public override byte[] GetChecksum()
{
if (_checksum == null)
{
_checksum = _sourceText.GetChecksum().ToArray();
}
return(_checksum);
}
private static void VerifyChecksum(SourceText text, ImmutableArray<byte> expectedChecksum)
{
var actualChecksum = text.GetChecksum();
Assert.Equal<byte>(expectedChecksum, actualChecksum);
}
/// <summary>
/// Constructs a <see cref="EmbeddedText"/> for embedding the given <see cref="SourceText"/>.
/// </summary>
/// <param name="filePath">The file path (pre-normalization) to use in the PDB.</param>
/// <param name="text">The source text to embed.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="filePath"/> is null.
/// <paramref name="text"/> is null.
/// </exception>
/// <exception cref="ArgumentException">
/// <paramref name="filePath"/> empty.
/// <paramref name="text"/> cannot be embedded (see <see cref="SourceText.CanBeEmbedded"/>).
/// </exception>
public static EmbeddedText FromSource(string filePath, SourceText text)
{
ValidateFilePath(filePath);
if (text == null)
{
throw new ArgumentNullException(nameof(text));
}
if (!text.CanBeEmbedded)
{
throw new ArgumentException(CodeAnalysisResources.SourceTextCannotBeEmbedded, nameof(text));
}
if (!text.PrecomputedEmbeddedTextBlob.IsDefault)
{
return new EmbeddedText(filePath, text.GetChecksum(), text.ChecksumAlgorithm, text.PrecomputedEmbeddedTextBlob);
}
return new EmbeddedText(filePath, text.GetChecksum(), text.ChecksumAlgorithm, CreateBlob(text));
}
