66 lines
1.7 KiB
C++
66 lines
1.7 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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#include <regex>
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#include <algorithm>
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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::Flush()
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{
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std::wstring sentence;
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{
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LOCK(threadMutex);
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if (buffer.empty()) return;
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if (buffer.size() < maxBufferSize && GetTickCount() - timestamp < flushDelay) return;
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sentence = buffer;
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buffer.clear();
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bool hasRepetition = false;
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for (std::wsmatch results; std::regex_search(sentence, results, std::wregex(L"([^\\x00]{6,})\\1\\1")); hasRepetition = true) sentence = results[1];
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if (hasRepetition) repeatingChars = std::unordered_set<wchar_t>(sentence.begin(), sentence.end());
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else repeatingChars.clear();
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}
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AddSentence(sentence);
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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::AddText(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 : DEFAULT_CODEPAGE);
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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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timestamp = GetTickCount();
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}
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// EOF
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