Class: Liquid::StandardFilters::InputIterator

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/liquid/standardfilters.rb

Instance Method Summary collapse

Constructor Details

#initialize(input, context) ⇒ InputIterator

Returns a new instance of InputIterator.



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# File 'lib/liquid/standardfilters.rb', line 1035

def initialize(input, context)
  @context = context
  @input   = if input.is_a?(Array)
    input.flatten
  elsif input.is_a?(Hash)
    [input]
  elsif input.is_a?(Enumerable)
    input
  else
    Array(input)
  end
end

Instance Method Details

#compact ⇒ Object 



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# File 'lib/liquid/standardfilters.rb', line 1078

def compact
  to_a.compact
end

#concat(args) ⇒ Object 



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# File 'lib/liquid/standardfilters.rb', line 1063

def concat(args)
  to_a.concat(args)
end

#each ⇒ Object 



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# File 'lib/liquid/standardfilters.rb', line 1087

def each
  @input.each do |e|
    e = e.respond_to?(:to_liquid) ? e.to_liquid : e
    e.context = @context if e.respond_to?(:context=)
    yield(e)
  end
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/liquid/standardfilters.rb', line 1082

def empty?
  @input.each { return false }
  true
end

#join(glue) ⇒ Object 



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# File 'lib/liquid/standardfilters.rb', line 1048

def join(glue)
  first = true
  output = +""
  each do |item|
    if first
      first = false
    else
      output << glue
    end

    output << Liquid::Utils.to_s(item)
  end
  output
end

#reverse ⇒ Object 



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# File 'lib/liquid/standardfilters.rb', line 1067

def reverse
  reverse_each.to_a
end

#uniq(&block) ⇒ Object 



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# File 'lib/liquid/standardfilters.rb', line 1071

def uniq(&block)
  to_a.uniq do |item|
    item = Utils.to_liquid_value(item)
    block ? yield(item) : item
  end
end