/row.rb

Overview

A class returned by Reader, a wrapper around an array allowing to access fields by their names from the header of the file

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(row, fields) ⇒ Row

Returns a new instance of Row.



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# File 'lib/anixe_csv/row.rb', line 5

def initialize(row, fields)
	throw ArgumentError unless row.kind_of? Array
	throw ArgumentError unless fields.kind_of? Hash
	@row = row
	@fields = fields
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args) ⇒ Object

private :row, :fields



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# File 'lib/anixe_csv/row.rb', line 15

def method_missing(m, *args)
	throw ArgumentError, "#{m} is not in the headers" unless @fields.keys.include? m
	@row[@fields[m]]
end

Instance Attribute Details

#fields ⇒ Object (readonly)

Returns the value of attribute fields.



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# File 'lib/anixe_csv/row.rb', line 12

def fields
  @fields
end

#row ⇒ Object (readonly)

Returns the value of attribute row.



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# File 'lib/anixe_csv/row.rb', line 12

def row
  @row
end

Instance Method Details

#+(other) ⇒ Object 



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# File 'lib/anixe_csv/row.rb', line 28

def +(other)
	new_row = (self.row + other.row)

	header = merge_headers(self.fields, other.fields)
	new_fields = Hash[ header.collect {|v| [v, header.index(v)] } ]

	Row.new(new_row, new_fields)
end

#[](index) ⇒ Object 



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# File 'lib/anixe_csv/row.rb', line 20

def [](index)
	@row[index]
end

#each(*args) ⇒ Object 



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# File 'lib/anixe_csv/row.rb', line 24

def each(*args)
	@row.each(*args) {|i| yield i}
end

#values ⇒ Object 



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# File 'lib/anixe_csv/row.rb', line 37

def values
	@row
end