mirror of https://github.com/gin-gonic/gin.git
50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
// Copyright 2014 Manu Martinez-Almeida. All rights reserved.
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// Use of this source code is governed by a MIT style
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// license that can be found in the LICENSE file.
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package render
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import "net/http"
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type Render interface {
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Render(http.ResponseWriter, int, ...interface{}) error
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}
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var (
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JSON Render = jsonRender{}
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IndentedJSON Render = indentedJSON{}
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XML Render = xmlRender{}
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HTMLPlain Render = htmlPlainRender{}
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Plain Render = plainTextRender{}
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Redirect Render = redirectRender{}
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Data Render = dataRender{}
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_ Render = HTMLRender{}
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_ Render = &HTMLDebugRender{}
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)
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func WriteHeader(w http.ResponseWriter, code int, contentType string) {
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contentType = joinStrings(contentType, "; charset=utf-8")
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w.Header().Set("Content-Type", contentType)
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w.WriteHeader(code)
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}
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func joinStrings(a ...string) string {
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if len(a) == 0 {
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return ""
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}
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if len(a) == 1 {
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return a[0]
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}
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n := 0
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for i := 0; i < len(a); i++ {
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n += len(a[i])
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}
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b := make([]byte, n)
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n = 0
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for _, s := range a {
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n += copy(b[n:], s)
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}
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return string(b)
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}
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