cucumber-tag-expressions-8.1.0/0000775000175000017500000000000015152060026016743 5ustar squigleysquigleycucumber-tag-expressions-8.1.0/cucumber-tag-expressions.gemspec0000664000175000017500000000413215152060026025246 0ustar squigleysquigley######################################################### # This file has been automatically generated by gem2tgz # ######################################################### # -*- encoding: utf-8 -*- # stub: cucumber-tag-expressions 8.1.0 ruby lib Gem::Specification.new do |s| s.name = "cucumber-tag-expressions".freeze s.version = "8.1.0".freeze s.required_rubygems_version = Gem::Requirement.new(">= 3.2.3".freeze) if s.respond_to? :required_rubygems_version= s.metadata = { "bug_tracker_uri" => "https://github.com/cucumber/cucumber/issues", "changelog_uri" => "https://github.com/cucumber/tag-expressions/blob/main/CHANGELOG.md", "documentation_uri" => "https://cucumber.io/docs/cucumber/api/#tag-expressions", "mailing_list_uri" => "https://groups.google.com/forum/#!forum/cukes", "source_code_uri" => "https://github.com/cucumber/tag-expressions/tree/main/ruby" } if s.respond_to? :metadata= s.require_paths = ["lib".freeze] s.authors = ["Andrea Nodari".freeze, "Aslak Helles\u00F8y".freeze] s.date = "1980-01-02" s.description = "Cucumber tag expressions for ruby".freeze s.email = "cukes@googlegroups.com".freeze s.files = ["LICENSE".freeze, "README.md".freeze, "lib/cucumber/tag_expressions.rb".freeze, "lib/cucumber/tag_expressions/expressions.rb".freeze, "lib/cucumber/tag_expressions/parser.rb".freeze] s.homepage = "https://cucumber.io/docs/cucumber/api/#tag-expressions".freeze s.licenses = ["MIT".freeze] s.rdoc_options = ["--charset=UTF-8".freeze] s.required_ruby_version = Gem::Requirement.new(">= 2.6".freeze) s.rubygems_version = "3.6.9".freeze s.summary = "cucumber-tag-expressions-8.1.0".freeze s.specification_version = 4 s.add_development_dependency(%q.freeze, ["~> 13.3".freeze]) s.add_development_dependency(%q.freeze, ["~> 3.13".freeze]) s.add_development_dependency(%q.freeze, ["~> 1.47.0".freeze]) s.add_development_dependency(%q.freeze, ["~> 1.16.0".freeze]) s.add_development_dependency(%q.freeze, ["~> 0.6.0".freeze]) s.add_development_dependency(%q.freeze, ["~> 2.18.0".freeze]) end cucumber-tag-expressions-8.1.0/lib/0000775000175000017500000000000015152060026017511 5ustar squigleysquigleycucumber-tag-expressions-8.1.0/lib/cucumber/0000775000175000017500000000000015152060026021316 5ustar squigleysquigleycucumber-tag-expressions-8.1.0/lib/cucumber/tag_expressions/0000775000175000017500000000000015152060026024533 5ustar squigleysquigleycucumber-tag-expressions-8.1.0/lib/cucumber/tag_expressions/parser.rb0000644000175000017500000001241315152060026026353 0ustar squigleysquigley# frozen_string_literal: true require 'cucumber/tag_expressions/expressions' module Cucumber module TagExpressions class Parser def initialize @expressions = [] @operators = [] end def parse(infix_expression) expected_token_type = :operand tokens = tokenize(infix_expression) return True.new if tokens.empty? tokens.each { |token| expected_token_type = handle_sequential_tokens(token, infix_expression, expected_token_type) } while @operators.any? raise "Tag expression \"#{infix_expression}\" could not be parsed because of syntax error: Unmatched (." if @operators.last == '(' push_expression(infix_expression, @operators.pop) end @expressions.pop end private def lower_precedence?(operation) (operator_types.dig(operation, :assoc) == :left && precedence(operation) <= precedence(@operators.last)) || (operator_types.dig(operation, :assoc) == :right && precedence(operation) < precedence(@operators.last)) end def operator?(token) %i[unary_operator binary_operator].include?(operator_types.dig(token, :type)) end def precedence(token) operator_types.dig(token, :precedence) end def tokenize(infix_expression) tokens = [] escaped = false token = +'' infix_expression.chars.each do |char| if escaped unless char == '(' || char == ')' || char == '\\' || whitespace?(char) raise "Tag expression \"#{infix_expression}\" could not be parsed because of syntax error: Illegal escape before \"#{char}\"." end token += char escaped = false elsif char == '\\' escaped = true elsif char == '(' || char == ')' || whitespace?(char) unless token.empty? tokens.push(token) token = +'' end tokens.push(char) unless whitespace?(char) else token += char end end tokens.push(token) unless token.empty? tokens end def push_expression(infix_expression, token) case token when 'and' then @expressions.push(And.new(*popOperand(infix_expression, @expressions, 2))) when 'or' then @expressions.push(Or.new(*popOperand(infix_expression, @expressions, 2))) when 'not' then @expressions.push(Not.new(popOperand(infix_expression, @expressions))) else @expressions.push(Literal.new(token)) end end def handle_sequential_tokens(token, infix_expression, expected_token_type) if operator_types[token] send("handle_#{operator_types.dig(token, :type)}", infix_expression, token, expected_token_type) else handle_literal(infix_expression, token, expected_token_type) end end def handle_unary_operator(infix_expression, token, expected_token_type) check(infix_expression, expected_token_type, :operand) @operators.push(token) :operand end def handle_binary_operator(infix_expression, token, expected_token_type) check(infix_expression, expected_token_type, :operator) push_expression(infix_expression, @operators.pop) while @operators.any? && operator?(@operators.last) && lower_precedence?(token) @operators.push(token) :operand end def handle_open_paren(infix_expression, token, expected_token_type) check(infix_expression, expected_token_type, :operand) @operators.push(token) :operand end def handle_close_paren(infix_expression, _token, expected_token_type) check(infix_expression, expected_token_type, :operator) push_expression(infix_expression, @operators.pop) while @operators.any? && @operators.last != '(' raise "Tag expression \"#{infix_expression}\" could not be parsed because of syntax error: Unmatched )." if @operators.empty? @operators.pop if @operators.last == '(' :operator end def handle_literal(infix_expression, token, expected_token_type) check(infix_expression, expected_token_type, :operand) push_expression(infix_expression, token) :operator end def check(infix_expression, expected_token_type, token_type) return if expected_token_type == token_type raise "Tag expression \"#{infix_expression}\" could not be parsed because of syntax error: Expected #{expected_token_type}." end def popOperand(infix_expression, array, amount = 1) result = array.pop(amount) raise "Tag expression \"#{infix_expression}\" could not be parsed because of syntax error: Expected operand." if result.length != amount amount == 1 ? result.first : result end def operator_types { 'or' => { type: :binary_operator, precedence: 0, assoc: :left }, 'and' => { type: :binary_operator, precedence: 1, assoc: :left }, 'not' => { type: :unary_operator, precedence: 2, assoc: :right }, ')' => { type: :close_paren, precedence: -1 }, '(' => { type: :open_paren, precedence: 1 } } end def whitespace?(char) char.match(/\s/) end end end end cucumber-tag-expressions-8.1.0/lib/cucumber/tag_expressions/expressions.rb0000644000175000017500000000310615152060026027440 0ustar squigleysquigley# frozen_string_literal: true module Cucumber module TagExpressions # Literal expression node class Literal def initialize(value) @value = value end def evaluate(variables) variables.include?(@value) end def to_s @value .gsub(/\\/, '\\\\\\\\') .gsub(/\(/, '\\(') .gsub(/\)/, '\\)') .gsub(/\s/, '\\ ') end end # Not expression node class Not def initialize(expression) @expression = expression end def evaluate(variables) !@expression.evaluate(variables) end def to_s if @expression.is_a?(And) || @expression.is_a?(Or) # -- HINT: Binary operations already provide "( ... )" "not #{@expression}" else "not ( #{@expression} )" end end end # Or expression node class Or def initialize(left, right) @left = left @right = right end def evaluate(variables) @left.evaluate(variables) || @right.evaluate(variables) end def to_s "( #{@left} or #{@right} )" end end # And expression node class And def initialize(left, right) @left = left @right = right end def evaluate(variables) @left.evaluate(variables) && @right.evaluate(variables) end def to_s "( #{@left} and #{@right} )" end end class True def evaluate(_variables) true end def to_s '' end end end end cucumber-tag-expressions-8.1.0/lib/cucumber/tag_expressions.rb0000644000175000017500000000011115152060026025047 0ustar squigleysquigley# frozen_string_literal: true require 'cucumber/tag_expressions/parser' cucumber-tag-expressions-8.1.0/README.md0000644000175000017500000000016215152060026020217 0ustar squigleysquigley# Cucumber Tag Expressions for Ruby [The docs are here](https://cucumber.io/docs/cucumber/api/#tag-expressions). cucumber-tag-expressions-8.1.0/LICENSE0000644000175000017500000000207615152060026017753 0ustar squigleysquigleyMIT License Copyright (c) 2016 Cucumber Ltd and contributors Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.