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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the utils of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <qcoreapplication.h>
#include <qdir.h>
#include <qfile.h>
#include <qmetaobject.h>
#include <qstring.h>
#include <qtextstream.h>
#include <qdebug.h>
#include <limits.h>
#include <stdio.h>
static bool printFilename = true;
static bool modify = false;
QString signature(const QString &line, int pos)
{
int start = pos;
// find first open parentheses
while (start < line.length() && line.at(start) != QLatin1Char('('))
++start;
int i = ++start;
int par = 1;
// find matching closing parentheses
while (i < line.length() && par > 0) {
if (line.at(i) == QLatin1Char('('))
++par;
else if (line.at(i) == QLatin1Char(')'))
--par;
++i;
}
if (par == 0)
return line.mid(start, i - start - 1);
return QString();
}
bool checkSignature(const QString &fileName, QString &line, const char *sig)
{
static QStringList fileList;
int idx = -1;
bool found = false;
while ((idx = line.indexOf(sig, ++idx)) != -1) {
const QByteArray sl(signature(line, idx).toLocal8Bit());
QByteArray nsl(QMetaObject::normalizedSignature(sl.constData()));
if (sl != nsl) {
found = true;
if (printFilename && !fileList.contains(fileName)) {
fileList.prepend(fileName);
printf("%s\n", fileName.toLocal8Bit().constData());
}
if (modify)
line.replace(sl, nsl);
//qDebug("expected '%s', got '%s'", nsl.data(), sl.data());
}
}
return found;
}
void writeChanges(const QString &fileName, const QStringList &lines)
{
QFile file(fileName);
if (!file.open(QIODevice::WriteOnly)) {
qDebug("unable to open file '%s' for writing (%s)", fileName.toLocal8Bit().constData(), file.errorString().toLocal8Bit().constData());
return;
}
QTextStream stream(&file);
for (int i = 0; i < lines.count(); ++i)
stream << lines.at(i);
file.close();
}
void check(const QString &fileName)
{
QFile file(fileName);
if (!file.open(QIODevice::ReadOnly)) {
qDebug("unable to open file: '%s' (%s)", fileName.toLocal8Bit().constData(), file.errorString().toLocal8Bit().constData());
return;
}
QStringList lines;
bool found = false;
while (true) {
QByteArray bline = file.readLine(16384);
if (bline.isEmpty())
break;
QString line = QString::fromLocal8Bit(bline);
Q_ASSERT_X(line.endsWith("\n"), "check()", fileName.toLocal8Bit().constData());
found |= checkSignature(fileName, line, "SLOT");
found |= checkSignature(fileName, line, "SIGNAL");
if (modify)
lines << line;
}
file.close();
if (found && modify) {
printf("Modifying file: '%s'\n", fileName.toLocal8Bit().constData());
writeChanges(fileName, lines);
}
}
void traverse(const QString &path)
{
QDir dir(path);
dir.setFilter(QDir::Dirs | QDir::Files | QDir::NoSymLinks);
const QFileInfoList list = dir.entryInfoList();
for (int i = 0; i < list.count(); ++i) {
const QFileInfo fi = list.at(i);
if (fi.fileName() == QLatin1String(".") || fi.fileName() == QLatin1String(".."))
continue;
if (fi.fileName().endsWith(".cpp"))
check(path + fi.fileName());
if (fi.isDir())
traverse(path + fi.fileName() + "/"); // recurse
}
}
int main(int argc, char *argv[])
{
QCoreApplication app(argc, argv);
if (app.argc() < 2 || (app.argc() == 2 && (app.argv()[1][0] == '-'))) {
printf("usage: normalize [--modify] <path>\n");
printf(" <path> can be a single file or a directory (default: look for *.cpp recursively)");
printf(" Outputs all filenames that contain non-normalized SIGNALs and SLOTs\n");
printf(" with --modify: fix all occurences of non-normalized SIGNALs and SLOTs\n");
return 1;
}
QString path;
if (qstrcmp(app.argv()[1], "--modify") == 0) {
printFilename = false;
modify = true;
path = app.argv()[2];
} else {
path = app.argv()[1];
}
if (path.startsWith("-")) {
qWarning("unknown parameter: %s", path.toLocal8Bit().constData());
return 1;
}
QFileInfo fi(path);
if (fi.isFile()) {
check(path);
} else if (fi.isDir()) {
if (!path.endsWith("/"))
path.append("/");
traverse(path);
} else {
qWarning("Don't know what to do with '%s'", path.toLocal8Bit().constData());
return 1;
}
return 0;
}
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