2024-04-29 Fred Gleason <fredg@paravelsystems.com>

* Fixed a race condition in the PAD XML feed that could cause corrupt
	updates.

Signed-off-by: Fred Gleason <fredg@paravelsystems.com>

lib/rdjsonframer.h

@@ -0,0 +1,58 @@
+//   rdjsonframer.h
+//
+//   Frame an unsynchronized stream of JSON messages
+//
+//   (C) Copyright 2024 Fred Gleason <fredg@paravelsystems.com>
+//
+//   This program is free software; you can redistribute it and/or modify
+//   it under the terms of the GNU Library General Public License 
+//   version 2 as published by the Free Software Foundation.
+//
+//   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, write to the Free Software
+//   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#ifndef RDJSONFRAMER_H
+#define RDJSONFRAMER_H
+
+#include <QByteArray>
+#include <QObject>
+#include <QTcpSocket>
+
+class RDJsonFramer : public QObject
+{
+  Q_OBJECT
+ public:
+  RDJsonFramer(QTcpSocket *in_sock,QObject *parent);
+  RDJsonFramer(QObject *parent);
+  ~RDJsonFramer();
+  QByteArray currentDocument() const;
+  
+ public slots:
+  void write(const QByteArray &data);
+  void reset();
+
+ signals:
+  void documentReceived(const QByteArray &jdoc);
+  void documentReset();
+
+ private slots:
+  void readyReadData();
+
+ private:
+  QByteArray d_data;
+  bool d_escaped;
+  bool d_quoted;
+  int d_level;
+  QByteArray d_current_document;
+  QTcpSocket *d_socket;
+};
+
+
+#endif  // RDJSONFRAMER_H