Added Reader and String

Context.go

@@ -1,7 +1,9 @@
 package server
 
 import (
+	"io"
 	"net/http"
+	"unsafe"
 )
 
 // maxParams defines the maximum number of parameters per route.
@@ -11,6 +13,8 @@ const maxParams = 16
 type Context interface {
 	Bytes([]byte) error
 	Error(int, error) error
+	Reader(io.Reader) error
+	String(string) error
 }
 
 // context represents a request & response context.
@@ -43,6 +47,18 @@ func (ctx *context) Error(status int, err error) error {
 	return err
 }
 
+// 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)
+	return err
+}
+
+// String responds with the given string.
+func (ctx *context) String(body string) error {
+	slice := unsafe.Slice(unsafe.StringData(body), len(body))
+	return ctx.Bytes(slice)
+}
+
 // addParameter adds a new parameter to the context.
 func (ctx *context) addParameter(name string, value string) {
 	ctx.paramNames[ctx.paramCount] = name

Server_test.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"net/http"
 	"net/http/httptest"
+	"strings"
 	"testing"
 
 	"git.akyoto.dev/go/assert"
@@ -26,6 +27,14 @@ func TestRouter(t *testing.T) {
 		return ctx.Error(http.StatusUnauthorized, errors.New("Not logged in"))
 	})
 
+	s.Get("/reader", func(ctx server.Context) error {
+		return ctx.Reader(strings.NewReader("Hello"))
+	})
+
+	s.Get("/string", func(ctx server.Context) error {
+		return ctx.String("Hello")
+	})
+
 	tests := []struct {
 		URL    string
 		Status int
@@ -35,6 +44,8 @@ func TestRouter(t *testing.T) {
 		{URL: "/blog/post", Status: http.StatusOK, Body: "Hello"},
 		{URL: "/error", Status: http.StatusUnauthorized, Body: "Not logged in"},
 		{URL: "/not-found", Status: http.StatusNotFound, Body: http.StatusText(http.StatusNotFound)},
+		{URL: "/reader", Status: http.StatusOK, Body: "Hello"},
+		{URL: "/string", Status: http.StatusOK, Body: "Hello"},
 	}
 
 	for _, test := range tests {