internal protected override async Task UpdateAsync(Stream stream, string newVersion, CancellationToken cancellationToken)
{
var encoding = await StreamUtilities.GetEncodingAsync(stream, cancellationToken).ConfigureAwait(false);
stream.Seek(0, SeekOrigin.Begin);
string text;
using (var textReader = StreamUtilities.CreateReader(stream, encoding))
{
text = await textReader.ReadToEndAsync().ConfigureAwait(false);
}
var jobject = JObject.Parse(text);
if (jobject.SelectToken(JsonPath) is JValue token)
{
token.Value = newVersion;
stream.SetLength(0);
using var textWriter = StreamUtilities.CreateWriter(stream, encoding);
using var jsonWriter = new JsonTextWriter(textWriter)
{
Formatting = Formatting.Indented,
};
await jobject.WriteToAsync(jsonWriter, cancellationToken).ConfigureAwait(false);
}
else
{
throw new DependencyScannerException("Dependency not found");
}
}
protected internal override async Task UpdateAsync(Stream stream, string newVersion, CancellationToken cancellationToken)
{
if (newVersion.IndexOfAny(s_newLineCharacters) >= 0)
{
throw new ArgumentException("New version contains a \\r or \\n", nameof(newVersion));
}
// Line and Column are 1-based index.
var line = LineNumber - 1;
var column = LinePosition - 1;
if (line >= 0 && column >= 0)
{
var encoding = await StreamUtilities.GetEncodingAsync(stream, cancellationToken).ConfigureAwait(false);
stream.Seek(0, SeekOrigin.Begin);
string content;
using (var reader = StreamUtilities.CreateReader(stream, encoding))
{
content = await reader.ReadToEndAsync().ConfigureAwait(false);
}
var currentLine = 0;
var currentIndex = 0;
int endOfLine;
if (line > 0)
{
while (currentLine < line && currentIndex < content.Length)
{
var newIndex = content.IndexOf('\n', currentIndex);
if (newIndex == -1)
{
throw new DependencyScannerException("Dependency not found. File was probably modified since last scan.");
}
currentIndex = newIndex + 1;
currentLine++;
}
}
endOfLine = content.IndexOf('\n', currentIndex);
if (currentIndex + column + Length > (endOfLine == -1 ? content.Length : endOfLine))
{
throw new DependencyScannerException("Dependency not found. File was probably modified since last scan.");
}
stream.SetLength(0);
var writer = StreamUtilities.CreateWriter(stream, encoding);
try
{
var contentAsMemory = content.AsMemory();
await writer.WriteAsync(contentAsMemory[0..(currentIndex + column)], cancellationToken).ConfigureAwait(false);