Update dependencies

vendor/github.com/gin-gonic/gin/render/render.go

@@ -4,120 +4,29 @@
 
 package render
 
-import (
-	"encoding/json"
-	"encoding/xml"
-	"fmt"
-	"html/template"
-	"net/http"
-)
+import "net/http"
 
-type (
-	Render interface {
-		Render(http.ResponseWriter, int, ...interface{}) error
-	}
-
-	// JSON binding
-	jsonRender struct{}
-
-	// XML binding
-	xmlRender struct{}
-
-	// Plain text
-	plainRender struct{}
-
-	// Redirects
-	redirectRender struct{}
-
-	// Redirects
-	htmlDebugRender struct {
-		files []string
-		globs []string
-	}
-
-	// form binding
-	HTMLRender struct {
-		Template *template.Template
-	}
-)
+type Render interface {
+	Render(http.ResponseWriter) error
+	WriteContentType(w http.ResponseWriter)
+}
 
 var (
-	JSON      = jsonRender{}
-	XML       = xmlRender{}
-	Plain     = plainRender{}
-	Redirect  = redirectRender{}
-	HTMLDebug = &htmlDebugRender{}
+	_ Render     = JSON{}
+	_ Render     = IndentedJSON{}
+	_ Render     = XML{}
+	_ Render     = String{}
+	_ Render     = Redirect{}
+	_ Render     = Data{}
+	_ Render     = HTML{}
+	_ HTMLRender = HTMLDebug{}
+	_ HTMLRender = HTMLProduction{}
+	_ Render     = YAML{}
 )
 
-func writeHeader(w http.ResponseWriter, code int, contentType string) {
-	w.Header().Set("Content-Type", contentType+"; charset=utf-8")
-	w.WriteHeader(code)
-}
-
-func (_ jsonRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	writeHeader(w, code, "application/json")
-	encoder := json.NewEncoder(w)
-	return encoder.Encode(data[0])
-}
-
-func (_ redirectRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	w.Header().Set("Location", data[0].(string))
-	w.WriteHeader(code)
-	return nil
-}
-
-func (_ xmlRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	writeHeader(w, code, "application/xml")
-	encoder := xml.NewEncoder(w)
-	return encoder.Encode(data[0])
-}
-
-func (_ plainRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	writeHeader(w, code, "text/plain")
-	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))
+func writeContentType(w http.ResponseWriter, value []string) {
+	header := w.Header()
+	if val := header["Content-Type"]; len(val) == 0 {
+		header["Content-Type"] = value
 	}
-	return err
-}
-
-func (r *htmlDebugRender) AddGlob(pattern string) {
-	r.globs = append(r.globs, pattern)
-}
-
-func (r *htmlDebugRender) AddFiles(files ...string) {
-	r.files = append(r.files, files...)
-}
-
-func (r *htmlDebugRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	writeHeader(w, code, "text/html")
-	file := data[0].(string)
-	obj := data[1]
-
-	t := template.New("")
-
-	if len(r.files) > 0 {
-		if _, err := t.ParseFiles(r.files...); err != nil {
-			return err
-		}
-	}
-
-	for _, glob := range r.globs {
-		if _, err := t.ParseGlob(glob); err != nil {
-			return err
-		}
-	}
-
-	return t.ExecuteTemplate(w, file, obj)
-}
-
-func (html HTMLRender) Render(w http.ResponseWriter, code int, data ...interface{}) error {
-	writeHeader(w, code, "text/html")
-	file := data[0].(string)
-	obj := data[1]
-	return html.Template.ExecuteTemplate(w, file, obj)
 }