Source: kdebug.h

# Source: kdebug.h |
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    /* This file is part of the KDE libraries
        Copyright (C) 1997 Matthias Kalle Dalheimer (kalle@kde.org)

        This library is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.

        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., 59 Temple Place - Suite 330,
        Boston, MA 02111-1307, USA.
    */

    #ifndef _KDEBUG_H_
    #define _KDEBUG_H_ "$Id: kdebug.h,v 1.45 2000/07/13 06:33:23 garbanzo Exp $"

    #include <qstring.h>
    class QWidget;

    void kDebugFatal( const char* fmt, ... );
    void kDebugFatal( unsigned short area, const char* fmt, ... );

    class kdbgstream;
    class kndbgstream;
    typedef kdbgstream & (*KDBGFUNC)(kdbgstream &); // manipulator function
    typedef kndbgstream & (*KNDBGFUNC)(kndbgstream &); // manipulator function

    #ifdef __GNUC__
    #define k_funcinfo "[" << __PRETTY_FUNCTION__ << "] "
    #else
    #define k_funcinfo "[" << __FILE__ << ":" << __LINE__ << "] "
    #endif

    #define k_lineinfo "[" << __FILE__ << ":" << __LINE__ << "] "

    class kdbgstream {
     public:
        kdbgstream(unsigned int _area, unsigned int _level, bool _print = true) :
          area(_area), level(_level),  print(_print) { }
        kdbgstream(const char * initialString, unsigned int _area, unsigned int _level, bool _print = true) :
          output(QString::fromLatin1(initialString)), area(_area), level(_level),  print(_print) { }
        ~kdbgstream();
        kdbgstream &operator<<(bool i)  {
    	if (!print) return *this;
    	output += QString::fromLatin1(i ? "true" : "false");
    	return *this;
        }
        kdbgstream &operator<<(short i)  {
    	if (!print) return *this;
    	QString tmp; tmp.setNum(i); output += tmp;
    	return *this;
        }
        kdbgstream &operator<<(unsigned short i) {
            if (!print) return *this;
            QString tmp; tmp.setNum(i); output += tmp;
            return *this;
        }
        kdbgstream &operator<<(char i)  {
    	if (!print) return *this;
    	QString tmp; tmp.setNum(int(i)); output += tmp;
    	return *this;
        }
        kdbgstream &operator<<(unsigned char i) {
            if (!print) return *this;
            QString tmp; tmp.setNum(static_cast<unsigned int>(i)); output += tmp;
            return *this;
        }

        kdbgstream &operator<<(int i)  {
    	if (!print) return *this;
    	QString tmp; tmp.setNum(i); output += tmp;
    	return *this;
        }
        kdbgstream &operator<<(unsigned int i) {
            if (!print) return *this;
            QString tmp; tmp.setNum(i); output += tmp;
            return *this;
        }
        kdbgstream &operator<<(long i) {
            if (!print) return *this;
            QString tmp; tmp.setNum(i); output += tmp;
            return *this;
        }
        kdbgstream &operator<<(unsigned long i) {
            if (!print) return *this;
            QString tmp; tmp.setNum(i); output += tmp;
            return *this;
        }
        void flush();
        kdbgstream &operator<<(const QString& string) {
    	if (!print) return *this;
    	output += string;
    	if (output.at(output.length() -1 ) == '\n')
    	    flush();
    	return *this;
        }
        kdbgstream &operator<<(const char *string) {
    	if (!print) return *this;
    	output += QString::fromUtf8(string);
    	if (output.at(output.length() - 1) == '\n')
    	    flush();
    	return *this;
        }
        kdbgstream &operator<<(const QCString& string) {
          *this << string.data();
          return *this;
        }
        kdbgstream& operator<<(void * p) {
    	form("%p", p);
    	return *this;
        }
        kdbgstream& operator<<(KDBGFUNC f) {
    	if (!print) return *this;
    	return (*f)(*this);
        }
        kdbgstream& operator<<(double d) {
          form("%f", d);
          return *this;
        }
        kdbgstream &form(const char *format, ...);
        /** Operator to print out basic information about a QWidget.
         *  Output of class names only works if the class is moc'ified
         */
        kdbgstream& operator << (QWidget* widget);
     private:
        QString output;
        unsigned int area, level;
        bool print;
    };

    inline kdbgstream &endl( kdbgstream &s) { s << "\n"; return s; }
    inline kdbgstream &flush( kdbgstream &s) { s.flush(); return s; }
    kdbgstream &perror( kdbgstream &s);

    class kndbgstream {
     public:
        kndbgstream() {}
        ~kndbgstream() {}
        kndbgstream &operator<<(short int )  { return *this; }
        kndbgstream &operator<<(unsigned short int )  { return *this; }
        kndbgstream &operator<<(char )  { return *this; }
        kndbgstream &operator<<(unsigned char )  { return *this; }
        kndbgstream &operator<<(int )  { return *this; }
        kndbgstream &operator<<(unsigned int )  { return *this; }
        void flush() {}
        kndbgstream &operator<<(const QString& ) { return *this; }
        kndbgstream &operator<<(const QCString& ) { return *this; }
        kndbgstream &operator<<(const char *) { return *this; }
        kndbgstream& operator<<(void *) { return *this; }
        kndbgstream& operator<<(double) { return *this; }
        kndbgstream& operator<<(long) { return *this; }
        kndbgstream& operator<<(unsigned long) { return *this; }
        kndbgstream& operator<<(KNDBGFUNC) { return *this; }
        kndbgstream& operator << (QWidget*) { return *this; }
        kndbgstream &form(const char *, ...) { return *this; }
    };

    inline kndbgstream &endl( kndbgstream & s) { return s; }
    inline kndbgstream &flush( kndbgstream & s) { return s; }
    inline kndbgstream &perror( kndbgstream & s) { return s; }

    #ifndef NDEBUG
    kdbgstream kdDebug(int area = 0);
    kdbgstream kdDebug(bool cond, int area = 0);
    #else
    inline kndbgstream kdDebug(int = 0) { return kndbgstream(); }
    inline kndbgstream kdDebug(bool , int  = 0) { return kndbgstream(); }
    #endif
    kdbgstream kdWarning(int area = 0);
    kdbgstream kdWarning(bool cond, int area = 0);
    kdbgstream kdError(int area = 0);
    kdbgstream kdError(bool cond, int area = 0);
    kdbgstream kdFatal(int area = 0);
    kdbgstream kdFatal(bool cond, int area = 0);

    #endif