factored parser code out of msf

src/msf/msf_parse.h

@@ -0,0 +1,27 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+#ifndef MSF_PARSE_H
+#define MSF_PARSE_H
+
+////////////////////////////////
+//~ rjf: MSF Parser Helper Types
+
+typedef struct MSF_Parsed MSF_Parsed;
+struct MSF_Parsed
+{
+  String8 *streams;
+  U64 stream_count;
+  U64 block_size;
+  U64 block_count;
+};
+
+#define MSF_MAX_MAGIC_SIZE Min(sizeof(msf_msf20_magic), sizeof(msf_msf70_magic))
+
+////////////////////////////////
+//~ rjf: MSF Parser Functions
+
+internal MSF_Parsed* msf_parsed_from_data(Arena *arena, String8 msf_data);
+internal String8     msf_data_from_stream(MSF_Parsed *msf, MSF_StreamNumber sn);
+
+#endif // MSF_PARSE_H