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SabreTools/SabreTools.Serialization/ClrMamePro.cs

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using System.Collections.Generic;
using System.IO;
using System.Text;
using SabreTools.IO.Readers;
using SabreTools.Models.ClrMamePro;
namespace SabreTools.Serialization
{
/// <summary>
/// Serializer for ClrMamePro metadata files
/// </summary>
public class ClrMamePro
{
/// <summary>
/// Deserializes a ClrMamePro metadata file to the defined type
/// </summary>
/// <param name="path">Path to the file to deserialize</param>
/// <returns>Deserialized data on success, null on failure</returns>
public static MetadataFile? Deserialize(string path)
{
try
{
using var stream = PathProcessor.OpenStream(path);
return Deserialize(stream);
}
catch
{
// TODO: Handle logging the exception
return default;
}
}
/// <summary>
/// Deserializes a ClrMamePro metadata file in a stream to the defined type
/// </summary>
/// <param name="stream">Stream to deserialize</param>
/// <returns>Deserialized data on success, null on failure</returns>
public static MetadataFile? Deserialize(Stream? stream)
{
try
{
// If the stream is null
if (stream == null)
return default;
// Setup the reader and output
var reader = new ClrMameProReader(stream, Encoding.UTF8);
var dat = new MetadataFile();
// Loop through and parse out the values
string lastTopLevel = reader.TopLevel;
GameBase? game = null;
var games = new List<GameBase?>();
var items = new List<ItemBase?>();
var additional = new List<string>();
var headerAdditional = new List<string>();
var gameAdditional = new List<string>();
var itemAdditional = new List<string>();
while (!reader.EndOfStream)
{
// If we have no next line
if (!reader.ReadNextLine())
break;
// Ignore certain row types
switch (reader.RowType)
{
case CmpRowType.None:
case CmpRowType.Comment:
continue;
case CmpRowType.EndTopLevel:
switch (lastTopLevel)
{
case "doscenter":
dat.ClrMamePro.ADDITIONAL_ELEMENTS = headerAdditional.ToArray();
headerAdditional.Clear();
break;
case "game":
case "machine":
case "resource":
case "set":
game.Item = items.ToArray();
game.ADDITIONAL_ELEMENTS = gameAdditional.ToArray();
games.Add(game);
game = null;
items.Clear();
gameAdditional.Clear();
break;
default:
// No-op
break;
}
continue;
}
// If we're at the root
if (reader.RowType == CmpRowType.TopLevel)
{
lastTopLevel = reader.TopLevel;
switch (reader.TopLevel)
{
case "clrmamepro":
dat.ClrMamePro = new Models.ClrMamePro.ClrMamePro();
break;
case "game":
game = new Game();
break;
case "machine":
game = new Machine();
break;
case "resource":
game = new Resource();
break;
case "set":
game = new Set();
break;
default:
additional.Add(reader.CurrentLine);
break;
}
}
// If we're in the doscenter block
else if (reader.TopLevel == "clrmamepro" && reader.RowType == CmpRowType.Standalone)
{
// Create the block if we haven't already
dat.ClrMamePro ??= new Models.ClrMamePro.ClrMamePro();
switch (reader.Standalone?.Key?.ToLowerInvariant())
{
case "name":
dat.ClrMamePro.Name = reader.Standalone?.Value;
break;
case "description":
dat.ClrMamePro.Description = reader.Standalone?.Value;
break;
case "rootdir":
dat.ClrMamePro.RootDir = reader.Standalone?.Value;
break;
case "category":
dat.ClrMamePro.Category = reader.Standalone?.Value;
break;
case "version":
dat.ClrMamePro.Version = reader.Standalone?.Value;
break;
case "date":
dat.ClrMamePro.Date = reader.Standalone?.Value;
break;
case "author":
dat.ClrMamePro.Author = reader.Standalone?.Value;
break;
case "homepage":
dat.ClrMamePro.Homepage = reader.Standalone?.Value;
break;
case "url":
dat.ClrMamePro.Url = reader.Standalone?.Value;
break;
case "comment":
dat.ClrMamePro.Comment = reader.Standalone?.Value;
break;
case "header":
dat.ClrMamePro.Header = reader.Standalone?.Value;
break;
case "type":
dat.ClrMamePro.Type = reader.Standalone?.Value;
break;
case "forcemerging":
dat.ClrMamePro.ForceMerging = reader.Standalone?.Value;
break;
case "forcezipping":
dat.ClrMamePro.ForceZipping = reader.Standalone?.Value;
break;
case "forcepacking":
dat.ClrMamePro.ForcePacking = reader.Standalone?.Value;
break;
default:
headerAdditional.Add(item: reader.CurrentLine);
break;
}
}
// If we're in a game, machine, resource, or set block
else if ((reader.TopLevel == "game"
|| reader.TopLevel == "machine"
|| reader.TopLevel == "resource"
|| reader.TopLevel == "set")
&& reader.RowType == CmpRowType.Standalone)
{
// Create the block if we haven't already
game ??= reader.TopLevel switch
{
"game" => new Game(),
"machine" => new Machine(),
"resource" => new Resource(),
"set" => new Set(),
_ => null,
};
switch (reader.Standalone?.Key?.ToLowerInvariant())
{
case "name":
game.Name = reader.Standalone?.Value;
break;
case "description":
game.Description = reader.Standalone?.Value;
break;
case "year":
game.Year = reader.Standalone?.Value;
break;
case "manufacturer":
game.Manufacturer = reader.Standalone?.Value;
break;
case "category":
game.Category = reader.Standalone?.Value;
break;
case "cloneof":
game.CloneOf = reader.Standalone?.Value;
break;
case "romof":
game.RomOf = reader.Standalone?.Value;
break;
case "sampleof":
game.SampleOf = reader.Standalone?.Value;
break;
default:
gameAdditional.Add(item: reader.CurrentLine);
break;
}
}
// If we're in an item block
else if (reader.TopLevel == "game" && reader.RowType == CmpRowType.Internal)
{
// Create the block
switch (reader.InternalName)
{
case "release":
var release = new Release();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
release.Name = kvp.Value;
break;
case "region":
release.Region = kvp.Value;
break;
case "language":
release.Language = kvp.Value;
break;
case "date":
release.Date = kvp.Value;
break;
case "default":
release.Default = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the release to the list
release.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(release);
itemAdditional.Clear();
break;
case "biosset":
var biosset = new BiosSet();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
biosset.Name = kvp.Value;
break;
case "description":
biosset.Description = kvp.Value;
break;
case "default":
biosset.Default = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the biosset to the list
biosset.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(biosset);
itemAdditional.Clear();
break;
case "rom":
var rom = new Rom();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
rom.Name = kvp.Value;
break;
case "size":
rom.Size = kvp.Value;
break;
case "crc":
rom.CRC = kvp.Value;
break;
case "md5":
rom.MD5 = kvp.Value;
break;
case "sha1":
rom.SHA1 = kvp.Value;
break;
case "sha256":
rom.SHA256 = kvp.Value;
break;
case "sha384":
rom.SHA384 = kvp.Value;
break;
case "sha512":
rom.SHA512 = kvp.Value;
break;
case "spamsum":
rom.SpamSum = kvp.Value;
break;
case "xxh3_64":
rom.xxHash364 = kvp.Value;
break;
case "xxh3_128":
rom.xxHash3128 = kvp.Value;
break;
case "merge":
rom.Merge = kvp.Value;
break;
case "status":
rom.Status = kvp.Value;
break;
case "flags":
rom.Flags = kvp.Value;
break;
case "serial":
rom.Serial = kvp.Value;
break;
case "header":
rom.Header = kvp.Value;
break;
case "date":
rom.Date = kvp.Value;
break;
case "inverted":
rom.Inverted = kvp.Value;
break;
case "mia":
rom.MIA = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the rom to the list
rom.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(rom);
itemAdditional.Clear();
break;
case "disk":
var disk = new Disk();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
disk.Name = kvp.Value;
break;
case "md5":
disk.MD5 = kvp.Value;
break;
case "sha1":
disk.SHA1 = kvp.Value;
break;
case "merge":
disk.Merge = kvp.Value;
break;
case "status":
disk.Status = kvp.Value;
break;
case "flags":
disk.Flags = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the disk to the list
disk.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(disk);
itemAdditional.Clear();
break;
case "media":
var media = new Media();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
media.Name = kvp.Value;
break;
case "md5":
media.MD5 = kvp.Value;
break;
case "sha1":
media.SHA1 = kvp.Value;
break;
case "sha256":
media.SHA256 = kvp.Value;
break;
case "spamsum":
media.SpamSum = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the media to the list
media.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(media);
itemAdditional.Clear();
break;
case "sample":
var sample = new Sample();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
sample.Name = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the sample to the list
sample.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(sample);
itemAdditional.Clear();
break;
case "archive":
var archive = new Archive();
foreach (var kvp in reader.Internal)
{
switch (kvp.Key?.ToLowerInvariant())
{
case "name":
archive.Name = kvp.Value;
break;
default:
itemAdditional.Add(item: reader.CurrentLine);
break;
}
}
// Add the archive to the list
archive.ADDITIONAL_ELEMENTS = itemAdditional.ToArray();
items.Add(archive);
itemAdditional.Clear();
break;
default:
gameAdditional.Add(reader.CurrentLine);
continue;
}
}
else
{
additional.Add(item: reader.CurrentLine);
}
}
// Add extra pieces and return
dat.Game = games.ToArray();
dat.ADDITIONAL_ELEMENTS = additional.ToArray();
return dat;
}
catch
{
// TODO: Handle logging the exception
return default;
}
}
}
}