Class: REXML::CSSSelector::Queries::AttributeMatcherQuery

Inherits:
Object
  • Object
show all
Defined in:
lib/rexml/css_selector/queries/attribute_matcher_query.rb

Instance Method Summary collapse

Constructor Details

#initialize(cont:, name:, namespace:, matcher:, value:, modifier:) ⇒ AttributeMatcherQuery

Returns a new instance of AttributeMatcherQuery.



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# File 'lib/rexml/css_selector/queries/attribute_matcher_query.rb', line 7

def initialize(cont:, name:, namespace:, matcher:, value:, modifier:)
  @cont = cont
  @name = name
  @namespace = namespace
  @matcher = matcher
  @value = value
  @modifier = modifier
end

Instance Method Details

#call(node, context) ⇒ Object 



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# File 'lib/rexml/css_selector/queries/attribute_matcher_query.rb', line 16

def call(node, context)
  value =
    case @value
    in Substitution[name:]
      context.substitutions[name]
    in String[value:]
      value
    in Ident[value:]
      value
    in Bare[value:]
      value
    end
  return false unless value

  name = @name
  name = @name.downcase(:ascii) if context.options[:attribute_name_case] == :insensitive
  actual = context.adapter.get_attribute(node, name, @namespace, context.options[:attribute_name_case])
  return false unless actual

  if @modifier == :i || context.options[:case_sensitive_attribute_values].include?(name)
    value = value.downcase(:ascii)
    actual = actual.downcase(:ascii)
  end

  case @matcher
  in :"="
    value == actual && @cont.call(node, context)
  in :"~="
    actual.split(/\s+/).include?(value) && @cont.call(node, context)
  in :"|="
    /(?:^|\|)#{value}(?:$|[|-])/.match?(actual) && @cont.call(node, context)
  in :"^="
    actual.start_with?(value) && @cont.call(node, context)
  in :"$="
    actual.end_with?(value) && @cont.call(node, context)
  in :"*="
    actual.include?(value) && @cont.call(node, context)
  end
end