DownloadDromeo
A Simple and Flexible Pattern Routing Framework for PHP, JavaScript, Python
Version: 1.2.0
Etymology of "dromos" (path)
Etymology pf "path"
Dromeo.js
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Examples:
see /test folder
Route Patterns:
// Examples:
//
// match literal route
'http://abc.org/'
// match route and capture the last numeric part into 'id' param
'http://abc.org/{%NUMBR%:id}'
// same as previous, numeric 'id' part is optional
'http://abc.org/{%NUMBR%:?id}'
// numeric part is optional but not captured (no param name given)
'http://abc.org/{%NUMBR%:?}'
// numeric part is required but not captured (no param name given)
'http://abc.org/{%NUMBR%:}'
// part is required and captured as 'name', pattern is assumed %PART%=[^/]+ (capture everything between slashes)
'http://abc.org/{:name}'
// optional captured 'id' part is now the numeric pattern plus the leading '/'
'http://abc.org{/%NUMBR%:?id}'
// optional captured 'id' part is only the numeric pattern without the leading '/', i.e group 1
'http://abc.org{/%NUMBR%:?id(1)}'
/etc../
Methods:
-
`Dromeo` is also a `XPCOM JavaScript Component` (Firefox) (e.g to be used in firefox browser addons/plugins)
// -- instance methods --
// --------------------------------------------------------
// optional route_prefix to be used in case all routes have a common prefix
// so can define routes using only the part that differs (easier/shorter code)
var router = new Dromeo(prefix='');
// set/define delimiters used in route-patterns, see examples
router.defineDelimiters(['{', '}', '%', '%', ':']);
// define a (new) sub-pattern identified with className
// sub-patterns are used in route-patterns,
// e.g "http://abc.org/{%ALNUM%:user}", "ALNUM" is an alpha-numeric sub-pattern, i.e "[a-zA-Z0-9\\-_]+"
// default sub-patterns:
// ALPHA => "[a-zA-Z\\-_]+" alphabetic only
// NUMBR => "[0-9]+" numeric only
// INT => "[0-9]+" integer with associated optional typecaster
// ALNUM => "[a-zA-Z0-9\\-_]+" alpha-numeric only
// QUERY => "\\?[^?#]+" query part with leading '?'
// FRAGMENT =>"#[^?#]+" hash/fragment part with leading '#'
// PART => "[^\\/?#]+" arbitrary path part (between /../)
// ALL => ".+" arbitrary sequence
router.definePattern(className, subPattern [, typecaster = null]);
// unset/remove the sub-pattern "clasName"
router.dropPattern(className);
// define a custom type, to be used as (optional) typecaster for matching parts
router.defineType(type, typecaster);
// reset/remove routes and fallback handler
router.reset();
// create a URI from named_route pattern with given parameter values
// named routes are created by adding a name property when defining a route
// NOTE: will throw error if parameter is missing and is required (not optional) in the route pattern
// if strict is set to true will also try to match the parameter value based on route pattern type, eg numeric/alphanumeric etc.. and will throw error if pattern test failed
router.make(named_route [, params = Object()[, strict = false]]);
// example
router.on({
route: '/{:user}/{:id}',
name: 'my_route',
handler: function(){/../}
});
console.log(router.make('my_route', {user:'foo',id:'123'}));
// prints "/foo/123"
// set/unset fallback handler
router.fallback([handlerFunc | false | null]);
// set a handler for routePattern, with optional defaults object (oneOff if "one" used)
router.on|one;
// route object configuration
//
//{
// route: '..', // the route pattern matched, needed
// name: '..', // create a named route to be referenced at will, for example in order to create URLs matching the route pattern with given parameters
// method: 'post', // the method (case-insensitive), default is '*', i.e any, can use array of methods as well, i.e ['get','post']
// handler: function(params){/../}, // the route handler to be called, needed
// defaults: {/../}, // any default and/or extra parameters to be used, if missing, and passed to handler, default is {}
// types: {/../} // optional typecasters for specific matches, i.e INTEGER, STRING, ARRAY, PARAMS or custom, default null
//}
//
// this also works:
router.on|one{/../});
// set handler(s) for multiple routePattern(s) (oneOff if "one" used)
// using array of objects
router.[on|one]([
routeObj1,
routeObj2
/etc ../
]);
// using variable arguments
router.[on|one](
routeObj1,
routeObj2
/etc ../
);
// set a group of routes sharing common prefix
router.onGroup(prefix, function(subRouter){
subRouter.on(/../);
subRouter.onGroup(prefix2, function(subRouter2){/../}); // can be nested
// ..
});
// remove the routePattern (optionally if handlerFunc matches as well)
router.off(routePattern | routeObj [, handlerFunc = null]);
// redirect to given url (with optional statusCode and statusMsg)
// in Node, the response object from node.http should be passed as well
router.redirect(url, response [, statusCode=302, statusMsg=true]);
// parse and extract uri components and optional query/fragment params as objects (using RFC3986)
var components = router.parse(url [, query_p='query_params', fragment_p='fragment_params']);
// parse/unglue a uri component into a params object (using RFC3986)
var params = router.unglue(uriComponent);
// build (url-encoded) url from baseUrl and query and/or hash objects (using RFC3986)
var url = router.build(baseUrl, query=null, hash=null);
// build/glue together a uri component from a params object (using RFC3986)
var component = router.glue(params);
// match and route a given url
// (with optional method, only routes which match the method will be used),
// returns true if matched any routePattern else false
var matched = router.route(url, method="*", breakOnFirstMatch=true, originalUrl=null, originalKey=null);
TODO
-
add support for (http/request) method [DONE]
-
add support for extra passed defaults [DONE]
-
add support for (optional) type-casting of matched parameters [DONE]
-
add support for making string (URI) from route pattern with given parameters [DONE]
-
add support for extracting original matches if originalInput (if passed), eg with original case, is different than givenInput [DONE]
-
add support for subgroup of routes under common prefix (ie. `onGroup()`) [DONE]
-
add support for RFC 6570 URI Template specification (TODO?)
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