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