mirror of
https://github.com/ProtonMail/proton-bridge.git
synced 2025-12-10 04:36:43 +00:00
73 lines
1.7 KiB
Go
73 lines
1.7 KiB
Go
// Copyright (c) 2020 Proton Technologies AG
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//
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// This file is part of ProtonMail Bridge.
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//
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// ProtonMail Bridge is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// ProtonMail Bridge is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
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package rfc5322
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import (
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"strconv"
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"time"
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"github.com/ProtonMail/proton-bridge/pkg/message/rfc5322/parser"
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"github.com/sirupsen/logrus"
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)
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type year struct {
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value int
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}
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func (w *walker) EnterYear(ctx *parser.YearContext) {
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logrus.WithField("text", ctx.GetText()).Trace("Entering year")
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var text string
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for _, digit := range ctx.AllDigit() {
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text += digit.GetText()
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}
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val, err := strconv.Atoi(text)
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if err != nil {
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w.err = err
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}
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// NOTE: 2-digit years are obsolete but let's just have some simple handling anyway.
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if len(text) == 2 {
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if val > time.Now().Year()%100 {
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val += 1900
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} else {
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val += 2000
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}
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}
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w.enter(&year{
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value: val,
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})
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}
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func (w *walker) ExitYear(ctx *parser.YearContext) {
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logrus.WithField("text", ctx.GetText()).Trace("Exiting year")
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type withYear interface {
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withYear(*year)
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}
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res := w.exit().(*year)
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if parent, ok := w.parent().(withYear); ok {
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parent.withYear(res)
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}
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}
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