From ff23e24063feb9e1628858fd32df37be557072a6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ingo=20Kl=C3=B6cker?= <dev@ingo-kloecker.de>
Date: Fri, 16 Oct 2020 11:53:31 +0200
Subject: Add Assuan transaction that forwards status lines to another object

* lang/cpp/src/Makefile.am: Add new files.
* lang/cpp/src/interfaces/statusconsumer.h,
lang/cpp/src/statusconsumerassuantransaction.cpp,
lang/cpp/src/statusconsumerassuantransaction.h: New.
* NEWS: Mention new API.
--

This Assuan transaction is useful for long running Assuan commands.
Classes implementing the StatusConsumer interface can process received
status lines while the Assuan command is still running.

GnuPG-bug-id: 5066
---
 lang/cpp/src/statusconsumerassuantransaction.h | 51 ++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 lang/cpp/src/statusconsumerassuantransaction.h

(limited to 'lang/cpp/src/statusconsumerassuantransaction.h')

diff --git a/lang/cpp/src/statusconsumerassuantransaction.h b/lang/cpp/src/statusconsumerassuantransaction.h
new file mode 100644
index 00000000..9501b0ee
--- /dev/null
+++ b/lang/cpp/src/statusconsumerassuantransaction.h
@@ -0,0 +1,51 @@
+/*
+  statusconsumerassuantransaction.h - Assuan transaction that forwards status lines to a consumer
+  Copyright (c) 2020 g10 Code GmbH
+  Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+  This file is part of GPGME++.
+
+  GPGME++ is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Library General Public
+  License as published by the Free Software Foundation; either
+  version 2 of the License, or (at your option) any later version.
+
+  GPGME++ 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 Library General Public License for more details.
+
+  You should have received a copy of the GNU Library General Public License
+  along with GPGME++; see the file COPYING.LIB.  If not, write to the
+  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+  Boston, MA 02110-1301, USA.
+*/
+
+#ifndef __GPGMEPP_STATUSCONSUMERASSUANTRANSACTION_H__
+#define __GPGMEPP_STATUSCONSUMERASSUANTRANSACTION_H__
+
+#include <interfaces/assuantransaction.h>
+
+namespace GpgME
+{
+
+class StatusConsumer;
+
+class GPGMEPP_EXPORT StatusConsumerAssuanTransaction: public AssuanTransaction
+{
+public:
+    explicit StatusConsumerAssuanTransaction(StatusConsumer *statusConsumer);
+    ~StatusConsumerAssuanTransaction();
+
+private:
+    Error data(const char *data, size_t datalen) override;
+    Data inquire(const char *name, const char *args, Error &err) override;
+    Error status(const char *status, const char *args) override;
+
+private:
+    StatusConsumer *m_consumer;
+};
+
+} // namespace GpgME
+
+#endif // __GPGMEPP_STATUSCONSUMERASSUANTRANSACTION_H__
-- 
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