forgotten files
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Martin Rotter
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131
src/miscellaneous/regexfactory.cpp
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131
src/miscellaneous/regexfactory.cpp
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// For license of this file, see <project-root-folder>/LICENSE.md.
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/****************************************************************************
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**
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** Copyright (C) 2016 Giuseppe D'Angelo <dangelog@gmail.com>.
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** Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "miscellaneous/regexfactory.h"
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QString RegexFactory::wildcardToRegularExpression(const QString& pattern) {
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const int wclen = pattern.length();
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QString rx;
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rx.reserve(wclen + wclen / 16);
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int i = 0;
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const QChar* wc = pattern.unicode();
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#ifdef Q_OS_WIN
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const QLatin1Char nativePathSeparator('\\');
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const QLatin1String starEscape("[^/\\\\]*");
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const QLatin1String questionMarkEscape("[^/\\\\]");
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#else
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const QLatin1Char nativePathSeparator('/');
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const QLatin1String starEscape("[^/]*");
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const QLatin1String questionMarkEscape("[^/]");
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#endif
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while (i < wclen) {
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const QChar c = wc[i++];
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switch (c.unicode()) {
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case '*':
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rx += starEscape;
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break;
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case '?':
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rx += questionMarkEscape;
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break;
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case '\\':
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#ifdef Q_OS_WIN
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case '/':
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rx += QLatin1String("[/\\\\]");
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break;
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#endif
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case '$':
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case '(':
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case ')':
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case '+':
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case '.':
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case '^':
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case '{':
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case '|':
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case '}':
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rx += QLatin1Char('\\');
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rx += c;
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break;
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case '[':
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rx += c;
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// Support for the [!abc] or [!a-c] syntax
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if (i < wclen) {
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if (wc[i] == QLatin1Char('!')) {
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rx += QLatin1Char('^');
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++i;
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}
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if (i < wclen && wc[i] == QLatin1Char(']'))
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rx += wc[i++];
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while (i < wclen && wc[i] != QLatin1Char(']')) {
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// The '/' appearing in a character class invalidates the
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// regular expression parsing. It also concerns '\\' on
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// Windows OS types.
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if (wc[i] == QLatin1Char('/') || wc[i] == nativePathSeparator)
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return rx;
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if (wc[i] == QLatin1Char('\\'))
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rx += QLatin1Char('\\');
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rx += wc[i++];
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}
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}
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break;
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default:
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rx += c;
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break;
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}
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}
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return anchoredPattern(rx);
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}
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66
src/miscellaneous/regexfactory.h
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66
src/miscellaneous/regexfactory.h
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@ -0,0 +1,66 @@
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// For license of this file, see <project-root-folder>/LICENSE.md.
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/****************************************************************************
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**
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** Copyright (C) 2016 Giuseppe D'Angelo <dangelog@gmail.com>.
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** Copyright (C) 2016 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com, author Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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|
** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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|
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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|
** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef REGEXFACTORY_H
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#define REGEXFACTORY_H
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#include "definitions/definitions.h"
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#include <QRegularExpression>
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#include <QString>
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class RegexFactory {
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public:
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static QString anchoredPattern(const QString& expression);
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static QString wildcardToRegularExpression(const QString& pattern);
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private:
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explicit RegexFactory() = delete;
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};
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inline QString RegexFactory::anchoredPattern(const QString& expression) {
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return QL1S("\\A(?:") + expression + QL1S(")\\z");
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}
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#endif // REGEXFACTORY_H
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