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-rw-r--r--kdeprint/kpipeprocess.cpp60
1 files changed, 60 insertions, 0 deletions
diff --git a/kdeprint/kpipeprocess.cpp b/kdeprint/kpipeprocess.cpp
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+++ b/kdeprint/kpipeprocess.cpp
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+/*
+ * This file is part of the KDE libraries
+ * Copyright (c) 2001 Michael Goffioul <kdeprint@swing.be>
+ *
+ * This library 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 library 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 this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ **/
+
+#include "kpipeprocess.h"
+
+KPipeProcess::KPipeProcess(const QString& cmd, int mode)
+: QFile()
+{
+ m_pipe = NULL;
+ if (!cmd.isEmpty())
+ open(cmd,mode);
+}
+
+KPipeProcess::~KPipeProcess()
+{
+ close();
+}
+
+bool KPipeProcess::open(const QString& cmd, int mode)
+{
+ // close first if needed
+ close();
+ // check supported modes
+ if (mode != IO_ReadOnly && mode != IO_WriteOnly)
+ return false;
+
+ // create the pipe
+ m_pipe = popen(cmd.latin1(),(mode == IO_WriteOnly ? "w" : "r"));
+ if (m_pipe)
+ if (!QFile::open(mode,m_pipe))
+ close();
+ return (m_pipe != NULL);
+}
+
+void KPipeProcess::close()
+{
+ if (m_pipe != NULL)
+ {
+ QFile::close();
+ /* pipe must be close to be sure the process is terminated */
+ pclose( m_pipe );
+ m_pipe = NULL;
+ }
+}