Add basic serialization functions for ElvData.

1 files changed, 46 insertions, 0 deletions

diff --git a/c/data.cpp b/c/data.cpp
new file mode 100644
index 0000000..e28378e
--- /dev/null
+++ b/c/data.cpp
@@ -0,0 +1,46 @@
+#include <memory>
+
+#include "data.h"
+
+template <typename T>
+inline unsigned char* ValToBuf(const T& val, unsigned char* const buf)
+{
+	memcpy(buf, &val, sizeof(val));
+	return buf+sizeof(val);
+}
+
+template <typename T>
+inline unsigned char* BufToVal(unsigned char* const buf, T& val)
+{
+	memcpy(&val, buf, sizeof(val));
+	return buf+sizeof(val);
+}
+
+unsigned char* Serialize(const ElvData& e, unsigned char* buf)
+{
+	unsigned char version = 'a';
+	buf = ValToBuf(version, buf);
+	buf = ValToBuf(e.rating, buf);
+	buf = ValToBuf(e.bWatched, buf);
+	buf = ValToBuf(e.bTVOriginal, buf);
+	buf = ValToBuf(e.sRating, buf);
+	buf = ValToBuf(e.siEp, buf);
+	buf = ValToBuf(e.title, buf);
+	return buf;
+}
+
+unsigned char* Unserialize(ElvData& e, unsigned char* buf)
+{
+	unsigned char version;
+	buf = BufToVal(buf, version);
+	if (version != 'a')
+		return nullptr;
+
+	buf = BufToVal(buf, e.rating);
+	buf = BufToVal(buf, e.bWatched);
+	buf = BufToVal(buf, e.bTVOriginal);
+	buf = BufToVal(buf, e.sRating);
+	buf = BufToVal(buf, e.siEp);
+	buf = BufToVal(buf, e.title);
+	return buf;
+}