extensions/source/logging/plaintextformatter.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <com/sun/star/logging/XLogFormatter.hpp>
  23 #include <com/sun/star/uno/XComponentContext.hpp>
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25
  26 #include <cppuhelper/implbase.hxx>
  27 #include <cppuhelper/supportsservice.hxx>
  28
  29 #include <rtl/ustrbuf.hxx>
  30 #include <osl/thread.h>
  31
  32 #include <stdio.h>
  33
  34 namespace logging
  35 {
  36     using ::com::sun::star::uno::XComponentContext;
  37     using ::com::sun::star::uno::Sequence;
  38     using ::com::sun::star::logging::LogRecord;
  39     using ::com::sun::star::uno::XInterface;
  40
  41     namespace {
  42
  43     class PlainTextFormatter : public cppu::WeakImplHelper<css::logging::XLogFormatter, css::lang::XServiceInfo>
  44     {
  45     public:
  46         PlainTextFormatter();
  47
  48     private:
  49         // XLogFormatter
  50         virtual OUString SAL_CALL getHead(  ) override;
  51         virtual OUString SAL_CALL format( const LogRecord& Record ) override;
  52         virtual OUString SAL_CALL getTail(  ) override;
  53
  54         // XServiceInfo
  55         virtual OUString SAL_CALL getImplementationName() override;
  56         virtual sal_Bool SAL_CALL supportsService( const OUString& _rServiceName ) override;
  57         virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
  58     };
  59
  60     }
  61
  62     PlainTextFormatter::PlainTextFormatter()
  63     {
  64     }
  65
  66     OUString SAL_CALL PlainTextFormatter::getHead(  )
  67     {
  68         return
  69             "  event no"                 // column 1: the event number
  70             " "
  71             "thread  "                   // column 2: the thread ID
  72             " "
  73             "date      "                 // column 3: date
  74             " "
  75             "time       "                // column 4: time
  76             " "
  77             "(class/method:) message"    // column 5: class/method/message
  78             "\n";
  79     }
  80
  81
  82     OUString SAL_CALL PlainTextFormatter::format( const LogRecord& _rRecord )
  83     {
  84         char buffer[ sizeof("-32768-65535-65535 65535:65535:65535.4294967295") ];
  85             // reserve enough space for hypothetical max length
  86         const int buffer_size = sizeof( buffer );
  87         int used = snprintf( buffer, buffer_size, "%10i", static_cast<int>(_rRecord.SequenceNumber) );
  88         if ( used >= buffer_size || used < 0 )
  89             buffer[ buffer_size - 1 ] = 0;
  90
  91         OUStringBuffer aLogEntry;
  92         aLogEntry.appendAscii( buffer );
  93         aLogEntry.append( " " );
  94
  95         OString sThreadID( OUStringToOString( _rRecord.ThreadID, osl_getThreadTextEncoding() ) );
  96         snprintf( buffer, buffer_size, "%8s", sThreadID.getStr() );
  97         aLogEntry.appendAscii( buffer );
  98         aLogEntry.append( " " );
  99
 100         snprintf( buffer, buffer_size, "%04" SAL_PRIdINT32 "-%02" SAL_PRIuUINT32 "-%02" SAL_PRIuUINT32 " %02" SAL_PRIuUINT32 ":%02" SAL_PRIuUINT32 ":%02" SAL_PRIuUINT32 ".%09" SAL_PRIuUINT32,
 101             static_cast<sal_Int32>(_rRecord.LogTime.Year), static_cast<sal_uInt32>(_rRecord.LogTime.Month), static_cast<sal_uInt32>(_rRecord.LogTime.Day),
 102             static_cast<sal_uInt32>(_rRecord.LogTime.Hours), static_cast<sal_uInt32>(_rRecord.LogTime.Minutes), static_cast<sal_uInt32>(_rRecord.LogTime.Seconds), _rRecord.LogTime.NanoSeconds );
 103         aLogEntry.appendAscii( buffer );
 104         aLogEntry.append( " " );
 105
 106         if ( !(_rRecord.SourceClassName.isEmpty() || _rRecord.SourceMethodName.isEmpty()) )
 107         {
 108             aLogEntry.append( _rRecord.SourceClassName + "::"
 109                 + _rRecord.SourceMethodName + ": " );
 110         }
 111
 112         aLogEntry.append( _rRecord.Message + "\n" );
 113
 114         return aLogEntry.makeStringAndClear();
 115     }
 116
 117
 118     OUString SAL_CALL PlainTextFormatter::getTail(  )
 119     {
 120         // no tail
 121         return OUString();
 122     }
 123
 124     sal_Bool SAL_CALL PlainTextFormatter::supportsService( const OUString& _rServiceName )
 125     {
 126         return cppu::supportsService(this, _rServiceName);
 127     }
 128
 129
 130     OUString SAL_CALL PlainTextFormatter::getImplementationName()
 131     {
 132         return "com.sun.star.comp.extensions.PlainTextFormatter";
 133     }
 134
 135     Sequence< OUString > SAL_CALL PlainTextFormatter::getSupportedServiceNames()
 136     {
 137         return { "com.sun.star.logging.PlainTextFormatter" };
 138     }
 139
 140 } // namespace logging
 141
 142 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
 143 com_sun_star_comp_extensions_PlainTextFormatter(
 144     css::uno::XComponentContext *,
 145     css::uno::Sequence<css::uno::Any> const &)
 146 {
 147     return cppu::acquire(new logging::PlainTextFormatter());
 148 }
 149
 150
 151 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */