public void TestExtensions()
{
{
var path = new UPath("/a/b/c/d.txt");
Assert.Equal(new UPath("/a/b/c"), path.GetDirectory());
Assert.Equal("d.txt", path.GetName());
Assert.Equal("d", path.GetNameWithoutExtension());
Assert.Equal(".txt", path.GetExtensionWithDot());
var newPath = path.ChangeExtension(".zip");
Assert.Equal("/a/b/c/d.zip", newPath.FullName);
Assert.Equal(new UPath("a/b/c/d.txt"), path.ToRelative());
Assert.Equal(path, path.AssertAbsolute());
Assert.Throws <ArgumentNullException>(() => new UPath().AssertNotNull());
Assert.Throws <ArgumentException>(() => new UPath("not_absolute").AssertAbsolute());
}
{
var path = new UPath("d.txt");
Assert.Equal(UPath.Empty, path.GetDirectory());
Assert.Equal("d.txt", path.GetName());
Assert.Equal("d", path.GetNameWithoutExtension());
Assert.Equal(".txt", path.GetExtensionWithDot());
var newPath = path.ChangeExtension(".zip");
Assert.Equal("d.zip", newPath.FullName);
Assert.Equal(new UPath("d.txt"), path.ToRelative());
}
}
public FileOpenedEventArgs(UPath fullPath)
{
fullPath.AssertNotNull(nameof(fullPath));
fullPath.AssertAbsolute(nameof(fullPath));
OpenedPath = fullPath;
}
/// <summary>
/// Finds the list of <see cref="FileSystemEntry"/> for each file or directory found at the specified path for each registered filesystems (in order).
/// The type of the first entry (file or directory) dictates the type of the following entries in the list (e.g if a file is coming first, only files will be showned for the specified path).
/// </summary>
/// <param name="path">To check for an entry</param>
/// <returns>A list of file entries for the specified path</returns>
public List <FileSystemEntry> FindFileSystemEntries(UPath path)
{
path.AssertAbsolute();
var paths = new List <FileSystemPath>();
FindPaths(path, SearchTarget.Both, paths);
var result = new List <FileSystemEntry>(paths.Count);
if (paths.Count == 0)
{
return(result);
}
var isFile = paths[0].IsFile;
foreach (var pathItem in paths)
{
if (pathItem.IsFile == isFile)
{
if (isFile)
{
result.Add(new FileEntry(pathItem.FileSystem, pathItem.Path));
}
else
{
result.Add(new DirectoryEntry(pathItem.FileSystem, pathItem.Path));
}
}
}
return(result);
}
public bool TryCopyFile(FileEntry fromFile, UPath outputPath)
{
if (fromFile == null)
{
throw new ArgumentNullException(nameof(fromFile));
}
outputPath.AssertAbsolute(nameof(outputPath));
var outputFile = new FileEntry(Site.OutputFileSystem, outputPath);
TrackDestination(outputFile, fromFile);
if (!outputFile.Exists || (fromFile.LastWriteTime > outputFile.LastWriteTime))
{
CreateDirectory(outputFile.Directory);
if (Site.CanTrace())
{
Site.Trace($"Copy file from [{fromFile} to [{outputPath}]");
}
fromFile.CopyTo(outputFile.FullName, true);
return(true);
// Update statistics
//stat.Static = true;
//stat.OutputBytes += fromFile.Length;
}
return(false);
}
private void AssertMountName(UPath name)
{
name.AssertAbsolute(nameof(name));
if (name == UPath.Root)
{
throw new ArgumentException("The mount name cannot be a `/` root filesystem", nameof(name));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="SubFileSystem"/> class.
/// </summary>
/// <param name="fileSystem">The file system to create a view from.</param>
/// <param name="subPath">The sub path view to create filesystem.</param>
/// <param name="owned">True if <paramref name="fileSystem"/> should be disposed when this instance is disposed.</param>
/// <exception cref="DirectoryNotFoundException">If the directory subPath does not exist in the delegate FileSystem</exception>
public SubFileSystem(IFileSystem fileSystem, UPath subPath, bool owned = true) : base(fileSystem, owned)
{
SubPath = subPath.AssertAbsolute(nameof(subPath));
if (!fileSystem.DirectoryExists(SubPath))
{
throw NewDirectoryNotFoundException(SubPath);
}
}
public FileRenamedEventArgs(IFileSystem fileSystem, WatcherChangeTypes changeType, UPath fullPath, UPath oldFullPath)
: base(fileSystem, changeType, fullPath)
{
fullPath.AssertNotNull(nameof(oldFullPath));
fullPath.AssertAbsolute(nameof(oldFullPath));
OldFullPath = oldFullPath;
OldName = oldFullPath.GetName();
}
/// <summary>
/// Validates the specified path (Check that it is absolute by default)
/// </summary>
/// <param name="path">The path.</param>
/// <param name="name">The name.</param>
/// <param name="allowNull">if set to <c>true</c> the path is allowed to be null. <c>false</c> otherwise.</param>
/// <returns>The path validated</returns>
protected UPath ValidatePath(UPath path, string name = "path", bool allowNull = false)
{
if (allowNull && path.IsNull)
{
return(path);
}
path.AssertAbsolute(name);
return(ValidatePathImpl(path, name));
}
public FileSystemWatcher(IFileSystem fileSystem, UPath path)
{
if (fileSystem == null)
{
throw new ArgumentNullException(nameof(fileSystem));
}
path.AssertAbsolute();
FileSystem = fileSystem;
Path = path;
}
private void AssertMountName(UPath name)
{
name.AssertAbsolute();
if (name == UPath.Root)
{
throw new ArgumentException("The mount name cannot be a `/` root filesystem", nameof(name));
}
if (name.GetDirectory() != UPath.Root)
{
throw new ArgumentException("The mount name cannot contain subpath and must contain only a root path e.g `/mount`", nameof(name));
}
}
/// <summary>
/// Finds the first <see cref="FileSystemEntry"/> from this aggregate system found at the specified path for each registered filesystems (in order).
/// The type of the first entry (file or directory) dictates the type of the following entries in the list (e.g if a file is coming first, only files will be showned for the specified path).
/// </summary>
/// <param name="path">To check for an entry</param>
/// <returns>A file system entry or null if it was not found.</returns>
public FileSystemEntry?FindFirstFileSystemEntry(UPath path)
{
path.AssertAbsolute();
var entry = TryGetPath(path);
if (!entry.HasValue)
{
return(null);
}
var pathItem = entry.Value;
return(pathItem.IsFile ? (FileSystemEntry) new FileEntry(pathItem.FileSystem, pathItem.Path) : new DirectoryEntry(pathItem.FileSystem, pathItem.Path));
}
public FileChangedEventArgs(IFileSystem fileSystem, WatcherChangeTypes changeType, UPath fullPath)
{
if (fileSystem == null)
{
throw new ArgumentNullException(nameof(fileSystem));
}
fullPath.AssertNotNull(nameof(fullPath));
fullPath.AssertAbsolute(nameof(fullPath));
FileSystem = fileSystem;
ChangeType = changeType;
FullPath = fullPath;
Name = fullPath.GetName();
}
/// <summary>
/// Attempts to find information about the mount that a given path maps to.
/// </summary>
/// <param name="path">The path to search for.</param>
/// <param name="name">The mount name that the <paramref name="path"/> belongs to.</param>
/// <param name="fileSystem">The mounted filesystem that the <paramref name="path"/> is located in.</param>
/// <param name="fileSystemPath">The path inside of <paramref name="fileSystem"/> that refers to the file at <paramref name="path"/>.</param>
/// <returns>True if the <paramref name="path"/> was found in a mounted filesystem.</returns>
/// <exception cref="System.ArgumentNullException">The <paramref name="path"/> must not be null.</exception>
/// <exception cref="System.ArgumentException">The <paramref name="path"/> must be absolute.</exception>
public bool TryGetMount(UPath path, out UPath name, out IFileSystem fileSystem, out UPath fileSystemPath)
{
path.AssertNotNull();
path.AssertAbsolute();
var fs = TryGetMountOrNext(ref path, out name);
if (fs == null || name.IsNull)
{
name = null;
fileSystem = null;
fileSystemPath = null;
return(false);
}
fileSystem = fs;
fileSystemPath = path;
return(true);
}
private SearchPattern(ref UPath path, ref string searchPattern)
{
path.AssertAbsolute();
if (searchPattern == null)
{
throw new ArgumentNullException(nameof(searchPattern));
}
_exactMatch = null;
_regexMatch = null;
//Optimized path, most common case
if (searchPattern == "*" && path == UPath.Root)
{
return;
}
if (searchPattern.StartsWith("/"))
{
throw new ArgumentException($"The search pattern `{searchPattern}` cannot start by an absolute path `/`");
}
searchPattern = searchPattern.Replace('\\', '/');
// If the path contains any directory, we need to concatenate the directory part with the input path
if (searchPattern.IndexOf('/') > 0)
{
var pathPattern = new UPath(searchPattern);
var directory = pathPattern.GetDirectory();
if (!directory.IsNull && !directory.IsEmpty)
{
path /= directory;
}
searchPattern = pathPattern.GetName();
// If the search pattern is again a plain any, optimized path
if (searchPattern == "*")
{
return;
}
}
var startIndex = 0;
StringBuilder builder = null;
try
{
int nextIndex;
while ((nextIndex = searchPattern.IndexOfAny(SpecialChars, startIndex)) >= 0)
{
if (builder == null)
{
builder = new StringBuilder();
builder.Append("^");
}
var lengthToEscape = nextIndex - startIndex;
if (lengthToEscape > 0)
{
var toEscape = Regex.Escape(searchPattern.Substring(startIndex, lengthToEscape));
builder.Append(toEscape);
}
var c = searchPattern[nextIndex];
var regexPatternPart = c == '*' ? ".*" : ".";
builder.Append(regexPatternPart);
startIndex = nextIndex + 1;
}
if (builder == null)
{
_exactMatch = searchPattern;
}
else
{
var length = searchPattern.Length - startIndex;
if (length > 0)
{
var toEscape = Regex.Escape(searchPattern.Substring(startIndex, length));
builder.Append(toEscape);
}
builder.Append("$");
var regexPattern = builder.ToString();
_regexMatch = new Regex(regexPattern);
}
}
finally
{
if (builder != null)
{
builder.Length = 0;
}
}
}
private SearchPattern(ref UPath path, ref string searchPattern)
{
path.AssertAbsolute();
if (searchPattern == null)
{
throw new ArgumentNullException(nameof(searchPattern));
}
_exactMatch = null;
_regexMatch = null;
//Optimized path, most common case
if (searchPattern == "*" && path == UPath.Root)
{
return;
}
if (searchPattern.StartsWith("/"))
{
throw new ArgumentException($"The search pattern `{searchPattern}` cannot start by an absolute path `/`");
}
// Normalize path separators
searchPattern = searchPattern.Replace('\\', '/');
// If the path contains any directory, we need to concatenate the directory part with the input path (?)
if (searchPattern.IndexOf('/') > 0)
{
var pathPattern = new UPath(searchPattern);
var directory = pathPattern.GetDirectory();
if (!directory.IsNull && !directory.IsEmpty)
{
path /= directory;
}
searchPattern = pathPattern.GetName();
// If the search pattern is again a plain any, optimized path
if (searchPattern == "*")
{
return;
}
}
var regexBuilder = new StringBuilder("^");
bool containsWildcards = false;
// Loop through parts of searchPattern separated by wildcards
for (int index = 0, nextWildcard = 0; nextWildcard != -1; index = nextWildcard + 1)
{
// Next wildcard occurence
nextWildcard = searchPattern.IndexOfAny(WildcardChars, index);
// Escape & append text up to next wildcard
// If no new wildcard, append up to end of string
var endOfPart = nextWildcard != -1 ? nextWildcard : searchPattern.Length;
regexBuilder.Append(Regex.Escape(searchPattern.Substring(index, endOfPart - index)));
// Convert & append wildcard, if applicable
if (nextWildcard != -1)
{
var wc = searchPattern[nextWildcard];
var regexPatternPart = wc switch
{
'*' => ".*",
'?' => ".",
_ => throw new ArgumentException($"Unknown wildcard: {wc}")
};
regexBuilder.Append(regexPatternPart);
containsWildcards = true;
}
}
regexBuilder.Append("$");
if (!containsWildcards)
{
_exactMatch = searchPattern;
}
else
{
_regexMatch = new Regex(regexBuilder.ToString());
}
}
}
public bool TryCopyContentToOutput(ContentObject fromFile, UPath outputPath)
{
if (fromFile == null)
{
throw new ArgumentNullException(nameof(fromFile));
}
outputPath.AssertAbsolute();
var clock = Stopwatch.StartNew();
var outputFile = new FileEntry(Site.OutputFileSystem, outputPath);
var outputDir = outputFile.Directory;
if (outputDir == null)
{
throw new ArgumentException("Output directory cannot be empty", nameof(outputPath));
}
TrackDestination(outputFile, fromFile.SourceFile);
var stat = Site.Statistics.GetContentStat(fromFile);
CreateDirectory(outputDir);
try
{
// If the file has a content, we will use this instead
if (fromFile.Content != null)
{
if (Site.CanTrace())
{
Site.Trace($"Write file [{outputFile}]");
}
using (var writer = new StreamWriter(outputFile.Open(FileMode.Create, FileAccess.Write)))
{
writer.Write(fromFile.Content);
writer.Flush();
// Update statistics
stat.Static = false;
stat.OutputBytes += writer.BaseStream.Length;
}
}
// If the source file is not newer than the destination file, don't overwrite it
else if (fromFile.SourceFile != null && (!outputFile.Exists || (fromFile.ModifiedTime > outputFile.LastWriteTime)))
{
if (Site.CanTrace())
{
Site.Trace($"Write file [{outputFile}]");
}
// If the output file is readonly, make sure that it is not readonly before overwriting
if (outputFile.Exists && (outputFile.Attributes & FileAttributes.ReadOnly) != 0)
{
outputFile.Attributes = outputFile.Attributes & ~FileAttributes.ReadOnly;
}
fromFile.SourceFile.CopyTo(outputFile, true);
// Don't copy readonly attributes for output folder
outputFile.Attributes = fromFile.SourceFile.Attributes & ~FileAttributes.ReadOnly;
// Update statistics
stat.Static = true;
stat.OutputBytes += fromFile.Length;
}
}
catch (Exception ex)
{
Site.Error(fromFile.SourceFile != null
? $"Unable to copy file [{fromFile.SourceFile}] to [{outputFile}]. Reason:{ex.GetReason()}"
: $"Unable to copy file to [{outputFile}]. Reason:{ex.GetReason()}");
return(false);
}
finally
{
stat.OutputTime += clock.Elapsed;
}
return(true);
}
