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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "codegeneration.h"
#include "algorithm.h"
#include <QTextStream>
#include <QSet>
#include <QStringList>
#include <QFileInfo>
namespace Utils {
QTCREATOR_UTILS_EXPORT QString fileNameToCppIdentifier(const QString &s)
{
QString rc;
const int len = s.size();
const QChar underscore = QLatin1Char('_');
const QChar dot = QLatin1Char('.');
for (int i = 0; i < len; i++) {
const QChar c = s.at(i);
if (c == underscore || c.isLetterOrNumber())
rc += c;
else if (c == dot)
rc += underscore;
}
return rc;
}
QTCREATOR_UTILS_EXPORT QString headerGuard(const QString &file)
{
return headerGuard(file, QStringList());
}
QTCREATOR_UTILS_EXPORT QString headerGuard(const QString &file, const QStringList &namespaceList)
{
const QChar underscore = QLatin1Char('_');
QString rc;
for (int i = 0; i < namespaceList.count(); i++)
rc += namespaceList.at(i).toUpper() + underscore;
const QFileInfo fi(file);
rc += fileNameToCppIdentifier(fi.fileName()).toUpper();
return rc;
}
QTCREATOR_UTILS_EXPORT
void writeIncludeFileDirective(const QString &file, bool globalInclude,
QTextStream &str)
{
const QChar opening = globalInclude ? QLatin1Char('<') : QLatin1Char('"');
const QChar closing = globalInclude ? QLatin1Char('>') : QLatin1Char('"');
str << QLatin1String("#include ") << opening << file << closing << QLatin1Char('\n');
}
QTCREATOR_UTILS_EXPORT void writeBeginQtVersionCheck(QTextStream &str)
{
str << QLatin1String("#if QT_VERSION >= 0x050000\n");
}
static void qtSection(const QStringList &qtIncludes, QTextStream &str)
{
QStringList sorted = qtIncludes;
Utils::sort(sorted);
for (const QString &inc : qAsConst(sorted)) {
if (!inc.isEmpty())
str << QStringLiteral("#include <%1>\n").arg(inc);
}
}
QTCREATOR_UTILS_EXPORT
void writeQtIncludeSection(const QStringList &qt4,
const QStringList &qt5,
bool addQtVersionCheck,
bool includeQtModule,
QTextStream &str)
{
std::function<QString(const QString &)> trans;
if (includeQtModule)
trans = [](const QString &i) { return i; };
else
trans = [](const QString &i) { return i.mid(i.indexOf(QLatin1Char('/')) + 1); };
QSet<QString> qt4Only = Utils::transform<QSet>(qt4, trans);
QSet<QString> qt5Only = Utils::transform<QSet>(qt5, trans);
if (addQtVersionCheck) {
QSet<QString> common = qt4Only;
common.intersect(qt5Only);
// qglobal.h is needed for QT_VERSION
if (includeQtModule)
common.insert(QLatin1String("QtCore/qglobal.h"));
else
common.insert(QLatin1String("qglobal.h"));
qt4Only.subtract(common);
qt5Only.subtract(common);
qtSection(Utils::toList(common), str);
if (!qt4Only.isEmpty() || !qt5Only.isEmpty()) {
if (addQtVersionCheck)
writeBeginQtVersionCheck(str);
qtSection(Utils::toList(qt5Only), str);
if (addQtVersionCheck)
str << QLatin1String("#else\n");
qtSection(Utils::toList(qt4Only), str);
if (addQtVersionCheck)
str << QLatin1String("#endif\n");
}
} else {
if (!qt5Only.isEmpty()) // default to Qt5
qtSection(Utils::toList(qt5Only), str);
else
qtSection(Utils::toList(qt4Only), str);
}
}
QTCREATOR_UTILS_EXPORT
QString writeOpeningNameSpaces(const QStringList &l, const QString &indent,
QTextStream &str)
{
const int count = l.size();
QString rc;
if (count) {
str << '\n';
for (int i = 0; i < count; i++) {
str << rc << "namespace " << l.at(i) << " {\n";
rc += indent;
}
}
return rc;
}
QTCREATOR_UTILS_EXPORT
void writeClosingNameSpaces(const QStringList &l, const QString &indent,
QTextStream &str)
{
if (!l.empty())
str << '\n';
for (int i = l.size() - 1; i >= 0; i--) {
if (i)
str << QString(indent.size() * i, QLatin1Char(' '));
str << "} // namespace " << l.at(i) << '\n';
}
}
} // namespace Utils
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