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KDECore

kglobal.cpp

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/* This file is part of the KDE libraries
   Copyright (C) 1999 Sirtaj Singh Kanq <taj@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 version 2 as published by the Free Software Foundation.

   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., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
/*
* kglobal.cpp -- Implementation of class KGlobal.
* Author:   Sirtaj Singh Kang
* Version:  $Id: kglobal.cpp 700792 2007-08-16 12:57:23Z mueller $
* Generated:    Sat May  1 02:08:43 EST 1999
*/

#include <qglobal.h>
#include <qdict.h>
#include <qptrlist.h>
#include "kglobal.h"

#include <kapplication.h>
#include <kaboutdata.h>
#include <kdebug.h>
#include <kconfig.h>
#include <klocale.h>
#include <kcharsets.h>
#include <kiconloader.h>
#include <kstandarddirs.h>
#include <kinstance.h>
#include "kstaticdeleter.h"

#include <qfont.h>

#ifndef NDEBUG
#define MYASSERT(x) if (!x) \
   qFatal("Fatal error: you need to have a KInstance object before\n" \
         "you do anything that requires it! Examples of this are config\n" \
         "objects, standard directories or translations.");
#else
#define MYASSERT(x) /* nope */
#endif

static void kglobal_init();

KStandardDirs *KGlobal::dirs()
{
    MYASSERT(_instance);

    return _instance->dirs();
}

KConfig *KGlobal::config()
{
    MYASSERT(_instance);

    return _instance->config();
}

KSharedConfig *KGlobal::sharedConfig()
{
    MYASSERT(_instance);

    return _instance->sharedConfig();
}

KIconLoader *KGlobal::iconLoader()
{
    MYASSERT(_instance);

    return _instance->iconLoader();
}

KInstance *KGlobal::instance()
{
    MYASSERT(_instance);
    return _instance;
}

KLocale *KGlobal::locale()
{
    if( _locale == 0 ) {
    if (!_instance)
       return 0;
        kglobal_init();

        // will set _locale if it works - otherwise 0 is returned
        KLocale::initInstance();
        if( _instance->aboutData())
            _instance->aboutData()->translateInternalProgramName();
    }

    return _locale;
}

KCharsets *KGlobal::charsets()
{
    if( _charsets == 0 ) {
        _charsets =new KCharsets();
        kglobal_init();
    }

    return _charsets;
}

void KGlobal::setActiveInstance(KInstance *i)
{
    _activeInstance = i;
    if (i && _locale)
    _locale->setActiveCatalogue(QString::fromUtf8(i->instanceName()));
}

const QString &
KGlobal::staticQString(const char *str)
{
   return staticQString(QString::fromLatin1(str));
}

class KStringDict : public QDict<QString>
{
public:
   KStringDict() : QDict<QString>(139) { }
};

const QString &
KGlobal::staticQString(const QString &str)
{
    if (!_stringDict) {
      _stringDict = new KStringDict;
      _stringDict->setAutoDelete( true );
      kglobal_init();
    }
   QString *result = _stringDict->find(str);
   if (!result)
   {
      result = new QString(str);
      _stringDict->insert(str, result);
   }
   return *result;
}

class KStaticDeleterList: public QPtrList<KStaticDeleterBase>
{
public:
   KStaticDeleterList() { }
};

void
KGlobal::registerStaticDeleter(KStaticDeleterBase *obj)
{
   if (!_staticDeleters)
      kglobal_init();
   if (_staticDeleters->find(obj) == -1)
      _staticDeleters->append(obj);
}

void
KGlobal::unregisterStaticDeleter(KStaticDeleterBase *obj)
{
   if (_staticDeleters)
      _staticDeleters->removeRef(obj);
}

void
KGlobal::deleteStaticDeleters()
{
    if (!KGlobal::_staticDeleters)
        return;

    for(;_staticDeleters->count();)
    {
        _staticDeleters->take(0)->destructObject();
    }

    delete KGlobal::_staticDeleters;
    KGlobal::_staticDeleters = 0;
}

// The Variables

KStringDict     *KGlobal::_stringDict   = 0;
KInstance       *KGlobal::_instance     = 0;
KInstance       *KGlobal::_activeInstance = 0;
KLocale         *KGlobal::_locale   = 0;
KCharsets       *KGlobal::_charsets = 0;
KStaticDeleterList *KGlobal::_staticDeleters = 0;

#ifdef WIN32
#include <windows.h>
static void kglobal_freeAll();
BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, LPVOID impLoad )
{
    if (reason == DLL_PROCESS_DETACH)
        kglobal_freeAll();
    return TRUE;
}
#else
__attribute__((destructor))
#endif
static void kglobal_freeAll()
{
    delete KGlobal::_locale;
    KGlobal::_locale = 0;
    delete KGlobal::_charsets;
    KGlobal::_charsets = 0;
    delete KGlobal::_stringDict;
    KGlobal::_stringDict = 0;
    KGlobal::deleteStaticDeleters();
    // so that we don't hold a reference and see memory leaks :/
    KGlobal::setActiveInstance(0);
}

static void kglobal_init()
{
    if (KGlobal::_staticDeleters)
        return;

    KGlobal::_staticDeleters = new KStaticDeleterList;
}

int kasciistricmp( const char *str1, const char *str2 )
{
    const unsigned char *s1 = (const unsigned char *)str1;
    const unsigned char *s2 = (const unsigned char *)str2;
    int res;
    unsigned char c1, c2;

    if ( !s1 || !s2 )
        return s1 ? 1 : (s2 ? -1 : 0);
    if ( !*s1 || !*s2 )
        return *s1 ? 1 : (*s2 ? -1 : 0);
    for (;*s1; ++s1, ++s2) {
        c1 = *s1; c2 = *s2;
        if (c1 >= 'A' && c1 <= 'Z')
            c1 += 'a' - 'A';
        if (c2 >= 'A' && c2 <= 'Z')
            c2 += 'a' - 'A';

        if ((res = c1 - c2))
            break;
    }
    return *s1 ? res : (*s2 ? -1 : 0);
}

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