private IEnumerable <NFSFolder> readLines()
{
var lines = this.nfsLines;
int total = lines.Length;
double current = 0;
var folderRegex = this.folderRegex;
var fileRegex = this.fileRegex;
int folderIndex = 0;
int fileIndex = 0;
NFSFolder currentFolder = null;
string previousFolderName = null;
string previousFileName = null;
foreach (var line in lines)
{
raiseProgressChanged(current++ / total, string.Format("reading \"{0}\"", line));
var folderMatch = folderRegex.Match(line);
if (folderMatch.Success)
{
string folderName = folderMatch.Groups["folder"].Value;
if (string.Equals(previousFolderName, folderName, StringComparison.OrdinalIgnoreCase))
{
continue;
}
previousFolderName = folderName;
currentFolder = new NFSFolder(folderIndex++, folderName);
yield return(currentFolder);
previousFileName = null;
fileIndex = 0;
continue;
}
var fileMatch = fileRegex.Match(line);
if (fileMatch.Success)
{
var groups = fileMatch.Groups;
string name = groups["file"].Value;
string filename = groups["filename"].Value;
string extension = groups["extension"].Value;
long size;
long.TryParse(groups["size"].Value, out size);
int order = getFileOrder(name, size);
//if there are two same file in same folder, unpack first one will get an empty file.
if (string.Equals(previousFileName, name, StringComparison.OrdinalIgnoreCase))
{
currentFolder.RemoveLastFile();
}
else
{
previousFileName = name;
}
var file = new NFSFile(filename, extension, currentFolder, fileIndex++, order, name, size);
currentFolder.Add(file);
continue;
}
}
}
public void Add(NFSFile file)
{
this.files.Add(file);
}