hanayo/vendor/github.com/gin-gonic/gin/render/html.go
2019-02-23 13:29:15 +00:00

83 lines
1.7 KiB
Go

// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package render
import (
"html/template"
"net/http"
)
type (
Delims struct {
Left string
Right string
}
HTMLRender interface {
Instance(string, interface{}) Render
}
HTMLProduction struct {
Template *template.Template
Delims Delims
}
HTMLDebug struct {
Files []string
Glob string
Delims Delims
FuncMap template.FuncMap
}
HTML struct {
Template *template.Template
Name string
Data interface{}
}
)
var htmlContentType = []string{"text/html; charset=utf-8"}
func (r HTMLProduction) Instance(name string, data interface{}) Render {
return HTML{
Template: r.Template,
Name: name,
Data: data,
}
}
func (r HTMLDebug) Instance(name string, data interface{}) Render {
return HTML{
Template: r.loadTemplate(),
Name: name,
Data: data,
}
}
func (r HTMLDebug) loadTemplate() *template.Template {
if r.FuncMap == nil {
r.FuncMap = template.FuncMap{}
}
if len(r.Files) > 0 {
return template.Must(template.New("").Delims(r.Delims.Left, r.Delims.Right).Funcs(r.FuncMap).ParseFiles(r.Files...))
}
if len(r.Glob) > 0 {
return template.Must(template.New("").Delims(r.Delims.Left, r.Delims.Right).Funcs(r.FuncMap).ParseGlob(r.Glob))
}
panic("the HTML debug render was created without files or glob pattern")
}
func (r HTML) Render(w http.ResponseWriter) error {
r.WriteContentType(w)
if len(r.Name) == 0 {
return r.Template.Execute(w, r.Data)
}
return r.Template.ExecuteTemplate(w, r.Name, r.Data)
}
func (r HTML) WriteContentType(w http.ResponseWriter) {
writeContentType(w, htmlContentType)
}