filter_string.h

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#ifndef FILTER_STRING_H
#define FILTER_STRING_H
 
#include "filter_tree.h"
 
#include <QLoggingCategory>
#include <QMap>
#include <QString>
#include <functional>
#include <libcockatrice/card/card_info.h>
#include <utility>
 
inline Q_LOGGING_CATEGORY(FilterStringLog, "filter_string");
 
typedef CardInfoPtr CardData;
typedef std::function<bool(const CardData &)> Filter;
typedef std::function<bool(const QString &)> StringMatcher;
typedef std::function<bool(int)> NumberMatcher;
 
namespace peg
{
template <typename Annotation> struct AstBase;
struct EmptyType;
typedef AstBase<EmptyType> Ast;
} // namespace peg
 
class FilterString
{
public:
    FilterString();
    explicit FilterString(const QString &exp);
    [[nodiscard]] bool check(const CardData &card) const
    {
        if (card.isNull()) {
            static CardInfoPtr blankCard = CardInfo::newInstance("");
            return result(blankCard);
        }
        return result(card);
    }
 
    bool valid()
    {
        return _error.isEmpty();
    }
 
    QString error()
    {
        return _error;
    }
 
private:
    QString _error;
    Filter result;
};
 
#endif