public void Constructor_WhenArgumentsValid_SetsProperties()
{
var traits = new FileTypeRecognizerTraits("id", "description");
Assert.AreEqual("id", traits.Id);
Assert.AreEqual("description", traits.Description);
}
private void Initialize(IEnumerable <ComponentHandle <IFileTypeRecognizer, FileTypeRecognizerTraits> > fileTypeRecognizerHandles)
{
foreach (var handle in fileTypeRecognizerHandles)
{
string id = handle.GetTraits().Id;
if (fileTypeInfos.ContainsKey(id))
{
throw new InvalidOperationException(string.Format("There appear to be multiple file types registered with id '{0}'.", id));
}
fileTypeInfos.Add(id, new FileTypeInfo()
{
RecognizerHandle = handle
});
}
foreach (var fileTypeInfo in fileTypeInfos.Values)
{
FileTypeRecognizerTraits recognizerTraits = fileTypeInfo.RecognizerHandle.GetTraits();
if (recognizerTraits.FileNameRegex != null)
{
fileTypeInfo.FileNameRegex = new Regex(recognizerTraits.FileNameRegex, RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
}
if (recognizerTraits.ContentsRegex != null)
{
fileTypeInfo.ContentsRegex = new Regex(recognizerTraits.ContentsRegex, RegexOptions.CultureInvariant | RegexOptions.IgnoreCase);
}
string superTypeId = recognizerTraits.SuperTypeId;
if (superTypeId != null)
{
FileTypeInfo superTypeInfo;
if (!fileTypeInfos.TryGetValue(superTypeId, out superTypeInfo))
{
throw new InvalidOperationException(string.Format("File type '{0}' refers to super type '{1}' but the super type is not registered.", recognizerTraits.Id, superTypeId));
}
if (fileTypeInfo.IsSameOrSubtype(superTypeInfo))
{
throw new InvalidOperationException(string.Format("File type '{0}' contains a circular reference to super type '{1}'.", recognizerTraits.Id, superTypeId));
}
superTypeInfo.AddSubtype(fileTypeInfo);
}
else
{
rootFileTypeInfos.Add(fileTypeInfo);
}
}
GenerateFileTypes(rootFileTypeInfos, null);
}
private void GenerateFileTypes(IEnumerable <FileTypeInfo> fileTypeInfos, FileType superType)
{
foreach (var fileTypeInfo in fileTypeInfos)
{
FileTypeRecognizerTraits recognizerTraits = fileTypeInfo.RecognizerHandle.GetTraits();
FileType fileType = new FileType(recognizerTraits.Id, recognizerTraits.Description, superType);
fileTypes.Add(fileType);
fileTypeInfo.FileType = fileType;
GenerateFileTypes(fileTypeInfo.Subtypes, fileType);
}
}
