public void TestFilterEvaluationFailure()
{
FilterCondition parentDirectoryCondition = new FilterCondition(FileMetaAttributesStringConstants.FileMetaAttributeParentDirectory, FileFilterOperator.Equals,
@"C:\Projects\Classifier\findfilesutil\Trunk\src\KMPAlgorithmTestRunner\KMPAlgorithmTestRunner\TestData", FilterAttributeDataType.String);
FilterCondition fileExtensionFilterCondition = new FilterCondition(FileMetaAttributesStringConstants.FileMetaAttributeFileExtension, FileFilterOperator.Equals, "xls", FilterAttributeDataType.String);
List<FilterCondition> filterConditions = new List<FilterCondition>();
filterConditions.Add(parentDirectoryCondition);
filterConditions.Add(fileExtensionFilterCondition);
//Get information about a test file and then create a dummy filter condition based on the
//file attribites of the test file
FileInfo fileInfo = new FileInfo(@"C:\Projects\Classifier\findfilesutil\Trunk\src\KMPAlgorithmTestRunner\KMPAlgorithmTestRunner\TestData\Microsoft.txt");
FilterCondition fileCreateCondition = new FilterCondition(FileMetaAttributesStringConstants.FileMetaAttributeCreationTime, FileFilterOperator.Equals, fileInfo.CreationTime.Ticks.ToString(), FilterAttributeDataType.Long);
FileMetaAttributes fileAttributes = new FileMetaAttributes(fileInfo.DirectoryName, fileInfo.CreationTime.Ticks, fileInfo.LastWriteTime.Ticks, fileInfo.Length, fileInfo.Extension, @"HORNET\\prahaladd");
filterConditions.Add(fileCreateCondition);
FileMetaAttributeFilter fileFilter = new FileMetaAttributeFilter(filterConditions);
FileFilterEvaluator filterEvaluator = new FileFilterEvaluator(fileFilter, fileAttributes);
bool result = filterEvaluator.EvaluateFilter();
Assert.IsFalse(result);
}
public void SearchInFiles(bool searchSubDirectories, FileMetaAttributeFilter fileFilter)
{
DirectoryTreeWalker directoryTreeWalker = new DirectoryTreeWalker();
directoryTreeWalker.SearchSubDirectories = searchSubDirectories;
directoryTreeWalker.WalkTheTree(SearchRootPath);
//ok now the tree has been walked. Get the list of all the text files and then determine the presence of the strings
string fileContent = string.Empty;
foreach (string file in directoryTreeWalker.Files)
{
if (!Utilities.IsTextFile(file))
continue;
FileMetaAttributes fileAttributes = Utilities.GetFileMetaAttributes(file);
if (null != fileFilter && !Utilities.EvaluateMetaAttributeFilters(fileAttributes, fileFilter))
continue;
fileContent = Utilities.ReadTextFromFiles(file);
KMPEngine kmpEngine = new KMPEngine(fileContent, SearchPattern);
List<int> occurences = kmpEngine.Find(true, true);
if (occurences.Count == 0)
continue;
if (occurences[0] != -1)
{
_fileNamesWithContentPresent.Add(file);
_fileNameToOccurencePositionsMap.Add(file, occurences);
}
}
}
public static bool EvaluateMetaAttributeFilters(FileMetaAttributes fileAttributes, FileMetaAttributeFilter filter)
{
FileFilterEvaluator filterEvaluator = new FileFilterEvaluator(filter,fileAttributes);
return filterEvaluator.EvaluateFilter();
}
/// <summary>
/// Creates an instance of a file filter evaluator
/// </summary>
/// <param name="fileFilter">The file filter to be evaluated</param>
/// <param name="fileAttributes">The attributes of the file against which the filter will be evaluated</param>
public FileFilterEvaluator(FileMetaAttributeFilter fileFilter, FileMetaAttributes fileAttributes)
{
_fileFilter = fileFilter;
_fileAttributes = fileAttributes;
}