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inline void *operator new(size_t s) { return malloc(s); }
inline void operator delete(void *p) { free(p); }
class Record
{
public:
enum FieldsType { Nothing, X, Y, State, Detail, Window, Width, Height, Keysym, MAX_FIELD };
static const char *get_field_name(FieldsType type);
static FieldsType get_field_type(const char *name);
enum RecordType {
KeyDown, KeyUp,
ButtonDown, ButtonUp, MouseMotion,
WindowMove = 256, TargetWindow
};
static const char *get_record_name(RecordType type);
static RecordType get_record_type(const char *name);
Record(RecordType _type, unsigned _time):
fields_present(0), type(_type), time(_time)
{
}
~Record() { }
RecordType get_type() const { return type; }
unsigned get_time() const { return time; }
bool has_field(FieldsType type) const { return ((fields_present >> type) & 1) != 0; }
unsigned get_field(FieldsType type) const {
if (!has_field(type)) {
fprintf(stderr, "record has no field %d\n", type);
exit(EXIT_FAILURE);
}
return fields[type];
}
unsigned get_field(FieldsType type, unsigned def) const {
if (!has_field(type))
return def;
return fields[type];
}
void set_field(FieldsType type, unsigned value) {
fields_present |= 1u << type;
fields[type] = value;
}
private:
RecordType type;
unsigned time;
unsigned fields_present;
unsigned fields[MAX_FIELD];
};
class RecordsFile
{
protected:
RecordsFile(FILE *_f);
~RecordsFile() { fclose(f); }
FILE *f;
};
class ReadRecordsFile: public RecordsFile
{
public:
ReadRecordsFile(const char *fn);
bool at_eof() const { return eof; }
Record get();
private:
void get_line();
bool eof;
char next_line[1024];
};
class WriteRecordsFile: public RecordsFile
{
public:
WriteRecordsFile(const char *fn);
void put(const Record &rec);
};
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