include/messages.h

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/********************************************************************************
 *  Neural Network Framework.                                                   *
 *  Copyright (C) 2005-2008 Gianluca Massera <emmegian@yahoo.it>                *
 *                                                                              *
 *  This program is free software; you can redistribute it and/or modify        *
 *  it under the terms of the GNU General Public License as published by        *
 *  the Free Software Foundation; either version 2 of the License, or           *
 *  (at your option) any later version.                                         *
 *                                                                              *
 *  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 St, Fifth Floor, Boston, MA  02110-1301  USA  *
 ********************************************************************************/

// --- You can't include it directly
#ifndef TYPES_INCLUDES
#error "You can't include messages.h directly; Instead, You have to include types.h"
#endif

#ifndef MESSAGGES_H
#define MESSAGGES_H

namespace nnfw {

//--- This is for internal use; it encapsulate string-data
class nnfwStringPrivate;

class NNFW_API nnfwString {
public:
    nnfwString();
    ~nnfwString();
    nnfwString( const nnfwString& );
    nnfwString( int );
    nnfwString( unsigned int );
    nnfwString( double );
    nnfwString( float );
    nnfwString( char );
    nnfwString( const char* );

    nnfwString& append( const nnfwString& p );
    nnfwString& operator=( const nnfwString& left );
    bool operator==( const nnfwString& left );
    const char* toUtf8() const;
private:
    nnfwStringPrivate* prv;
};

class NNFW_API nMessage {
public:
    nMessage();
    ~nMessage() { /* nothing to do */ };
protected:
    //--- Helper class for printing messages
    class NNFW_API msgLine {
    public:
        msgLine( nMessage* parent );
        ~msgLine();
        msgLine& operator<<( const nnfwString& part ) {
            msg.append( part );
            return (*this);
        };
        void set( const nnfwString& str ) {
            msg = str;
        };
    private:
        nMessage* parent;
        nnfwString msg;
    };
    bool linePending;
    msgLine* pending;
};

class NNFW_API nWarning : public nMessage {
public:
    nMessage::msgLine operator<<( const nnfwString& part ) {
        nMessage::msgLine line(this);
        line.set( nnfwString("== WARNING: ").append(part) );
        return line;
    };
};

class NNFW_API nError : public nMessage {
public:
    nMessage::msgLine operator<<( const nnfwString& part ) {
        nMessage::msgLine line(this);
        line.set( nnfwString("== ERROR: ").append(part) );
        return line;
    };
};

class NNFW_API nFatal : public nMessage {
public:
    nMessage::msgLine operator<<( const nnfwString& part ) {
        nMessage::msgLine line(this);
        line.set( nnfwString("== FATAL: ").append(part) );
        return line;
    };
};

}

#endif

Copyright © 2005-2008 G. Massera

Contact: emmegian (at) yahoo (dot) it

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