Module: Liquid::Utils

Defined in:
lib/liquid/utils.rb

Class Method Summary collapse

Class Method Details

.non_blank_string?(collection) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/liquid/utils.rb', line 12

def self.non_blank_string?(collection)
  collection.is_a?(String) && collection != ''.freeze
end

.slice_collection(collection, from, to) ⇒ Object 



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# File 'lib/liquid/utils.rb', line 4

def self.slice_collection(collection, from, to)
  if (from != 0 || to != nil) && collection.respond_to?(:load_slice)
    collection.load_slice(from, to)
  else
    slice_collection_using_each(collection, from, to)
  end
end

.slice_collection_using_each(collection, from, to) ⇒ Object 



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# File 'lib/liquid/utils.rb', line 16

def self.slice_collection_using_each(collection, from, to)
  segments = []
  index = 0

  # Maintains Ruby 1.8.7 String#each behaviour on 1.9
  return [collection] if non_blank_string?(collection)

  collection.each do |item|

    if to && to <= index
      break
    end

    if from <= index
      segments << item
    end

    index += 1
  end

  segments
end