/// <summary>
/// List all duplicates found in a DAT based on a rom
/// </summary>
/// <param name="datdata">Dat to match against</param>
/// <param name="remove">True to mark matched roms for removal from the input, false otherwise (default)</param>
/// <param name="sorted">True if the DAT is already sorted accordingly, false otherwise (default)</param>
/// <returns>List of matched DatItem objects</returns>
public List <DatItem> GetDuplicates(DatFile datdata, bool remove = false, bool sorted = false)
{
List <DatItem> output = new List <DatItem>();
// Check for an empty rom list first
if (datdata.Count == 0)
{
return(output);
}
// We want to get the proper key for the DatItem
string key = SortAndGetKey(datdata, sorted);
// If the key doesn't exist, return the empty list
if (!datdata.Contains(key))
{
return(output);
}
// Try to find duplicates
List <DatItem> roms = datdata[key];
List <DatItem> left = new List <DatItem>();
for (int i = 0; i < roms.Count; i++)
{
DatItem datItem = roms[i];
if (this.Equals(datItem))
{
datItem.Remove = true;
output.Add(datItem);
}
else
{
left.Add(datItem);
}
}
// If we're in removal mode, add back all roms with the proper flags
if (remove)
{
datdata.Remove(key);
datdata.AddRange(key, output);
datdata.AddRange(key, left);
}
return(output);
}
/// <summary>
/// Filter a DatFile using the inputs
/// </summary>
/// <param name="datFile"></param>
/// <returns>True if the DatFile was filtered, false on error</returns>
public bool FilterDatFile(DatFile datFile)
{
try
{
// Loop over every key in the dictionary
List <string> keys = datFile.Keys;
foreach (string key in keys)
{
// For every item in the current key
List <DatItem> items = datFile[key];
List <DatItem> newitems = new List <DatItem>();
foreach (DatItem item in items)
{
// If the rom passes the filter, include it
if (ItemPasses(item))
{
// If we are in single game mode, rename all games
if (this.Single.Neutral)
{
item.MachineName = "!";
}
// If we are in NTFS trim mode, trim the game name
if (this.Trim.Neutral)
{
// Windows max name length is 260
int usableLength = 260 - item.MachineName.Length - this.Root.Neutral.Length;
if (item.Name.Length > usableLength)
{
string ext = Path.GetExtension(item.Name);
item.Name = item.Name.Substring(0, usableLength - ext.Length);
item.Name += ext;
}
}
// Lock the list and add the item back
lock (newitems)
{
newitems.Add(item);
}
}
}
datFile.Remove(key);
datFile.AddRange(key, newitems);
}
}
catch (Exception ex)
{
Globals.Logger.Error(ex.ToString());
return(false);
}
return(true);
}
