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Diffstat (limited to 'vendor/github.com/gin-gonic/gin/render/html.go')
-rw-r--r-- | vendor/github.com/gin-gonic/gin/render/html.go | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/vendor/github.com/gin-gonic/gin/render/html.go b/vendor/github.com/gin-gonic/gin/render/html.go new file mode 100644 index 000000000..6696ece99 --- /dev/null +++ b/vendor/github.com/gin-gonic/gin/render/html.go @@ -0,0 +1,92 @@ +// 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" +) + +// Delims represents a set of Left and Right delimiters for HTML template rendering. +type Delims struct { + // Left delimiter, defaults to {{. + Left string + // Right delimiter, defaults to }}. + Right string +} + +// HTMLRender interface is to be implemented by HTMLProduction and HTMLDebug. +type HTMLRender interface { + // Instance returns an HTML instance. + Instance(string, interface{}) Render +} + +// HTMLProduction contains template reference and its delims. +type HTMLProduction struct { + Template *template.Template + Delims Delims +} + +// HTMLDebug contains template delims and pattern and function with file list. +type HTMLDebug struct { + Files []string + Glob string + Delims Delims + FuncMap template.FuncMap +} + +// HTML contains template reference and its name with given interface object. +type HTML struct { + Template *template.Template + Name string + Data interface{} +} + +var htmlContentType = []string{"text/html; charset=utf-8"} + +// Instance (HTMLProduction) returns an HTML instance which it realizes Render interface. +func (r HTMLProduction) Instance(name string, data interface{}) Render { + return HTML{ + Template: r.Template, + Name: name, + Data: data, + } +} + +// Instance (HTMLDebug) returns an HTML instance which it realizes Render interface. +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 r.Glob != "" { + 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") +} + +// Render (HTML) executes template and writes its result with custom ContentType for response. +func (r HTML) Render(w http.ResponseWriter) error { + r.WriteContentType(w) + + if r.Name == "" { + return r.Template.Execute(w, r.Data) + } + return r.Template.ExecuteTemplate(w, r.Name, r.Data) +} + +// WriteContentType (HTML) writes HTML ContentType. +func (r HTML) WriteContentType(w http.ResponseWriter) { + writeContentType(w, htmlContentType) +} |