#include <stdexcept>
#include "ardour/libardour_visibility.h"
+#include "temporal/beats.h"
#include "pbd/compose.h"
-#ifdef PLATFORM_WINDOWS
-#undef VOID
-#endif
-
namespace ARDOUR {
/** A value with dynamic type (tagged union). */
{
public:
enum Type {
- VOID, ///< Nothing
+ NOTHING, ///< Nothing (void)
+ BEATS, ///< Beats+ticks
BOOL, ///< Boolean
DOUBLE, ///< C double (64-bit IEEE-754)
FLOAT, ///< C float (32-bit IEEE-754)
URI ///< URI string
};
- explicit Variant() : _type(VOID) { _long = 0; }
- explicit Variant(bool value) : _type(BOOL) { _bool = value; }
- explicit Variant(double value) : _type(DOUBLE) { _double = value; }
- explicit Variant(float value) : _type(FLOAT) { _float = value; }
- explicit Variant(int32_t value) : _type(INT) { _int = value; }
- explicit Variant(int64_t value) : _type(LONG) { _long = value; }
+ Variant() : _type(NOTHING) { _long = 0; }
+
+ explicit Variant(bool value) : _type(BOOL) { _bool = value; }
+ explicit Variant(double value) : _type(DOUBLE) { _double = value; }
+ explicit Variant(float value) : _type(FLOAT) { _float = value; }
+ explicit Variant(int32_t value) : _type(INT) { _int = value; }
+ explicit Variant(int64_t value) : _type(LONG) { _long = value; }
+
+ explicit Variant(const Temporal::Beats& beats)
+ : _type(BEATS)
+ , _beats(beats)
+ {}
/** Make a variant of a specific string type (string types only) */
Variant(Type type, const std::string& value)
/** Make a numeric variant from a double (numeric types only).
*
- * If conversion is impossible, the variant will have type VOID.
+ * If conversion is impossible, the variant will have type NOTHING.
*/
Variant(Type type, double value)
: _type(type)
_long = (int64_t)lrint(std::max((double)INT64_MIN,
std::min(value, (double)INT64_MAX)));
break;
+ case BEATS:
+ _beats = Temporal::Beats(value);
+ break;
default:
- _type = VOID;
+ _type = NOTHING;
_long = 0;
}
}
case FLOAT: return _float;
case INT: return _int;
case LONG: return _long;
+ case BEATS: return _beats.to_double();
default: return 0.0;
}
}
int get_int() const { ensure_type(INT); return _int; }
long get_long() const { ensure_type(LONG); return _long; }
+ bool operator==(bool v) const { return _type == BOOL && _bool == v; }
+ double operator==(double v) const { return _type == DOUBLE && _double == v; }
+ float operator==(float v) const { return _type == FLOAT && _float == v; }
+ int operator==(int v) const { return _type == INT && _int == v; }
+ long operator==(long v) const { return _type == LONG && _long == v; }
+
+ Variant& operator=(bool v) { _type = BOOL; _bool = v; return *this; }
+ Variant& operator=(double v) { _type = DOUBLE; _double = v; return *this; }
+ Variant& operator=(float v) { _type = FLOAT; _float = v; return *this; }
+ Variant& operator=(int v) { _type = INT; _int = v; return *this; }
+ Variant& operator=(long v) { _type = LONG; _long = v; return *this; }
+
const std::string& get_path() const { ensure_type(PATH); return _string; }
const std::string& get_string() const { ensure_type(STRING); return _string; }
const std::string& get_uri() const { ensure_type(URI); return _string; }
+ bool operator==(const Variant& v) const {
+ if (_type != v._type) {
+ return false;
+ }
+
+ switch (_type) {
+ case NOTHING: return true;
+ case BEATS: return _beats == v._beats;
+ case BOOL: return _bool == v._bool;
+ case DOUBLE: return _double == v._double;
+ case FLOAT: return _float == v._float;
+ case INT: return _int == v._int;
+ case LONG: return _long == v._long;
+ case PATH:
+ case STRING:
+ case URI: return _string == v._string;
+ }
+
+ return false;
+ }
+
+ bool operator==(const Temporal::Beats& v) const {
+ return _type == BEATS && _beats == v;
+ }
+
+ bool operator!() const { return _type == NOTHING; }
+
+ Variant& operator=(Temporal::Beats v) {
+ _type = BEATS;
+ _beats = v;
+ return *this;
+ }
+
+ const Temporal::Beats& get_beats() const {
+ ensure_type(BEATS); return _beats;
+ }
+
Type type() const { return _type; }
static bool type_is_numeric(Type type) {
switch (type) {
- case BOOL: case DOUBLE: case FLOAT: case INT: case LONG:
+ case BOOL: case DOUBLE: case FLOAT: case INT: case LONG: case BEATS:
return true;
default:
return false;
}
}
- Type _type; ///< Type tag
- std::string _string; ///< For all string types (PATH, STRING, URI)
+ Type _type; ///< Type tag
+ std::string _string; ///< PATH, STRING, URI
+ Temporal::Beats _beats; ///< BEATS
// Union of all primitive numeric types
union {