/// <summary>
/// Parses string metadata, checking for invalid content.
/// </summary>
/// <param name="reader">A binary reader to use to get the data.</param>
/// <param name="payloadLength">Payload length of the metadata to parse, in bytes.</param>
/// <param name="allowLineBreaks">If <c>true</c>, line breaks are allowed in the string and preserved; otherwise, line breaks are considered invalid and a string containing one is rejected.</param>
/// <returns>The string as parsed. If invalid characters are found, an empty string is returned.</returns>
public static string ParseStringFromMetadata(this INTV.Core.Utility.BinaryReader reader, uint payloadLength, bool allowLineBreaks)
{
// PCLs only support UTF-8...
// LUIGI documentation indicates this could be ASCII or UTF-8 (LUIGI)...
// ROM metadata spec supports UTF-8 as of jzintv version 1843 and later. Let's hope we don't run into anything *too* weird.
var bytes = reader.ReadBytes((int)payloadLength);
var stringResult = System.Text.Encoding.UTF8.GetString(bytes, 0, bytes.Length).Trim('\0');
return(stringResult);
}
/// <inheritdoc />
protected override LuigiFileHeader GetMemo(string filePath, object data)
{
LuigiFileHeader luigiHeader = null;
try
{
using (var file = StreamUtilities.OpenFileStream(filePath))
{
var reader = new INTV.Core.Utility.BinaryReader(file);
byte[] header = reader.ReadBytes(MagicKey.Length);
if (header.SequenceEqual(MagicKey))
{
file.Seek(0, System.IO.SeekOrigin.Begin);
luigiHeader = LuigiFileHeader.Inflate(file);
}
}
}
catch (Exception)
{
// Just in case the header looks OK, but turns out to be bad.
}
return(luigiHeader);
}