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# frozen_string_literal: true
require 'xpath'
module Capybara
class Selector
# @api private
class XPathBuilder
def initialize(expression)
@expression = expression || ''
end
attr_reader :expression
def add_attribute_conditions(**conditions)
@expression = conditions.inject(expression) do |xp, (name, value)|
conditions = name == :class ? class_conditions(value) : attribute_conditions(name => value)
return xp if conditions.nil?
if xp.is_a? XPath::Expression
xp[conditions]
else
"(#{xp})[#{conditions}]"
end
end
end
private
def attribute_conditions(attributes)
attributes.map do |attribute, value|
case value
when XPath::Expression
XPath.attr(attribute)[value]
when Regexp
XPath.attr(attribute)[regexp_to_xpath_conditions(value)]
when true
XPath.attr(attribute)
when false, nil
!XPath.attr(attribute)
else
XPath.attr(attribute) == value.to_s
end
end.reduce(:&)
end
def class_conditions(classes)
case classes
when XPath::Expression, Regexp
attribute_conditions(class: classes)
else
Array(classes).reject { |c| c.is_a? Regexp }.map do |klass|
if klass.match?(/^!(?!!!)/)
!XPath.attr(:class).contains_word(klass.slice(1..-1))
else
XPath.attr(:class).contains_word(klass.sub(/^!!/, ''))
end
end.reduce(:&)
end
end
def regexp_to_xpath_conditions(regexp)
condition = XPath.current
condition = condition.uppercase if regexp.casefold?
Selector::RegexpDisassembler.new(regexp).alternated_substrings.map do |strs|
strs.map { |str| condition.contains(str) }.reduce(:&)
end.reduce(:|)
end
end
end
end
Version data entries
13 entries across 8 versions & 2 rubygems