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//go:build !kvformat
// +build !kvformat
package kv
import (
"fmt"
"sync"
"codeberg.org/gruf/go-byteutil"
)
// bufPool is a memory pool of byte buffers.
var bufPool = sync.Pool{
New: func() interface{} {
return &byteutil.Buffer{B: make([]byte, 0, 512)}
},
}
// AppendFormat will append formatted format of Field to 'buf'. See .String() for details.
func (f Field) AppendFormat(buf *byteutil.Buffer, vbose bool) {
var fmtstr string
if vbose /* verbose */ {
fmtstr = `%#v`
} else /* regular */ {
fmtstr = `%+v`
}
AppendQuoteString(buf, f.K)
buf.WriteByte('=')
appendValuef(buf, fmtstr, f.V)
}
// Value returns the formatted value string of this Field.
func (f Field) Value(vbose bool) string {
var fmtstr string
if vbose /* verbose */ {
fmtstr = `%#v`
} else /* regular */ {
fmtstr = `%+v`
}
buf := byteutil.Buffer{B: make([]byte, 0, bufsize/2)}
appendValuef(&buf, fmtstr, f.V)
return buf.String()
}
// appendValuef appends a quoted value string (formatted by fmt.Appendf) to 'buf'.
func appendValuef(buf *byteutil.Buffer, format string, args ...interface{}) {
// Write format string to a byte buffer
fmtbuf := bufPool.Get().(*byteutil.Buffer)
fmtbuf.B = fmt.Appendf(fmtbuf.B, format, args...)
// Append quoted value to dst buffer
AppendQuoteValue(buf, fmtbuf.String())
// Drop overly large capacity buffers
if fmtbuf.Cap() > int(^uint16(0)) {
return
}
// Replace buffer in pool
fmtbuf.Reset()
bufPool.Put(fmtbuf)
}
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