81 lines
2.5 KiB
C++
81 lines
2.5 KiB
C++
#include "textthread.h"
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#include "host.h"
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#include "util.h"
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extern const wchar_t* INVALID_CODEPAGE;
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TextThread::TextThread(ThreadParam tp, HookParam hp, std::optional<std::wstring> name) :
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handle(threadCounter++),
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name(name.value_or(Util::StringToWideString(hp.name).value())),
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tp(tp),
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hp(hp)
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{}
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void TextThread::Start()
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{
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CreateTimerQueueTimer(&timer, NULL, [](void* This, BOOLEAN) { ((TextThread*)This)->Flush(); }, this, 10, 10, WT_EXECUTELONGFUNCTION);
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}
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void TextThread::Stop()
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{
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timer = NULL;
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}
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void TextThread::AddSentence(std::wstring&& sentence)
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{
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queuedSentences.push(std::move(sentence));
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}
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void TextThread::Push(BYTE* data, int length)
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{
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if (length < 0) return;
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std::scoped_lock lock(bufferMutex);
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BYTE doubleByteChar[2];
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if (length == 1) // doublebyte characters must be processed as pairs
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if (leadByte) std::tie(doubleByteChar[0], doubleByteChar[1], data, length, leadByte) = std::tuple(leadByte, data[0], doubleByteChar, 2, 0);
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else if (IsDBCSLeadByteEx(hp.codepage ? hp.codepage : Host::defaultCodepage, data[0])) std::tie(leadByte, length) = std::tuple(data[0], 0);
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if (hp.type & USING_UNICODE) buffer.append((wchar_t*)data, length / sizeof(wchar_t));
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else if (auto converted = Util::StringToWideString(std::string((char*)data, length), hp.codepage ? hp.codepage : Host::defaultCodepage)) buffer.append(converted.value());
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else Host::AddConsoleOutput(INVALID_CODEPAGE);
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lastPushTime = GetTickCount();
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if (filterRepetition)
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{
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if (std::all_of(buffer.begin(), buffer.end(), [&](auto ch) { return repeatingChars.find(ch) != repeatingChars.end(); })) buffer.clear();
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if (Util::RemoveRepetition(buffer)) // sentence repetition detected, which means the entire sentence has already been received
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{
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repeatingChars = std::unordered_set(buffer.begin(), buffer.end());
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AddSentence(std::move(buffer));
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buffer.clear();
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}
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}
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if (flushDelay == 0 && hp.type & USING_STRING)
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{
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AddSentence(std::move(buffer));
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buffer.clear();
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}
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}
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void TextThread::Flush()
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{
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if (storage->size() > 10'000'000) storage->erase(0, 8'000'000); // https://github.com/Artikash/Textractor/issues/127#issuecomment-486882983
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std::wstring sentence;
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while (queuedSentences.try_pop(sentence))
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{
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sentence.erase(std::remove(sentence.begin(), sentence.end(), L'\0'));
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if (Output(*this, sentence)) storage->append(sentence);
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}
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std::scoped_lock lock(bufferMutex);
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if (buffer.empty()) return;
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if (buffer.size() > maxBufferSize || GetTickCount() - lastPushTime > flushDelay)
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{
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AddSentence(std::move(buffer));
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buffer.clear();
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}
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}
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