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Generating Routes

var r = new geddy.RegExpRouter();

a very simple route:

r.match('/:controller/:action/:id');

optional groups are contained in (parens)

r.match('/:controller/:action/:id(.:format)');

when either the controller or action aren’t present in the URL, you can map them in the to() method

r.match('/:controller/:id').to({action:'show'});

you can specify the HTTP method to match, otherwise it will assume any method will do:

r.match('/:controller/:id', 'GET').to({action:'show'});

you can force keys to match a specific pattern by passing a hash of {key: pattern} pairs to the where() method

r.match('/:controller/:action/:id(.:format)', 'GET').where({id: /\d+/ });

Generating Resources

r.resource('SnowDogs');

is equivalent to the following:

r.match('/snow_dogs(.:format)','GET').to({controller: 'SnowDogs', action: 'index'});
r.match('/snow_dogs/add(.:format)','GET').to({controller: 'SnowDogs', action: 'add'});
r.match('/snow_dogs/:id(.:format)','GET').to({controller: 'SnowDogs', action: 'show'});
r.match('/snow_dogs/:id/edit(.:format)','GET').to({controller: 'SnowDogs', action: 'edit'});
r.match('/snow_dogs(.:format)','POST').to({controller: 'SnowDogs', action: 'create'});
r.match('/snow_dogs/:id(.:format)','PUT').to({controller: 'SnowDogs', action: 'update'});
r.match('/snow_dogs/:id(.:format)','DELETE').to({controller: 'SnowDogs', action: 'remove'});

Generating URLs

this will probably be mixed in to the controller as a local method

you pass a params hash

r.url({controller:'SnowDogs', action: 'show', id: 5});  // =>  '/snow_dogs/5'

optional segments are included only if all the inside params are accounted for

r.url({controller:'SnowDogs', action: 'show', id: 5, format: 'json'}); 
// =>  '/snow_dogs/5.json'

if you fail to specify a controller or action, the defaults “Application” and “index” will be used, respectively.

Extra Params

extra params that aren’t folded into the route will be appended to the query string

r.url({controller:'SnowDogs', action: 'show', id: 5, geddy: 'awesome'});
// =>  '/snow_dogs/5?geddy=awesome'

similarly, any QS params that are parsed with a request will simply be added to the params hash

Internal Stuff

only important if you’re hacking on Geddy

finding the first route that matches a request URI / method

r.first('/snow_dogs/5', 'GET');
// => {controller:'SnowDogs', action: 'show', id: 5}

QS params are to be passed in with the path:

r.first('/snow_dogs/5?danke=schoen&high=5', 'GET');
// => {controller:'SnowDogs', action: 'show', id: 5, danke: 'schoen', high: 5}

Caveats

optional groups CANNOT currently be nested – this will likely freak it right out

by default, all keys in a route are subjected to the regex match /[\w\-]+/

EXCEPT controller & action, which have the limitation that they may not begin with a numeric digit: /[a-zA-Z\-\_][\w\-]+/

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