private FileItem ConvertLnk4ToGeneral(Lnk4FileItem item, string fileName)
{
FileItem FileItem = new FileItem(this.container);
FileItem.FileName = fileName;
FileItem.FileOffset = item.startOffset + this.dataOffset;
FileItem.FileSize = item.length;
return(FileItem);
}
private Lnk4FileItem ConvertGeneralToLnk4(FileItem item, uint fileId)
{
Lnk4FileItem FileItem = new Lnk4FileItem();
FileItem.fileId = fileId;
FileItem.startOffset = (uint)(item.FileOffset - this.dataOffset);
FileItem.length = item.FileSize;
return(FileItem);
}
/// <summary>
/// Parse the file table.
/// </summary>
/// <returns>Number of files found.</returns>
public override int ParseFileTable()
{
long offset = 8;
uint fid = 0;
this.fileTable = new List <FileItem>();
string fileNameBase;
{ // Get file name base
int fileNameStart = this.container.Name.LastIndexOf('\\') + 1;
int fileNameEnd = this.container.Name.LastIndexOf('.');
if (fileNameEnd == -1)
{
fileNameEnd = this.container.Name.Length;
}
fileNameBase = this.container.Name.Substring(fileNameStart, fileNameEnd - fileNameStart);
}
while (true)
{
Lnk4FileItem item = new Lnk4FileItem();
item.fileId = fid;
item.startOffset = StreamUtility.ReadUIntFromStream(this.container, offset, false) << 11;
offset += 4;
item.length = StreamUtility.ReadUIntFromStream(this.container, offset, false) << 10;
offset += 4;
if (item.isValid())
{
FileItem FileItem = ConvertLnk4ToGeneral(item, fileNameBase + "-" + Convert.ToSingle(item.fileId));
uint fileIdentifier = StreamUtility.ReadUIntFromStream(this.container, FileItem.FileOffset);
string fileExt = StreamUtility.GetFileExtension(fileIdentifier);
FileItem.FileName += "." + fileExt;
fileTable.Add(FileItem);
}
else
{
break;
}
fid++;
}
return(fileTable.Count);
}