private Dictionary<string, string> ParseAdditionalFile(AdditionalText additionalFile)
{
Dictionary<string, string> parsedPinvokes = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
if (additionalFile == null) return parsedPinvokes;
SourceText fileContents = additionalFile.GetText();
foreach (TextLine line in fileContents.Lines)
{
string lineStr = line.ToString();
if (!string.IsNullOrWhiteSpace(lineStr) && !lineStr.StartsWith("<!--"))
{
string[] splitCount = lineStr.Split('!');
if (splitCount.Length == 2 || splitCount.Length == 3)
{
parsedPinvokes[splitCount[1]] = splitCount[0];
if (splitCount.Length == 3)
{
_isNotSupportedOnWin7.Add(splitCount[1]);
}
}
}
}
return parsedPinvokes;
}
/// <summary>
/// This code works around dotnet/roslyn#6596 by using reflection APIs to bypass the problematic method while
/// reading the content of an <see cref="AdditionalText"/> file. If the reflection approach fails, the code
/// falls back to the previous behavior.
/// </summary>
/// <param name="additionalText">The additional text to read.</param>
/// <param name="cancellationToken">The cancellation token that the operation will observe.</param>
/// <returns>The content of the additional text file.</returns>
private static SourceText GetText(AdditionalText additionalText, CancellationToken cancellationToken)
{
if (AvoidAdditionalTextGetText)
{
object document = GetField(additionalText, "_document");
if (document != null)
{
object textSource = GetField(document, "textSource");
if (textSource != null)
{
object textAndVersion = CallMethod(textSource, "GetValue", new[] { typeof(CancellationToken) }, cancellationToken);
if (textAndVersion != null)
{
SourceText text = GetProperty(textAndVersion, "Text") as SourceText;
if (text != null)
{
return text;
}
}
}
}
}
return additionalText.GetText(cancellationToken);
}
