// Returns an array of strongly typed FileSystemInfo entries in the path with the
// given search criteria (ie, "*.txt").
/// <include file='doc\DirectoryInfo.uex' path='docs/doc[@for="DirectoryInfo.GetFileSystemInfos"]/*' />
public FileSystemInfo[] GetFileSystemInfos(String searchPattern)
{
new FileIOPermission(FileIOPermissionAccess.PathDiscovery, demandDir, false, false).Demand();
if (searchPattern==null)
throw new ArgumentNullException("searchPattern");
searchPattern = searchPattern.TrimEnd();
if (searchPattern.Length == 0)
return new FileSystemInfo[0];
Path.CheckSearchPattern(searchPattern);
String path = FullPath;
String searchPath = Path.GetDirectoryName(searchPattern);
if (searchPath != null && searchPath != String.Empty) // For filters like foo\*.cs we need to verify if the directory foo is not denied access.
{
String demandPath = Path.InternalCombine(FullPath,searchPath);
if (demandPath.EndsWith( '\\' ))
demandPath = demandPath + ".";
else
demandPath = demandPath + "\\.";
new FileIOPermission(FileIOPermissionAccess.PathDiscovery, new String[] { demandPath }, false, false).Demand();
path = Path.Combine(path,searchPath);
}
String [] dirNames = Directory.InternalGetDirectories(FullPath, OriginalPath, searchPattern);
String [] fileNames = Directory.InternalGetFiles(FullPath, OriginalPath, searchPattern);
FileSystemInfo [] fileSystemEntries = new FileSystemInfo[dirNames.Length + fileNames.Length];
String[] permissionNames = new String[dirNames.Length];
for (int i = 0;i<dirNames.Length;i++) {
dirNames[i] = Path.InternalCombine(path, dirNames[i]);
permissionNames[i] = dirNames[i] + "\\.";
}
if (dirNames.Length != 0)
new FileIOPermission(FileIOPermissionAccess.Read,permissionNames,false,false).Demand();
for (int i = 0;i<fileNames.Length;i++)
fileNames[i] = Path.InternalCombine(path, fileNames[i]);
if (fileNames.Length != 0)
new FileIOPermission(FileIOPermissionAccess.Read,fileNames,false,false).Demand();
int count = 0;
for (int i = 0;i<dirNames.Length;i++)
fileSystemEntries[count++] = new DirectoryInfo(dirNames[i], false);
for (int i = 0;i<fileNames.Length;i++)
fileSystemEntries[count++] = new FileInfo(fileNames[i], false);
return fileSystemEntries;
}
// Returns an array of strongly typed FileSystemInfo entries in the path with the
// given search criteria (ie, "*.txt").
//| <include file='doc\DirectoryInfo.uex' path='docs/doc[@for="DirectoryInfo.GetFileSystemInfos"]/*' />
public FileSystemInfo[] GetFileSystemInfos(String searchPattern)
{
if (searchPattern == null)
{
throw new ArgumentNullException("searchPattern");
}
searchPattern = searchPattern.TrimEnd();
if (searchPattern.Length == 0)
{
return(new FileSystemInfo[0]);
}
String path = FullPath;
String searchPath = Path.GetDirectoryName(searchPattern);
if (searchPath != null && searchPath != String.Empty) // For filters like foo\*.cs we need to verify if the directory foo is not denied access.
{
path = Path.Combine(path, searchPath);
}
String [] dirNames = Directory.InternalGetDirectories(FullPath, OriginalPath, searchPattern);
String [] fileNames = Directory.InternalGetFiles(FullPath, OriginalPath, searchPattern);
FileSystemInfo [] fileSystemEntries = new FileSystemInfo[dirNames.Length + fileNames.Length];
String[] permissionNames = new String[dirNames.Length];
for (int i = 0; i < dirNames.Length; i++)
{
dirNames[i] = Path.InternalCombine(path, dirNames[i]);
permissionNames[i] = dirNames[i] + "\\.";
}
for (int i = 0; i < fileNames.Length; i++)
{
fileNames[i] = Path.InternalCombine(path, fileNames[i]);
}
int count = 0;
for (int i = 0; i < dirNames.Length; i++)
{
fileSystemEntries[count++] = new DirectoryInfo((!)dirNames[i], false);
}
for (int i = 0; i < fileNames.Length; i++)
{
fileSystemEntries[count++] = new FileInfo((!)fileNames[i], false);
}
return(fileSystemEntries);
}