forgejo/vendor/github.com/unrolled/render/buffer.go
Lunny Xiao 15a475b7db
Fix recovery middleware to render gitea style page. (#13857)
* Some changes to fix recovery

* Move Recovery to middlewares

* Remove trace code

* Fix lint

* add session middleware and remove dependent on macaron for sso

* Fix panic 500 page rendering

* Fix bugs

* Fix fmt

* Fix vendor

* recover unnecessary change

* Fix lint and addd some comments about the copied codes.

* Use util.StatDir instead of com.StatDir

Co-authored-by: 6543 <6543@obermui.de>
2021-01-05 21:05:40 +08:00

46 lines
1.1 KiB
Go
Vendored

package render
import "bytes"
// bufPool represents a reusable buffer pool for executing templates into.
var bufPool *BufferPool
// BufferPool implements a pool of bytes.Buffers in the form of a bounded channel.
// Pulled from the github.com/oxtoacart/bpool package (Apache licensed).
type BufferPool struct {
c chan *bytes.Buffer
}
// NewBufferPool creates a new BufferPool bounded to the given size.
func NewBufferPool(size int) (bp *BufferPool) {
return &BufferPool{
c: make(chan *bytes.Buffer, size),
}
}
// Get gets a Buffer from the BufferPool, or creates a new one if none are
// available in the pool.
func (bp *BufferPool) Get() (b *bytes.Buffer) {
select {
case b = <-bp.c:
// reuse existing buffer
default:
// create new buffer
b = bytes.NewBuffer([]byte{})
}
return
}
// Put returns the given Buffer to the BufferPool.
func (bp *BufferPool) Put(b *bytes.Buffer) {
b.Reset()
select {
case bp.c <- b:
default: // Discard the buffer if the pool is full.
}
}
// Initialize buffer pool for writing templates into.
func init() {
bufPool = NewBufferPool(64)
}