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-rw-r--r--actionpack/lib/action_dispatch/routing/mapper.rb28
1 files changed, 17 insertions, 11 deletions
diff --git a/actionpack/lib/action_dispatch/routing/mapper.rb b/actionpack/lib/action_dispatch/routing/mapper.rb
index 817480c7ae..dba9ccbfa5 100644
--- a/actionpack/lib/action_dispatch/routing/mapper.rb
+++ b/actionpack/lib/action_dispatch/routing/mapper.rb
@@ -124,15 +124,7 @@ module ActionDispatch
def normalize_requirements!
constraints.each do |key, requirement|
next unless segment_keys.include?(key) || key == :controller
-
- if requirement.source =~ ANCHOR_CHARACTERS_REGEX
- raise ArgumentError, "Regexp anchor characters are not allowed in routing requirements: #{requirement.inspect}"
- end
-
- if requirement.multiline?
- raise ArgumentError, "Regexp multiline option is not allowed in routing requirements: #{requirement.inspect}"
- end
-
+ verify_regexp_requirement(requirement) if requirement.is_a?(Regexp)
@requirements[key] = requirement
end
@@ -145,6 +137,16 @@ module ActionDispatch
end
end
+ def verify_regexp_requirement(requirement)
+ if requirement.source =~ ANCHOR_CHARACTERS_REGEX
+ raise ArgumentError, "Regexp anchor characters are not allowed in routing requirements: #{requirement.inspect}"
+ end
+
+ if requirement.multiline?
+ raise ArgumentError, "Regexp multiline option is not allowed in routing requirements: #{requirement.inspect}"
+ end
+ end
+
def normalize_defaults!
@defaults.merge!(scope[:defaults]) if scope[:defaults]
@defaults.merge!(options[:defaults]) if options[:defaults]
@@ -425,11 +427,15 @@ module ActionDispatch
# end
#
# [:constraints]
- # Constrains parameters with a hash of regular expressions or an
- # object that responds to <tt>matches?</tt>
+ # Constrains parameters with a hash of regular expressions
+ # or an object that responds to <tt>matches?</tt>. In addition, constraints
+ # other than path can also be specified with any object
+ # that responds to <tt>===</tt> (eg. String, Array, Range, etc.).
#
# match 'path/:id', constraints: { id: /[A-Z]\d{5}/ }
#
+ # match 'json_only', constraints: { format: 'json' }
+ #
# class Blacklist
# def matches?(request) request.remote_ip == '1.2.3.4' end
# end