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-rw-r--r--actionpack/lib/action_dispatch/journey/nfa/simulator.rb2
-rw-r--r--actionpack/lib/action_dispatch/journey/nodes/node.rb4
-rw-r--r--actionpack/lib/action_dispatch/journey/path/pattern.rb4
-rw-r--r--actionpack/lib/action_dispatch/journey/routes.rb3
-rw-r--r--actionpack/lib/action_dispatch/journey/scanner.rb15
5 files changed, 17 insertions, 11 deletions
diff --git a/actionpack/lib/action_dispatch/journey/nfa/simulator.rb b/actionpack/lib/action_dispatch/journey/nfa/simulator.rb
index 8efe48d91c..002f6feb97 100644
--- a/actionpack/lib/action_dispatch/journey/nfa/simulator.rb
+++ b/actionpack/lib/action_dispatch/journey/nfa/simulator.rb
@@ -25,8 +25,6 @@ module ActionDispatch
state = tt.eclosure(0)
until input.eos?
sym = input.scan(%r([/.?]|[^/.?]+))
-
- # FIXME: tt.eclosure is not needed for the GTG
state = tt.eclosure(tt.move(state, sym))
end
diff --git a/actionpack/lib/action_dispatch/journey/nodes/node.rb b/actionpack/lib/action_dispatch/journey/nodes/node.rb
index 08b931a3cd..32f632800c 100644
--- a/actionpack/lib/action_dispatch/journey/nodes/node.rb
+++ b/actionpack/lib/action_dispatch/journey/nodes/node.rb
@@ -32,7 +32,7 @@ module ActionDispatch
end
def name
- left.tr "*:".freeze, "".freeze
+ -left.tr("*:", "")
end
def type
@@ -82,7 +82,7 @@ module ActionDispatch
def initialize(left)
super
@regexp = DEFAULT_EXP
- @name = left.tr "*:".freeze, "".freeze
+ @name = -left.tr("*:", "")
end
def default_regexp?
diff --git a/actionpack/lib/action_dispatch/journey/path/pattern.rb b/actionpack/lib/action_dispatch/journey/path/pattern.rb
index 2d85a89a56..537f479ee5 100644
--- a/actionpack/lib/action_dispatch/journey/path/pattern.rb
+++ b/actionpack/lib/action_dispatch/journey/path/pattern.rb
@@ -90,7 +90,7 @@ module ActionDispatch
return @separator_re unless @matchers.key?(node)
re = @matchers[node]
- "(#{re})"
+ "(#{Regexp.union(re)})"
end
def visit_GROUP(node)
@@ -183,7 +183,7 @@ module ActionDispatch
node = node.to_sym
if @requirements.key?(node)
- re = /#{@requirements[node]}|/
+ re = /#{Regexp.union(@requirements[node])}|/
@offsets.push((re.match("").length - 1) + @offsets.last)
else
@offsets << @offsets.last
diff --git a/actionpack/lib/action_dispatch/journey/routes.rb b/actionpack/lib/action_dispatch/journey/routes.rb
index 639c063495..c0377459d5 100644
--- a/actionpack/lib/action_dispatch/journey/routes.rb
+++ b/actionpack/lib/action_dispatch/journey/routes.rb
@@ -51,11 +51,12 @@ module ActionDispatch
def ast
@ast ||= begin
asts = anchored_routes.map(&:ast)
- Nodes::Or.new(asts) unless asts.empty?
+ Nodes::Or.new(asts)
end
end
def simulator
+ return if ast.nil?
@simulator ||= begin
gtg = GTG::Builder.new(ast).transition_table
GTG::Simulator.new(gtg)
diff --git a/actionpack/lib/action_dispatch/journey/scanner.rb b/actionpack/lib/action_dispatch/journey/scanner.rb
index 4ae77903fa..2a075862e9 100644
--- a/actionpack/lib/action_dispatch/journey/scanner.rb
+++ b/actionpack/lib/action_dispatch/journey/scanner.rb
@@ -34,6 +34,13 @@ module ActionDispatch
private
+ # takes advantage of String @- deduping capabilities in Ruby 2.5 upwards
+ # see: https://bugs.ruby-lang.org/issues/13077
+ def dedup_scan(regex)
+ r = @ss.scan(regex)
+ r ? -r : nil
+ end
+
def scan
case
# /
@@ -47,15 +54,15 @@ module ActionDispatch
[:OR, "|"]
when @ss.skip(/\./)
[:DOT, "."]
- when text = @ss.scan(/:\w+/)
+ when text = dedup_scan(/:\w+/)
[:SYMBOL, text]
- when text = @ss.scan(/\*\w+/)
+ when text = dedup_scan(/\*\w+/)
[:STAR, text]
when text = @ss.scan(/(?:[\w%\-~!$&'*+,;=@]|\\[:()])+/)
text.tr! "\\", ""
- [:LITERAL, text]
+ [:LITERAL, -text]
# any char
- when text = @ss.scan(/./)
+ when text = dedup_scan(/./)
[:LITERAL, text]
end
end