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82 lines
2.0 KiB
82 lines
2.0 KiB
package output
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import (
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"context"
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"fmt"
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"io"
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"os"
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)
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type Verbosity int
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const (
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VerbosityQuiet Verbosity = iota - 1
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VerbosityNorm
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VerbosityInfo
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VerbosityDebug
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VerbosityTrace
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)
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func writeError(n int, err error) {
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fmt.Fprint(os.Stderr, err)
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}
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type Output func(ctx context.Context, verb Verbosity, msg string, args ...KeyValue) (int, error)
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func (o Output) Print(ctx context.Context, args ...interface{}) {
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writeError(o(ctx, VerbosityNorm, fmt.Sprint(args...)))
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}
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func (o Output) PrintKV(ctx context.Context, msg string, kv ...KeyValue) {
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writeError(o(ctx, VerbosityNorm, msg, kv...))
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}
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func (o Output) Printf(ctx context.Context, format string, args ...interface{}) {
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writeError(o(ctx, VerbosityNorm, fmt.Sprintf(format, args...)))
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}
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func (o Output) Println(ctx context.Context, args ...interface{}) {
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writeError(o(ctx, VerbosityNorm, fmt.Sprintln(args...)))
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}
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func (o Output) Info(ctx context.Context, args ...interface{}) {
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writeError(o(ctx, VerbosityInfo, fmt.Sprint(args...)))
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}
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func (o Output) InfoKV(ctx context.Context, msg string, kv ...KeyValue) {
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writeError(o(ctx, VerbosityInfo, msg, kv...))
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}
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func (o Output) Debug(ctx context.Context, args ...interface{}) {
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writeError(o(ctx, VerbosityDebug, fmt.Sprint(args...)))
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}
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func (o Output) DebugKV(ctx context.Context, msg string, kv ...KeyValue) {
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writeError(o(ctx, VerbosityDebug, msg, kv...))
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}
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func (o Output) Trace(ctx context.Context, args ...interface{}) {
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writeError(o(ctx, VerbosityTrace, fmt.Sprint(args...)))
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}
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func (o Output) TraceKV(ctx context.Context, msg string, kv ...KeyValue) {
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writeError(o(ctx, VerbosityTrace, msg, kv...))
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}
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func (o Output) Write(b []byte) (int, error) {
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return o(context.Background(), VerbosityNorm, string(b))
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}
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func (o Output) Writer(ctx context.Context, verb Verbosity) io.Writer {
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return verbosityWriter{ctx, o, verb}
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}
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type verbosityWriter struct {
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ctx context.Context
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out Output
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verb Verbosity
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}
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func (w verbosityWriter) Write(b []byte) (int, error) {
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return w.out(w.ctx, w.verb, string(b))
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}
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