Add HTML no template string output support #197

context.go

@@ -351,6 +351,11 @@ func (c *Context) String(code int, format string, values ...interface{}) {
 	c.Render(code, render.Plain, format, values)
 }
 
+// Writes the given string into the response body and sets the Content-Type to "text/html" without template.
+func (c *Context) HTMLString(code int, format string, values ...interface{}) {
+	c.Render(code, render.HTMLPlain, format, values)
+}
+
 // Returns a HTTP redirect to the specific location.
 func (c *Context) Redirect(code int, location string) {
 	if code >= 300 && code <= 308 {

render/render.go

@@ -26,6 +26,9 @@ type (
 	// Plain text
 	plainRender struct{}
 
+	// HTML Plain text
+	htmlPlainRender struct{}
+
 	// Redirects
 	redirectRender struct{}
 
@@ -45,6 +48,7 @@ var (
 	JSON      = jsonRender{}
 	XML       = xmlRender{}
 	Plain     = plainRender{}
+	HTMLPlain = htmlPlainRender{}
 	Redirect  = redirectRender{}
 	HTMLDebug = &htmlDebugRender{}
 )
@@ -85,6 +89,19 @@ func (_ plainRender) Render(w http.ResponseWriter, code int, data ...interface{}
 	return err
 }
 
+func (_ htmlPlainRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
+	writeHeader(w, code, "text/html")
+	format := data[0].(string)
+	args := data[1].([]interface{})
+	var err error
+	if len(args) > 0 {
+		_, err = w.Write([]byte(fmt.Sprintf(format, args...)))
+	} else {
+		_, err = w.Write([]byte(format))
+	}
+	return err
+}
+
 func (r *htmlDebugRender) AddGlob(pattern string) {
 	r.globs = append(r.globs, pattern)
 }