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// recfile -- GNU recutils'es recfiles parser on pure Go
// Copyright (C) 2020-2024 Sergey Matveev <stargrave@stargrave.org>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 3 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package recfile
import (
"io"
"strings"
)
type Writer struct {
w io.StringWriter
}
func NewWriter(w io.StringWriter) *Writer { return &Writer{w} }
func (w *Writer) RecordStart() (written int, err error) { return w.w.WriteString("\n") }
func backslashSpace(s string) string {
if strings.HasSuffix(s, "\\") {
return s + " "
}
return s
}
func (w *Writer) WriteFields(fs ...Field) (written int, err error) {
var n int
for _, f := range fs {
n, err = w.w.WriteString(
f.Name + ": " + backslashSpace(strings.TrimLeft(f.Value, " ")) + "\n",
)
written += n
if err != nil {
return
}
}
return
}
func (w *Writer) WriteFieldMultiline(name string, lines []string) (written int, err error) {
var n int
n, err = w.w.WriteString(
name + ": " + backslashSpace(strings.TrimLeft(lines[0], " ")) + "\n",
)
written += n
if err != nil {
return
}
for _, l := range lines[1:] {
n, err = w.w.WriteString("+ " + backslashSpace(l) + "\n")
written += n
if err != nil {
return
}
}
return
}
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