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// Copyright 2020 New Relic Corporation. All rights reserved.
// SPDX-License-Identifier: Apache-2.0
package internal
import (
"bytes"
"github.com/newrelic/go-agent/internal/jsonx"
)
type jsonWriter interface {
WriteJSON(buf *bytes.Buffer)
}
type jsonFieldsWriter struct {
buf *bytes.Buffer
needsComma bool
}
func (w *jsonFieldsWriter) addKey(key string) {
if w.needsComma {
w.buf.WriteByte(',')
} else {
w.needsComma = true
}
// defensively assume that the key needs escaping:
jsonx.AppendString(w.buf, key)
w.buf.WriteByte(':')
}
func (w *jsonFieldsWriter) stringField(key string, val string) {
w.addKey(key)
jsonx.AppendString(w.buf, val)
}
func (w *jsonFieldsWriter) intField(key string, val int64) {
w.addKey(key)
jsonx.AppendInt(w.buf, val)
}
func (w *jsonFieldsWriter) floatField(key string, val float64) {
w.addKey(key)
jsonx.AppendFloat(w.buf, val)
}
func (w *jsonFieldsWriter) boolField(key string, val bool) {
w.addKey(key)
if val {
w.buf.WriteString("true")
} else {
w.buf.WriteString("false")
}
}
func (w *jsonFieldsWriter) rawField(key string, val JSONString) {
w.addKey(key)
w.buf.WriteString(string(val))
}
func (w *jsonFieldsWriter) writerField(key string, val jsonWriter) {
w.addKey(key)
val.WriteJSON(w.buf)
}
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