public string CacheLocation(string url)
{
if (_sourceFileMap == null)
{
return(url);
}
SourceFileDetails details = _sourceFileMap.Details(url);
if (details == null)
{
return(url);
}
return(SourceFileMap.ComputeCachedPath(_pdbFilePath, details.SourceUrl));
}
public SyntaxTree ParseFile(string filePath, string pdbPath)
{
// Determine the local path to the file (if it's a URL)
string localPath = filePath;
if (filePath.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
localPath = SourceFileMap.ComputeCachedPath(pdbPath, filePath);
}
if (!File.Exists(localPath))
{
return(null);
}
// Much like Roslyn CSharpCompiler.CreateCompilation
SourceText fileContent = null;
using (var stream = new FileStream(localPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, bufferSize: 1, options: FileOptions.None))
{
fileContent = SourceText.From(stream);
}
// Parse the file but keep the original path or URL as the path (so locations from Roslyn point to it)
string extension = Path.GetExtension(filePath).ToLowerInvariant();
switch (extension)
{
case ".cs":
return(CSharpSyntaxTree.ParseText(fileContent, path: filePath));
case ".vb":
return(VisualBasicSyntaxTree.ParseText(fileContent, path: filePath));
default:
return(null);
}
}
