1 files changed, 582 insertions, 0 deletions

diff --git a/xbmc/utils/Speed.cpp b/xbmc/utils/Speed.cpp
new file mode 100644
index 0000000..441c16c
--- /dev/null
+++ b/xbmc/utils/Speed.cpp
@@ -0,0 +1,582 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "Speed.h"
+
+#include "utils/Archive.h"
+#include "utils/StringUtils.h"
+
+#include <assert.h>
+
+CSpeed::CSpeed()
+{
+  m_value = 0.0;
+  m_valid = false;
+}
+
+CSpeed::CSpeed(const CSpeed& speed)
+{
+  m_value = speed.m_value;
+  m_valid = speed.m_valid;
+}
+
+CSpeed::CSpeed(double value)
+{
+  m_value = value;
+  m_valid = true;
+}
+
+bool CSpeed::operator >(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  if (!IsValid() || !right.IsValid())
+    return false;
+
+  if (this == &right)
+    return false;
+
+  return (m_value > right.m_value);
+}
+
+bool CSpeed::operator >=(const CSpeed& right) const
+{
+  return operator >(right) || operator ==(right);
+}
+
+bool CSpeed::operator <(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  if (!IsValid() || !right.IsValid())
+    return false;
+
+  if (this == &right)
+    return false;
+
+  return (m_value < right.m_value);
+}
+
+bool CSpeed::operator <=(const CSpeed& right) const
+{
+  return operator <(right) || operator ==(right);
+}
+
+bool CSpeed::operator ==(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  if (!IsValid() || !right.IsValid())
+    return false;
+
+  if (this == &right)
+    return true;
+
+  return (m_value == right.m_value);
+}
+
+bool CSpeed::operator !=(const CSpeed& right) const
+{
+  return !operator ==(right.m_value);
+}
+
+CSpeed& CSpeed::operator =(const CSpeed& right)
+{
+  m_valid = right.m_valid;
+  m_value = right.m_value;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator +=(const CSpeed& right)
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  m_value += right.m_value;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator -=(const CSpeed& right)
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  m_value -= right.m_value;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator *=(const CSpeed& right)
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  m_value *= right.m_value;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator /=(const CSpeed& right)
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  m_value /= right.m_value;
+  return *this;
+}
+
+CSpeed CSpeed::operator +(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  CSpeed temp(*this);
+
+  if (!IsValid() || !right.IsValid())
+    temp.SetValid(false);
+  else
+    temp.m_value += right.m_value;
+
+  return temp;
+}
+
+CSpeed CSpeed::operator -(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  CSpeed temp(*this);
+  if (!IsValid() || !right.IsValid())
+    temp.SetValid(false);
+  else
+    temp.m_value -= right.m_value;
+
+  return temp;
+}
+
+CSpeed CSpeed::operator *(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  CSpeed temp(*this);
+  if (!IsValid() || !right.IsValid())
+    temp.SetValid(false);
+  else
+    temp.m_value *= right.m_value;
+  return temp;
+}
+
+CSpeed CSpeed::operator /(const CSpeed& right) const
+{
+  assert(IsValid());
+  assert(right.IsValid());
+
+  CSpeed temp(*this);
+  if (!IsValid() || !right.IsValid())
+    temp.SetValid(false);
+  else
+    temp.m_value /= right.m_value;
+  return temp;
+}
+
+CSpeed& CSpeed::operator ++()
+{
+  assert(IsValid());
+
+  m_value++;
+  return *this;
+}
+
+CSpeed& CSpeed::operator --()
+{
+  assert(IsValid());
+
+  m_value--;
+  return *this;
+}
+
+CSpeed CSpeed::operator ++(int)
+{
+  assert(IsValid());
+
+  CSpeed temp(*this);
+  m_value++;
+  return temp;
+}
+
+CSpeed CSpeed::operator --(int)
+{
+  assert(IsValid());
+
+  CSpeed temp(*this);
+  m_value--;
+  return temp;
+}
+
+bool CSpeed::operator >(double right) const
+{
+  assert(IsValid());
+
+  if (!IsValid())
+    return false;
+
+  return (m_value > right);
+}
+
+bool CSpeed::operator >=(double right) const
+{
+  return operator >(right) || operator ==(right);
+}
+
+bool CSpeed::operator <(double right) const
+{
+  assert(IsValid());
+
+  if (!IsValid())
+    return false;
+
+  return (m_value < right);
+}
+
+bool CSpeed::operator <=(double right) const
+{
+  return operator <(right) || operator ==(right);
+}
+
+bool CSpeed::operator ==(double right) const
+{
+  if (!IsValid())
+    return false;
+
+  return (m_value == right);
+}
+
+bool CSpeed::operator !=(double right) const
+{
+  return !operator ==(right);
+}
+
+const CSpeed& CSpeed::operator +=(double right)
+{
+  assert(IsValid());
+
+  m_value += right;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator -=(double right)
+{
+  assert(IsValid());
+
+  m_value -= right;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator *=(double right)
+{
+  assert(IsValid());
+
+  m_value *= right;
+  return *this;
+}
+
+const CSpeed& CSpeed::operator /=(double right)
+{
+  assert(IsValid());
+
+  m_value /= right;
+  return *this;
+}
+
+CSpeed CSpeed::operator +(double right) const
+{
+  assert(IsValid());
+
+  CSpeed temp(*this);
+  temp.m_value += right;
+  return temp;
+}
+
+CSpeed CSpeed::operator -(double right) const
+{
+  assert(IsValid());
+
+  CSpeed temp(*this);
+  temp.m_value -= right;
+  return temp;
+}
+
+CSpeed CSpeed::operator *(double right) const
+{
+  assert(IsValid());
+
+  CSpeed temp(*this);
+  temp.m_value *= right;
+  return temp;
+}
+
+CSpeed CSpeed::operator /(double right) const
+{
+  assert(IsValid());
+
+  CSpeed temp(*this);
+  temp.m_value /= right;
+  return temp;
+}
+
+CSpeed CSpeed::CreateFromKilometresPerHour(double value)
+{
+  return CSpeed(value / 3.6);
+}
+
+CSpeed CSpeed::CreateFromMetresPerMinute(double value)
+{
+  return CSpeed(value / 60.0);
+}
+
+CSpeed CSpeed::CreateFromMetresPerSecond(double value)
+{
+  return CSpeed(value);
+}
+
+CSpeed CSpeed::CreateFromFeetPerHour(double value)
+{
+  return CreateFromFeetPerMinute(value / 60.0);
+}
+
+CSpeed CSpeed::CreateFromFeetPerMinute(double value)
+{
+  return CreateFromFeetPerSecond(value / 60.0);
+}
+
+CSpeed CSpeed::CreateFromFeetPerSecond(double value)
+{
+  return CSpeed(value / 3.280839895);
+}
+
+CSpeed CSpeed::CreateFromMilesPerHour(double value)
+{
+  return CSpeed(value / 2.236936292);
+}
+
+CSpeed CSpeed::CreateFromKnots(double value)
+{
+  return CSpeed(value / 1.943846172);
+}
+
+CSpeed CSpeed::CreateFromBeaufort(unsigned int value)
+{
+  if (value == 0)
+    return CSpeed(0.15);
+  if (value == 1)
+    return CSpeed(0.9);
+  if (value == 2)
+    return CSpeed(2.4);
+  if (value == 3)
+    return CSpeed(4.4);
+  if (value == 4)
+    return CSpeed(6.75);
+  if (value == 5)
+    return CSpeed(9.4);
+  if (value == 6)
+    return CSpeed(12.35);
+  if (value == 7)
+    return CSpeed(15.55);
+  if (value == 8)
+    return CSpeed(18.95);
+  if (value == 9)
+    return CSpeed(22.6);
+  if (value == 10)
+    return CSpeed(26.45);
+  if (value == 11)
+    return CSpeed(30.5);
+
+  return CSpeed(32.6);
+}
+
+CSpeed CSpeed::CreateFromInchPerSecond(double value)
+{
+  return CSpeed(value / 39.37007874);
+}
+
+CSpeed CSpeed::CreateFromYardPerSecond(double value)
+{
+  return CSpeed(value / 1.093613298);
+}
+
+CSpeed CSpeed::CreateFromFurlongPerFortnight(double value)
+{
+  return CSpeed(value / 6012.885613871);
+}
+
+void CSpeed::Archive(CArchive& ar)
+{
+  if (ar.IsStoring())
+  {
+    ar << m_value;
+    ar << m_valid;
+  }
+  else
+  {
+    ar >> m_value;
+    ar >> m_valid;
+  }
+}
+
+bool CSpeed::IsValid() const
+{
+  return m_valid;
+}
+
+double CSpeed::ToKilometresPerHour() const
+{
+  return m_value * 3.6;
+}
+
+double CSpeed::ToMetresPerMinute() const
+{
+  return m_value * 60.0;
+}
+
+double CSpeed::ToMetresPerSecond() const
+{
+  return m_value;
+}
+
+double CSpeed::ToFeetPerHour() const
+{
+  return ToFeetPerMinute() * 60.0;
+}
+
+double CSpeed::ToFeetPerMinute() const
+{
+  return ToFeetPerSecond() * 60.0;
+}
+
+double CSpeed::ToFeetPerSecond() const
+{
+  return m_value * 3.280839895;
+}
+
+double CSpeed::ToMilesPerHour() const
+{
+  return m_value * 2.236936292;
+}
+
+double CSpeed::ToKnots() const
+{
+  return m_value * 1.943846172;
+}
+
+double CSpeed::ToBeaufort() const
+{
+  if (m_value < 0.3)
+    return 0;
+  if (m_value >= 0.3 && m_value < 1.5)
+    return 1;
+  if (m_value >= 1.5 && m_value < 3.3)
+    return 2;
+  if (m_value >= 3.3 && m_value < 5.5)
+    return 3;
+  if (m_value >= 5.5 && m_value < 8.0)
+    return 4;
+  if (m_value >= 8.0 && m_value < 10.8)
+    return 5;
+  if (m_value >= 10.8 && m_value < 13.9)
+    return 6;
+  if (m_value >= 13.9 && m_value < 17.2)
+    return 7;
+  if (m_value >= 17.2 && m_value < 20.7)
+    return 8;
+  if (m_value >= 20.7 && m_value < 24.5)
+    return 9;
+  if (m_value >= 24.5 && m_value < 28.4)
+    return 10;
+  if (m_value >= 28.4 && m_value < 32.6)
+    return 11;
+
+  return 12;
+}
+
+double CSpeed::ToInchPerSecond() const
+{
+  return m_value * 39.37007874;
+}
+
+double CSpeed::ToYardPerSecond() const
+{
+  return m_value * 1.093613298;
+}
+
+double CSpeed::ToFurlongPerFortnight() const
+{
+  return m_value * 6012.885613871;
+}
+
+double CSpeed::To(Unit speedUnit) const
+{
+  if (!IsValid())
+    return 0;
+
+  double value = 0.0;
+
+  switch (speedUnit)
+  {
+  case UnitKilometresPerHour:
+    value = ToKilometresPerHour();
+    break;
+  case UnitMetresPerMinute:
+    value = ToMetresPerMinute();
+    break;
+  case UnitMetresPerSecond:
+    value = ToMetresPerSecond();
+    break;
+  case UnitFeetPerHour:
+    value = ToFeetPerHour();
+    break;
+  case UnitFeetPerMinute:
+    value = ToFeetPerMinute();
+    break;
+  case UnitFeetPerSecond:
+    value = ToFeetPerSecond();
+    break;
+  case UnitMilesPerHour:
+    value = ToMilesPerHour();
+    break;
+  case UnitKnots:
+    value = ToKnots();
+    break;
+  case UnitBeaufort:
+    value = ToBeaufort();
+    break;
+  case UnitInchPerSecond:
+    value = ToInchPerSecond();
+    break;
+  case UnitYardPerSecond:
+    value = ToYardPerSecond();
+    break;
+  case UnitFurlongPerFortnight:
+    value = ToFurlongPerFortnight();
+    break;
+  default:
+    assert(false);
+    break;
+  }
+  return value;
+}
+
+// Returns temperature as localized string
+std::string CSpeed::ToString(Unit speedUnit) const
+{
+  if (!IsValid())
+    return "";
+
+  return StringUtils::Format("%2.0f", To(speedUnit));
+}