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authorMichael Krelin <hacker@klever.net>2006-08-11 16:01:56 (UTC)
committer Michael Krelin <hacker@klever.net>2006-08-11 16:01:56 (UTC)
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+#ifndef __MIDILLO_EVENT_H
+#define __MIDILLO_EVENT_H
+
+#include <istream>
+#include <ostream>
+#include <list>
+#include <midillo/message.h>
+
+/**
+ * @file
+ * @brief midi event container
+ */
+
+namespace midillo {
+ using std::istream;
+ using std::ostream;
+ using std::list;
+
+ /**
+ * MIDI event container class
+ */
+ class event_t {
+ public:
+ /**
+ * delta time since the last event
+ */
+ long deltat;
+ /**
+ * MIDI message itself
+ */
+ message_t message;
+
+ /**
+ * Load MIDI event from the stream
+ * @param rs reference to the running status
+ * @param s input stream
+ */
+ void load(int& rs,istream& s);
+
+ /**
+ * Save MIDI event to the stream
+ * @param rs reference to the running status
+ * @param s output stream
+ */
+ void save(int& rs,ostream& s) const;
+
+ /**
+ * Calculate the amount of data that would be written to stream in
+ * case of save
+ * @param rs reference to the running status
+ * @return the number of bytes
+ */
+ unsigned long calculate_save_size(int& rs) const;
+
+ /**
+ * Dump textual representation of event to stream
+ * @param s output stream
+ */
+ void dump(ostream& s) const;
+ };
+
+ inline ostream& operator<<(ostream& s,const event_t& e) {
+ e.dump(s); return s;
+ }
+
+ /**
+ * MIDI events list container
+ */
+ class events_t : public list<event_t> {
+ public:
+
+ /**
+ * Append empty event to the end of the list
+ * @return iterator, pointing to the appended event
+ */
+ iterator append_event();
+
+ /**
+ * Load MIDI events (track data) from the stream
+ * @param s input stream
+ */
+ void load(istream& s);
+ /**
+ * Save MIDI events (track data) to the stream
+ * @param s output stream
+ */
+ void save(ostream& s) const;
+
+ /**
+ * Calculate the size of the track data that would be written to
+ * the stream by save()
+ * @return the number of bytes
+ */
+ unsigned long calculate_save_size() const;
+ };
+
+}
+
+#endif /* __MIDILLO_EVENT_H */