forked from golang/tools
/
printer.go
43 lines (38 loc) · 1016 Bytes
/
printer.go
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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package export
import (
"io"
"golang.org/x/tools/internal/event/core"
"golang.org/x/tools/internal/event/keys"
"golang.org/x/tools/internal/event/label"
)
type Printer struct {
buffer [128]byte
}
func (p *Printer) WriteEvent(w io.Writer, ev core.Event, lm label.Map) {
buf := p.buffer[:0]
if !ev.At().IsZero() {
w.Write(ev.At().AppendFormat(buf, "2006/01/02 15:04:05 "))
}
msg := keys.Msg.Get(lm)
io.WriteString(w, msg)
if err := keys.Err.Get(lm); err != nil {
if msg != "" {
io.WriteString(w, ": ")
}
io.WriteString(w, err.Error())
}
for index := 0; ev.Valid(index); index++ {
l := ev.Label(index)
if !l.Valid() || l.Key() == keys.Msg || l.Key() == keys.Err {
continue
}
io.WriteString(w, "\n\t")
io.WriteString(w, l.Key().Name())
io.WriteString(w, "=")
l.Key().Format(w, buf, l)
}
io.WriteString(w, "\n")
}