system/PeriodClock: indent with tabs
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@ -28,122 +28,122 @@
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*/
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class PeriodClock {
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protected:
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typedef unsigned Stamp;
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typedef unsigned Stamp;
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private:
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Stamp last;
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Stamp last;
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public:
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/**
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* Initializes the object, setting the last time stamp to "0",
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* i.e. a Check() will always succeed. If you do not want this
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* default behaviour, call Update() immediately after creating the
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* object.
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*/
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constexpr
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PeriodClock():last(0) {}
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/**
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* Initializes the object, setting the last time stamp to "0",
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* i.e. a Check() will always succeed. If you do not want this
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* default behaviour, call Update() immediately after creating the
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* object.
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*/
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constexpr
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PeriodClock():last(0) {}
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protected:
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static Stamp GetNow() {
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return MonotonicClockMS();
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}
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static Stamp GetNow() {
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return MonotonicClockMS();
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}
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constexpr int Elapsed(Stamp now) const {
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return last == 0
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? -1
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: now - last;
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}
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constexpr int Elapsed(Stamp now) const {
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return last == 0
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? -1
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: now - last;
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}
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constexpr bool Check(Stamp now, unsigned duration) const {
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return now >= last + duration;
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}
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constexpr bool Check(Stamp now, unsigned duration) const {
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return now >= last + duration;
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}
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void Update(Stamp now) {
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last = now;
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}
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void Update(Stamp now) {
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last = now;
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}
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public:
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constexpr bool IsDefined() const {
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return last != 0;
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}
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constexpr bool IsDefined() const {
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return last != 0;
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}
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/**
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* Resets the clock.
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*/
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void Reset() {
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last = 0;
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}
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/**
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* Resets the clock.
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*/
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void Reset() {
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last = 0;
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}
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/**
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* Returns the number of milliseconds elapsed since the last
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* update(). Returns -1 if update() was never called.
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*/
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int Elapsed() const {
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return Elapsed(GetNow());
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}
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/**
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* Returns the number of milliseconds elapsed since the last
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* update(). Returns -1 if update() was never called.
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*/
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int Elapsed() const {
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return Elapsed(GetNow());
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}
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/**
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* Combines a call to Elapsed() and Update().
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*/
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int ElapsedUpdate() {
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const auto now = GetNow();
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int result = Elapsed(now);
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Update(now);
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return result;
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}
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/**
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* Combines a call to Elapsed() and Update().
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*/
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int ElapsedUpdate() {
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const auto now = GetNow();
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int result = Elapsed(now);
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Update(now);
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return result;
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}
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/**
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* Checks whether the specified duration has passed since the last
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* update.
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*
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* @param duration the duration in milliseconds
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*/
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bool Check(unsigned duration) const {
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return Check(GetNow(), duration);
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}
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/**
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* Checks whether the specified duration has passed since the last
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* update.
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*
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* @param duration the duration in milliseconds
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*/
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bool Check(unsigned duration) const {
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return Check(GetNow(), duration);
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}
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/**
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* Updates the time stamp, setting it to the current clock.
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*/
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void Update() {
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Update(GetNow());
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}
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/**
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* Updates the time stamp, setting it to the current clock.
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*/
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void Update() {
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Update(GetNow());
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}
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/**
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* Updates the time stamp, setting it to the current clock plus the
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* specified offset.
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*/
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void UpdateWithOffset(int offset) {
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Update(GetNow() + offset);
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}
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/**
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* Updates the time stamp, setting it to the current clock plus the
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* specified offset.
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*/
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void UpdateWithOffset(int offset) {
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Update(GetNow() + offset);
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}
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/**
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* Checks whether the specified duration has passed since the last
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* update. If yes, it updates the time stamp.
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*
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* @param duration the duration in milliseconds
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*/
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bool CheckUpdate(unsigned duration) {
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Stamp now = GetNow();
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if (Check(now, duration)) {
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Update(now);
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return true;
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} else
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return false;
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}
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/**
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* Checks whether the specified duration has passed since the last
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* update. If yes, it updates the time stamp.
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*
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* @param duration the duration in milliseconds
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*/
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bool CheckUpdate(unsigned duration) {
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Stamp now = GetNow();
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if (Check(now, duration)) {
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Update(now);
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return true;
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} else
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return false;
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}
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/**
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* Checks whether the specified duration has passed since the last
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* update. After that, it updates the time stamp.
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*
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* @param duration the duration in milliseconds
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*/
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bool CheckAlwaysUpdate(unsigned duration) {
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Stamp now = GetNow();
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bool ret = Check(now, duration);
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Update(now);
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return ret;
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}
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/**
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* Checks whether the specified duration has passed since the last
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* update. After that, it updates the time stamp.
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*
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* @param duration the duration in milliseconds
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*/
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bool CheckAlwaysUpdate(unsigned duration) {
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Stamp now = GetNow();
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bool ret = Check(now, duration);
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Update(now);
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return ret;
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}
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};
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#endif
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