Source file src/github.com/gin-gonic/gin/render/text.go

Documentation: github.com/gin-gonic/gin/render

     1  // Copyright 2014 Manu Martinez-Almeida. All rights reserved.
     2  // Use of this source code is governed by a MIT style
     3  // license that can be found in the LICENSE file.
     4  
     5  package render
     6  
     7  import (
     8  	"fmt"
     9  	"net/http"
    10  
    11  	"github.com/gin-gonic/gin/internal/bytesconv"
    12  )
    13  
    14  // String contains the given interface object slice and its format.
    15  type String struct {
    16  	Format string
    17  	Data   []any
    18  }
    19  
    20  var plainContentType = []string{"text/plain; charset=utf-8"}
    21  
    22  // Render (String) writes data with custom ContentType.
    23  func (r String) Render(w http.ResponseWriter) error {
    24  	return WriteString(w, r.Format, r.Data)
    25  }
    26  
    27  // WriteContentType (String) writes Plain ContentType.
    28  func (r String) WriteContentType(w http.ResponseWriter) {
    29  	writeContentType(w, plainContentType)
    30  }
    31  
    32  // WriteString writes data according to its format and write custom ContentType.
    33  func WriteString(w http.ResponseWriter, format string, data []any) (err error) {
    34  	writeContentType(w, plainContentType)
    35  	if len(data) > 0 {
    36  		_, err = fmt.Fprintf(w, format, data...)
    37  		return
    38  	}
    39  	_, err = w.Write(bytesconv.StringToBytes(format))
    40  	return
    41  }
    42  

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