NOISSUE refactor and rearrange zip file utils

application/MainWindow.cpp

@@ -323,7 +323,7 @@ namespace Ui {
 #include <QShortcut>
 #include <QFileDialog>
 
-#include <JlCompress.h>
+#include <MMCZip.h>
 
 #include "osutils.h"
 #include "userutils.h"
@@ -1095,7 +1095,7 @@ void MainWindow::instanceFromZipPack(QString instName, QString instGroup, QStrin
 	QTemporaryDir extractTmpDir;
 	QDir extractDir(extractTmpDir.path());
 	qDebug() << "Attempting to create instance from" << archivePath;
-	if (JlCompress::extractDir(archivePath, extractDir.absolutePath()).isEmpty())
+	if (MMCZip::extractDir(archivePath, extractDir.absolutePath()).isEmpty())
 	{
 		CustomMessageBox::selectable(this, tr("Error"),
 										tr("Failed to extract modpack"), QMessageBox::Warning)->show();
@@ -1471,92 +1471,6 @@ void MainWindow::on_actionDeleteInstance_triggered()
 	}
 }
 
-#include <pathutils.h>
-
-bool compressSubDir(QuaZip* zip, QString dir, QString origDir, QString prefix)
-{
-	if (!zip) return false;
-	if (zip->getMode()!=QuaZip::mdCreate && zip->getMode()!=QuaZip::mdAppend && zip->getMode()!=QuaZip::mdAdd)
-	{
-		return false;
-	}
-
-	QDir directory(dir);
-	if (!directory.exists()) return false;
-
-	QDir origDirectory(origDir);
-	if (dir != origDir)
-	{
-		QuaZipFile dirZipFile(zip);
-		auto dirPrefix = PathCombine(prefix, origDirectory.relativeFilePath(dir)) + "/";
-		if (!dirZipFile.open(QIODevice::WriteOnly, QuaZipNewInfo(dirPrefix, dir), 0, 0, 0))
-		{
-			return false;
-		}
-		dirZipFile.close();
-	}
-
-	QFileInfoList files = directory.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot | QDir::Hidden);
-	for (auto file: files)
-	{
-		if(!compressSubDir(zip,file.absoluteFilePath(),origDir, prefix))
-		{
-			return false;
-		}
-	}
-
-	files = directory.entryInfoList(QDir::Files);
-	for (auto file: files)
-	{
-		if(!file.isFile())
-		{
-			continue;
-		}
-
-		if(file.absoluteFilePath()==zip->getZipName())
-		{
-			continue;
-		}
-
-		QString filename = origDirectory.relativeFilePath(file.absoluteFilePath());
-		if(prefix.size())
-		{
-			filename = PathCombine(prefix, filename);
-		}
-		if (!JlCompress::compressFile(zip,file.absoluteFilePath(),filename))
-		{
-			return false;
-		}
-	}
-
-	return true;
-}
-
-bool compressDir(QString zipFile, QString dir, QString prefix = QString())
-{
-	QuaZip zip(zipFile);
-	QDir().mkpath(QFileInfo(zipFile).absolutePath());
-	if(!zip.open(QuaZip::mdCreate))
-	{
-		QFile::remove(zipFile);
-		return false;
-	}
-
-	QSet<QString> added;
-	if (!compressSubDir(&zip,dir,dir,prefix))
-	{
-		QFile::remove(zipFile);
-		return false;
-	}
-	zip.close();
-	if(zip.getZipError()!=0)
-	{
-		QFile::remove(zipFile);
-		return false;
-	}
-	return true;
-}
-
 void MainWindow::on_actionExportInstance_triggered()
 {
 	if (m_selectedInstance)
@@ -1580,7 +1494,7 @@ void MainWindow::on_actionExportInstance_triggered()
 			}
 		}
 
-		if (!compressDir(output, m_selectedInstance->instanceRoot(), name))
+		if (!MMCZip::compressDir(output, m_selectedInstance->instanceRoot(), name))
 		{
 			QMessageBox::warning(this, tr("Error"), tr("Unable to export instance"));
 		}

logic/CMakeLists.txt

@@ -15,6 +15,8 @@ SET(LOGIC_SOURCES
 	BaseInstance.cpp
 	NullInstance.h
 	MMCError.h
+	MMCZip.h
+	MMCZip.cpp
 
 	# WARNING: globals live here
 	Env.h
@@ -101,8 +103,6 @@ SET(LOGIC_SOURCES
 	minecraft/LwjglVersionList.cpp
 	minecraft/SkinUtils.h
 	minecraft/SkinUtils.cpp
-	minecraft/JarUtils.h
-	minecraft/JarUtils.cpp
 	minecraft/GradleSpecifier.h
 	minecraft/MinecraftProfile.cpp
 	minecraft/MinecraftProfile.h

logic/MMCZip.cpp

@@ -0,0 +1,332 @@
+/*
+Copyright (C) 2010 Roberto Pompermaier
+Copyright (C) 2005-2014 Sergey A. Tachenov
+
+Parts of this file were part of QuaZIP.
+
+QuaZIP is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 of the License, or
+(at your option) any later version.
+
+QuaZIP is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with QuaZIP.  If not, see <http://www.gnu.org/licenses/>.
+
+See COPYING file for the full LGPL text.
+
+Original ZIP package is copyrighted by Gilles Vollant and contributors,
+see quazip/(un)MMCZip.h files for details. Basically it's the zlib license.
+*/
+
+#include <pathutils.h>
+#include <quazip.h>
+#include <JlCompress.h>
+#include "MMCZip.h"
+
+#include <QDebug>
+
+bool copyData(QIODevice &inFile, QIODevice &outFile)
+{
+	while (!inFile.atEnd())
+	{
+		char buf[4096];
+		qint64 readLen = inFile.read(buf, 4096);
+		if (readLen <= 0)
+			return false;
+		if (outFile.write(buf, readLen) != readLen)
+			return false;
+	}
+	return true;
+}
+
+QStringList MMCZip::extractDir(QString fileCompressed, QString dir)
+{
+	return JlCompress::extractDir(fileCompressed, dir);
+}
+
+bool compressFile(QuaZip *zip, QString fileName, QString fileDest)
+{
+	if (!zip)
+	{
+		return false;
+	}
+	if (zip->getMode() != QuaZip::mdCreate && zip->getMode() != QuaZip::mdAppend &&
+		zip->getMode() != QuaZip::mdAdd)
+	{
+		return false;
+	}
+
+	QFile inFile;
+	inFile.setFileName(fileName);
+	if (!inFile.open(QIODevice::ReadOnly))
+	{
+		return false;
+	}
+
+	QuaZipFile outFile(zip);
+	if (!outFile.open(QIODevice::WriteOnly, QuaZipNewInfo(fileDest, inFile.fileName())))
+	{
+		return false;
+	}
+
+	if (!copyData(inFile, outFile) || outFile.getZipError() != UNZ_OK)
+	{
+		return false;
+	}
+
+	outFile.close();
+	if (outFile.getZipError() != UNZ_OK)
+	{
+		return false;
+	}
+	inFile.close();
+
+	return true;
+}
+
+bool MMCZip::compressSubDir(QuaZip* zip, QString dir, QString origDir, QSet<QString>& added,  QString prefix)
+{
+	if (!zip) return false;
+	if (zip->getMode()!=QuaZip::mdCreate && zip->getMode()!=QuaZip::mdAppend && zip->getMode()!=QuaZip::mdAdd)
+	{
+		return false;
+	}
+
+	QDir directory(dir);
+	if (!directory.exists())
+	{
+		return false;
+	}
+
+	QDir origDirectory(origDir);
+	if (dir != origDir)
+	{
+		QuaZipFile dirZipFile(zip);
+		auto dirPrefix = PathCombine(prefix, origDirectory.relativeFilePath(dir)) + "/";
+		if (!dirZipFile.open(QIODevice::WriteOnly, QuaZipNewInfo(dirPrefix, dir), 0, 0, 0))
+		{
+			return false;
+		}
+		dirZipFile.close();
+	}
+
+	QFileInfoList files = directory.entryInfoList(QDir::AllDirs | QDir::NoDotAndDotDot | QDir::Hidden);
+	for (auto file: files)
+	{
+		if(!file.isDir())
+		{
+			continue;
+		}
+		if(!compressSubDir(zip,file.absoluteFilePath(),origDir, added, prefix))
+		{
+			return false;
+		}
+	}
+
+	files = directory.entryInfoList(QDir::Files);
+	for (auto file: files)
+	{
+		if(!file.isFile())
+		{
+			continue;
+		}
+
+		if(file.absoluteFilePath()==zip->getZipName())
+		{
+			continue;
+		}
+
+		QString filename = origDirectory.relativeFilePath(file.absoluteFilePath());
+		if(prefix.size())
+		{
+			filename = PathCombine(prefix, filename);
+		}
+		added.insert(filename);
+		if (!compressFile(zip,file.absoluteFilePath(),filename))
+		{
+			return false;
+		}
+	}
+
+	return true;
+}
+
+bool MMCZip::mergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString> &contained,
+				   std::function<bool(QString)> filter)
+{
+	QuaZip modZip(from.filePath());
+	modZip.open(QuaZip::mdUnzip);
+
+	QuaZipFile fileInsideMod(&modZip);
+	QuaZipFile zipOutFile(into);
+	for (bool more = modZip.goToFirstFile(); more; more = modZip.goToNextFile())
+	{
+		QString filename = modZip.getCurrentFileName();
+		if (!filter(filename))
+		{
+			qDebug() << "Skipping file " << filename << " from "
+						<< from.fileName() << " - filtered";
+			continue;
+		}
+		if (contained.contains(filename))
+		{
+			qDebug() << "Skipping already contained file " << filename << " from "
+						<< from.fileName();
+			continue;
+		}
+		contained.insert(filename);
+
+		if (!fileInsideMod.open(QIODevice::ReadOnly))
+		{
+			qCritical() << "Failed to open " << filename << " from " << from.fileName();
+			return false;
+		}
+
+		QuaZipNewInfo info_out(fileInsideMod.getActualFileName());
+
+		if (!zipOutFile.open(QIODevice::WriteOnly, info_out))
+		{
+			qCritical() << "Failed to open " << filename << " in the jar";
+			fileInsideMod.close();
+			return false;
+		}
+		if (!copyData(fileInsideMod, zipOutFile))
+		{
+			zipOutFile.close();
+			fileInsideMod.close();
+			qCritical() << "Failed to copy data of " << filename << " into the jar";
+			return false;
+		}
+		zipOutFile.close();
+		fileInsideMod.close();
+	}
+	return true;
+}
+
+bool MMCZip::createModdedJar(QString sourceJarPath, QString targetJarPath, const QList<Mod>& mods)
+{
+	QuaZip zipOut(targetJarPath);
+	if (!zipOut.open(QuaZip::mdCreate))
+	{
+		QFile::remove(targetJarPath);
+		qCritical() << "Failed to open the minecraft.jar for modding";
+		return false;
+	}
+	// Files already added to the jar.
+	// These files will be skipped.
+	QSet<QString> addedFiles;
+
+	// Modify the jar
+	QListIterator<Mod> i(mods);
+    i.toBack();
+    while (i.hasPrevious())
+	{
+		const Mod &mod = i.previous();
+		// do not merge disabled mods.
+		if (!mod.enabled())
+			continue;
+		if (mod.type() == Mod::MOD_ZIPFILE)
+		{
+			if (!mergeZipFiles(&zipOut, mod.filename(), addedFiles, noFilter))
+			{
+				zipOut.close();
+				QFile::remove(targetJarPath);
+				qCritical() << "Failed to add" << mod.filename().fileName() << "to the jar.";
+				return false;
+			}
+		}
+		else if (mod.type() == Mod::MOD_SINGLEFILE)
+		{
+			auto filename = mod.filename();
+			if (!compressFile(&zipOut, filename.absoluteFilePath(),
+										  filename.fileName()))
+			{
+				zipOut.close();
+				QFile::remove(targetJarPath);
+				qCritical() << "Failed to add" << mod.filename().fileName() << "to the jar.";
+				return false;
+			}
+			addedFiles.insert(filename.fileName());
+		}
+		else if (mod.type() == Mod::MOD_FOLDER)
+		{
+			auto filename = mod.filename();
+			QString what_to_zip = filename.absoluteFilePath();
+			QDir dir(what_to_zip);
+			dir.cdUp();
+			QString parent_dir = dir.absolutePath();
+			if (!compressSubDir(&zipOut, what_to_zip, parent_dir, addedFiles))
+			{
+				zipOut.close();
+				QFile::remove(targetJarPath);
+				qCritical() << "Failed to add" << mod.filename().fileName() << "to the jar.";
+				return false;
+			}
+			qDebug() << "Adding folder " << filename.fileName() << " from "
+						<< filename.absoluteFilePath();
+		}
+	}
+
+	if (!mergeZipFiles(&zipOut, QFileInfo(sourceJarPath), addedFiles, metaInfFilter))
+	{
+		zipOut.close();
+		QFile::remove(targetJarPath);
+		qCritical() << "Failed to insert minecraft.jar contents.";
+		return false;
+	}
+
+	// Recompress the jar
+	zipOut.close();
+	if (zipOut.getZipError() != 0)
+	{
+		QFile::remove(targetJarPath);
+		qCritical() << "Failed to finalize minecraft.jar!";
+		return false;
+	}
+	return true;
+}
+
+bool MMCZip::noFilter(QString)
+{
+	return true;
+}
+
+bool MMCZip::metaInfFilter(QString key)
+{
+	if(key.contains("META-INF"))
+	{
+		return false;
+	}
+	return true;
+}
+
+bool MMCZip::compressDir(QString zipFile, QString dir, QString prefix)
+{
+	QuaZip zip(zipFile);
+	QDir().mkpath(QFileInfo(zipFile).absolutePath());
+	if(!zip.open(QuaZip::mdCreate))
+	{
+		QFile::remove(zipFile);
+		return false;
+	}
+
+	QSet<QString> added;
+	if (!compressSubDir(&zip, dir, dir, added, prefix))
+	{
+		QFile::remove(zipFile);
+		return false;
+	}
+	zip.close();
+	if(zip.getZipError()!=0)
+	{
+		QFile::remove(zipFile);
+		return false;
+	}
+	return true;
+}
+

logic/MMCZip.h

@@ -0,0 +1,57 @@
+#pragma once
+
+#include <QString>
+#include <QFileInfo>
+#include <QSet>
+#include "minecraft/Mod.h"
+#include <functional>
+
+class QuaZip;
+
+namespace MMCZip
+{
+    /**
+	 * Compress a subdirectory.
+	 * \param parentZip Opened zip containing the parent directory.
+	 * \param dir The full path to the directory to pack.
+	 * \param parentDir The full path to the directory corresponding to the root of the ZIP.
+	 * \param recursive Whether to pack sub-directories as well or only files.
+	 * \return true if success, false otherwise.
+     */
+	bool compressSubDir(QuaZip* zip, QString dir, QString origDir, QSet<QString>& added, QString prefix = QString());
+
+	/**
+	 * Compress a whole directory.
+	 * \param fileCompressed The name of the archive.
+	 * \param dir The directory to compress.
+	 * \param recursive Whether to pack the subdirectories as well, or just regular files.
+	 * \return true if success, false otherwise.
+	 */
+	bool compressDir(QString zipFile, QString dir, QString prefix = QString());
+
+	/// filter function for @mergeZipFiles - passthrough
+	bool noFilter(QString key);
+
+	/// filter function for @mergeZipFiles - ignores METAINF
+	bool metaInfFilter(QString key);
+
+	/**
+	 * Merge two zip files, using a filter function
+	 */
+	bool mergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString> &contained, std::function<bool(QString)> filter);
+
+	/**
+	 * take a source jar, add mods to it, resulting in target jar
+	 */
+	bool createModdedJar(QString sourceJarPath, QString targetJarPath, const QList<Mod>& mods);
+
+	/**
+	 * Extract a whole archive.
+	 *
+	 * \param fileCompressed The name of the archive.
+	 * \param dir The directory to extract to, the current directory if
+	 * left empty.
+	 * \return The list of the full paths of the files extracted, empty on failure.
+	 */
+    QStringList extractDir(QString fileCompressed, QString dir = QString());
+}

logic/minecraft/JarUtils.cpp

@@ -1,158 +0,0 @@
-#include "minecraft/JarUtils.h"
-#include <quazip.h>
-#include <quazipfile.h>
-#include <JlCompress.h>
-#include <QDebug>
-
-namespace JarUtils {
-
-bool mergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString> &contained,
-				   std::function<bool(QString)> filter)
-{
-	QuaZip modZip(from.filePath());
-	modZip.open(QuaZip::mdUnzip);
-
-	QuaZipFile fileInsideMod(&modZip);
-	QuaZipFile zipOutFile(into);
-	for (bool more = modZip.goToFirstFile(); more; more = modZip.goToNextFile())
-	{
-		QString filename = modZip.getCurrentFileName();
-		if (!filter(filename))
-		{
-			qDebug() << "Skipping file " << filename << " from "
-						<< from.fileName() << " - filtered";
-			continue;
-		}
-		if (contained.contains(filename))
-		{
-			qDebug() << "Skipping already contained file " << filename << " from "
-						<< from.fileName();
-			continue;
-		}
-		contained.insert(filename);
-
-		if (!fileInsideMod.open(QIODevice::ReadOnly))
-		{
-			qCritical() << "Failed to open " << filename << " from " << from.fileName();
-			return false;
-		}
-
-		QuaZipNewInfo info_out(fileInsideMod.getActualFileName());
-
-		if (!zipOutFile.open(QIODevice::WriteOnly, info_out))
-		{
-			qCritical() << "Failed to open " << filename << " in the jar";
-			fileInsideMod.close();
-			return false;
-		}
-		if (!JlCompress::copyData(fileInsideMod, zipOutFile))
-		{
-			zipOutFile.close();
-			fileInsideMod.close();
-			qCritical() << "Failed to copy data of " << filename << " into the jar";
-			return false;
-		}
-		zipOutFile.close();
-		fileInsideMod.close();
-	}
-	return true;
-}
-
-bool createModdedJar(QString sourceJarPath, QString targetJarPath, const QList<Mod>& mods)
-{
-	QuaZip zipOut(targetJarPath);
-	if (!zipOut.open(QuaZip::mdCreate))
-	{
-		QFile::remove(targetJarPath);
-		qCritical() << "Failed to open the minecraft.jar for modding";
-		return false;
-	}
-	// Files already added to the jar.
-	// These files will be skipped.
-	QSet<QString> addedFiles;
-
-	// Modify the jar
-	QListIterator<Mod> i(mods);
-    i.toBack();
-    while (i.hasPrevious())
-	{
-		const Mod &mod = i.previous();
-		// do not merge disabled mods.
-		if (!mod.enabled())
-			continue;
-		if (mod.type() == Mod::MOD_ZIPFILE)
-		{
-			if (!mergeZipFiles(&zipOut, mod.filename(), addedFiles, noFilter))
-			{
-				zipOut.close();
-				QFile::remove(targetJarPath);
-				qCritical() << "Failed to add" << mod.filename().fileName() << "to the jar.";
-				return false;
-			}
-		}
-		else if (mod.type() == Mod::MOD_SINGLEFILE)
-		{
-			auto filename = mod.filename();
-			if (!JlCompress::compressFile(&zipOut, filename.absoluteFilePath(),
-										  filename.fileName()))
-			{
-				zipOut.close();
-				QFile::remove(targetJarPath);
-				qCritical() << "Failed to add" << mod.filename().fileName() << "to the jar.";
-				return false;
-			}
-			addedFiles.insert(filename.fileName());
-		}
-		else if (mod.type() == Mod::MOD_FOLDER)
-		{
-			auto filename = mod.filename();
-			QString what_to_zip = filename.absoluteFilePath();
-			QDir dir(what_to_zip);
-			dir.cdUp();
-			QString parent_dir = dir.absolutePath();
-			if (!JlCompress::compressSubDir(&zipOut, what_to_zip, parent_dir, true, addedFiles))
-			{
-				zipOut.close();
-				QFile::remove(targetJarPath);
-				qCritical() << "Failed to add" << mod.filename().fileName() << "to the jar.";
-				return false;
-			}
-			qDebug() << "Adding folder " << filename.fileName() << " from "
-						<< filename.absoluteFilePath();
-		}
-	}
-
-	if (!mergeZipFiles(&zipOut, QFileInfo(sourceJarPath), addedFiles, metaInfFilter))
-	{
-		zipOut.close();
-		QFile::remove(targetJarPath);
-		qCritical() << "Failed to insert minecraft.jar contents.";
-		return false;
-	}
-
-	// Recompress the jar
-	zipOut.close();
-	if (zipOut.getZipError() != 0)
-	{
-		QFile::remove(targetJarPath);
-		qCritical() << "Failed to finalize minecraft.jar!";
-		return false;
-	}
-	return true;
-}
-
-bool noFilter(QString)
-{
-	return true;
-}
-
-bool metaInfFilter(QString key)
-{
-	if(key.contains("META-INF"))
-	{
-		return false;
-	}
-	return true;
-}
-
-}

logic/minecraft/JarUtils.h

@@ -1,18 +0,0 @@
-#pragma once
-#include <QString>
-#include <QFileInfo>
-#include <QSet>
-#include "Mod.h"
-#include <functional>
-
-class QuaZip;
-namespace JarUtils
-{
-	bool noFilter(QString);
-	bool metaInfFilter(QString key);
-
-	bool mergeZipFiles(QuaZip *into, QFileInfo from, QSet<QString> &contained,
-				   std::function<bool(QString)> filter);
-
-	bool createModdedJar(QString sourceJarPath, QString targetJarPath, const QList<Mod>& mods);
-}

logic/minecraft/LegacyUpdate.cpp

@@ -17,14 +17,13 @@
 #include <pathutils.h>
 #include <quazip.h>
 #include <quazipfile.h>
-#include <JlCompress.h>
 #include <QDebug>
 
 #include "Env.h"
 #include "BaseInstance.h"
 #include "net/URLConstants.h"
+#include "MMCZip.h"
 
-#include "minecraft/JarUtils.h"
 #include "minecraft/LegacyUpdate.h"
 #include "minecraft/LwjglVersionList.h"
 #include "minecraft/MinecraftVersionList.h"
@@ -455,7 +454,7 @@ void LegacyUpdate::ModTheJar()
 	QString outputJarPath = runnableJar.filePath();
 	QString inputJarPath = baseJar.filePath();
 
-	if(!JarUtils::createModdedJar(inputJarPath, outputJarPath, modList))
+	if(!MMCZip::createModdedJar(inputJarPath, outputJarPath, modList))
 	{
 		emitFailed(tr("Failed to create the custom Minecraft jar file."));
 		return;

logic/minecraft/OneSixInstance.cpp

@@ -25,6 +25,7 @@
 #include "minecraft/VersionBuildError.h"
 #include "minecraft/MinecraftProcess.h"
 #include "minecraft/OneSixProfileStrategy.h"
+#include "MMCZip.h"
 
 #include "minecraft/AssetsUtils.h"
 #include "icons/IconList.h"

logic/minecraft/OneSixUpdate.cpp

@@ -33,7 +33,7 @@
 #include "forge/ForgeMirrors.h"
 #include "net/URLConstants.h"
 #include "minecraft/AssetsUtils.h"
-#include "minecraft/JarUtils.h"
+#include "MMCZip.h"
 
 OneSixUpdate::OneSixUpdate(OneSixInstance *inst, QObject *parent) : Task(parent), m_inst(inst)
 {
@@ -320,7 +320,7 @@ void OneSixUpdate::jarlibFinished()
 		auto metacache = ENV.metacache();
 		auto entry = metacache->resolveEntry("versions", localPath);
 		QString fullJarPath = entry->getFullPath();
-		if(!JarUtils::createModdedJar(sourceJarPath, finalJarPath, jarMods))
+		if(!MMCZip::createModdedJar(sourceJarPath, finalJarPath, jarMods))
 		{
 			emitFailed(tr("Failed to create the custom Minecraft jar file."));
 			return;

quazip.patch

@@ -30,162 +30,3 @@ Index: quazip/CMakeLists.txt
 
  install(FILES ${PUBLIC_HEADERS} DESTINATION include/quazip)
  install(TARGETS quazip LIBRARY DESTINATION ${LIB_DESTINATION} ARCHIVE DESTINATION ${LIB_DESTINATION} RUNTIME DESTINATION ${LIB_DESTINATION})
-Index: quazip/JlCompress.cpp
-===================================================================
---- quazip/JlCompress.cpp	(revision 250)
-+++ quazip/JlCompress.cpp	(working copy)
-@@ -26,7 +26,7 @@
- #include "JlCompress.h"
- #include <QDebug>
- 
--static bool copyData(QIODevice &inFile, QIODevice &outFile)
-+bool JlCompress::copyData(QIODevice &inFile, QIODevice &outFile)
- {
-     while (!inFile.atEnd()) {
-         char buf[4096];
-@@ -100,7 +100,7 @@
-  * dunque gli errori di compressione di una sotto cartella sono gli stessi di questa
-  * funzione.
-  */
--bool JlCompress::compressSubDir(QuaZip* zip, QString dir, QString origDir, bool recursive) {
-+bool JlCompress::compressSubDir(QuaZip* zip, QString dir, QString origDir, bool recursive, QSet<QString>& added) {
-     // zip: oggetto dove aggiungere il file
-     // dir: cartella reale corrente
-     // origDir: cartella reale originale
-@@ -133,7 +133,7 @@
-         QFileInfoList files = directory.entryInfoList(QDir::AllDirs|QDir::NoDotAndDotDot);
-         Q_FOREACH (QFileInfo file, files) {
-             // Comprimo la sotto cartella
--            if(!compressSubDir(zip,file.absoluteFilePath(),origDir,recursive)) return false;
-+			if(!compressSubDir(zip,file.absoluteFilePath(),origDir,recursive,added)) return false;
-         }
-     }
- 
-@@ -148,6 +148,7 @@
- 
-         // Comprimo il file
-         if (!compressFile(zip,file.absoluteFilePath(),filename)) return false;
-+		added.insert(filename);
-     }
- 
-     return true;
-@@ -344,8 +345,9 @@
-         return false;
-     }
- 
-+	QSet<QString> added;
-     // Aggiungo i file e le sotto cartelle
--    if (!compressSubDir(&zip,dir,dir,recursive)) {
-+	if (!compressSubDir(&zip,dir,dir,recursive,added)) {
-         QFile::remove(fileCompressed);
-         return false;
-     }
-@@ -437,6 +439,53 @@
-     return extracted;
- }
- 
-+QStringList JlCompress::extractWithExceptions(QString fileCompressed, QString dir, QStringList exceptions)
-+{
-+	QuaZip zip(fileCompressed);
-+	if(!zip.open(QuaZip::mdUnzip))
-+	{
-+		return QStringList();
-+	}
-+
-+	QDir directory(dir);
-+	QStringList extracted;
-+	if (!zip.goToFirstFile())
-+	{
-+		return QStringList();
-+	}
-+	do
-+	{
-+		QString name = zip.getCurrentFileName();
-+		bool ok = true;
-+		for(auto str: exceptions)
-+		{
-+			if(name.startsWith(str))
-+			{
-+				ok = false;
-+				break;
-+			}
-+		}
-+		if(!ok)
-+			continue;
-+		QString absFilePath = directory.absoluteFilePath(name);
-+		if (!JlCompress::extractFile(&zip, "", absFilePath))
-+		{
-+			JlCompress::removeFile(extracted);
-+			return QStringList();
-+		}
-+		extracted.append(absFilePath);
-+	} while (zip.goToNextFile());
-+
-+	zip.close();
-+	if(zip.getZipError()!=0)
-+	{
-+		JlCompress::removeFile(extracted);
-+		return QStringList();
-+	}
-+
-+	return extracted;
-+}
-+
- /**OK
-  * Estrae il file fileCompressed nella cartella dir.
-  * Se dir = "" allora il file viene estratto nella cartella corrente.
-Index: quazip/JlCompress.h
-===================================================================
---- quazip/JlCompress.h	(revision 250)
-+++ quazip/JlCompress.h	(working copy)
-@@ -40,7 +40,7 @@
-   simple operations, such as mass ZIP packing or extraction.
-   */
- class QUAZIP_EXPORT JlCompress {
--private:
-+public:
-     /// Compress a single file.
-     /**
-       \param zip Opened zip to compress the file to.
-@@ -59,7 +59,7 @@
-       files.
-       \return true if success, false otherwise.
-       */
--    static bool compressSubDir(QuaZip* parentZip, QString dir, QString parentDir, bool recursive = true);
-+	static bool compressSubDir(QuaZip* parentZip, QString dir, QString parentDir, bool recursive, QSet<QString>& added);
-     /// Extract a single file.
-     /**
-       \param zip The opened zip archive to extract from.
-@@ -68,6 +68,7 @@
-       \return true if success, false otherwise.
-       */
-     static bool extractFile(QuaZip* zip, QString fileName, QString fileDest);
-+private:
-     /// Remove some files.
-     /**
-       \param listFile The list of files to remove.
-@@ -76,6 +77,8 @@
-     static bool removeFile(QStringList listFile);
- 
- public:
-+	/// copy data from inFile to outFile
-+	static bool copyData(QIODevice &inFile, QIODevice &outFile);
-     /// Compress a single file.
-     /**
-       \param fileCompressed The name of the archive.
-@@ -127,6 +130,15 @@
-       \return The list of the full paths of the files extracted, empty on failure.
-       */
-     static QStringList extractDir(QString fileCompressed, QString dir = QString());
-+	/// Extract a whole archive, with a list of exceptions (prefixes to ignore).
-+	/**
-+	  \param fileCompressed The name of the archive.
-+	  \param dir The directory to extract to, the current directory if
-+	  left empty.
-+	  \param exceptions The list of exception prefixes
-+	  \return The list of the full paths of the files extracted, empty on failure.
-+	  */
-+	static QStringList extractWithExceptions(QString fileCompressed, QString dir, QStringList exceptions);
-     /// Get the file list.
-     /**
-       \return The list of the files in the archive, or, more precisely, the