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// -*- related-file-name: "../../libefont/findmet.cc" -*-
#ifndef EFONT_FINDMET_HH
#define EFONT_FINDMET_HH
#include <lcdf/hashmap.hh>
#include <lcdf/vector.hh>
#include <lcdf/permstr.hh>
class Filename;
class ErrorHandler;
namespace Efont {
class Metrics;
class AmfmMetrics;
class PsresDatabase;
class MetricsFinder { public:
MetricsFinder() : _next(0), _prev(0) { }
virtual ~MetricsFinder();
MetricsFinder *next() const { return _next; }
void add_finder(MetricsFinder *);
Metrics *find_metrics(PermString, ErrorHandler * = 0);
AmfmMetrics *find_amfm(PermString, ErrorHandler * = 0);
virtual Metrics *find_metrics_x(PermString, MetricsFinder *, ErrorHandler *);
virtual AmfmMetrics *find_amfm_x(PermString, MetricsFinder *, ErrorHandler *);
void record(Metrics *m);
virtual void record(Metrics *, PermString);
virtual void record(AmfmMetrics *);
private:
MetricsFinder *_next;
MetricsFinder *_prev;
MetricsFinder(const MetricsFinder &) { }
MetricsFinder &operator=(const MetricsFinder &) { return *this; }
protected:
Metrics *try_metrics_file(const Filename &, MetricsFinder *, ErrorHandler *);
AmfmMetrics *try_amfm_file(const Filename &, MetricsFinder *, ErrorHandler *);
};
class CacheMetricsFinder: public MetricsFinder { public:
CacheMetricsFinder();
~CacheMetricsFinder();
Metrics *find_metrics_x(PermString, MetricsFinder *, ErrorHandler *);
AmfmMetrics *find_amfm_x(PermString, MetricsFinder *, ErrorHandler *);
void record(Metrics *, PermString);
void record(AmfmMetrics *);
void clear();
private:
HashMap<PermString, int> _metrics_map;
Vector<Metrics *> _metrics;
HashMap<PermString, int> _amfm_map;
Vector<AmfmMetrics *> _amfm;
};
class InstanceMetricsFinder: public MetricsFinder { public:
InstanceMetricsFinder(bool call_mmpfb = true);
Metrics *find_metrics_x(PermString, MetricsFinder *, ErrorHandler *);
private:
bool _call_mmpfb;
Metrics *find_metrics_instance(PermString, MetricsFinder *, ErrorHandler *);
};
class PsresMetricsFinder: public MetricsFinder { public:
PsresMetricsFinder(PsresDatabase *);
Metrics *find_metrics_x(PermString, MetricsFinder *, ErrorHandler *);
AmfmMetrics *find_amfm_x(PermString, MetricsFinder *, ErrorHandler *);
private:
PsresDatabase *_psres;
};
class DirectoryMetricsFinder: public MetricsFinder { public:
DirectoryMetricsFinder(PermString);
Metrics *find_metrics_x(PermString, MetricsFinder *, ErrorHandler *);
AmfmMetrics *find_amfm_x(PermString, MetricsFinder *, ErrorHandler *);
private:
PermString _directory;
};
}
#endif
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