dataengines: remove an unused header

It was imported from libksysguard, but I don't know why.

https://phabricator.kde.org/D26499Signed-off-by: Miklós Máté <mtmkls@gmail.com>

dataengines/systemmonitor/sensorclient.h

-/*
-    KSysGuard, the KDE System Guard
-
-    Copyright (c) 1999, 2000 Chris Schlaeger <cs@kde.org>
-    Copyright (c) 2006 John Tapsell <tapsell@kde.org>
-
-    This program is free software; you can redistribute it and/or
-    modify it under the terms of version 2 of the GNU General Public
-    License 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-*/
-
-#ifndef KSG_SENSORCLIENT_H
-#define KSG_SENSORCLIENT_H
-
-#include <QByteArray>
-#include <QList>
-#include <QString>
-
-namespace KSGRD {
-
-/**
-  Every object that should act as a client to a sensor must inherit from
-  this class. A pointer to the client object is passed as SensorClient*
-  to the SensorAgent. When the requested information is available or a
-  problem occurred one of the member functions is called.
- */
-class SensorClient
-{
-  public:
-    explicit SensorClient() { }
-    virtual ~SensorClient() { }
-
-    /**
-      This function is called whenever the information from the sensor has
-      been received by the sensor agent. This function must be reimplemented
-      by the sensor client to receive and process this information.
-     */
-    virtual void answerReceived( const QString &, const QList<QByteArray>& ) { }
-
-    /**
-      In case of an unexpected fatal problem with the sensor the sensor
-      agent will call this function to notify the client about it.
-     */
-    virtual void sensorLost( const QString &) { }
-};
-
-/**
-  The following classes are utility classes that provide a
-  convenient way to retrieve pieces of information from the sensor
-  answers. For each type of answer there is a separate class.
- */
-class SensorTokenizer
-{
-  public:
-    SensorTokenizer( const QByteArray &info, char separator )
-    {
-      if ( separator == '/' ) {
-        //This is a special case where we assume that info is a '\' escaped string
-
-        int i=0;
-        int lastTokenAt = -1;
-
-        for( ; i < info.length(); ++i ) {
-          if( info[i] == '\\' ) {
-            ++i;
-          }
-          else if ( info[i] == separator ) {
-            m_tokens.append( unEscapeString( info.mid( lastTokenAt + 1, i - lastTokenAt - 1 ) ) );
-            lastTokenAt = i;
-          }
-        }
-
-        //Add everything after the last token
-        m_tokens.append( unEscapeString( info.mid( lastTokenAt + 1, i - lastTokenAt - 1 ) ) );
-      }
-      else {
-        m_tokens = info.split( separator );
-      }
-    }
-
-    ~SensorTokenizer() { }
-
-    const QByteArray& operator[]( unsigned idx )
-    {
-      Q_ASSERT(idx < (unsigned)(m_tokens.count()));
-      return m_tokens[ idx ];
-    }
-
-    uint count()
-    {
-      return m_tokens.count();
-    }
-
-  private:
-    QList<QByteArray> m_tokens;
-
-    QByteArray unEscapeString( QByteArray string ) {
-
-      int i=0;
-      for( ; i < string.length(); ++i ) {
-        if( string[i] == '\\' ) {
-          string.remove( i, 1 );
-          ++i;
-        }
-      }
-
-      return string;
-    }
-};
-
-/**
-  An integer info contains 4 fields separated by TABS, a description
-  (name), the minimum and the maximum values and the unit.
-  e.g. Swap Memory	0	133885952	KB
- */
-class SensorIntegerInfo : public SensorTokenizer
-{
-  public:
-    explicit SensorIntegerInfo( const QByteArray &info )
-      : SensorTokenizer( info, '\t' ) { }
-
-    ~SensorIntegerInfo() { }
-
-    QString name()
-    {
-      return QString::fromUtf8((*this)[ 0 ]);
-    }
-
-    long min()
-    {
-      return (*this)[ 1 ].toLong();
-    }
-
-    long max()
-    {
-      return (*this)[ 2 ].toLong();
-    }
-
-    QString unit()
-    {
-      return QString::fromUtf8((*this)[ 3 ]);
-    }
-};
-
-/**
-  An float info contains 4 fields separated by TABS, a description
-  (name), the minimum and the maximum values and the unit.
-  e.g. CPU Voltage 0.0	5.0	V
- */
-class SensorFloatInfo : public SensorTokenizer
-{
-  public:
-    explicit SensorFloatInfo( const QByteArray &info )
-      : SensorTokenizer( info, '\t' ) { }
-
-    ~SensorFloatInfo() { }
-
-    QString name()
-    {
-      return QString::fromUtf8((*this)[ 0 ]);
-    }
-
-    double min()
-    {
-      return (*this)[ 1 ].toDouble();
-    }
-
-    double max()
-    {
-      return (*this)[ 2 ].toDouble();
-    }
-
-    QString unit()
-    {
-      return QString::fromUtf8((*this)[ 3 ]);
-    }
-};
-
-
-}
-
-#endif