forked from Public-Mirror/Textractor
66 lines
2.5 KiB
C++
66 lines
2.5 KiB
C++
#include "extensions.h"
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static std::optional<Extension> LoadExtension(QString extenName)
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{
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// Extension is dll and exports "OnNewSentence"
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HMODULE module = GetModuleHandleW(extenName.toStdWString().c_str());
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if (!module) module = LoadLibraryW(extenName.toStdWString().c_str());
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if (!module) return {};
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FARPROC callback = GetProcAddress(module, "OnNewSentence");
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if (!callback) return {};
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return Extension{ extenName, (wchar_t*(*)(const wchar_t*, const InfoForExtension*))callback };
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}
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void Extension::Load(QString extenName)
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{
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std::unique_lock<std::shared_mutex> extenLock(extenMutex);
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if (auto extension = LoadExtension(extenName)) extensions.push_back(extension.value());
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}
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void Extension::SendToBack(QString extenName)
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{
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std::unique_lock<std::shared_mutex> extenLock(extenMutex);
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Extension* extenIter = std::find_if(extensions.begin(), extensions.end(), [&](Extension extension) { return extension.name == extenName; });
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Extension extension = *extenIter;
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extensions.erase(extenIter);
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extensions.push_back(extension);
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}
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void Extension::Unload(QString extenName)
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{
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std::unique_lock<std::shared_mutex> extenLock(extenMutex);
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extensions.erase(std::find_if(extensions.begin(), extensions.end(), [&](Extension extension) { return extension.name == extenName; }));
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FreeLibrary(GetModuleHandleW(extenName.toStdWString().c_str()));
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}
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QVector<QString> Extension::GetNames()
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{
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QVector<QString> ret;
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for (auto extension : extensions) ret.push_back(extension.name);
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return ret;
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}
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bool Extension::DispatchSentence(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo)
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{
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bool success = true;
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wchar_t* sentenceBuffer = (wchar_t*)HeapAlloc(GetProcessHeap(), 0, (sentence.size() + 1) * sizeof(wchar_t));
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wcscpy_s(sentenceBuffer, sentence.size() + 1, sentence.c_str());
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InfoForExtension miscInfoLinkedList{ "", 0, nullptr };
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InfoForExtension* miscInfoTraverser = &miscInfoLinkedList;
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for (auto& i : miscInfo) miscInfoTraverser = miscInfoTraverser->next = new InfoForExtension{ i.first.c_str(), i.second, nullptr };
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std::shared_lock<std::shared_mutex> extenLock(extenMutex);
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for (auto extension : extensions)
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{
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wchar_t* nextBuffer = extension.callback(sentenceBuffer, &miscInfoLinkedList);
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if (nextBuffer == nullptr) { success = false; break; }
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if (nextBuffer != sentenceBuffer) HeapFree(GetProcessHeap(), 0, sentenceBuffer);
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sentenceBuffer = nextBuffer;
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}
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sentence = std::wstring(sentenceBuffer);
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HeapFree(GetProcessHeap(), 0, sentenceBuffer);
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return success;
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}
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