Fix p7zip compressed archive test for mac/linux

compressed_archive/unarr/compressed_archive.cpp

@@ -0,0 +1,105 @@
+#include "compressed_archive.h"
+
+#include <QFileInfo>
+#include <QDebug>
+
+#include "extract_delegate.h"
+
+extern"C" {
+#include "unarr.h"
+}
+
+CompressedArchive::CompressedArchive(const QString & filePath, QObject *parent) :
+    QObject(parent),valid(false),tools(true),numFiles(0),ar(NULL),stream(NULL)
+{
+	stream = ar_open_file(filePath.toStdString().c_str());
+	//try to open archive
+	ar = ar_open_rar_archive(stream);
+	if (!ar) ar = ar_open_zip_archive(stream, false);
+	//if (!ar) ar = ar_open_7z_archive(stream);
+	if (!ar) ar = ar_open_tar_archive(stream);
+	if (!ar)
+	{
+		return;
+	}
+	//initial parse
+	while (ar_parse_entry(ar)) 
+	{
+		numFiles++;
+		fileNames.append(ar_entry_get_name(ar));
+		offsets.append(ar_entry_get_offset(ar));
+	}
+	if (numFiles > 0)
+	{
+		valid = true;
+		tools = true;
+	}
+}
+
+CompressedArchive::~CompressedArchive()
+{
+	ar_close_archive(ar);
+	ar_close(stream);
+}
+
+QList<QString> CompressedArchive::getFileNames()
+{
+	return fileNames;
+}
+
+bool CompressedArchive::isValid()
+{
+	return valid;
+}
+
+bool CompressedArchive::toolsLoaded()
+{
+	return tools;
+}
+
+int CompressedArchive::getNumFiles()
+{
+	return numFiles;
+}
+
+void CompressedArchive::getAllData(const QVector<quint32> & indexes, ExtractDelegate * delegate)
+{
+	if (indexes.isEmpty())	
+		return;
+	
+	QByteArray buffer;
+	
+	int i=0;
+	while (i < indexes.count())
+	{
+		if (i==0)
+		{
+			ar_parse_entry_at(ar, offsets.at(indexes.at(0))); //set ar_entry to start of indexes
+		}
+		else
+		{
+			ar_parse_entry(ar);
+		}
+		buffer.resize(ar_entry_get_size(ar));
+		ar_entry_uncompress(ar, buffer.data(), buffer.size());
+		delegate->fileExtracted(indexes.at(i), buffer); //return extracted files :)
+		i++;
+	}
+}
+
+QByteArray CompressedArchive::getRawDataAtIndex(int index)
+{
+	QByteArray buffer;
+	if(index >= 0 && index < getNumFiles())
+	{
+		ar_parse_entry_at(ar, offsets.at(index));
+		while (ar_entry_get_size(ar)==0)
+		{
+			ar_parse_entry(ar);
+		}
+		buffer.resize(ar_entry_get_size(ar));
+		ar_entry_uncompress(ar, buffer.data(), buffer.size());
+		//return buffer;
+	}
+    return buffer;
+}