diff options
Diffstat (limited to 'actionpack/lib/action_dispatch/journey')
11 files changed, 245 insertions, 153 deletions
diff --git a/actionpack/lib/action_dispatch/journey/formatter.rb b/actionpack/lib/action_dispatch/journey/formatter.rb index c0566c6fc9..0323360faa 100644 --- a/actionpack/lib/action_dispatch/journey/formatter.rb +++ b/actionpack/lib/action_dispatch/journey/formatter.rb @@ -14,7 +14,7 @@ module ActionDispatch def generate(name, options, path_parameters, parameterize = nil) constraints = path_parameters.merge(options) - missing_keys = [] + missing_keys = nil # need for variable scope match_route(name, constraints) do |route| parameterized_parts = extract_parameterized_parts(route, options, path_parameters, parameterize) @@ -25,22 +25,22 @@ module ActionDispatch next unless name || route.dispatcher? missing_keys = missing_keys(route, parameterized_parts) - next unless missing_keys.empty? + next if missing_keys && !missing_keys.empty? params = options.dup.delete_if do |key, _| parameterized_parts.key?(key) || route.defaults.key?(key) end defaults = route.defaults required_parts = route.required_parts - parameterized_parts.delete_if do |key, value| - value.to_s == defaults[key].to_s && !required_parts.include?(key) + parameterized_parts.keep_if do |key, value| + (defaults[key].nil? && value.present?) || value.to_s != defaults[key].to_s || required_parts.include?(key) end return [route.format(parameterized_parts), params] end message = "No route matches #{Hash[constraints.sort_by{|k,v| k.to_s}].inspect}" - message << " missing required keys: #{missing_keys.sort.inspect}" unless missing_keys.empty? + message << " missing required keys: #{missing_keys.sort.inspect}" if missing_keys && !missing_keys.empty? raise ActionController::UrlGenerationError, message end @@ -54,12 +54,12 @@ module ActionDispatch def extract_parameterized_parts(route, options, recall, parameterize = nil) parameterized_parts = recall.merge(options) - keys_to_keep = route.parts.reverse.drop_while { |part| + keys_to_keep = route.parts.reverse_each.drop_while { |part| !options.key?(part) || (options[part] || recall[part]).nil? } | route.required_parts - (parameterized_parts.keys - keys_to_keep).each do |bad_key| - parameterized_parts.delete(bad_key) + parameterized_parts.delete_if do |bad_key, _| + !keys_to_keep.include?(bad_key) end if parameterize @@ -110,15 +110,36 @@ module ActionDispatch routes end + module RegexCaseComparator + DEFAULT_INPUT = /[-_.a-zA-Z0-9]+\/[-_.a-zA-Z0-9]+/ + DEFAULT_REGEX = /\A#{DEFAULT_INPUT}\Z/ + + def self.===(regex) + DEFAULT_INPUT == regex + end + end + # Returns an array populated with missing keys if any are present. def missing_keys(route, parts) - missing_keys = [] + missing_keys = nil tests = route.path.requirements route.required_parts.each { |key| - if tests.key?(key) - missing_keys << key unless /\A#{tests[key]}\Z/ === parts[key] + case tests[key] + when nil + unless parts[key] + missing_keys ||= [] + missing_keys << key + end + when RegexCaseComparator + unless RegexCaseComparator::DEFAULT_REGEX === parts[key] + missing_keys ||= [] + missing_keys << key + end else - missing_keys << key unless parts[key] + unless /\A#{tests[key]}\Z/ === parts[key] + missing_keys ||= [] + missing_keys << key + end end } missing_keys @@ -134,7 +155,7 @@ module ActionDispatch def build_cache root = { ___routes: [] } - routes.each_with_index do |route, i| + routes.routes.each_with_index do |route, i| leaf = route.required_defaults.inject(root) do |h, tuple| h[tuple] ||= {} end diff --git a/actionpack/lib/action_dispatch/journey/nfa/dot.rb b/actionpack/lib/action_dispatch/journey/nfa/dot.rb index 47bf76bdbf..7063b44bb5 100644 --- a/actionpack/lib/action_dispatch/journey/nfa/dot.rb +++ b/actionpack/lib/action_dispatch/journey/nfa/dot.rb @@ -1,5 +1,3 @@ -# encoding: utf-8 - module ActionDispatch module Journey # :nodoc: module NFA # :nodoc: diff --git a/actionpack/lib/action_dispatch/journey/nodes/node.rb b/actionpack/lib/action_dispatch/journey/nodes/node.rb index bb01c087bc..2793c5668d 100644 --- a/actionpack/lib/action_dispatch/journey/nodes/node.rb +++ b/actionpack/lib/action_dispatch/journey/nodes/node.rb @@ -14,15 +14,15 @@ module ActionDispatch end def each(&block) - Visitors::Each.new(block).accept(self) + Visitors::Each::INSTANCE.accept(self, block) end def to_s - Visitors::String.new.accept(self) + Visitors::String::INSTANCE.accept(self, '') end def to_dot - Visitors::Dot.new.accept(self) + Visitors::Dot::INSTANCE.accept(self) end def to_sym @@ -30,7 +30,7 @@ module ActionDispatch end def name - left.tr '*:', '' + left.tr '*:'.freeze, ''.freeze end def type @@ -39,10 +39,15 @@ module ActionDispatch def symbol?; false; end def literal?; false; end + def terminal?; false; end + def star?; false; end + def cat?; false; end + def group?; false; end end class Terminal < Node # :nodoc: alias :symbol :left + def terminal?; true; end end class Literal < Terminal # :nodoc: @@ -69,11 +74,13 @@ module ActionDispatch class Symbol < Terminal # :nodoc: attr_accessor :regexp alias :symbol :regexp + attr_reader :name DEFAULT_EXP = /[^\.\/\?]+/ def initialize(left) super @regexp = DEFAULT_EXP + @name = left.tr '*:'.freeze, ''.freeze end def default_regexp? @@ -89,9 +96,11 @@ module ActionDispatch class Group < Unary # :nodoc: def type; :GROUP; end + def group?; true; end end class Star < Unary # :nodoc: + def star?; true; end def type; :STAR; end def name @@ -111,6 +120,7 @@ module ActionDispatch end class Cat < Binary # :nodoc: + def cat?; true; end def type; :CAT; end end diff --git a/actionpack/lib/action_dispatch/journey/parser_extras.rb b/actionpack/lib/action_dispatch/journey/parser_extras.rb index 14892f4321..fff0299812 100644 --- a/actionpack/lib/action_dispatch/journey/parser_extras.rb +++ b/actionpack/lib/action_dispatch/journey/parser_extras.rb @@ -6,6 +6,10 @@ module ActionDispatch class Parser < Racc::Parser # :nodoc: include Journey::Nodes + def self.parse(string) + new.parse string + end + def initialize @scanner = Scanner.new end diff --git a/actionpack/lib/action_dispatch/journey/path/pattern.rb b/actionpack/lib/action_dispatch/journey/path/pattern.rb index 64b48ca45f..5ee8810066 100644 --- a/actionpack/lib/action_dispatch/journey/path/pattern.rb +++ b/actionpack/lib/action_dispatch/journey/path/pattern.rb @@ -1,5 +1,3 @@ -require 'action_dispatch/journey/router/strexp' - module ActionDispatch module Journey # :nodoc: module Path # :nodoc: @@ -7,14 +5,20 @@ module ActionDispatch attr_reader :spec, :requirements, :anchored def self.from_string string - new Journey::Router::Strexp.build(string, {}, ["/.?"], true) + build(string, {}, "/.?", true) + end + + def self.build(path, requirements, separators, anchored) + parser = Journey::Parser.new + ast = parser.parse path + new ast, requirements, separators, anchored end - def initialize(strexp) - @spec = strexp.ast - @requirements = strexp.requirements - @separators = strexp.separators.join - @anchored = strexp.anchor + def initialize(ast, requirements, separators, anchored) + @spec = ast + @requirements = requirements + @separators = separators + @anchored = anchored @names = nil @optional_names = nil @@ -28,12 +32,12 @@ module ActionDispatch end def ast - @spec.grep(Nodes::Symbol).each do |node| + @spec.find_all(&:symbol?).each do |node| re = @requirements[node.to_sym] node.regexp = re if re end - @spec.grep(Nodes::Star).each do |node| + @spec.find_all(&:star?).each do |node| node = node.left node.regexp = @requirements[node.to_sym] || /(.+)/ end @@ -42,7 +46,7 @@ module ActionDispatch end def names - @names ||= spec.grep(Nodes::Symbol).map(&:name) + @names ||= spec.find_all(&:symbol?).map(&:name) end def required_names @@ -50,36 +54,11 @@ module ActionDispatch end def optional_names - @optional_names ||= spec.grep(Nodes::Group).flat_map { |group| - group.grep(Nodes::Symbol) + @optional_names ||= spec.find_all(&:group?).flat_map { |group| + group.find_all(&:symbol?) }.map(&:name).uniq end - class RegexpOffsets < Journey::Visitors::Visitor # :nodoc: - attr_reader :offsets - - def initialize(matchers) - @matchers = matchers - @capture_count = [0] - end - - def visit(node) - super - @capture_count - end - - def visit_SYMBOL(node) - node = node.to_sym - - if @matchers.key?(node) - re = /#{@matchers[node]}|/ - @capture_count.push((re.match('').length - 1) + (@capture_count.last || 0)) - else - @capture_count << (@capture_count.last || 0) - end - end - end - class AnchoredRegexp < Journey::Visitors::Visitor # :nodoc: def initialize(separator, matchers) @separator = separator @@ -189,8 +168,20 @@ module ActionDispatch def offsets return @offsets if @offsets - viz = RegexpOffsets.new(@requirements) - @offsets = viz.accept(spec) + @offsets = [0] + + spec.find_all(&:symbol?).each do |node| + node = node.to_sym + + if @requirements.key?(node) + re = /#{@requirements[node]}|/ + @offsets.push((re.match('').length - 1) + @offsets.last) + else + @offsets << @offsets.last + end + end + + @offsets end end end diff --git a/actionpack/lib/action_dispatch/journey/route.rb b/actionpack/lib/action_dispatch/journey/route.rb index cbc985640a..35c2b1b86e 100644 --- a/actionpack/lib/action_dispatch/journey/route.rb +++ b/actionpack/lib/action_dispatch/journey/route.rb @@ -1,36 +1,81 @@ module ActionDispatch module Journey # :nodoc: class Route # :nodoc: - attr_reader :app, :path, :defaults, :name + attr_reader :app, :path, :defaults, :name, :precedence attr_reader :constraints alias :conditions :constraints - attr_accessor :precedence + module VerbMatchers + VERBS = %w{ DELETE GET HEAD OPTIONS LINK PATCH POST PUT TRACE UNLINK } + VERBS.each do |v| + class_eval <<-eoc + class #{v} + def self.verb; name.split("::").last; end + def self.call(req); req.#{v.downcase}?; end + end + eoc + end + + class Unknown + attr_reader :verb + + def initialize(verb) + @verb = verb + end + + def call(request); @verb === request.request_method; end + end + + class All + def self.call(_); true; end + def self.verb; ''; end + end + + VERB_TO_CLASS = VERBS.each_with_object({ :all => All }) do |verb, hash| + klass = const_get verb + hash[verb] = klass + hash[verb.downcase] = klass + hash[verb.downcase.to_sym] = klass + end + + end + + def self.verb_matcher(verb) + VerbMatchers::VERB_TO_CLASS.fetch(verb) do + VerbMatchers::Unknown.new verb.to_s.dasherize.upcase + end + end + + def self.build(name, app, path, constraints, required_defaults, defaults) + request_method_match = verb_matcher(constraints.delete(:request_method)) + new name, app, path, constraints, required_defaults, defaults, request_method_match, 0 + end ## # +path+ is a path constraint. # +constraints+ is a hash of constraints to be applied to this route. - def initialize(name, app, path, constraints, required_defaults, defaults) + def initialize(name, app, path, constraints, required_defaults, defaults, request_method_match, precedence) @name = name @app = app @path = path + @request_method_match = request_method_match @constraints = constraints @defaults = defaults @required_defaults = nil - @_required_defaults = required_defaults || [] + @_required_defaults = required_defaults @required_parts = nil @parts = nil @decorated_ast = nil - @precedence = 0 + @precedence = precedence @path_formatter = @path.build_formatter end def ast @decorated_ast ||= begin decorated_ast = path.ast - decorated_ast.grep(Nodes::Terminal).each { |n| n.memo = self } + decorated_ast.find_all(&:terminal?).each { |n| n.memo = self } decorated_ast end end @@ -92,7 +137,8 @@ module ActionDispatch end def matches?(request) - constraints.all? do |method, value| + match_verb(request) && + constraints.all? { |method, value| case value when Regexp, String value === request.send(method).to_s @@ -105,15 +151,28 @@ module ActionDispatch else value === request.send(method) end - end + } end def ip constraints[:ip] || // end + def requires_matching_verb? + !@request_method_match.all? { |x| x == VerbMatchers::All } + end + def verb - constraints[:request_method] || // + verbs.join('|') + end + + private + def verbs + @request_method_match.map(&:verb) + end + + def match_verb(request) + @request_method_match.any? { |m| m.call request } end end end diff --git a/actionpack/lib/action_dispatch/journey/router.rb b/actionpack/lib/action_dispatch/journey/router.rb index b84aad8eb6..f649588520 100644 --- a/actionpack/lib/action_dispatch/journey/router.rb +++ b/actionpack/lib/action_dispatch/journey/router.rb @@ -1,5 +1,4 @@ require 'action_dispatch/journey/router/utils' -require 'action_dispatch/journey/router/strexp' require 'action_dispatch/journey/routes' require 'action_dispatch/journey/formatter' @@ -102,7 +101,7 @@ module ActionDispatch } routes = - if req.request_method == "HEAD" + if req.head? match_head_routes(routes, req) else match_routes(routes, req) @@ -121,7 +120,7 @@ module ActionDispatch end def match_head_routes(routes, req) - verb_specific_routes = routes.reject { |route| route.verb == // } + verb_specific_routes = routes.select(&:requires_matching_verb?) head_routes = match_routes(verb_specific_routes, req) if head_routes.empty? diff --git a/actionpack/lib/action_dispatch/journey/router/strexp.rb b/actionpack/lib/action_dispatch/journey/router/strexp.rb deleted file mode 100644 index 4b7738f335..0000000000 --- a/actionpack/lib/action_dispatch/journey/router/strexp.rb +++ /dev/null @@ -1,27 +0,0 @@ -module ActionDispatch - module Journey # :nodoc: - class Router # :nodoc: - class Strexp # :nodoc: - class << self - alias :compile :new - end - - attr_reader :path, :requirements, :separators, :anchor, :ast - - def self.build(path, requirements, separators, anchor = true) - parser = Journey::Parser.new - ast = parser.parse path - new ast, path, requirements, separators, anchor - end - - def initialize(ast, path, requirements, separators, anchor = true) - @ast = ast - @path = path - @requirements = requirements - @separators = separators - @anchor = anchor - end - end - end - end -end diff --git a/actionpack/lib/action_dispatch/journey/router/utils.rb b/actionpack/lib/action_dispatch/journey/router/utils.rb index d02ed96d0d..9793ca1c7a 100644 --- a/actionpack/lib/action_dispatch/journey/router/utils.rb +++ b/actionpack/lib/action_dispatch/journey/router/utils.rb @@ -14,10 +14,10 @@ module ActionDispatch # normalize_path("/%ab") # => "/%AB" def self.normalize_path(path) path = "/#{path}" - path.squeeze!('/') - path.sub!(%r{/+\Z}, '') + path.squeeze!('/'.freeze) + path.sub!(%r{/+\Z}, ''.freeze) path.gsub!(/(%[a-f0-9]{2})/) { $1.upcase } - path = '/' if path == '' + path = '/' if path == ''.freeze path end diff --git a/actionpack/lib/action_dispatch/journey/routes.rb b/actionpack/lib/action_dispatch/journey/routes.rb index 5990964b57..f7b009109e 100644 --- a/actionpack/lib/action_dispatch/journey/routes.rb +++ b/actionpack/lib/action_dispatch/journey/routes.rb @@ -5,11 +5,10 @@ module ActionDispatch class Routes # :nodoc: include Enumerable - attr_reader :routes, :named_routes, :custom_routes, :anchored_routes + attr_reader :routes, :custom_routes, :anchored_routes def initialize @routes = [] - @named_routes = {} @ast = nil @anchored_routes = [] @custom_routes = [] @@ -37,7 +36,6 @@ module ActionDispatch routes.clear anchored_routes.clear custom_routes.clear - named_routes.clear end def partition_route(route) @@ -62,13 +60,9 @@ module ActionDispatch end end - # Add a route to the routing table. - def add_route(app, path, conditions, required_defaults, defaults, name = nil) - route = Route.new(name, app, path, conditions, required_defaults, defaults) - - route.precedence = routes.length + def add_route(name, mapping) + route = mapping.make_route name, routes.length routes << route - named_routes[name] = route if name && !named_routes[name] partition_route(route) clear_cache! route diff --git a/actionpack/lib/action_dispatch/journey/visitors.rb b/actionpack/lib/action_dispatch/journey/visitors.rb index 52b4c8b489..306d2e674a 100644 --- a/actionpack/lib/action_dispatch/journey/visitors.rb +++ b/actionpack/lib/action_dispatch/journey/visitors.rb @@ -1,5 +1,3 @@ -# encoding: utf-8 - module ActionDispatch module Journey # :nodoc: class Format @@ -92,6 +90,45 @@ module ActionDispatch end end + class FunctionalVisitor # :nodoc: + DISPATCH_CACHE = {} + + def accept(node, seed) + visit(node, seed) + end + + def visit node, seed + send(DISPATCH_CACHE[node.type], node, seed) + end + + def binary(node, seed) + visit(node.right, visit(node.left, seed)) + end + def visit_CAT(n, seed); binary(n, seed); end + + def nary(node, seed) + node.children.inject(seed) { |s, c| visit(c, s) } + end + def visit_OR(n, seed); nary(n, seed); end + + def unary(node, seed) + visit(node.left, seed) + end + def visit_GROUP(n, seed); unary(n, seed); end + def visit_STAR(n, seed); unary(n, seed); end + + def terminal(node, seed); seed; end + def visit_LITERAL(n, seed); terminal(n, seed); end + def visit_SYMBOL(n, seed); terminal(n, seed); end + def visit_SLASH(n, seed); terminal(n, seed); end + def visit_DOT(n, seed); terminal(n, seed); end + + instance_methods(false).each do |pim| + next unless pim =~ /^visit_(.*)$/ + DISPATCH_CACHE[$1.to_sym] = pim + end + end + class FormatBuilder < Visitor # :nodoc: def accept(node); Journey::Format.new(super); end def terminal(node); [node.left]; end @@ -117,104 +154,110 @@ module ActionDispatch end # Loop through the requirements AST - class Each < Visitor # :nodoc: - attr_reader :block - - def initialize(block) - @block = block - end - - def visit(node) + class Each < FunctionalVisitor # :nodoc: + def visit(node, block) block.call(node) super end + + INSTANCE = new end - class String < Visitor # :nodoc: + class String < FunctionalVisitor # :nodoc: private - def binary(node) - [visit(node.left), visit(node.right)].join + def binary(node, seed) + visit(node.right, visit(node.left, seed)) end - def nary(node) - node.children.map { |c| visit(c) }.join '|' + def nary(node, seed) + last_child = node.children.last + node.children.inject(seed) { |s, c| + string = visit(c, s) + string << "|".freeze unless last_child == c + string + } end - def terminal(node) - node.left + def terminal(node, seed) + seed + node.left end - def visit_GROUP(node) - "(#{visit(node.left)})" + def visit_GROUP(node, seed) + visit(node.left, seed << "(".freeze) << ")".freeze end + + INSTANCE = new end - class Dot < Visitor # :nodoc: + class Dot < FunctionalVisitor # :nodoc: def initialize @nodes = [] @edges = [] end - def accept(node) + def accept(node, seed = [[], []]) super + nodes, edges = seed <<-eodot digraph parse_tree { size="8,5" node [shape = none]; edge [dir = none]; - #{@nodes.join "\n"} - #{@edges.join("\n")} + #{nodes.join "\n"} + #{edges.join("\n")} } eodot end private - def binary(node) - node.children.each do |c| - @edges << "#{node.object_id} -> #{c.object_id};" - end + def binary(node, seed) + seed.last.concat node.children.map { |c| + "#{node.object_id} -> #{c.object_id};" + } super end - def nary(node) - node.children.each do |c| - @edges << "#{node.object_id} -> #{c.object_id};" - end + def nary(node, seed) + seed.last.concat node.children.map { |c| + "#{node.object_id} -> #{c.object_id};" + } super end - def unary(node) - @edges << "#{node.object_id} -> #{node.left.object_id};" + def unary(node, seed) + seed.last << "#{node.object_id} -> #{node.left.object_id};" super end - def visit_GROUP(node) - @nodes << "#{node.object_id} [label=\"()\"];" + def visit_GROUP(node, seed) + seed.first << "#{node.object_id} [label=\"()\"];" super end - def visit_CAT(node) - @nodes << "#{node.object_id} [label=\"○\"];" + def visit_CAT(node, seed) + seed.first << "#{node.object_id} [label=\"○\"];" super end - def visit_STAR(node) - @nodes << "#{node.object_id} [label=\"*\"];" + def visit_STAR(node, seed) + seed.first << "#{node.object_id} [label=\"*\"];" super end - def visit_OR(node) - @nodes << "#{node.object_id} [label=\"|\"];" + def visit_OR(node, seed) + seed.first << "#{node.object_id} [label=\"|\"];" super end - def terminal(node) + def terminal(node, seed) value = node.left - @nodes << "#{node.object_id} [label=\"#{value}\"];" + seed.first << "#{node.object_id} [label=\"#{value}\"];" + seed end + INSTANCE = new end end end |