public Importer(Diagnostics diagnostics, List <string> importedFiles, string file, string referencePath, Location location)
{
FileName = Path.GetFileName(file);
FileType = Path.GetExtension(file);
ResultingPath = Extras.CombinePathWithDotNotation(referencePath, file);
// Syntax error if the filename has invalid characters.
if (ResultingPath == null)
{
throw SyntaxErrorException.InvalidImportPathChars(file, location);
}
// Syntax error if the file is importing itself.
if (referencePath == ResultingPath)
{
throw SyntaxErrorException.SelfImport(location);
}
// Syntax error if the file does not exist.
if (!System.IO.File.Exists(ResultingPath))
{
throw SyntaxErrorException.ImportFileNotFound(ResultingPath, location);
}
// Warning if the file was already imported.
if (importedFiles.Contains(ResultingPath))
{
diagnostics.Warning(string.Format(SyntaxErrorException.alreadyImported, FileName), location);
AlreadyImported = true;
}
else
{
AlreadyImported = false;
}
}