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editor.go
55 lines (50 loc) · 1.41 KB
/
editor.go
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package facade
import (
"context"
"fmt"
"io"
"strings"
"github.com/goark/errs"
"github.com/goark/gocli/rwi"
"github.com/hymkor/go-multiline-ny"
)
func inputFromPipe(ui *rwi.RWI) (string, error) {
b, err := io.ReadAll(ui.Reader())
if err != nil {
return "", errs.Wrap(err)
}
return string(b), nil
}
func editMessage(ctx context.Context, w io.Writer) (string, error) {
var editor multiline.Editor
editor.SetPrompt(func(w io.Writer, lnum int) (int, error) {
return fmt.Fprintf(w, "%2d>", lnum+1)
})
fmt.Fprintln(w, "Input 'Ctrl+J' or 'Ctrl+Enter' to submit message")
fmt.Fprintln(w, "Input 'Ctrl+D' with no chars to stop")
lines, err := editor.Read(ctx)
if err != nil {
if errs.Is(err, io.EOF) {
return "", nil
}
return "", errs.Wrap(err)
}
if len(lines) == 0 {
return "", nil
}
return strings.Join(lines, "\n"), nil
}
/* Copyright 2023 Spiegel
*
* 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.
*/