/*

 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>

 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 *

 * 1.  Redistributions of source code must retain the above copyright

 *     notice, this list of conditions and the following disclaimer.

 * 2.  Redistributions in binary form must reproduce the above copyright

 *     notice, this list of conditions and the following disclaimer in the

 *     documentation and/or other materials provided with the distribution.

 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

 *     its contributors may be used to endorse or promote products derived

 *     from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 */

#include "DumpRenderTreeQt.h"

#include <wtf/AlwaysInline.h>

#include <qstringlist.h>

#include <qapplication.h>

#include <qurl.h>

#include <qdir.h>

#include <qdebug.h>

#include <qfont.h>

#include <qwebdatabase.h>

#include <qtimer.h>

#include <qwindowsstyle.h>

#ifdef Q_WS_X11

#include <qx11info_x11.h>

#include <fontconfig/fontconfig.h>

#endif

#ifdef Q_OS_WIN

#include <io.h>

#include <fcntl.h>

#endif

#include <limits.h>

#include <signal.h>

#if defined(__GLIBC__)

#include <execinfo.h>

#endif

void messageHandler(QtMsgType type, const char *message)

{

    if (type == QtCriticalMsg) {

        fprintf(stderr, "%s\n", message);

        return;

    }

    // do nothing

}

QString get_backtrace() {

    QString s;

#if defined(__GLIBC__)

    void* array[256];

    size_t size; /* number of stack frames */

    size = backtrace(array, 256);

    if (!size)

        return s;

    char** strings = backtrace_symbols(array, size);

    for (int i = 0; i < int(size); ++i) {

        s += QString::number(i) +

             QLatin1String(": ") +

             QLatin1String(strings[i]) + QLatin1String("\n");

    }

    if (strings)

        free (strings);

#endif

    return s;

}

#if HAVE(SIGNAL_H)

static NO_RETURN void crashHandler(int sig)

{

    fprintf(stderr, "%s\n", strsignal(sig));

    fprintf(stderr, "%s\n", get_backtrace().toLatin1().constData());

    exit(128 + sig);

}

#endif

int main(int argc, char* argv[])

{

#ifdef Q_OS_WIN

    _setmode(1, _O_BINARY);

    _setmode(2, _O_BINARY);

#endif

#ifdef Q_WS_X11

    FcInit();

    WebCore::DumpRenderTree::initializeFonts();

#endif

    QApplication::setGraphicsSystem("raster");

    QApplication::setStyle(new QWindowsStyle);

    QFont f("Sans Serif");

    f.setPointSize(9);

    f.setWeight(QFont::Normal);

    f.setStyle(QFont::StyleNormal);

    QApplication::setFont(f);

    QApplication app(argc, argv);

#ifdef Q_WS_X11

    QX11Info::setAppDpiY(0, 96);

    QX11Info::setAppDpiX(0, 96);

#endif

#if HAVE(SIGNAL_H)

    signal(SIGILL, crashHandler);    /* 4:   illegal instruction (not reset when caught) */

    signal(SIGTRAP, crashHandler);   /* 5:   trace trap (not reset when caught) */

    signal(SIGFPE, crashHandler);    /* 8:   floating point exception */

    signal(SIGBUS, crashHandler);    /* 10:  bus error */

    signal(SIGSEGV, crashHandler);   /* 11:  segmentation violation */

    signal(SIGSYS, crashHandler);    /* 12:  bad argument to system call */

    signal(SIGPIPE, crashHandler);   /* 13:  write on a pipe with no reader */

    signal(SIGXCPU, crashHandler);   /* 24:  exceeded CPU time limit */

    signal(SIGXFSZ, crashHandler);   /* 25:  exceeded file size limit */

#endif

    QStringList args = app.arguments();

    if (args.count() < 2) {

        qDebug() << "Usage: DumpRenderTree [-v|--pixel-tests] filename";

        exit(0);

    }

    // Suppress debug output from Qt if not started with -v

    if (!args.contains(QLatin1String("-v")))

        qInstallMsgHandler(messageHandler);

    WebCore::DumpRenderTree dumper;

    if (args.contains(QLatin1String("--pixel-tests")))

        dumper.setDumpPixels(true);

    QWebDatabase::removeAllDatabases();

    if (args.contains(QLatin1String("-"))) {

        QObject::connect(&dumper, SIGNAL(ready()), &dumper, SLOT(readLine()), Qt::QueuedConnection);

        QTimer::singleShot(0, &dumper, SLOT(readLine()));

    } else {

        dumper.setSingleFileMode(true);

        for (int i = 1; i < args.size(); ++i) {

            if (!args.at(i).startsWith('-')) {

                dumper.processLine(args.at(i));

                break;

            }

        }

    }

    return app.exec();

#ifdef Q_WS_X11

    FcConfigSetCurrent(0);

#endif

}