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// Copyright (C) 2017, 2021 Luke Shumaker <lukeshu@lukeshu.com>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package libfastimport
import (
"strconv"
"github.com/pkg/errors"
)
type ezfiw struct {
fiw fiWriter
err error
}
func (e *ezfiw) WriteLine(a ...interface{}) {
if e.err == nil {
e.err = e.fiw.WriteLine(a...)
}
}
func (e *ezfiw) WriteData(data string) {
if e.err == nil {
e.err = e.fiw.WriteData(data)
}
}
func (e *ezfiw) WriteMark(idnum int) {
if e.err == nil {
e.err = e.fiw.WriteLine("mark", ":"+strconv.Itoa(idnum))
}
}
type ezfir struct {
fir fiReader
err error
}
var ezPanic = errors.New("everything is fine")
func (e *ezfir) Defer(err *error) {
if e.err != nil {
r := recover()
if r == nil {
panic("ezfir.err got set, but didn't panic")
}
if r != ezPanic {
panic(r)
}
*err = e.err
}
}
func (e *ezfir) Errcheck(err error) {
if err == nil {
return
}
e.err = err
panic(ezPanic)
}
func (e *ezfir) PeekLine() string {
line, err := e.fir.PeekLine()
e.Errcheck(err)
return line
}
func (e *ezfir) ReadLine() string {
line, err := e.fir.ReadLine()
e.Errcheck(err)
return line
}
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