92 lines
3.5 KiB
C++
92 lines
3.5 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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#include "base/flags.h"
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namespace qthelp {
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class RegularExpressionMatch {
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public:
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RegularExpressionMatch(const QRegularExpressionMatch &other) = delete;
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RegularExpressionMatch(const RegularExpressionMatch &other) = delete;
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RegularExpressionMatch(QRegularExpressionMatch &&match) : data_(std::move(match)) {
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}
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RegularExpressionMatch(RegularExpressionMatch &&other) : data_(std::move(other.data_)) {
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}
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RegularExpressionMatch &operator=(const QRegularExpressionMatch &match) = delete;
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RegularExpressionMatch &operator=(const RegularExpressionMatch &other) = delete;
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RegularExpressionMatch &operator=(QRegularExpressionMatch &&match) {
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data_ = std::move(match);
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return *this;
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}
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RegularExpressionMatch &operator=(RegularExpressionMatch &&other) {
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data_ = std::move(other.data_);
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return *this;
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}
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QRegularExpressionMatch *operator->() {
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return &data_;
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}
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const QRegularExpressionMatch *operator->() const {
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return &data_;
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}
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explicit operator bool() const {
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return data_.hasMatch();
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}
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private:
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QRegularExpressionMatch data_;
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};
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enum class RegExOption {
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None = QRegularExpression::NoPatternOption,
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CaseInsensitive = QRegularExpression::CaseInsensitiveOption,
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DotMatchesEverything = QRegularExpression::DotMatchesEverythingOption,
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Multiline = QRegularExpression::MultilineOption,
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ExtendedSyntax = QRegularExpression::ExtendedPatternSyntaxOption,
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InvertedGreediness = QRegularExpression::InvertedGreedinessOption,
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DontCapture = QRegularExpression::DontCaptureOption,
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UseUnicodeProperties = QRegularExpression::UseUnicodePropertiesOption,
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#ifndef OS_MAC_OLD
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OptimizeOnFirstUsage = QRegularExpression::OptimizeOnFirstUsageOption,
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DontAutomaticallyOptimize = QRegularExpression::DontAutomaticallyOptimizeOption,
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#endif // OS_MAC_OLD
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};
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using RegExOptions = base::flags<RegExOption>;
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inline constexpr auto is_flag_type(RegExOption) { return true; };
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inline RegularExpressionMatch regex_match(const QString &string, const QString &subject, RegExOptions options = 0) {
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auto qtOptions = QRegularExpression::PatternOptions(static_cast<int>(options));
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return RegularExpressionMatch(QRegularExpression(string, qtOptions).match(subject));
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}
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inline RegularExpressionMatch regex_match(const QString &string, const QStringRef &subjectRef, RegExOptions options = 0) {
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auto qtOptions = QRegularExpression::PatternOptions(static_cast<int>(options));
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#ifndef OS_MAC_OLD
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return RegularExpressionMatch(QRegularExpression(string, qtOptions).match(subjectRef));
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#else // OS_MAC_OLD
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return RegularExpressionMatch(QRegularExpression(string, qtOptions).match(subjectRef.toString()));
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#endif // OS_MAC_OLD
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}
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} // namespace qthelp
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