FileSystemEnumerator(String fullPath, String normalizedSearchPath, String searchCriteria, String userPath, SearchOption searchOption, SearchResultHandler <TSource> resultHandler)
{
this.fullPath = fullPath;
this.normalizedSearchPath = normalizedSearchPath;
this.searchCriteria = searchCriteria;
this.resultHandler = resultHandler;
this.userPath = userPath;
this.searchOption = searchOption;
searchStack = new List <SearchData>();
if (searchCriteria != null)
{
// permission demands
var demandPaths = new String[2];
// Any illegal chars such as *, ? will be caught by FileIOPermission.HasIllegalCharacters
demandPaths[0] = GetDemandDir(fullPath, true);
// For filters like foo\*.cs we need to verify if the directory foo is not denied access.
// Do a demand on the combined path so that we can fail early in case of deny
demandPaths[1] = GetDemandDir(normalizedSearchPath, true);
new FileIOPermission(FileIOPermissionAccess.PathDiscovery, demandPaths).Demand();
searchData = new SearchData(normalizedSearchPath, userPath, searchOption);
CommonInit();
}
else
{
isEmpty = true;
}
}
public FileSystemEnumerator(String path, String originalUserPath, String searchPattern, SearchOption searchOption, SearchResultHandler <TSource> resultHandler)
{
Contract.Requires(path != null);
Contract.Requires(originalUserPath != null);
Contract.Requires(searchPattern != null);
Contract.Requires(searchOption == SearchOption.AllDirectories || searchOption == SearchOption.TopDirectoryOnly);
Contract.Requires(resultHandler != null);
oldMode = Win32Api.SetErrorMode(Win32Api.FailCriticalErrors);
searchStack = new List <SearchData>();
String normalizedSearchPattern = NormalizeSearchPattern(searchPattern);
if (normalizedSearchPattern.Length == 0)
{
isEmpty = true;
}
else
{
this.resultHandler = resultHandler;
this.searchOption = searchOption;
fullPath = PathHelperMethods.GetFullPathInternal(path);
String fullSearchString = GetFullSearchString(fullPath, normalizedSearchPattern);
normalizedSearchPath = Path.GetDirectoryName(fullSearchString);
// permission demands
var demandPaths = new String[2];
// Any illegal chars such as *, ? will be caught by FileIOPermission.HasIllegalCharacters
demandPaths[0] = GetDemandDir(fullPath, true);
// For filters like foo\*.cs we need to verify if the directory foo is not denied access.
// Do a demand on the combined path so that we can fail early in case of deny
demandPaths[1] = GetDemandDir(normalizedSearchPath, true);
new FileIOPermission(FileIOPermissionAccess.PathDiscovery, demandPaths).Demand();
// normalize search criteria
searchCriteria = GetNormalizedSearchCriteria(fullSearchString, normalizedSearchPath);
// fix up user path
String searchPatternDirName = Path.GetDirectoryName(normalizedSearchPattern);
String userPathTemp = originalUserPath;
if (searchPatternDirName != null && searchPatternDirName.Length != 0)
{
userPathTemp = Path.Combine(userPathTemp, searchPatternDirName);
}
userPath = userPathTemp;
searchData = new SearchData(normalizedSearchPath, userPath, searchOption);
CommonInit();
}
}