Magic_Game/kiwano/base/time.cpp

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// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#include "time.h"
#include "logs.h"
#include <regex>
#include <unordered_map>
namespace kiwano
{
namespace time
{
//-------------------------------------------------------
// Time
//-------------------------------------------------------
Time::Time()
: dur_(0)
{
}
Time::Time(long dur)
: dur_(dur)
{
}
const Time Time::operator+(const Duration & dur) const
{
return Time{ dur_ + dur.Milliseconds() };
}
const Time Time::operator-(const Duration & dur) const
{
return Time{ dur_ - dur.Milliseconds() };
}
Time & Time::operator+=(const Duration & other)
{
dur_ += other.Milliseconds();
return (*this);
}
Time & Time::operator-=(const Duration &other)
{
dur_ -= other.Milliseconds();
return (*this);
}
const Duration Time::operator-(const Time & other) const
{
return Duration(dur_ - other.dur_);
}
Time Time::Now() noexcept
{
static LARGE_INTEGER freq = {};
if (freq.QuadPart == 0LL)
{
// the function will always succceed on systems that run Windows XP or later
QueryPerformanceFrequency(&freq);
}
LARGE_INTEGER count;
QueryPerformanceCounter(&count);
const long long whole = (count.QuadPart / freq.QuadPart) * 1000LL;
const long long part = (count.QuadPart % freq.QuadPart) * 1000LL / freq.QuadPart;
return Time{ static_cast<long>(whole + part) };
}
//-------------------------------------------------------
// Duration
//-------------------------------------------------------
const Duration Ms = 1L;
const Duration Sec = 1000 * Ms;
const Duration Min = 60 * Sec;
const Duration Hour = 60 * Min;
namespace
{
const auto duration_regex = std::wregex(LR"([-+]?([0-9]*(\.[0-9]*)?[a-z]+)+)");
typedef std::unordered_map<String, Duration> UnitMap;
const auto unit_map = UnitMap
{
{L"ms", Ms},
{L"s", Sec},
{L"m", Min},
{L"h", Hour}
};
}
Duration::Duration()
: milliseconds_(0)
{
}
Duration::Duration(long milliseconds)
: milliseconds_(milliseconds)
{
}
float Duration::Seconds() const
{
long sec = milliseconds_ / Sec.milliseconds_;
long ms = milliseconds_ % Sec.milliseconds_;
return static_cast<float>(sec) + static_cast<float>(ms) / 1000.f;
}
float Duration::Minutes() const
{
long min = milliseconds_ / Min.milliseconds_;
long ms = milliseconds_ % Min.milliseconds_;
return static_cast<float>(min) + static_cast<float>(ms) / (60 * 1000.f);
}
float Duration::Hours() const
{
long hour = milliseconds_ / Hour.milliseconds_;
long ms = milliseconds_ % Hour.milliseconds_;
return static_cast<float>(hour) + static_cast<float>(ms) / (60 * 60 * 1000.f);
}
String kiwano::time::Duration::ToString() const
{
if (IsZero())
{
return String(L"0s");
}
String result;
long total_ms = milliseconds_;
if (total_ms < 0)
{
result.append(L"-");
total_ms = -total_ms;
}
long hour = total_ms / Hour.milliseconds_;
long min = total_ms / Min.milliseconds_ - hour * 60;
long sec = total_ms / Sec.milliseconds_ - (hour * 60 * 60 + min * 60);
long ms = total_ms % Sec.milliseconds_;
if (hour)
{
result.append(String::parse(hour)).append(L"h");
result.append(String::parse(min)).append(L"m");
}
else if(min)
{
result.append(String::parse(min)).append(L"m");
}
if (ms != 0)
{
auto float_to_str = [](float val) -> String
{
wchar_t buf[10] = {};
::swprintf_s(buf, L"%g", val);
return String(buf);
};
result.append(float_to_str(static_cast<float>(sec) + static_cast<float>(ms) / 1000.f))
.append(L"s");
}
else if (sec != 0)
{
result.append(String::parse(sec)).append(L"s");
}
return result;
}
bool Duration::operator==(const Duration & other) const
{
return milliseconds_ == other.milliseconds_;
}
bool Duration::operator!=(const Duration & other) const
{
return milliseconds_ != other.milliseconds_;
}
bool Duration::operator>(const Duration & other) const
{
return milliseconds_ > other.milliseconds_;
}
bool Duration::operator>=(const Duration & other) const
{
return milliseconds_ >= other.milliseconds_;
}
bool Duration::operator<(const Duration & other) const
{
return milliseconds_ < other.milliseconds_;
}
bool Duration::operator<=(const Duration & other) const
{
return milliseconds_ <= other.milliseconds_;
}
float kiwano::time::Duration::operator/(const Duration & other) const
{
return static_cast<float>(milliseconds_) / other.milliseconds_;
}
const Duration Duration::operator+(const Duration & other) const
{
return Duration(milliseconds_ + other.milliseconds_);
}
const Duration Duration::operator-(const Duration & other) const
{
return Duration(milliseconds_ - other.milliseconds_);
}
const Duration Duration::operator-() const
{
return Duration(-milliseconds_);
}
const Duration Duration::operator*(int val) const
{
return Duration(milliseconds_ * val);
}
const Duration kiwano::time::Duration::operator*(unsigned long long val) const
{
return Duration(static_cast<long>(milliseconds_ * val));
}
const Duration Duration::operator*(float val) const
{
return Duration(static_cast<long>(milliseconds_ * val));
}
const Duration Duration::operator*(double val) const
{
return Duration(static_cast<long>(milliseconds_ * val));
}
const Duration Duration::operator*(long double val) const
{
return Duration(static_cast<long>(milliseconds_ * val));
}
const Duration Duration::operator/(int val) const
{
return Duration(milliseconds_ / val);
}
const Duration Duration::operator/(float val) const
{
return Duration(static_cast<long>(milliseconds_ / val));
}
const Duration Duration::operator/(double val) const
{
return Duration(static_cast<long>(milliseconds_ / val));
}
Duration & Duration::operator+=(const Duration &other)
{
milliseconds_ += other.milliseconds_;
return (*this);
}
Duration & Duration::operator-=(const Duration &other)
{
milliseconds_ -= other.milliseconds_;
return (*this);
}
Duration & Duration::operator*=(int val)
{
milliseconds_ *= val;
return (*this);
}
Duration & Duration::operator/=(int val)
{
milliseconds_ = static_cast<long>(milliseconds_ / val);
return (*this);
}
Duration & Duration::operator*=(float val)
{
milliseconds_ = static_cast<long>(milliseconds_ * val);
return (*this);
}
Duration & Duration::operator/=(float val)
{
milliseconds_ = static_cast<long>(milliseconds_ / val);
return (*this);
}
Duration & Duration::operator*=(double val)
{
milliseconds_ = static_cast<long>(milliseconds_ * val);
return (*this);
}
Duration & Duration::operator/=(double val)
{
milliseconds_ = static_cast<long>(milliseconds_ / val);
return (*this);
}
const Duration kiwano::time::operator*(int val, const Duration & dur)
{
return dur * val;
}
const Duration kiwano::time::operator/(int val, const Duration & dur)
{
return dur / val;
}
const Duration kiwano::time::operator*(float val, const Duration & dur)
{
return dur * val;
}
const Duration kiwano::time::operator/(float val, const Duration & dur)
{
return dur / val;
}
const Duration kiwano::time::operator*(double val, const Duration & dur)
{
return dur * val;
}
const Duration kiwano::time::operator/(double val, const Duration & dur)
{
return dur / val;
}
const Duration kiwano::time::operator*(long double val, const Duration & dur)
{
return dur * val;
}
Duration Duration::Parse(const String& str)
{
size_t len = str.length();
size_t pos = 0;
bool negative = false;
Duration d;
if (!std::regex_match(str.c_str(), duration_regex))
{
KGE_ERROR_LOG(L"Duration::Parse failed, invalid duration");
return Duration();
}
if (str.empty() || str == L"0") { return d; }
// <20><><EFBFBD><EFBFBD>λ
if (str[0] == L'-' || str[0] == L'+')
{
negative = (str[0] == L'-');
pos++;
}
while (pos < len)
{
// <20><>ֵ
size_t i = pos;
for (; i < len; ++i)
{
wchar_t ch = str[i];
if (!(ch == L'.' || L'0' <= ch && ch <= L'9'))
{
break;
}
}
String num_str = str.substr(pos, i - pos);
pos = i;
if (num_str.empty() || num_str == L".")
{
KGE_ERROR_LOG(L"Duration::Parse failed, invalid duration");
return Duration();
}
// <20><>λ
for (; i < len; ++i)
{
wchar_t ch = str[i];
if (ch == L'.' || L'0' <= ch && ch <= L'9')
{
break;
}
}
String unit_str = str.substr(pos, i - pos);
pos = i;
if (unit_map.find(unit_str) == unit_map.end())
{
KGE_ERROR_LOG(L"Duration::Parse failed, invalid duration");
return Duration();
}
double num = std::wcstod(num_str.c_str(), nullptr);
Duration unit = unit_map.at(unit_str);
d += unit * num;
}
if (negative)
{
d = -d;
}
return d;
}
}
}