protobuf.go — gin Source File

Architecture documentation for protobuf.go, a go file in the gin codebase. 1 imports, 0 dependents.

File go 1 imports

Entity Profile

Dependency Diagram

graph LR
  6da5a1b9_a252_0330_5ba8_989b2c95070d["protobuf.go"]
  285f3da5_b453_bac8_eb53_efea9feb6bb9["errors"]
  6da5a1b9_a252_0330_5ba8_989b2c95070d --> 285f3da5_b453_bac8_eb53_efea9feb6bb9
  style 6da5a1b9_a252_0330_5ba8_989b2c95070d fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

// 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 binding

import (
	"errors"
	"io"
	"net/http"

	"google.golang.org/protobuf/proto"
)

type protobufBinding struct{}

func (protobufBinding) Name() string {
	return "protobuf"
}

func (b protobufBinding) Bind(req *http.Request, obj any) error {
	buf, err := io.ReadAll(req.Body)
	if err != nil {
		return err
	}
	return b.BindBody(buf, obj)
}

func (protobufBinding) BindBody(body []byte, obj any) error {
	msg, ok := obj.(proto.Message)
	if !ok {
		return errors.New("obj is not ProtoMessage")
	}
	if err := proto.Unmarshal(body, msg); err != nil {
		return err
	}
	// Here it's same to return validate(obj), but until now we can't add
	// `binding:""` to the struct which automatically generate by gen-proto
	return nil
	// return validate(obj)
}