pkg/text/tabwriter/manual.go

// Copyright 2018 The CUE Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package tabwriter

import (
	"bytes"
	"text/tabwriter"

	"cuelang.org/go/cue"
)

// Write formats text in columns. See golang.org/pkg/text/tabwriter for more
// info.
func Write(data cue.Value) (string, error) {
	buf := &bytes.Buffer{}
	tw := tabwriter.NewWriter(buf, 0, 4, 1, ' ', 0)
	b, err := data.Bytes()
	if err != nil {
		return "", err
	}
	_, err = tw.Write(b)
	if err != nil {
		return "", err
	}
	return buf.String(), err
}