Add double colon handling (support for paths with colons)

README.md

@@ -237,6 +237,9 @@ and the URL of the incoming request is /33/foo/bar,
 the second route will be matched because the first chunk (33) matches the static chunk.
 If the URL would have been /32/foo/bar, the first route would have been matched.
 
+> If you just want a path containing a colon without declaring a parameter, use a double colon.
+> For example, `/name::customVerb` will be interpreted as `/name:customVerb`
+
 <a name="supported-methods"></a>
 ##### Supported methods
 The router is able to route all HTTP methods defined by [`http` core module](https://nodejs.org/api/http.html#http_http_methods).

index.js

@@ -119,6 +119,13 @@ Router.prototype._on = function _on (method, path, opts, handler, store) {
     // search for parametric or wildcard routes
     // parametric route
     if (path.charCodeAt(i) === 58) {
+      if (i !== len - 1 && path.charCodeAt(i + 1) === 58) {
+        // It's a double colon. Let's just replace it with a single colon and go ahead
+        path = path.slice(0, i) + path.slice(i + 1)
+        len = path.length
+        continue
+      }
+
       var nodeType = NODE_TYPES.PARAM
       j = i + 1
       var staticPart = path.slice(0, i)

test/issue-175.test.js

@@ -0,0 +1,31 @@
+'use strict'
+
+const t = require('tap')
+const test = t.test
+const FindMyWay = require('..')
+
+test('double colon is replaced with single colon, no parameters', t => {
+  t.plan(1)
+  const findMyWay = FindMyWay({
+    defaultRoute: () => t.fail('should not be default route')
+  })
+
+  function handler (req, res, params) {
+    t.deepEqual(params, {})
+  }
+
+  findMyWay.on('GET', '/name::customVerb', handler)
+
+  findMyWay.lookup({ method: 'GET', url: '/name:customVerb' }, null)
+})
+
+test('exactly one match for static route with colon', t => {
+  t.plan(2)
+  const findMyWay = FindMyWay()
+
+  function handler () {}
+  findMyWay.on('GET', '/name::customVerb', handler)
+
+  t.equal(findMyWay.find('GET', '/name:customVerb').handler, handler)
+  t.equal(findMyWay.find('GET', '/name:test'), null)
+})