0031037: Foundation Classes - add class Message_PrinterSystemLog for printing message...
[occt.git] / src / Message / Message_PrinterSystemLog.hxx
diff --git a/src/Message/Message_PrinterSystemLog.hxx b/src/Message/Message_PrinterSystemLog.hxx
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+// Copyright (c) 2019 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _Message_PrinterSystemLog_HeaderFile
+#define _Message_PrinterSystemLog_HeaderFile
+
+#include <Message_Printer.hxx>
+#include <TCollection_AsciiString.hxx>
+
+DEFINE_STANDARD_HANDLE(Message_PrinterSystemLog, Message_Printer)
+
+//! Implementation of a message printer associated with system log.
+//! Implemented for the following systems:
+//! - Windows, through ReportEventW().
+//! - Android, through __android_log_write().
+//! - UNIX/Linux, through syslog().
+class Message_PrinterSystemLog : public Message_Printer
+{
+  DEFINE_STANDARD_RTTIEXT(Message_PrinterSystemLog, Message_Printer)
+public:
+  
+  //! Main constructor.
+  Standard_EXPORT Message_PrinterSystemLog (const TCollection_AsciiString& theEventSourceName,
+                                            const Message_Gravity theTraceLevel = Message_Info);
+
+  //! Destructor.
+  Standard_EXPORT virtual ~Message_PrinterSystemLog();
+
+  //! Puts a message to the system log.
+  Standard_EXPORT virtual void Send (const Standard_CString theString,
+                                     const Message_Gravity theGravity,
+                                     const Standard_Boolean theToPutEndl) const Standard_OVERRIDE;
+  
+  //! Puts a message to the system log.
+  Standard_EXPORT virtual void Send (const TCollection_AsciiString& theString,
+                                     const Message_Gravity theGravity,
+                                     const Standard_Boolean theToPutEndl) const Standard_OVERRIDE;
+  
+  //! Puts a message to the system log.
+  Standard_EXPORT virtual void Send (const TCollection_ExtendedString& theString,
+                                     const Message_Gravity theGravity,
+                                     const Standard_Boolean theToPutEndl) const Standard_OVERRIDE;
+
+private:
+
+  TCollection_AsciiString myEventSourceName;
+#ifdef _WIN32
+  Standard_Address myEventSource;
+#endif
+
+};
+
+#endif // _Message_PrinterSystemLog_HeaderFile