get matched route from context

context.go

@@ -43,6 +43,7 @@ type Context struct {
 	Request   *http.Request
 	Writer    ResponseWriter
 
+	Route    string
 	Params   Params
 	handlers HandlersChain
 	index    int8
@@ -65,6 +66,7 @@ type Context struct {
 
 func (c *Context) reset() {
 	c.Writer = &c.writermem
+	c.Route = ""
 	c.Params = c.Params[0:0]
 	c.handlers = nil
 	c.index = -1

gin.go

@@ -356,10 +356,11 @@ func (engine *Engine) handleHTTPRequest(c *Context) {
 		}
 		root := t[i].root
 		// Find route in tree
-		handlers, params, tsr := root.getValue(path, c.Params, unescape)
+		handlers, params, route, tsr := root.getValue(path, c.Params, unescape)
 		if handlers != nil {
 			c.handlers = handlers
 			c.Params = params
+			c.Route = route
 			c.Next()
 			c.writermem.WriteHeaderNow()
 			return
@@ -381,7 +382,7 @@ func (engine *Engine) handleHTTPRequest(c *Context) {
 			if tree.method == httpMethod {
 				continue
 			}
-			if handlers, _, _ := tree.root.getValue(path, nil, unescape); handlers != nil {
+			if handlers, _, _, _ := tree.root.getValue(path, nil, unescape); handlers != nil {
 				c.handlers = engine.allNoMethod
 				serveError(c, http.StatusMethodNotAllowed, default405Body)
 				return

tree.go

@@ -362,12 +362,13 @@ func (n *node) insertChild(numParams uint8, path string, fullPath string, handle
 // If no handle can be found, a TSR (trailing slash redirect) recommendation is
 // made if a handle exists with an extra (without the) trailing slash for the
 // given path.
-func (n *node) getValue(path string, po Params, unescape bool) (handlers HandlersChain, p Params, tsr bool) {
+func (n *node) getValue(path string, po Params, unescape bool) (handlers HandlersChain, p Params, route string, tsr bool) {
 	p = po
 walk: // Outer loop for walking the tree
 	for {
 		if len(path) > len(n.path) {
 			if path[:len(n.path)] == n.path {
+				route += n.path
 				path = path[len(n.path):]
 				// If this node does not have a wildcard (param or catchAll)
 				// child,  we can just look up the next child node and continue
@@ -418,6 +419,7 @@ walk: // Outer loop for walking the tree
 					// we need to go deeper!
 					if end < len(path) {
 						if len(n.children) > 0 {
+							route += n.path
 							path = path[end:]
 							n = n.children[0]
 							continue walk
@@ -429,6 +431,7 @@ walk: // Outer loop for walking the tree
 					}
 
 					if handlers = n.handlers; handlers != nil {
+						route += n.path
 						return
 					}
 					if len(n.children) == 1 {
@@ -457,6 +460,7 @@ walk: // Outer loop for walking the tree
 						p[i].Value = path
 					}
 
+					route += n.path
 					handlers = n.handlers
 					return
 
@@ -468,6 +472,7 @@ walk: // Outer loop for walking the tree
 			// We should have reached the node containing the handle.
 			// Check if this node has a handle registered.
 			if handlers = n.handlers; handlers != nil {
+				route += n.path
 				return
 			}
 

tree_test.go

@@ -33,7 +33,7 @@ func checkRequests(t *testing.T, tree *node, requests testRequests, unescapes ..
 	}
 
 	for _, request := range requests {
-		handler, ps, _ := tree.getValue(request.path, nil, unescape)
+		handler, ps, route, _ := tree.getValue(request.path, nil, unescape)
 
 		if handler == nil {
 			if !request.nilHandler {
@@ -46,6 +46,9 @@ func checkRequests(t *testing.T, tree *node, requests testRequests, unescapes ..
 			if fakeHandlerValue != request.route {
 				t.Errorf("handle mismatch for route '%s': Wrong handle (%s != %s)", request.path, fakeHandlerValue, request.route)
 			}
+			if route != request.route {
+				t.Errorf("handle mismatch for route '%s': Wrong route (%s != %s)", request.path, route, request.route)
+			}
 		}
 
 		if !reflect.DeepEqual(ps, request.ps) {
@@ -452,7 +455,7 @@ func TestTreeTrailingSlashRedirect(t *testing.T) {
 		"/doc/",
 	}
 	for _, route := range tsrRoutes {
-		handler, _, tsr := tree.getValue(route, nil, false)
+		handler, _, _, tsr := tree.getValue(route, nil, false)
 		if handler != nil {
 			t.Fatalf("non-nil handler for TSR route '%s", route)
 		} else if !tsr {
@@ -469,7 +472,7 @@ func TestTreeTrailingSlashRedirect(t *testing.T) {
 		"/api/world/abc",
 	}
 	for _, route := range noTsrRoutes {
-		handler, _, tsr := tree.getValue(route, nil, false)
+		handler, _, _, tsr := tree.getValue(route, nil, false)
 		if handler != nil {
 			t.Fatalf("non-nil handler for No-TSR route '%s", route)
 		} else if tsr {
@@ -488,7 +491,7 @@ func TestTreeRootTrailingSlashRedirect(t *testing.T) {
 		t.Fatalf("panic inserting test route: %v", recv)
 	}
 
-	handler, _, tsr := tree.getValue("/", nil, false)
+	handler, _, _, tsr := tree.getValue("/", nil, false)
 	if handler != nil {
 		t.Fatalf("non-nil handler")
 	} else if tsr {