public IEnumerable <Song> GetSongs(string filename)
{
filename = Path.GetFullPath(filename);
if (!File.Exists(filename))
{
throw new FileNotFoundException("Cannot find VGM file", filename);
}
string json;
using (var p = new ProcessWrapper(
_multiDumperPath,
$"\"{filename}\" --json"))
{
json = string.Join("", p.Lines());
}
if (string.IsNullOrEmpty(json))
{
throw new Exception("Failed to get song data from MultiDumper");
}
// Extract metadata
// Example result:
// {
// "channels":[
// "SEGA PSG #0","SEGA PSG #1","SEGA PSG #2","SEGA PSG #3",
// "YM2413 #0","YM2413 #1","YM2413 #2","YM2413 #3","YM2413 #4","YM2413 #5","YM2413 #6",
// "YM2413 #7","YM2413 #8","YM2413 #9","YM2413 #10","YM2413 #11","YM2413 #12","YM2413 #13"],
// "containerinfo":
// {
// "copyright":"1988/08/14",
// "dumper":"sherpa",
// "game":"Golvellius - Valley of Doom",
// "system":"Sega Master System"
// },
// "songs":[
// {
// "author":"Masatomo Miyamoto, Takeshi Santo, Shin-kun, Pazu",
// "comment":"",
// "name":"Title Screen"
// }],
// "subsongCount":1
// }
dynamic metadata = JsonConvert.DeserializeObject(json);
var channels = metadata.channels.ToObject <List <string> >();
var songs = (JArray)metadata.songs;
var i = 0;
// This helps us reject any junk strings MultiDumper gives us for empty tags
string Clean(string s) => string.IsNullOrEmpty(s) || s.Any(char.IsControl) ? string.Empty : s;
return(songs.Cast <dynamic>().Select(s => new Song
{
Filename = filename,
Index = i++,
Name = Clean(s.name),
Author = Clean(s.author),
Channels = channels,
Comment = Clean(s.comment),
Copyright = Clean(metadata.containerinfo.copyright),
Dumper = Clean(metadata.containerinfo.dumper),
Game = Clean(metadata.containerinfo.game),
System = Clean(metadata.containerinfo.system)
}));
}