Class: Arrays::AttributeParser

Inherits:
Liquid::Parser
  • Object
show all
Defined in:
lib/liquid-arrays/attribute_parser.rb

Instance Method Summary collapse

Constructor Details

#initialize(parse_context, default_key = nil, markup) ⇒ AttributeParser

Returns a new instance of AttributeParser.



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# File 'lib/liquid-arrays/attribute_parser.rb', line 3

def initialize(parse_context, default_key = nil, markup)
  super(markup)
  @parse_context = parse_context
  parse(default_key, markup)
end

Instance Method Details

#consume_attribute(key, type = nil) ⇒ Object 



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# File 'lib/liquid-arrays/attribute_parser.rb', line 9

def consume_attribute(key, type = nil)
  return nil unless @attributes.key?(key)
  value = @attributes.delete(key)
  if type == :id
    return value[0] == :id ? value[1].raw : nil
  elsif type == :array && value[0] != :array
    return ArrayVariable.new([value[1]])
  end
  return type.nil? || value[0] == type || value[0] == :id ? value[1] : nil
end

#consume_required_attribute(key, type = nil) ⇒ Object

Raises:

  • (Liquid::SyntaxError) 


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# File 'lib/liquid-arrays/attribute_parser.rb', line 20

def consume_required_attribute(key, type = nil)
  attribute = consume_attribute(key, type)
  raise Liquid::SyntaxError, "#{key} not specified" if attribute == nil
  attribute
end

#finish ⇒ Object 



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# File 'lib/liquid-arrays/attribute_parser.rb', line 26

def finish
  unless @attributes.empty?
    raise Liquid::SyntaxError, "invalid arguments #{@attributes.keys.join(',')}"
  end
end