private void ProcessChildFile(DirectoryItem <T> directory, XElement f)
{
var fileName = CreateFileName(directory, f);
var fileData = GetFileData(f);
AddFileToDirectory(directory, fileName, fileData);
}
private void ProcessChild(XElement child, DirectoryItem <T> parent)
{
string directoryName = CreateDirectoryName(parent, child);
var directory = AddSubdirectory(parent, directoryName);
var files = child.Elements("file");
foreach (var f in files)
{
ProcessChildFile(directory, f);
}
foreach (var d in child.Elements("dir"))
{
ProcessChild(d, directory);
}
}
private void AddFileToDirectory(DirectoryItem <T> dir, string fullFileName, T fileData)
{
int sameFilesCount = dir.Files.Select(f => f.File).Where(f => f.FullName == fullFileName).Count();
if (sameFilesCount == 0)
{
dir.Files.Add(new FileItem <T>()
{
File = new FsFile(fullFileName),
Data = fileData
});
}
else
{
throw new Exception(
String.Format("Attempted to add duplicate file={0} in the same directory={1}.",
dir.Dir.FullName, fullFileName));
}
}
private void InitFileSystem(string xml)
{
XElement rootElement = XElement.Parse(xml);
XAttribute rootAttribute = rootElement.Attribute("root");
Root = new DirectoryItem <T>(null)
{
Dir = new Dir(rootAttribute.Value)
};
foreach (var child in rootElement.Elements("dir"))
{
ProcessChild(child, Root);
}
foreach (var childFile in rootElement.Elements("file"))
{
ProcessChildFile(Root, childFile);
}
}
private DirectoryItem <T> AddSubdirectory(DirectoryItem <T> parent, string directoryName)
{
int sameDirsCount = parent.Childs.Select(c => c.Dir.FullName).
Where(s => s == directoryName).Count();
if (sameDirsCount == 0)
{
var subDir = new DirectoryItem <T>(parent)
{
Dir = new Dir(directoryName)
};
parent.Childs.Add(subDir);
return(subDir);
}
else
{
throw new Exception(); // duplicate detected
}
}
private string CreateFileName(DirectoryItem <T> parent, XElement fileElement)
{
return(Path.Combine(parent.Dir.FullName, fileElement.Attribute("name").Value));
}
public DirectoryItem(DirectoryItem <T> parent)
{
Files = new List <FileItem <T> >();
Childs = new List <DirectoryItem <T> >();
Parent = parent;
}