/
text.go
94 lines (81 loc) · 1.91 KB
/
text.go
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// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Original source: github.com/micro/go-micro/v3/codec/text/text.go
// Package text reads any text/* content-type
package text
import (
"fmt"
"io"
"io/ioutil"
"github.com/micro/micro/v3/util/codec"
)
type Codec struct {
Conn io.ReadWriteCloser
}
// Frame gives us the ability to define raw data to send over the pipes
type Frame struct {
Data []byte
}
func (c *Codec) ReadHeader(m *codec.Message, t codec.MessageType) error {
return nil
}
func (c *Codec) ReadBody(b interface{}) error {
// read bytes
buf, err := ioutil.ReadAll(c.Conn)
if err != nil {
return err
}
switch v := b.(type) {
case *string:
*v = string(buf)
case *[]byte:
*v = buf
case *Frame:
v.Data = buf
default:
return fmt.Errorf("failed to read body: %v is not type of *[]byte", b)
}
return nil
}
func (c *Codec) Write(m *codec.Message, b interface{}) error {
var v []byte
switch ve := b.(type) {
case nil:
return nil
case *Frame:
v = ve.Data
case *[]byte:
v = *ve
case *string:
v = []byte(*ve)
case string:
v = []byte(ve)
case []byte:
v = ve
default:
return fmt.Errorf("failed to write: %v is not type of *[]byte or []byte", b)
}
_, err := c.Conn.Write(v)
return err
}
func (c *Codec) Close() error {
return c.Conn.Close()
}
func (c *Codec) String() string {
return "text"
}
func NewCodec(c io.ReadWriteCloser) codec.Codec {
return &Codec{
Conn: c,
}
}