Class: Cbuilder

Inherits:
ActiveSupport::BasicObject
Defined in:
lib/cbuilder.rb

Direct Known Subclasses

CbuilderTemplate

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Cbuilder

Returns a new instance of Cbuilder.



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# File 'lib/cbuilder.rb', line 14

def initialize
  @attributes, @headers = ::Array.new, ::Array.new
end

Class Method Details

.encode(*args) {|cbuilder| ... } ⇒ Object

Yields a builder and automatically turns the result into a CSV file

Yields:

  • (cbuilder) 


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# File 'lib/cbuilder.rb', line 8

def self.encode(*args)
  cbuilder = new(*args)
  yield cbuilder
  cbuilder.target!
end

Instance Method Details

#set!(column, value) ⇒ Object Also known as: col 



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# File 'lib/cbuilder.rb', line 18

def set!(column, value)
  @headers.push column unless @headers.include?(column)
  @attributes.push value
end

#set_collection!(collection) ⇒ Object 



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# File 'lib/cbuilder.rb', line 24

def set_collection!(collection)
  @collection = collection
  @attributes = if ::Kernel::block_given?
    _map_collection(collection) { |element| if ::Proc.new.arity == 2 then yield self, element else yield element end }
  else
    collection
  end
end

#target! ⇒ Object

Encodes the current builder as CSV.



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# File 'lib/cbuilder.rb', line 34

def target!
  if ::RUBY_VERSION > '1.9'
    ::CSV.generate do |csv|
      csv << @headers # header row
      @attributes.each do |element| # body rows
        csv << (element.nil? ? '' : element)
      end
    end
  else
    FasterCSV.generate do |csv|
      csv << @headers # pop header row
      @attributes.each do |element| # body rows
        csv << (element.nil? ? '' : element)
      end
    end
  end
end