Textractor_test/GUI/host/textthread.cpp
2019-01-28 07:25:58 -05:00

64 lines
2.1 KiB
C++

#include "textthread.h"
#include "const.h"
#include "text.h"
#include "host.h"
#include "util.h"
TextThread::TextThread(ThreadParam tp, HookParam hp, std::optional<std::wstring> name) :
handle(threadCounter++),
name(name.value_or(Util::StringToWideString(hp.name).value())),
tp(tp),
hp(hp)
{
CreateTimerQueueTimer(&timer, NULL, [](void* This, BOOLEAN) { ((TextThread*)This)->Flush(); }, this, 10, 10, WT_EXECUTELONGFUNCTION);
OnCreate(this);
}
TextThread::~TextThread()
{
OnDestroy(this);
}
void TextThread::AddSentence(const std::wstring& sentence)
{
queuedSentences->push_back(sentence);
}
void TextThread::Push(const BYTE* data, int len)
{
if (len < 0) return;
std::scoped_lock lock(bufferMutex);
BYTE doubleByteChar[2];
if (len == 1) // doublebyte characters must be processed as pairs
if (leadByte) std::tie(doubleByteChar[0], doubleByteChar[1], data, len, leadByte) = std::tuple(leadByte, data[0], doubleByteChar, 2, 0 );
else if (IsDBCSLeadByteEx(hp.codepage ? hp.codepage : Host::defaultCodepage, data[0])) std::tie(leadByte, len) = std::tuple(data[0], 0);
if (hp.type & USING_UNICODE) buffer += std::wstring((wchar_t*)data, len / 2);
else if (auto converted = Util::StringToWideString(std::string((char*)data, len), hp.codepage ? hp.codepage : Host::defaultCodepage)) buffer += converted.value();
else Host::AddConsoleOutput(INVALID_CODEPAGE);
lastPushTime = GetTickCount();
if (std::all_of(buffer.begin(), buffer.end(), [&](wchar_t c) { return repeatingChars.count(c) > 0; })) buffer.clear();
if (Util::RemoveRepetition(buffer)) // repetition detected, which means the entire sentence has already been received
{
repeatingChars = std::unordered_set(buffer.begin(), buffer.end());
AddSentence(buffer);
buffer.clear();
}
}
void TextThread::Flush()
{
std::vector<std::wstring> sentences;
queuedSentences->swap(sentences);
for (auto& sentence : sentences)
if (Output(this, sentence)) storage->append(sentence);
std::scoped_lock lock(bufferMutex);
if (buffer.empty()) return;
if (buffer.size() < maxBufferSize && GetTickCount() - lastPushTime < flushDelay) return;
AddSentence(buffer);
buffer.clear();
}