Tools: Moved db2 metadata structures to a location shared by all tools

src/common/DataStores/DB2FileSystemSource.cpp

@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "DB2FileSystemSource.h"
+#include <boost/filesystem/operations.hpp>
+
+DB2FileSystemSource::DB2FileSystemSource(std::string const& fileName)
+{
+    _fileName = fileName;
+    _file = fopen(_fileName.c_str(), "rb");
+}
+
+DB2FileSystemSource::~DB2FileSystemSource()
+{
+    if (_file)
+        fclose(_file);
+}
+
+bool DB2FileSystemSource::IsOpen() const
+{
+    return _file != nullptr;
+}
+
+bool DB2FileSystemSource::Read(void* buffer, std::size_t numBytes)
+{
+    return fread(buffer, numBytes, 1, _file) == 1;
+}
+
+std::size_t DB2FileSystemSource::GetPosition() const
+{
+    return ftell(_file);
+}
+
+std::size_t DB2FileSystemSource::GetFileSize() const
+{
+    boost::system::error_code error;
+    std::size_t size = boost::filesystem::file_size(_fileName, error);
+    return !error ? size : 0;
+}
+
+char const* DB2FileSystemSource::GetFileName() const
+{
+    return _fileName.c_str();
+}