/// <summary>
/// Read header information
/// </summary>
/// <param name="jtr">JsonTextReader to use to parse the header</param>
private void ReadHeader(JsonTextReader jtr)
{
// If the reader is invalid, skip
if (jtr == null)
{
return;
}
// Read in the header and apply any new fields
jtr.Read();
JsonSerializer js = new JsonSerializer();
DatHeader header = js.Deserialize <DatHeader>(jtr);
Header.ConditionalCopy(header);
}
/// <summary>
/// Parse a character-separated value DAT and return all found games and roms within
/// </summary>
/// <param name="filename">Name of the file to be parsed</param>
/// <param name="indexId">Index ID for the DAT</param>
/// <param name="keep">True if full pathnames are to be kept, false otherwise (default)</param>
/// <param name="throwOnError">True if the error that is thrown should be thrown back to the caller, false otherwise</param>
protected override void ParseFile(string filename, int indexId, bool keep, bool throwOnError = false)
{
// Open a file reader
Encoding enc = FileExtensions.GetEncoding(filename);
SeparatedValueReader svr = new SeparatedValueReader(FileExtensions.TryOpenRead(filename), enc)
{
Header = true,
Quotes = true,
Separator = _delim,
VerifyFieldCount = true,
};
// If we're somehow at the end of the stream already, we can't do anything
if (svr.EndOfStream)
{
return;
}
// Read in the header
svr.ReadHeader();
// Loop through all of the data lines
while (!svr.EndOfStream)
{
try
{
// Get the current line, split and parse
svr.ReadNextLine();
// Create mapping dictionary
var mappings = new Dictionary <Field, string>();
// Now we loop through and get values for everything
for (int i = 0; i < svr.HeaderValues.Count; i++)
{
Field key = svr.HeaderValues[i].AsField();
string value = svr.Line[i];
mappings[key] = value;
}
// Set DatHeader fields
DatHeader header = new DatHeader();
header.SetFields(mappings);
Header.ConditionalCopy(header);
// Set Machine and DatItem fields
if (mappings.ContainsKey(Field.DatItem_Type))
{
DatItem datItem = DatItem.Create(mappings[Field.DatItem_Type].AsItemType());
datItem.SetFields(mappings);
datItem.Source = new Source(indexId, filename);
ParseAddHelper(datItem);
}
}
catch (Exception ex)
{
string message = $"'{filename}' - There was an error parsing line {svr.LineNumber} '{svr.CurrentLine}'";
logger.Error(ex, message);
if (throwOnError)
{
svr.Dispose();
throw new Exception(message, ex);
}
}
}
svr.Dispose();
}
/// <summary>
/// Overwrite local values from another DatHeader if not default
/// </summary>
/// <param name="datHeader">DatHeader to get the values from</param>
public void ConditionalCopy(DatHeader datHeader)
{
if (!string.IsNullOrWhiteSpace(datHeader.FileName))
{
FileName = datHeader.FileName;
}
if (!string.IsNullOrWhiteSpace(datHeader.Name))
{
Name = datHeader.Name;
}
if (!string.IsNullOrWhiteSpace(datHeader.Description))
{
Description = datHeader.Description;
}
if (!string.IsNullOrWhiteSpace(datHeader.RootDir))
{
RootDir = datHeader.RootDir;
}
if (!string.IsNullOrWhiteSpace(datHeader.Category))
{
Category = datHeader.Category;
}
if (!string.IsNullOrWhiteSpace(datHeader.Version))
{
Version = datHeader.Version;
}
if (!string.IsNullOrWhiteSpace(datHeader.Date))
{
Date = datHeader.Date;
}
if (!string.IsNullOrWhiteSpace(datHeader.Author))
{
Author = datHeader.Author;
}
if (!string.IsNullOrWhiteSpace(datHeader.Email))
{
Email = datHeader.Email;
}
if (!string.IsNullOrWhiteSpace(datHeader.Homepage))
{
Homepage = datHeader.Homepage;
}
if (!string.IsNullOrWhiteSpace(datHeader.Url))
{
Url = datHeader.Url;
}
if (!string.IsNullOrWhiteSpace(datHeader.Comment))
{
Comment = datHeader.Comment;
}
if (!string.IsNullOrWhiteSpace(datHeader.HeaderSkipper))
{
HeaderSkipper = datHeader.HeaderSkipper;
}
if (!string.IsNullOrWhiteSpace(datHeader.Type))
{
Type = datHeader.Type;
}
if (datHeader.ForceMerging != MergingFlag.None)
{
ForceMerging = datHeader.ForceMerging;
}
if (datHeader.ForceNodump != NodumpFlag.None)
{
ForceNodump = datHeader.ForceNodump;
}
if (datHeader.ForcePacking != PackingFlag.None)
{
ForcePacking = datHeader.ForcePacking;
}
if (datHeader.DatFormat != 0x00)
{
DatFormat = datHeader.DatFormat;
}
if (!string.IsNullOrWhiteSpace(datHeader.Prefix))
{
Prefix = datHeader.Prefix;
}
if (!string.IsNullOrWhiteSpace(datHeader.Postfix))
{
Postfix = datHeader.Postfix;
}
if (!string.IsNullOrWhiteSpace(datHeader.AddExtension))
{
AddExtension = datHeader.AddExtension;
}
if (!string.IsNullOrWhiteSpace(datHeader.ReplaceExtension))
{
ReplaceExtension = datHeader.ReplaceExtension;
}
RemoveExtension = datHeader.RemoveExtension;
InputDepot = datHeader.InputDepot?.Clone() as DepotInformation;
OutputDepot = datHeader.OutputDepot?.Clone() as DepotInformation;
GameName = datHeader.GameName;
Quotes = datHeader.Quotes;
UseRomName = datHeader.UseRomName;
}
/// <summary>
/// Parse an SabreDat XML DAT and return all found directories and files within
/// </summary>
/// <param name="filename">Name of the file to be parsed</param>
/// <param name="indexId">Index ID for the DAT</param>
/// <param name="keep">True if full pathnames are to be kept, false otherwise (default)</param>
/// <param name="throwOnError">True if the error that is thrown should be thrown back to the caller, false otherwise</param>
protected override void ParseFile(string filename, int indexId, bool keep, bool throwOnError = false)
{
// Prepare all internal variables
XmlReader xtr = filename.GetXmlTextReader();
// If we got a null reader, just return
if (xtr == null)
{
return;
}
// Otherwise, read the file to the end
try
{
xtr.MoveToContent();
while (!xtr.EOF)
{
// We only want elements
if (xtr.NodeType != XmlNodeType.Element)
{
xtr.Read();
continue;
}
switch (xtr.Name)
{
case "header":
XmlSerializer xs = new XmlSerializer(typeof(DatHeader));
DatHeader header = xs.Deserialize(xtr.ReadSubtree()) as DatHeader;
Header.ConditionalCopy(header);
xtr.Skip();
break;
case "directory":
ReadDirectory(xtr.ReadSubtree(), filename, indexId);
// Skip the directory node now that we've processed it
xtr.Read();
break;
default:
xtr.Read();
break;
}
}
}
catch (Exception ex)
{
logger.Warning(ex, $"Exception found while parsing '{filename}'");
if (throwOnError)
{
xtr.Dispose();
throw ex;
}
// For XML errors, just skip the affected node
xtr?.Read();
}
xtr.Dispose();
}
