// Load a single file
private DitaFile LoadFile(string filePath)
{
// Look for known extensions
// Is this an image?
if (Path.HasExtension(filePath))
{
string extension = Path.GetExtension(filePath)?.ToLower();
if (DitaFileImage.Extensions.Contains(extension))
{
DitaFileImage image = new DitaFileImage(filePath);
Trace.TraceInformation($"{Path.GetFileName(filePath)} is a {typeof(DitaFileImage)}");
return(image);
}
}
// Try to load the given file
try {
// Try to load as an XML document
XmlDocument xmlDocument = DitaFile.LoadAndCheckType(filePath, out Type fileType);
// Create a new object of the correct type
if (DitaFile.DitaFileTypeCreation.ContainsKey(fileType))
{
return(DitaFile.DitaFileTypeCreation[fileType](xmlDocument, filePath));
}
}
catch (Exception ex) {
Trace.TraceWarning($"Unable to load {filePath} as XML: {ex}");
}
throw new Exception($"{filePath} is an unknown file type.");
}
