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/*
SPDX-FileCopyrightText: 2023 Jonathan Poelen <jonathan.poelen+kde@gmail.com>
SPDX-License-Identifier: MIT
*/
#ifndef KSYNTAXHIGHLIGHTING_DYNAMICREGEXPCACHE_P_H
#define KSYNTAXHIGHLIGHTING_DYNAMICREGEXPCACHE_P_H
#include <QCache>
#include <QRegularExpression>
#include <QString>
#include <utility>
namespace KSyntaxHighlighting
{
class DynamicRegexpCache
{
public:
const QRegularExpression &compileRegexp(QString &&pattern, QRegularExpression::PatternOptions patternOptions)
{
const auto key = std::pair{std::move(pattern), patternOptions};
if (const auto regexp = m_cache.object(key)) {
return *regexp;
}
auto regexp = new QRegularExpression(key.first, patternOptions);
m_cache.insert(key, regexp);
return *regexp;
}
private:
QCache<std::pair<QString, QRegularExpression::PatternOptions>, QRegularExpression> m_cache;
};
}
#endif
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