mirror of
https://github.com/claunia/SabreTools.git
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338 lines
13 KiB
C#
338 lines
13 KiB
C#
using System;
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using System.Collections.Generic;
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using SabreTools.Library.Data;
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using SabreTools.Library.DatItems;
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#if MONO
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using System.IO;
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#else
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using Alphaleonis.Win32.Filesystem;
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#endif
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namespace SabreTools.Library.DatFiles
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{
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/// <summary>
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/// Represents the filtering operations that need to be performed on a set of items, usually a DAT
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/// </summary>
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public class Filter
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{
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#region Pubically facing variables
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/// <summary>
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/// Include or exclude machine names
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/// </summary>
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public FilterItem<string> MachineName { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude machine descriptions
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/// </summary>
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public FilterItem<string> MachineDescription { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude item names
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/// </summary>
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public FilterItem<string> ItemName { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude item types
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/// </summary>
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public FilterItem<string> ItemTypes { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude CRC32 hashes
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/// </summary>
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public FilterItem<string> CRC { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude MD5 hashes
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/// </summary>
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public FilterItem<string> MD5 { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude SHA-1 hashes
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/// </summary>
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public FilterItem<string> SHA1 { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude SHA-256 hashes
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/// </summary>
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public FilterItem<string> SHA256 { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude SHA-384 hashes
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/// </summary>
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public FilterItem<string> SHA384 { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude SHA-512 hashes
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/// </summary>
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public FilterItem<string> SHA512 { get; set; } = new FilterItem<string>();
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/// <summary>
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/// Include or exclude item statuses
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/// </summary>
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public FilterItem<ItemStatus> ItemStatuses { get; set; } = new FilterItem<ItemStatus>() { Positive = ItemStatus.NULL, Negative = ItemStatus.NULL };
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/// <summary>
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/// Include or exclude machine types
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/// </summary>
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public FilterItem<MachineType> MachineTypes { get; set; } = new FilterItem<MachineType>() { Positive = MachineType.NULL, Negative = MachineType.NULL };
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/// <summary>
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/// Include or exclude item sizes
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/// </summary>
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/// <remarks>Positive means "Greater than or equal", Negative means "Less than or equal", Neutral means "Equal"</remarks>
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public FilterItem<long> Size { get; set; } = new FilterItem<long>() { Positive = -1, Negative = -1, Neutral = -1 };
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/// <summary>
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/// Include romof and cloneof when filtering machine names
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/// </summary>
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public FilterItem<bool> IncludeOfInGame { get; set; } = new FilterItem<bool>() { Neutral = false };
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/// <summary>
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/// Include or exclude items with the "Runnable" tag
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/// </summary>
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public FilterItem<bool?> Runnable { get; set; } = new FilterItem<bool?>() { Neutral = null };
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/// <summary>
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/// Change all machine names to "!"
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/// </summary>
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public FilterItem<bool> Single { get; set; } = new FilterItem<bool>() { Neutral = false };
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/// <summary>
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/// Trim total machine and item name to not exceed NTFS limits
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/// </summary>
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public FilterItem<bool> Trim { get; set; } = new FilterItem<bool>() { Neutral = false };
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/// <summary>
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/// Include root directory when determing trim sizes
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/// </summary>
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public FilterItem<string> Root { get; set; } = new FilterItem<string>() { Neutral = null };
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#endregion // Pubically facing variables
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#region Instance methods
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/// <summary>
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/// Filter a DatFile using the inputs
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/// </summary>
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/// <param name="datFile"></param>
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/// <returns>True if the DatFile was filtered, false on error</returns>
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public bool FilterDatFile(DatFile datFile)
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{
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try
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{
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// Loop over every key in the dictionary
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List<string> keys = datFile.Keys;
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foreach (string key in keys)
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{
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// For every item in the current key
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List<DatItem> items = datFile[key];
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List<DatItem> newitems = new List<DatItem>();
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foreach (DatItem item in items)
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{
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// If the rom passes the filter, include it
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if (ItemPasses(item))
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{
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// If we are in single game mode, rename all games
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if (this.Single.Neutral)
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item.MachineName = "!";
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// If we are in NTFS trim mode, trim the game name
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if (this.Trim.Neutral)
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{
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// Windows max name length is 260
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int usableLength = 260 - item.MachineName.Length - this.Root.Neutral.Length;
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if (item.Name.Length > usableLength)
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{
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string ext = Path.GetExtension(item.Name);
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item.Name = item.Name.Substring(0, usableLength - ext.Length);
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item.Name += ext;
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}
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}
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// Lock the list and add the item back
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lock (newitems)
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{
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newitems.Add(item);
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}
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}
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}
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datFile.Remove(key);
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datFile.AddRange(key, newitems);
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}
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}
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catch (Exception ex)
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{
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Globals.Logger.Error(ex.ToString());
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return false;
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}
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return true;
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}
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/// <summary>
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/// Check to see if a DatItem passes the filter
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/// </summary>
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/// <param name="item">DatItem to check</param>
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/// <returns>True if the file passed the filter, false otherwise</returns>
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public bool ItemPasses(DatItem item)
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{
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// If the item is null, we automatically fail it
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if (item == null)
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return false;
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// Filter on machine type
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if (this.MachineTypes.MatchesPositive(MachineType.NULL, item.MachineType) == false)
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return false;
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if (this.MachineTypes.MatchesNegative(MachineType.NULL, item.MachineType) == true)
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return false;
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// Filter on machine runability
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if (this.Runnable.MatchesNeutral(null, item.Runnable) == false)
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return false;
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// Take care of Rom and Disk specific differences
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if (item.ItemType == ItemType.Rom)
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{
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Rom rom = (Rom)item;
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// Filter on status
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if (this.ItemStatuses.MatchesPositive(ItemStatus.NULL, rom.ItemStatus) == false)
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return false;
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if (this.ItemStatuses.MatchesNegative(ItemStatus.NULL, rom.ItemStatus) == true)
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return false;
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// Filter on rom size
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if (this.Size.MatchesNeutral(-1, rom.Size) == false)
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return false;
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else if (this.Size.MatchesPositive(-1, rom.Size) == false)
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return false;
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else if (this.Size.MatchesNegative(-1, rom.Size) == false)
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return false;
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// Filter on CRC
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if (this.CRC.MatchesPositiveSet(rom.CRC) == false)
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return false;
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if (this.CRC.MatchesNegativeSet(rom.CRC) == true)
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return false;
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// Filter on MD5
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if (this.MD5.MatchesPositiveSet(rom.MD5) == false)
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return false;
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if (this.MD5.MatchesNegativeSet(rom.MD5) == true)
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return false;
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// Filter on SHA-1
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if (this.SHA1.MatchesPositiveSet(rom.SHA1) == false)
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return false;
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if (this.SHA1.MatchesNegativeSet(rom.SHA1) == true)
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return false;
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// Filter on SHA-256
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if (this.SHA256.MatchesPositiveSet(rom.SHA256) == false)
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return false;
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if (this.SHA256.MatchesNegativeSet(rom.SHA256) == true)
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return false;
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// Filter on SHA-384
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if (this.SHA384.MatchesPositiveSet(rom.SHA384) == false)
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return false;
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if (this.SHA384.MatchesNegativeSet(rom.SHA384) == true)
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return false;
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// Filter on SHA-512
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if (this.SHA512.MatchesPositiveSet(rom.SHA512) == false)
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return false;
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if (this.SHA512.MatchesNegativeSet(rom.SHA512) == true)
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return false;
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}
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else if (item.ItemType == ItemType.Disk)
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{
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Disk rom = (Disk)item;
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// Filter on status
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if (this.ItemStatuses.MatchesPositive(ItemStatus.NULL, rom.ItemStatus) == false)
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return false;
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if (this.ItemStatuses.MatchesNegative(ItemStatus.NULL, rom.ItemStatus) == true)
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return false;
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// Filter on MD5
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if (this.MD5.MatchesPositiveSet(rom.MD5) == false)
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return false;
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if (this.MD5.MatchesNegativeSet(rom.MD5) == true)
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return false;
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// Filter on SHA-1
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if (this.SHA1.MatchesPositiveSet(rom.SHA1) == false)
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return false;
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if (this.SHA1.MatchesNegativeSet(rom.SHA1) == true)
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return false;
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// Filter on SHA-256
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if (this.SHA256.MatchesPositiveSet(rom.SHA256) == false)
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return false;
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if (this.SHA256.MatchesNegativeSet(rom.SHA256) == true)
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return false;
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// Filter on SHA-384
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if (this.SHA384.MatchesPositiveSet(rom.SHA384) == false)
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return false;
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if (this.SHA384.MatchesNegativeSet(rom.SHA384) == true)
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return false;
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// Filter on SHA-512
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if (this.SHA512.MatchesPositiveSet(rom.SHA512) == false)
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return false;
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if (this.SHA512.MatchesNegativeSet(rom.SHA512) == true)
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return false;
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}
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// Filter on machine name
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bool? machineNameFound = this.MachineName.MatchesPositiveSet(item.MachineName);
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if (this.IncludeOfInGame.Neutral)
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{
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machineNameFound |= (this.MachineName.MatchesPositiveSet(item.CloneOf) == true);
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machineNameFound |= (this.MachineName.MatchesPositiveSet(item.RomOf) == true);
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}
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if (machineNameFound == false)
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return false;
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machineNameFound = this.MachineName.MatchesNegativeSet(item.MachineName);
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if (this.IncludeOfInGame.Neutral)
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{
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machineNameFound |= (this.MachineName.MatchesNegativeSet(item.CloneOf) == true);
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machineNameFound |= (this.MachineName.MatchesNegativeSet(item.RomOf) == true);
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}
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if (machineNameFound == false)
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return false;
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// Filter on machine description
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if (this.MachineDescription.MatchesPositiveSet(item.MachineDescription) == false)
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return false;
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if (this.MachineDescription.MatchesNegativeSet(item.MachineDescription) == true)
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return false;
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// Filter on item name
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if (this.ItemName.MatchesPositiveSet(item.Name) == false)
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return false;
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if (this.ItemName.MatchesNegativeSet(item.Name) == true)
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return false;
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// Filter on item type
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if (this.ItemTypes.PositiveSet.Count == 0 && this.ItemTypes.NegativeSet.Count == 0
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&& item.ItemType != ItemType.Rom && item.ItemType != ItemType.Disk && item.ItemType != ItemType.Blank)
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return false;
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if (this.ItemTypes.MatchesPositiveSet(item.ItemType.ToString()) == false)
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return false;
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if (this.ItemTypes.MatchesNegativeSet(item.ItemType.ToString()) == true)
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return false;
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return true;
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}
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#endregion
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}
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}
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