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A kick-ass HTTP router for use in Rack
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http_router.gemspec

README.rdoc

HTTP Router

Features

  • Supports variables, and globbing, both named and unnamed.

  • Regex support for variables.

  • Request condition support.

  • Partial matches.

  • Supports interstitial variables (e.g. /my-:variable-brings.all.the.boys/yard) and unnamed variable /one/:/two

  • Very fast and small code base (~1,000 loc).

  • Sinatra compatibility.

Usage

Please see the examples directory for a bunch of awesome rackup file examples, with tonnes of commentary. As well, the rdocs should provide a lot of useful specifics and exact usage.

HttpRouter.new

Takes the following options:

  • :default_app - The default #call made on non-matches. Defaults to a 404 generator.

  • :ignore_trailing_slash - Ignores the trailing slash when matching. Defaults to true.

  • :redirect_trailing_slash - Redirect on trailing slash matches to non-trailing slash paths. Defaults to false.

  • :middleware - Perform matching without deferring to matched route. Defaults to false.

#add(name, options)

Maps a route. The format for variables in paths is:

:variable
*glob

Everything else is treated literally. Optional parts are surrounded by brackets. Partially matching paths have a trailing *. Optional trailing slash matching is done with /?.

As well, you can escape the following characters with a backslash: ( ) : *

Once you have a route object, use HttpRouter::Route#to to add a destination and HttpRouter::Route#name to name it.

e.g.

r = HttpRouter.new
r.add('/test/:variable(.:format)').name(:my_test_path).to {|env| [200, {}, "Hey dude #{env['router.params'][:variable]}"]}
r.add('/test').redirect("http://www.google.com/")
r.add('/static').static('/my_file_system')

As well, you can support regex matching and request conditions. To add a regex match, use matching(:id => /\d+/). To match on a request condition you can use condition(:request_method => %w(POST HEAD)) or more succinctly request_method('POST', 'HEAD').

There are convenience methods HttpRouter#get, HttpRouter#post, etc for each request method.

Routes will not be recognized unless #to has been called on it.

#url(name or route, *args)

Generates a route. The args can either be a hash, a list, or a mix of both.

#call(env or Rack::Request)

Recognizes and dispatches the request.

#recognize(env or Rack::Request)

Only performs recognition.

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