Added parameter retrieval

Context.go

@@ -14,6 +14,7 @@ const maxParams = 16
 type Context interface {
 	Bytes([]byte) error
 	Error(status int, messages ...any) error
+	Get(param string) string
 	Reader(io.Reader) error
 	SetStatus(status int)
 	String(string) error
@@ -60,6 +61,17 @@ func (ctx *context) Error(status int, messages ...any) error {
 	return errors.Join(combined...)
 }
 
+// Get retrieves a parameter.
+func (ctx *context) Get(param string) string {
+	for i := 0; i < ctx.paramCount; i++ {
+		if ctx.paramNames[i] == param {
+			return ctx.paramValues[i]
+		}
+	}
+
+	return ""
+}
+
 // Reader sends the contents of the io.Reader without creating an in-memory copy.
 func (ctx *context) Reader(reader io.Reader) error {
 	_, err := io.Copy(ctx.response, reader)

Server_test.go

@@ -19,8 +19,8 @@ func TestRouter(t *testing.T) {
 		return ctx.Bytes([]byte("Hello"))
 	})
 
-	s.Get("/blog/:post", func(ctx server.Context) error {
+	s.Get("/string", func(ctx server.Context) error {
-		return ctx.Bytes([]byte("Hello"))
+		return ctx.String("Hello")
 	})
 
 	s.Get("/error", func(ctx server.Context) error {
@@ -35,8 +35,14 @@ func TestRouter(t *testing.T) {
 		return ctx.Reader(strings.NewReader("Hello"))
 	})
 
-	s.Get("/string", func(ctx server.Context) error {
+	s.Get("/blog/:article", func(ctx server.Context) error {
-		return ctx.String("Hello")
+		article := ctx.Get("article")
+		return ctx.String(article)
+	})
+
+	s.Get("/missing-parameter", func(ctx server.Context) error {
+		missing := ctx.Get("missing")
+		return ctx.String(missing)
 	})
 
 	s.Post("/", func(ctx server.Context) error {
@@ -58,12 +64,13 @@ func TestRouter(t *testing.T) {
 		Body   string
 	}{
 		{Method: "GET", URL: "/", Status: http.StatusOK, Body: "Hello"},
-		{Method: "GET", URL: "/blog/post", Status: http.StatusOK, Body: "Hello"},
 		{Method: "GET", URL: "/error", Status: http.StatusUnauthorized, Body: "Not logged in"},
 		{Method: "GET", URL: "/error2", Status: http.StatusUnauthorized, Body: "Not logged in\nMissing auth token"},
 		{Method: "GET", URL: "/not-found", Status: http.StatusNotFound, Body: http.StatusText(http.StatusNotFound)},
 		{Method: "GET", URL: "/reader", Status: http.StatusOK, Body: "Hello"},
 		{Method: "GET", URL: "/string", Status: http.StatusOK, Body: "Hello"},
+		{Method: "GET", URL: "/blog/testing-my-router", Status: http.StatusOK, Body: "testing-my-router"},
+		{Method: "GET", URL: "/missing-parameter", Status: http.StatusOK, Body: ""},
 		{Method: "POST", URL: "/", Status: http.StatusOK, Body: "Post"},
 		{Method: "DELETE", URL: "/", Status: http.StatusOK, Body: "Delete"},
 		{Method: "PUT", URL: "/", Status: http.StatusOK, Body: "Put"},