/****************************************************************************+ −
**+ −
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+ −
** All rights reserved.+ −
** Contact: Nokia Corporation (qt-info@nokia.com)+ −
**+ −
** This file is part of the tools applications 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 Technology Preview License Agreement accompanying+ −
** this package.+ −
**+ −
** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.+ −
**+ −
** If you have questions regarding the use of this file, please contact+ −
** Nokia at qt-info@nokia.com.+ −
**+ −
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**+ −
**+ −
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**+ −
**+ −
** $QT_END_LICENSE$+ −
**+ −
****************************************************************************/+ −
+ −
#include "qt3to4.h"+ −
+ −
#include <QApplication>+ −
#include <QDir>+ −
#include <QFile>+ −
#include <QHash>+ −
#include <QLibraryInfo>+ −
#include <QXmlDefaultHandler>+ −
#include <QXmlSimpleReader>+ −
+ −
QT_BEGIN_NAMESPACE+ −
+ −
class ContentHandler: public QXmlDefaultHandler+ −
{+ −
public:+ −
typedef QPair<QString, QString> Rule;+ −
typedef QList<Rule> RuleList;+ −
+ −
public:+ −
ContentHandler() {}+ −
+ −
inline RuleList renamedHeaders() const+ −
{ return rules(QString::fromLatin1("RenamedHeader")); }+ −
+ −
inline RuleList renamedClasses() const+ −
{ return rules(QString::fromLatin1("RenamedClass")); }+ −
+ −
inline RuleList renamedEnums() const+ −
{ return rules(QString::fromLatin1("RenamedEnumvalue")); }+ −
+ −
inline RuleList rules(const QString &kind) const+ −
{ return m_rules.value(kind); }+ −
+ −
virtual bool startDocument()+ −
{+ −
m_rules.clear();+ −
m_state.current.clear();+ −
m_state.kind.clear();+ −
m_state.q3.clear();+ −
m_state.q4.clear();+ −
+ −
return true;+ −
}+ −
+ −
virtual bool startElement(const QString &, const QString &, const QString &qName, const QXmlAttributes &attrs)+ −
{+ −
if (qName == QLatin1String("item")) {+ −
m_state.kind = attrs.value(QLatin1String("Type"));+ −
+ −
m_state.current.clear();+ −
m_state.q3.clear();+ −
m_state.q4.clear();+ −
+ −
if (!m_rules.contains(m_state.kind))+ −
m_rules[m_state.kind].clear();+ −
+ −
return true;+ −
}+ −
+ −
return true; // ### only if it is a valid tag+ −
}+ −
+ −
+ −
virtual bool endElement(const QString &, const QString &, const QString &qName)+ −
{+ −
if (qName == QLatin1String("Qt3")) {+ −
m_state.q3 = m_state.current.trimmed();+ −
} else if (qName == QLatin1String("Qt4")) {+ −
m_state.q4 = m_state.current.trimmed();+ −
} else if (qName == QLatin1String("item")+ −
&& (m_state.kind == QLatin1String("RenamedHeader")+ −
|| m_state.kind == QLatin1String("RenamedEnumvalue")+ −
|| m_state.kind == QLatin1String("RenamedClass"))) {+ −
Rule r(m_state.q3, m_state.q4);+ −
m_rules[m_state.kind].append(r);+ −
}+ −
+ −
m_state.current.clear();+ −
return true;+ −
}+ −
+ −
virtual bool characters(const QString &ch)+ −
{ m_state.current += ch; return true; }+ −
+ −
virtual bool error(const QXmlParseException &e)+ −
{ Q_UNUSED(e); Q_ASSERT(0); return true; }+ −
+ −
virtual bool fatalError(const QXmlParseException &e)+ −
{ Q_UNUSED(e); Q_ASSERT(0); return true; }+ −
+ −
virtual bool warning(const QXmlParseException &e)+ −
{ Q_UNUSED(e); Q_ASSERT(0); return true; }+ −
+ −
private:+ −
QHash<QString, RuleList> m_rules;+ −
+ −
struct state+ −
{+ −
QString current;+ −
QString kind;+ −
QString q3;+ −
QString q4;+ −
} m_state;+ −
};+ −
+ −
void Porting::readXML(RuleList *renamedHeaders, RuleList *renamedClasses, RuleList *renamedEnums)+ −
{+ −
QString fileName = QLatin1String("q3porting.xml");+ −
QString filePath;+ −
//check QLibraryInfo::DataPath/filename+ −
filePath = QDir::cleanPath(QLibraryInfo::location(QLibraryInfo::DataPath) + QLatin1Char('/') + fileName) ;+ −
+ −
//check QLibraryInfo::PrefixPath/tools/porting/src/filename+ −
if (!QFile::exists(filePath))+ −
filePath = QDir::cleanPath(QLibraryInfo::location(QLibraryInfo::PrefixPath) + QLatin1String("/tools/porting/src/") + fileName);+ −
+ −
// for bootstrapping, look in the rules file in a location+ −
// relative to where it would be in the source tree+ −
if (!QFile::exists(filePath))+ −
filePath = QDir::cleanPath(QApplication::instance()->applicationDirPath() + QLatin1String("/../tools/porting/src/") + fileName);+ −
+ −
if (!QFile::exists(filePath)) {+ −
fprintf(stderr, "Error: Could not find rules file: %s\n", fileName.toLatin1().constData());+ −
Q_ASSERT(0);+ −
}+ −
+ −
ContentHandler handler;+ −
+ −
QXmlSimpleReader reader;+ −
reader.setContentHandler(&handler);+ −
reader.setErrorHandler(&handler);+ −
+ −
QFile file(filePath);+ −
file.open(QFile::ReadOnly);+ −
+ −
QXmlInputSource source(file);+ −
bool ok = reader.parse(&source);+ −
Q_UNUSED(ok);+ −
Q_ASSERT(ok);+ −
+ −
if (renamedHeaders)+ −
*renamedHeaders = handler.renamedHeaders();+ −
if (renamedClasses)+ −
*renamedClasses = handler.renamedClasses();+ −
if (renamedEnums)+ −
*renamedEnums = handler.renamedEnums();+ −
+ −
}+ −
+ −
Porting::Porting()+ −
{+ −
readXML(&m_renamedHeaders, &m_renamedClasses, &m_renamedEnums);+ −
}+ −
+ −
int Porting::findRule(const RuleList &rules, const QString &q3)+ −
{+ −
for (int i=0; i<rules.count(); ++i)+ −
if (rules.at(i).first == q3)+ −
return i;+ −
return -1;+ −
}+ −
+ −
QString Porting::renameHeader(const QString &headerName) const+ −
{+ −
int index = findRule(m_renamedHeaders, headerName);+ −
return index == -1 ? headerName : m_renamedHeaders.at(index).second;+ −
}+ −
+ −
QString Porting::renameClass(const QString &className) const+ −
{+ −
if (className == QLatin1String("QSplitter")) // We don't want a Q3Splitter, ever!+ −
return className;+ −
+ −
int index = findRule(m_renamedClasses, className);+ −
return index == -1 ? className : m_renamedClasses.at(index).second;+ −
}+ −
+ −
QString Porting::renameEnumerator(const QString &enumName) const+ −
{+ −
int index = findRule(m_renamedEnums, enumName);+ −
return index == -1 ? QString() : m_renamedEnums.at(index).second;+ −
}+ −
+ −
QT_END_NAMESPACE+ −