Textractor_test/extensions/util.h
2019-06-01 13:59:37 -04:00

31 lines
943 B
C++

#pragma once
#include "common.h"
class RateLimiter
{
public:
RateLimiter(int requests, int delay) : requestsLeft(requests), delay(delay) {}
bool Request() { CreateTimerQueueTimer(&DUMMY, timerQueue, [](void* This, BOOLEAN) { ((RateLimiter*)This)->requestsLeft += 1; }, this, delay, 0, 0); return --requestsLeft > 0; }
int delay;
private:
inline static HANDLE DUMMY;
std::atomic<int> requestsLeft;
AutoHandle<Functor<DeleteTimerQueue>> timerQueue = CreateTimerQueue();
};
inline std::wstring StringToWideString(const std::string& text)
{
std::vector<wchar_t> buffer(text.size() + 1);
MultiByteToWideChar(CP_UTF8, 0, text.c_str(), -1, buffer.data(), buffer.size());
return buffer.data();
}
inline std::string WideStringToString(const std::wstring& text)
{
std::vector<char> buffer((text.size() + 1) * 4);
WideCharToMultiByte(CP_UTF8, 0, text.c_str(), -1, buffer.data(), buffer.size(), nullptr, nullptr);
return buffer.data();
}