refactor extensions some and let user rearrange them

GUI/extensions.cpp

@@ -1,34 +1,46 @@
 #include "extensions.h"
-#include <shared_mutex>
-#include <QDir>
 
-std::optional<Extension> LoadExtension(QString file)
+static std::optional<Extension> LoadExtension(QString extenName)
 {
-	// Extension file format: {NUMBER}_{NAME}.dll and exports "OnNewSentence"
-	QRegularExpressionMatch parsedFile = QRegularExpression("^(\\d+)_(.+).dll$").match(file);
-	if (!parsedFile.hasMatch()) return {};
-	HMODULE module = GetModuleHandleW(file.toStdWString().c_str());
-	if (!module) module = LoadLibraryW(file.toStdWString().c_str());
+	// Extension is dll and exports "OnNewSentence"
+	HMODULE module = GetModuleHandleW(extenName.toStdWString().c_str());
+	if (!module) module = LoadLibraryW(extenName.toStdWString().c_str());
 	if (!module) return {};
 	FARPROC callback = GetProcAddress(module, "OnNewSentence");
 	if (!callback) return {};
-	return Extension{ parsedFile.captured(1).toInt(), parsedFile.captured(2), (wchar_t*(*)(const wchar_t*, const InfoForExtension*))callback };
+	return Extension{ extenName, (wchar_t*(*)(const wchar_t*, const InfoForExtension*))callback };
 }
 
-std::shared_mutex extenMutex;
-std::set<Extension> extensions;
-
-std::set<Extension> LoadExtensions()
+void Extension::Load(QString extenName)
 {
-	std::set<Extension> newExtensions;
-	QStringList files = QDir().entryList();
-	for (auto file : files)
-		if (auto extension = LoadExtension(file)) newExtensions.insert(extension.value());
 	std::unique_lock<std::shared_mutex> extenLock(extenMutex);
-	return extensions = newExtensions;
+	if (auto extension = LoadExtension(extenName)) extensions.push_back(extension.value());
 }
 
-bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo)
+void Extension::SendToBack(QString extenName)
+{
+	std::unique_lock<std::shared_mutex> extenLock(extenMutex);
+	Extension* extenIter = std::find_if(extensions.begin(), extensions.end(), [&](Extension extension) { return extension.name == extenName; });
+	Extension extension = *extenIter;
+	extensions.erase(extenIter);
+	extensions.push_back(extension);
+}
+
+void Extension::Unload(QString extenName)
+{
+	std::unique_lock<std::shared_mutex> extenLock(extenMutex);
+	extensions.erase(std::find_if(extensions.begin(), extensions.end(), [&](Extension extension) { return extension.name == extenName; }));
+	FreeLibrary(GetModuleHandleW(extenName.toStdWString().c_str()));
+}
+
+QVector<QString> Extension::GetNames()
+{
+	QVector<QString> ret;
+	for (auto extension : extensions) ret.push_back(extension.name);
+	return ret;
+}
+
+bool Extension::DispatchSentence(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo)
 {
 	bool success = true;
 	wchar_t* sentenceBuffer = (wchar_t*)HeapAlloc(GetProcessHeap(), 0, (sentence.size() + 1) * sizeof(wchar_t));
@@ -51,16 +63,3 @@ bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<std
 	HeapFree(GetProcessHeap(), 0, sentenceBuffer);
 	return success;
 }
-
-void UnloadExtension(int extenNumber)
-{
-	std::unique_lock<std::shared_mutex> extenLock(extenMutex);
-	if (extensions.find({ extenNumber }) == extensions.end()) return;
-	QString extenFileName = QString::number(extenNumber) + "_" + extensions.find({ extenNumber })->name + ".dll";
-	FreeLibrary(GetModuleHandleW(extenFileName.toStdWString().c_str()));
-	QString removedFileName = extenFileName;
-	removedFileName.remove(0, removedFileName.indexOf("_"));
-	QFile::remove(removedFileName);
-	if (!QFile::rename(extenFileName, removedFileName)) QFile::remove(extenFileName);
-	extensions.erase(extensions.find({ extenNumber }));
-}

GUI/extensions.h

@@ -2,7 +2,7 @@
 #define EXTENSIONS_H
 
 #include "qtcommon.h"
-#include <set>
+#include <shared_mutex>
 
 struct InfoForExtension
 {
@@ -12,16 +12,21 @@ struct InfoForExtension
 	~InfoForExtension() { if (next) delete next; };
 };
 
-struct Extension
+class Extension
 {
-	int number;
+public:
+	static bool DispatchSentence(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo);
+	static void Load(QString extenName);
+	static void SendToBack(QString extenName);
+	static void Unload(QString extenName);
+	static QVector<QString> GetNames();
+
 	QString name;
-	wchar_t*(*callback)(const wchar_t*, const InfoForExtension*);
-	bool operator<(const Extension& other) const { return number < other.number; }
+	wchar_t* (*callback)(const wchar_t*, const InfoForExtension*);
+
+private:
+	inline static std::shared_mutex extenMutex;
+	inline static QVector<Extension> extensions;
 };
 
-std::set<Extension> LoadExtensions();
-bool DispatchSentenceToExtensions(std::wstring& sentence, std::unordered_map<std::string, int64_t> miscInfo);
-void UnloadExtension(int extenNumber);
-
 #endif // EXTENSIONS_H

GUI/mainwindow.cpp

@@ -11,24 +11,36 @@ MainWindow::MainWindow(QWidget *parent) :
 	ui(new Ui::MainWindow)
 {
 	ui->setupUi(this);
-	if (settings.contains("Window")) this->setGeometry(settings.value("Window").toRect());
-	// TODO: add GUI for changing these
-	if (settings.contains("Flush_Delay")) TextThread::flushDelay = settings.value("Flush_Delay").toInt();
-	if (settings.contains("Max_Buffer_Size")) TextThread::maxBufferSize = settings.value("Max_Buffer_Size").toInt();
 
 	processCombo = findChild<QComboBox*>("processCombo");
 	ttCombo = findChild<QComboBox*>("ttCombo");
 	extenCombo = findChild<QComboBox*>("extenCombo");
 	textOutput = findChild<QPlainTextEdit*>("textOutput");
 
+	QFile extenSaveFile("Extensions.txt");
+	if (extenSaveFile.exists())
+	{
+		extenSaveFile.open(QIODevice::ReadOnly);
+		for (auto extenName : QString(extenSaveFile.readAll()).split(">")) Extension::Load(extenName);
+	}
+	else
+	{
+		for (auto file : QDir().entryList())
+			if (file.endsWith(".dll") && file != "vnrhook.dll") Extension::Load(file.left(file.lastIndexOf(".dll")));
+	}
+	ReloadExtensions();
+
+	if (settings.contains("Window")) this->setGeometry(settings.value("Window").toRect());
+	// TODO: add GUI for changing these
+	if (settings.contains("Flush_Delay")) TextThread::flushDelay = settings.value("Flush_Delay").toInt();
+	if (settings.contains("Max_Buffer_Size")) TextThread::maxBufferSize = settings.value("Max_Buffer_Size").toInt();
+
 	connect(this, &MainWindow::SigAddProcess, this, &MainWindow::AddProcess);
 	connect(this, &MainWindow::SigRemoveProcess, this, &MainWindow::RemoveProcess);
 	connect(this, &MainWindow::SigAddThread, this, &MainWindow::AddThread);
 	connect(this, &MainWindow::SigRemoveThread, this, &MainWindow::RemoveThread);
 	connect(this, &MainWindow::SigThreadOutput, this, &MainWindow::ThreadOutput);
 
-	ReloadExtensions();
-
 	Host::Start(
 		[&](DWORD processId) { emit SigAddProcess(processId); },
 		[&](DWORD processId) { emit SigRemoveProcess(processId); },
@@ -53,7 +65,7 @@ void MainWindow::AddProcess(unsigned processId)
 {
 	processCombo->addItem(QString::number(processId, 16).toUpper() + ": " + GetModuleName(processId));
 	QFile file("SavedHooks.txt");
-	if (!file.open(QIODevice::ReadOnly)) return;
+	file.open(QIODevice::ReadOnly);
 	QString processName = GetFullModuleName(processId);
 	QStringList allProcesses = QString(file.readAll()).split("\r", QString::SkipEmptyParts);
 	for (auto hooks = allProcesses.rbegin(); hooks != allProcesses.rend(); ++hooks)
@@ -105,7 +117,7 @@ void MainWindow::ThreadOutput(TextThread* thread, QString output)
 
 bool MainWindow::ProcessThreadOutput(TextThread* thread, std::wstring& output)
 {
-	if (DispatchSentenceToExtensions(output, GetInfoForExtensions(thread)))
+	if (Extension::DispatchSentence(output, GetInfoForExtensions(thread)))
 	{
 		output += L"\r\n";
 		emit SigThreadOutput(thread, QString::fromStdWString(output));
@@ -140,7 +152,13 @@ DWORD MainWindow::GetSelectedProcessId()
 void MainWindow::ReloadExtensions()
 {
 	extenCombo->clear();
-	for (auto extension : LoadExtensions()) extenCombo->addItem(QString::number(extension.number) + ": " + extension.name);
+	QFile extenSaveFile("Extensions.txt");
+	extenSaveFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
+	for (auto extenName : Extension::GetNames())
+	{
+		extenSaveFile.write((extenName + ">").toUtf8());
+		extenCombo->addItem(extenName);
+	}
 }
 
 std::unordered_map<std::string, int64_t> MainWindow::GetInfoForExtensions(TextThread* thread)
@@ -226,7 +244,7 @@ void MainWindow::on_saveButton_clicked()
 		if (!(hook.type & HOOK_ENGINE))
 			hookList += " , " + GenerateCode(hook, GetSelectedProcessId());
 	QFile file("SavedHooks.txt");
-	if (!file.open(QIODevice::Append | QIODevice::Text)) return;
+	file.open(QIODevice::Append);
 	file.write((hookList + "\r\n").toUtf8());
 }
 
@@ -238,17 +256,25 @@ void MainWindow::on_ttCombo_activated(int index)
 
 void MainWindow::on_addExtenButton_clicked()
 {
-	QString extenFileName = QFileDialog::getOpenFileName(this, "Select Extension dll", "C:\\", "Extensions (*.dll)");
+	QString extenFileName = QFileDialog::getOpenFileName(this, "Select Extension", "C:\\", "Extensions (*.dll)");
 	if (!extenFileName.size()) return;
-	QString extenName = extenFileName.split("/")[extenFileName.split("/").count() - 1];
-	QString copyTo = QString::number(extenCombo->itemText(extenCombo->count() - 1).split(":")[0].toInt() + 1) + "_" + extenName;
-	QFile::copy(extenFileName, copyTo);
+	QString extenName = extenFileName.mid(extenFileName.lastIndexOf("/") + 1);
+	QFile::copy(extenFileName, extenName);
+	Extension::Load(extenName.left(extenName.lastIndexOf(".dll")));
 	ReloadExtensions();
 }
 
+void MainWindow::on_moveExtenButton_clicked()
+{
+	if (extenCombo->currentText() == "") return;
+	Extension::SendToBack(extenCombo->currentText());
+	ReloadExtensions();
+	Host::AddConsoleOutput(L"extension sent to back");
+}
+
 void MainWindow::on_rmvExtenButton_clicked()
 {
 	if (extenCombo->currentText() == "") return;
-	UnloadExtension(extenCombo->currentText().split(":")[0].toInt());
+	Extension::Unload(extenCombo->currentText());
 	ReloadExtensions();
 }

GUI/mainwindow.h

@@ -2,11 +2,11 @@
 #define MAINWINDOW_H
 
 #include "qtcommon.h"
+#include "host/host.h"
 #include <QMainWindow>
 #include <QPlainTextEdit>
 #include <QComboBox>
 #include <QSettings>
-#include "host/host.h"
 
 namespace Ui
 {
@@ -41,6 +41,7 @@ private slots:
 	void on_hookButton_clicked();
 	void on_saveButton_clicked();
 	void on_addExtenButton_clicked();
+	void on_moveExtenButton_clicked();
 	void on_rmvExtenButton_clicked();
 
 private:

GUI/mainwindow.ui

@@ -216,6 +216,13 @@ QPushButton, QComboBox
             </property>
            </widget>
           </item>
+          <item>
+           <widget class="QPushButton" name="moveExtenButton">
+            <property name="text">
+             <string>Move extension</string>
+            </property>
+           </widget>
+          </item>
           <item>
            <widget class="QPushButton" name="rmvExtenButton">
             <property name="text">

deploy.ps1

@@ -1,4 +1,31 @@
 cd Builds/RelWithDebInfo/x86;
-Compress-Archive -Force -Path "Textractor.exe","styles","platforms","Qt5Core.dll","Qt5Gui.dll","Qt5Widgets.dll","vnrhook.dll","256_Remove Repetition.dll","512_Copy to Clipboard.dll","1024_Bing Translate.dll","2048_Extra Newlines.dll" -DestinationPath Textractor;
+Compress-Archive -Force -DestinationPath Textractor -Path @(
+	"Textractor.exe",
+	"styles",
+	"platforms",
+	"Qt5Core.dll",
+	"Qt5Gui.dll",
+	"Qt5Widgets.dll",
+	"vnrhook.dll",
+	"Remove Repetition.dll",
+	"Copy to Clipboard.dll",
+	"Bing Translate.dll",
+	"Extra Newlines.dll",
+	"Extensions.txt"
+)
+
 cd ../x64;
-Compress-Archive -Force -Path "Textractor.exe","styles","platforms","Qt5Core.dll","Qt5Gui.dll","Qt5Widgets.dll","vnrhook.dll","256_Remove Repetition.dll","512_Copy to Clipboard.dll","1024_Bing Translate.dll","2048_Extra Newlines.dll" -DestinationPath Textractor;
+Compress-Archive -Force -DestinationPath Textractor -Path @(
+	"Textractor.exe",
+	"styles",
+	"platforms",
+	"Qt5Core.dll",
+	"Qt5Gui.dll",
+	"Qt5Widgets.dll",
+	"vnrhook.dll",
+	"Remove Repetition.dll",
+	"Copy to Clipboard.dll",
+	"Bing Translate.dll",
+	"Extra Newlines.dll",
+	"Extensions.txt"
+)

extensions/CMakeLists.txt

@@ -4,9 +4,9 @@ find_qt5(Core Widgets)
 
 cmake_policy(SET CMP0037 OLD)
 
-add_library(256_Remove\ Repetition SHARED removerepeat.cpp extensionimpl.cpp)
-add_library(512_Copy\ to\ Clipboard SHARED copyclipboard.cpp extensionimpl.cpp)
-add_library(1024_Bing\ Translate SHARED bingtranslate.cpp extensionimpl.cpp)
-add_library(2048_Extra\ Newlines SHARED extranewlines.cpp extensionimpl.cpp)
+add_library(Remove\ Repetition SHARED removerepeat.cpp extensionimpl.cpp)
+add_library(Copy\ to\ Clipboard SHARED copyclipboard.cpp extensionimpl.cpp)
+add_library(Bing\ Translate SHARED bingtranslate.cpp extensionimpl.cpp)
+add_library(Extra\ Newlines SHARED extranewlines.cpp extensionimpl.cpp)
 
-target_link_libraries(1024_Bing\ Translate winhttp.lib Qt5::Widgets)
+target_link_libraries(Bing\ Translate winhttp.lib Qt5::Widgets)