public static IReadOnlyList <string> JMDictXmlDeclarations(Stream stream)
{
var directives = DtdUtils.GetDtdDirectives(stream)
.Select(decl =>
{
var match = EntityRegex.Match(decl);
if (match.Success)
{
return($"<!ENTITY {match.Groups[1]} \"...\">");
}
else
{
return(decl);
}
})
.OrderBy(x => x)
.ToList();
return(directives);
}
protected override async Task Start()
{
if (!File.Exists(newPath))
{
try
{
this.CurrentStatus = new UpdateStatus.DownloadingStatus(null);
await this.httpClient.GetToFileAsync(url, newPath);
}
catch
{
File.Delete(newPath);
throw;
}
}
this.CurrentStatus = new UpdateStatus.ProcessingStatus();
var declarationsNew =
With(File.OpenRead(newPath), file =>
With(new GZipStream(file, CompressionMode.Decompress), gzip =>
DtdUtils.JMDictXmlDeclarations(gzip)));
var declarationsOld =
testedSchemaPath != null
? With(File.OpenRead(testedSchemaPath), file =>
DtdUtils.JMDictXmlDeclarations(file))
: With(File.OpenRead(oldPath), file =>
With(new GZipStream(file, CompressionMode.Decompress), gzip =>
DtdUtils.JMDictXmlDeclarations(gzip)));
var diffResult = DiffResult.Of(declarationsOld, declarationsNew);
if (diffResult.HasDifferences)
{
string longMessage;
var stringBuilder = new StringBuilder();
stringBuilder.AppendLine("Show the developer this message");
stringBuilder.AppendLine("-- BEGINNING OF DIFFERENCES");
foreach (var oldEntry in diffResult.OldEntries)
{
stringBuilder.AppendLine($"- {oldEntry}");
}
foreach (var newEntry in diffResult.NewEntries)
{
stringBuilder.AppendLine($"+ {newEntry}");
}
stringBuilder.AppendLine("-- END OF DIFFERENCES");
this.CurrentStatus = new UpdateStatus.FailureStatus(
"Program can't handle the file update. Report this as a bug in the program.",
stringBuilder.ToString());
}
else
{
try
{
await CreateCache();
File.Delete(oldPath);
File.Move(newPath, oldPath);
if (oldCachePath != null)
{
File.Delete(oldCachePath);
File.Move(newCachePath, oldCachePath);
}
this.CurrentStatus = new UpdateStatus.SuccessStatus();
}
catch
{
this.CurrentStatus = new UpdateStatus.FailureStatus("Cache creation failed");
if (oldCachePath != null)
{
File.Delete(newCachePath);
}
throw;
}
}
}
