72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
// textthread.cc
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// 8/24/2013 jichi
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// Branch IHF/TextThread.cpp, rev 133
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#include "textthread.h"
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#include "host.h"
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#include "const.h"
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TextThread::TextThread(ThreadParam tp, HookParam hp, std::wstring name) : handle(threadCounter++), name(name), tp(tp), hp(hp) {}
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TextThread::~TextThread()
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{
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SetEvent(deletionEvent);
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flushThread.join();
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CloseHandle(deletionEvent);
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}
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std::wstring TextThread::GetStorage()
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{
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LOCK(threadMutex);
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return storage;
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}
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void TextThread::AddSentence(std::wstring sentence)
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{
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// Dispatch to extensions occurs here. Don't hold mutex! Extensions might take a while!
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if (Output(this, sentence))
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{
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LOCK(threadMutex);
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storage += sentence;
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}
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}
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void TextThread::Push(const BYTE* data, int len)
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{
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if (len < 0) return;
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LOCK(threadMutex);
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buffer += hp.type & USING_UNICODE
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? std::wstring((wchar_t*)data, len / 2)
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: StringToWideString(std::string((char*)data, len), hp.codepage != 0 ? hp.codepage : defaultCodepage);
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if (std::all_of(buffer.begin(), buffer.end(), [&](wchar_t c) { return repeatingChars.count(c) > 0; })) buffer.clear();
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lastPushTime = GetTickCount();
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}
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bool TextThread::FilterRepetition(std::wstring& sentence)
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{
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wchar_t* end = sentence.data() + sentence.size();
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for (int len = sentence.size() / 3; len > 6; --len)
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if (wcsncmp(end - len * 3, end - len * 2, len) == 0 && wcsncmp(end - len * 3, end - len * 1, len) == 0)
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return true | FilterRepetition(sentence = end - len);
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return false;
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}
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void TextThread::Flush()
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{
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std::unique_lock locker(threadMutex);
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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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std::wstring sentence = buffer;
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buffer.clear();
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if (FilterRepetition(sentence)) repeatingChars = std::unordered_set(sentence.begin(), sentence.end());
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else repeatingChars.clear();
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locker.unlock();
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AddSentence(sentence);
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}
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}
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// EOF
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