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package gojay
import (
"io"
"sync"
)
var decPool = sync.Pool{
New: newDecoderPool,
}
func init() {
for i := 0; i < 32; i++ {
decPool.Put(NewDecoder(nil))
}
}
// NewDecoder returns a new decoder.
// It takes an io.Reader implementation as data input.
func NewDecoder(r io.Reader) *Decoder {
return &Decoder{
called: 0,
cursor: 0,
keysDone: 0,
err: nil,
r: r,
data: make([]byte, 512),
length: 0,
isPooled: 0,
}
}
func newDecoderPool() interface{} {
return NewDecoder(nil)
}
// BorrowDecoder borrows a Decoder from the pool.
// It takes an io.Reader implementation as data input.
//
// In order to benefit from the pool, a borrowed decoder must be released after usage.
func BorrowDecoder(r io.Reader) *Decoder {
return borrowDecoder(r, 512)
}
func borrowDecoder(r io.Reader, bufSize int) *Decoder {
dec := decPool.Get().(*Decoder)
dec.called = 0
dec.keysDone = 0
dec.cursor = 0
dec.err = nil
dec.r = r
dec.length = 0
dec.isPooled = 0
if bufSize > 0 {
dec.data = make([]byte, bufSize)
}
return dec
}
// Release sends back a Decoder to the pool.
// If a decoder is used after calling Release
// a panic will be raised with an InvalidUsagePooledDecoderError error.
func (dec *Decoder) Release() {
dec.isPooled = 1
decPool.Put(dec)
}
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