Reorganized types registration code

lib/serializer/CSaveFile.cpp

@@ -0,0 +1,72 @@
+/*
+ * CSaveFile.cpp, part of VCMI engine
+ *
+ * Authors: listed in file AUTHORS in main folder
+ *
+ * License: GNU General Public License v2.0 or later
+ * Full text of license available in license.txt file, in main folder
+ *
+ */
+#include "StdInc.h"
+#include "CSaveFile.h"
+
+VCMI_LIB_NAMESPACE_BEGIN
+
+CSaveFile::CSaveFile(const boost::filesystem::path &fname)
+	: serializer(this)
+{
+	openNextFile(fname);
+}
+
+//must be instantiated in .cpp file for access to complete types of all member fields
+CSaveFile::~CSaveFile() = default;
+
+int CSaveFile::write(const void * data, unsigned size)
+{
+	sfile->write((char *)data,size);
+	return size;
+}
+
+void CSaveFile::openNextFile(const boost::filesystem::path &fname)
+{
+	fName = fname;
+	try
+	{
+		sfile = std::make_unique<std::fstream>(fname.c_str(), std::ios::out | std::ios::binary);
+		sfile->exceptions(std::ifstream::failbit | std::ifstream::badbit); //we throw a lot anyway
+
+		if(!(*sfile))
+			THROW_FORMAT("Error: cannot open to write %s!", fname);
+
+		sfile->write("VCMI",4); //write magic identifier
+		serializer & SERIALIZATION_VERSION; //write format version
+	}
+	catch(...)
+	{
+		logGlobal->error("Failed to save to %s", fname.string());
+		clear();
+		throw;
+	}
+}
+
+void CSaveFile::reportState(vstd::CLoggerBase * out)
+{
+	out->debug("CSaveFile");
+	if(sfile.get() && *sfile)
+	{
+		out->debug("\tOpened %s \tPosition: %d", fName, sfile->tellp());
+	}
+}
+
+void CSaveFile::clear()
+{
+	fName.clear();
+	sfile = nullptr;
+}
+
+void CSaveFile::putMagicBytes(const std::string &text)
+{
+	write(text.c_str(), static_cast<unsigned int>(text.length()));
+}
+
+VCMI_LIB_NAMESPACE_END