public static bool IsRelativeTo(string fileName, string directory)
{
if (!IsRelative(fileName))
{
// the filename is an absolute path
if (!IsRelative(directory))
{
// just have to make sure that the filename includes the path
fileName = fileName.ToLower().Replace('\\', '/');
directory = directory.ToLower().Replace('\\', '/');
return(fileName.IndexOf(directory) == 0);
}
}
else // fileName is relative
{
if (IsRelative(directory))
{
// both are relative, so let's make em full and see what happens
string fullFileName = FileManager.Standardize(fileName);
string fullDirectory = FileManager.Standardize(directory);
return(IsRelativeTo(fullFileName, fullDirectory));
}
}
return(false);
}
public static void GetAllFilesInDirectory(string directory, string fileType, int depthToSearch, List <string> arrayToReturn)
{
if (!Directory.Exists(directory))
{
return;
}
//if (directory == "")
// directory = mRelativeDirectory;
if (directory.EndsWith(@"\") == false && directory.EndsWith("/") == false)
{
directory += @"\";
}
// if they passed in a fileType which begins with a period (like ".jpg"), then
// remove the period so only the extension remains. That is, convert
// ".jpg" to "jpg"
if (fileType != null && fileType.Length > 0 && fileType[0] == '.')
{
fileType = fileType.Substring(1);
}
string[] files = System.IO.Directory.GetFiles(directory);
string[] directories = System.IO.Directory.GetDirectories(directory);
if (string.IsNullOrEmpty(fileType))
{
for (int i = 0; i < files.Length; i++)
{
files[i] = FileManager.Standardize(files[i]);
}
arrayToReturn.AddRange(files);
}
else
{
int fileCount = files.Length;
for (int i = 0; i < fileCount; i++)
{
string file = files[i];
if (GetExtension(file) == fileType)
{
arrayToReturn.Add(file);
}
}
}
if (depthToSearch > 0)
{
int directoryCount = directories.Length;
for (int i = 0; i < directoryCount; i++)
{
string directoryChecking = directories[i];
GetAllFilesInDirectory(directoryChecking, fileType, depthToSearch - 1, arrayToReturn);
}
}
}
public static string MakeRelative(string pathToMakeRelative, string pathToMakeRelativeTo, bool preserveCase)
{
if (string.IsNullOrEmpty(pathToMakeRelative) == false)
{
pathToMakeRelative = FileManager.Standardize(pathToMakeRelative, preserveCase);
pathToMakeRelativeTo = FileManager.Standardize(pathToMakeRelativeTo, preserveCase);
// Use the old method if we can
if (pathToMakeRelative.ToLowerInvariant().StartsWith(pathToMakeRelativeTo.ToLowerInvariant()))
{
pathToMakeRelative = pathToMakeRelative.Substring(pathToMakeRelativeTo.Length);
}
else
{
// Otherwise, we have to use the new method to identify the common root
// Split the path strings
string[] path = pathToMakeRelative.Split('\\');
string[] relpath = pathToMakeRelativeTo.Split('\\');
string relativepath = string.Empty;
// build the new path
int start = 0;
while (start < path.Length && start < relpath.Length && path[start].ToLower() == relpath[start].ToLower())
{
start++;
}
// If start is 0, they aren't on the same drive, so there is no way to make the path relative without it being absolute
if (start != 0)
{
// add .. for every directory left in the relative path, this is the shared root
for (int i = start; i < relpath.Length; i++)
{
if (relpath[i] != string.Empty)
{
relativepath += @"..\";
}
}
// if the current relative path is still empty, and there are more than one entries left in the path,
// the file is in a subdirectory. Start with ./
if (relativepath == string.Empty && path.Length - start > 0)
{
relativepath += @"./";
}
// add the rest of the path
for (int i = start; i < path.Length; i++)
{
relativepath += path[i];
if (i < path.Length - 1)
{
relativepath += "\\";
}
}
pathToMakeRelative = relativepath;
}
}
if (pathToMakeRelative.StartsWith("\\"))
{
pathToMakeRelative = pathToMakeRelative.Substring(1);
}
}
return(pathToMakeRelative);
}
