A vdl encoder that prints debug messages (doesn't wrap)

debugging_vdl_encoder.go

package vdl

import (
	"fmt"
	"os"
	"strings"
)

func encoderDebugMsg(method string, depth int, args ...interface{}) {
	argStrs := make([]string, len(args))
	for i := range args {
		argStrs[i] = fmt.Sprintf("%v", args[i])
	}
	fmt.Fprintf(os.Stderr, "%s %s(%s)\n", strings.Repeat("\t", depth), method, strings.Join(argStrs, ", "))
}

type DebuggingEncoder struct {
	depth int
}

func (t *DebuggingEncoder) msg(method string, args ...interface{}) {
	encoderDebugMsg(method, t.depth, args...)
}
func (t *DebuggingEncoder) EncodeBool(src bool) error {
	t.msg("EncodeBool", src)
	return nil
}
func (t *DebuggingEncoder) EncodeUint(src uint64) error {
	t.msg("EncodeUint", src)
	return nil
}
func (t *DebuggingEncoder) EncodeInt(src int64) error {
	t.msg("EncodeInt", src)
	return nil
}
func (t *DebuggingEncoder) EncodeFloat(src float64) error {
	t.msg("EncodeFloat", src)
	return nil
}
func (t *DebuggingEncoder) EncodeComplex(src complex128) error {
	t.msg("EncodeComplex", src)
	return nil
}
func (t *DebuggingEncoder) EncodeBytes(src []byte) error {
	t.msg("EncodeBytes", src)
	return nil
}
func (t *DebuggingEncoder) EncodeString(src string) error {
	t.msg("EncodeString", src)
	return nil
}
func (t *DebuggingEncoder) EncodeTypeObject(tt *Type) error {
	t.msg("EncodeTypeObject", tt)
	return nil
}
func (t *DebuggingEncoder) StartValue(tt *Type) error {
	t.msg("StartValue", tt)
	return nil
}
func (t *DebuggingEncoder) FinishValue() error {
	t.msg("FinishValue")
	return nil
}
func (t *DebuggingEncoder) NilValue(tt *Type) error {
	t.msg("NilValue", tt)
	return nil
}
func (t *DebuggingEncoder) NextEntry(done bool) error {
	t.msg("NextEntry")
	return nil
}
func (t *DebuggingEncoder) NextField(name string) error {
	t.msg("NextField", name)
	return nil
}
func (t *DebuggingEncoder) SetLenHint(lenHint int) error {
	t.msg("SetLenHint", lenHint)
	return nil
}
func (t *DebuggingEncoder) SetNextStartValueIsOptional() {
	t.msg("SetNextStartValueIsOptional")
}