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Reduce uncertainty in returned value nullability

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This commit is contained in:
Matt Nadareski
2025-01-13 13:22:48 -05:00
parent 8ec4605725
commit c6dde56c1e
5 changed files with 86 additions and 121 deletions
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191
SabreTools.DatFiles/DatFile.Splitting.cs
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@@ -116,8 +116,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucket(bucket);
if (items == null || items.Count == 0)
List<DatItem> items = GetItemsForBucket(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -125,14 +125,10 @@ namespace SabreTools.DatFiles
if (machine == null)
continue;
// Get the bios parent
// Get the romof parent items
string? romOf = machine.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
if (string.IsNullOrEmpty(romOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucket(romOf!);
if (parentItems == null || parentItems.Count == 0)
List<DatItem> parentItems = GetItemsForBucket(romOf);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we copy the items from the parent to the current game
@@ -160,8 +156,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the source for the first item
@@ -172,14 +168,10 @@ namespace SabreTools.DatFiles
if (machine.Value == null)
continue;
// Get the bios parent
// Get the romof parent items
string? romOf = machine.Value.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
if (string.IsNullOrEmpty(romOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucketDB(romOf!);
if (parentItems == null || parentItems.Count == 0)
Dictionary<long, DatItem> parentItems = GetItemsForBucketDB(romOf!);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we copy the items from the parent to the current game
@@ -212,8 +204,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucket(bucket);
if (items == null || items.Count == 0)
List<DatItem> items = GetItemsForBucket(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -221,17 +213,13 @@ namespace SabreTools.DatFiles
if (machine == null)
continue;
// Get the clone parent
// Get the cloneof parent items
string? cloneOf = machine.GetStringFieldValue(Models.Metadata.Machine.CloneOfKey);
if (string.IsNullOrEmpty(cloneOf))
continue;
// Get the parent items
var parentItems = GetItemsForBucket(cloneOf!);
List<DatItem> parentItems = GetItemsForBucket(cloneOf);
// Otherwise, move the items from the current game to a subfolder of the parent game
DatItem copyFrom;
if (parentItems == null || parentItems.Count == 0)
if (parentItems.Count == 0)
{
copyFrom = new Rom();
copyFrom.GetFieldValue<Machine>(DatItem.MachineKey)!.SetFieldValue<string?>(Models.Metadata.Machine.NameKey, cloneOf);
@@ -251,7 +239,7 @@ namespace SabreTools.DatFiles
string? mergeTag = disk.GetStringFieldValue(Models.Metadata.Disk.MergeKey);
// If the merge tag exists and the parent already contains it, skip
if (mergeTag != null && GetItemsForBucket(cloneOf!)!
if (mergeTag != null && GetItemsForBucket(cloneOf)
.FindAll(i => i is Disk)
.ConvertAll(i => (i as Disk)!.GetName()).Contains(mergeTag))
{
@@ -259,7 +247,7 @@ namespace SabreTools.DatFiles
}
// If the merge tag exists but the parent doesn't contain it, add to parent
else if (mergeTag != null && !GetItemsForBucket(cloneOf!)!
else if (mergeTag != null && !GetItemsForBucket(cloneOf)
.FindAll(i => i is Disk)
.ConvertAll(i => (i as Disk)!.GetName()).Contains(mergeTag))
{
@@ -279,7 +267,7 @@ namespace SabreTools.DatFiles
else if (item is Rom rom)
{
// If the merge tag exists and the parent already contains it, skip
if (rom.GetStringFieldValue(Models.Metadata.Rom.MergeKey) != null && GetItemsForBucket(cloneOf!)!
if (rom.GetStringFieldValue(Models.Metadata.Rom.MergeKey) != null && GetItemsForBucket(cloneOf)
.FindAll(i => i is Rom)
.ConvertAll(i => (i as Rom)!.GetName())
.Contains(rom.GetStringFieldValue(Models.Metadata.Rom.MergeKey)))
@@ -288,7 +276,7 @@ namespace SabreTools.DatFiles
}
// If the merge tag exists but the parent doesn't contain it, add to subfolder of parent
else if (rom.GetStringFieldValue(Models.Metadata.Rom.MergeKey) != null && !GetItemsForBucket(cloneOf!)!
else if (rom.GetStringFieldValue(Models.Metadata.Rom.MergeKey) != null && !GetItemsForBucket(cloneOf)
.FindAll(i => i is Rom)
.ConvertAll(i => (i as Rom)!.GetName())
.Contains(rom.GetStringFieldValue(Models.Metadata.Rom.MergeKey)))
@@ -301,7 +289,7 @@ namespace SabreTools.DatFiles
}
// If the parent doesn't already contain this item, add to subfolder of parent
else if (!GetItemsForBucket(cloneOf!)!.Contains(item) || skipDedup)
else if (!GetItemsForBucket(cloneOf).Contains(item) || skipDedup)
{
if (subfolder)
rom.SetName($"{item.GetFieldValue<Machine>(DatItem.MachineKey)!.GetStringFieldValue(Models.Metadata.Machine.NameKey)}\\{rom.GetName()}");
@@ -312,7 +300,7 @@ namespace SabreTools.DatFiles
}
// All other that would be missing to subfolder of parent
else if (!GetItemsForBucket(cloneOf!)!.Contains(item))
else if (!GetItemsForBucket(cloneOf).Contains(item))
{
if (subfolder)
item.SetName($"{item.GetFieldValue<Machine>(DatItem.MachineKey)!.GetStringFieldValue(Models.Metadata.Machine.NameKey)}\\{item.GetName()}");
@@ -342,8 +330,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the machine for the first item
@@ -365,8 +353,8 @@ namespace SabreTools.DatFiles
foreach (var item in items)
{
// Get the parent items and current machine name
var parentItems = GetItemsForBucketDB(cloneOf!);
if (parentItems == null || parentItems.Count == 0)
Dictionary<long, DatItem> parentItems = GetItemsForBucketDB(cloneOf);
if (parentItems.Count == 0)
continue;
string? machineName = ItemsDB.GetMachineForItem(item.Key).Value?
@@ -479,8 +467,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket doesn't have items
var datItems = GetItemsForBucket(bucket);
if (datItems == null || datItems.Count == 0)
List<DatItem> datItems = GetItemsForBucket(bucket);
if (datItems.Count == 0)
continue;
// If the machine (is/is not) a device, we want to continue
@@ -512,13 +500,9 @@ namespace SabreTools.DatFiles
var newDeviceReferences = new HashSet<string>();
foreach (string? deviceReference in deviceReferences)
{
// If the device reference is missing
if (string.IsNullOrEmpty(deviceReference))
continue;
// Add to the list of new device reference names
var devItems = GetItemsForBucket(deviceReference!);
if (devItems == null || devItems.Count == 0)
List<DatItem> devItems = GetItemsForBucket(deviceReference);
if (devItems.Count == 0)
continue;
newDeviceReferences.UnionWith(devItems
@@ -562,14 +546,9 @@ namespace SabreTools.DatFiles
var newSlotOptions = new HashSet<string>();
foreach (string? slotOption in slotOptions)
{
// If the slot option is missing
if (string.IsNullOrEmpty(slotOption))
// If the machine doesn't exist then we continue
continue;
// Add to the list of new slot option names
var slotItems = GetItemsForBucket(slotOption!);
if (slotItems == null || slotItems.Count == 0)
List<DatItem> slotItems = GetItemsForBucket(slotOption);
if (slotItems.Count == 0)
continue;
newSlotOptions.UnionWith(slotItems
@@ -633,8 +612,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the source for the first item
@@ -679,8 +658,8 @@ namespace SabreTools.DatFiles
continue;
// If the machine doesn't exist then we continue
var devItems = GetItemsForBucketDB(deviceReference);
if (devItems == null || devItems.Count == 0)
Dictionary<long, DatItem> devItems = GetItemsForBucketDB(deviceReference);
if (devItems.Count == 0)
continue;
// Add to the list of new device reference names
@@ -733,8 +712,8 @@ namespace SabreTools.DatFiles
continue;
// If the machine doesn't exist then we continue
var slotItems = GetItemsForBucketDB(slotOption);
if (slotItems == null || slotItems.Count == 0)
Dictionary<long, DatItem> slotItems = GetItemsForBucketDB(slotOption);
if (slotItems.Count == 0)
continue;
// Add to the list of new slot option names
@@ -745,7 +724,7 @@ namespace SabreTools.DatFiles
.Select(o => o.GetStringFieldValue(Models.Metadata.SlotOption.DevNameKey)!));
// Set new machine information and add to the current machine
var copyFrom = ItemsDB.GetMachineForItem(GetItemsForBucketDB(bucket)!.First().Key);
var copyFrom = ItemsDB.GetMachineForItem(GetItemsForBucketDB(bucket).First().Key);
if (copyFrom.Value == null)
continue;
@@ -800,8 +779,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucket(bucket);
if (items == null || items.Count == 0)
List<DatItem> items = GetItemsForBucket(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -809,14 +788,10 @@ namespace SabreTools.DatFiles
if (machine == null)
continue;
// Get the clone parent
// Get the cloneof parent items
string? cloneOf = machine.GetStringFieldValue(Models.Metadata.Machine.CloneOfKey);
if (string.IsNullOrEmpty(cloneOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucket(cloneOf!);
if (parentItems == null || parentItems.Count == 0)
List<DatItem> parentItems = GetItemsForBucket(cloneOf!);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we copy the items from the parent to the current game
@@ -834,7 +809,7 @@ namespace SabreTools.DatFiles
// Now we want to get the parent romof tag and put it in each of the items
items = GetItemsForBucket(bucket);
string? romof = GetItemsForBucket(cloneOf!)![0].GetFieldValue<Machine>(DatItem.MachineKey)!.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
string? romof = GetItemsForBucket(cloneOf)[0].GetFieldValue<Machine>(DatItem.MachineKey)!.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
foreach (DatItem item in items)
{
item.GetFieldValue<Machine>(DatItem.MachineKey)!.SetFieldValue<string?>(Models.Metadata.Machine.RomOfKey, romof);
@@ -855,8 +830,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the source for the first item
@@ -873,8 +848,8 @@ namespace SabreTools.DatFiles
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucketDB(cloneOf!);
if (parentItems == null || parentItems.Count == 0)
Dictionary<long, DatItem> parentItems = GetItemsForBucketDB(cloneOf!);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we copy the items from the parent to the current game
@@ -889,7 +864,7 @@ namespace SabreTools.DatFiles
}
// Get the parent machine
var parentMachine = ItemsDB.GetMachineForItem(GetItemsForBucketDB(cloneOf!)!.First().Key);
var parentMachine = ItemsDB.GetMachineForItem(GetItemsForBucketDB(cloneOf).First().Key);
if (parentMachine.Value == null)
continue;
@@ -922,8 +897,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucket(bucket);
if (items == null || items.Count == 0)
List<DatItem> items = GetItemsForBucket(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -953,8 +928,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -989,8 +964,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucket(bucket);
if (items == null || items.Count == 0)
List<DatItem> items = GetItemsForBucket(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -998,14 +973,10 @@ namespace SabreTools.DatFiles
if (machine == null)
continue;
// Get the clone parent
// Get the cloneof parent items
string? cloneOf = machine.GetStringFieldValue(Models.Metadata.Machine.CloneOfKey);
if (string.IsNullOrEmpty(cloneOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucket(cloneOf!);
if (parentItems == null || parentItems.Count == 0)
List<DatItem> parentItems = GetItemsForBucket(cloneOf);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we remove the parent items from the current game
@@ -1020,7 +991,7 @@ namespace SabreTools.DatFiles
// Now we want to get the parent romof tag and put it in each of the remaining items
items = GetItemsForBucket(bucket);
string? romof = GetItemsForBucket(cloneOf!)[0].GetFieldValue<Machine>(DatItem.MachineKey)!.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
string? romof = GetItemsForBucket(cloneOf)[0].GetFieldValue<Machine>(DatItem.MachineKey)!.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
foreach (DatItem item in items)
{
item.GetFieldValue<Machine>(DatItem.MachineKey)!.SetFieldValue<string?>(Models.Metadata.Machine.RomOfKey, romof);
@@ -1041,8 +1012,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the machine for the first item
@@ -1050,13 +1021,9 @@ namespace SabreTools.DatFiles
if (machine.Value == null)
continue;
// Get the clone parent
// Get the cloneof parent items
string? cloneOf = machine.Value.GetStringFieldValue(Models.Metadata.Machine.CloneOfKey);
if (string.IsNullOrEmpty(cloneOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucketDB(cloneOf!);
Dictionary<long, DatItem> parentItems = GetItemsForBucketDB(cloneOf!);
if (parentItems == null || parentItems.Count == 0)
continue;
@@ -1072,7 +1039,7 @@ namespace SabreTools.DatFiles
// Now we want to get the parent romof tag and put it in each of the remaining items
items = GetItemsForBucketDB(bucket);
machine = ItemsDB.GetMachineForItem(GetItemsForBucketDB(cloneOf!)!.First().Key);
machine = ItemsDB.GetMachineForItem(GetItemsForBucketDB(cloneOf).First().Key);
if (machine.Value == null)
continue;
@@ -1105,8 +1072,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucket(bucket);
if (items == null || items.Count == 0)
List<DatItem> items = GetItemsForBucket(bucket);
if (items.Count == 0)
continue;
// Get the machine
@@ -1118,14 +1085,10 @@ namespace SabreTools.DatFiles
if (bios ^ (machine.GetBoolFieldValue(Models.Metadata.Machine.IsBiosKey) == true))
continue;
// Get the bios parent
// Get the romof parent items
string? romOf = machine.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
if (string.IsNullOrEmpty(romOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucket(romOf!);
if (parentItems == null || parentItems.Count == 0)
List<DatItem> parentItems = GetItemsForBucket(romOf!);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we remove the items that are in the parent from the current game
@@ -1155,8 +1118,8 @@ namespace SabreTools.DatFiles
foreach (string bucket in buckets)
{
// If the bucket has no items in it
var items = GetItemsForBucketDB(bucket);
if (items == null || items.Count == 0)
Dictionary<long, DatItem> items = GetItemsForBucketDB(bucket);
if (items.Count == 0)
continue;
// Get the machine for the item
@@ -1168,14 +1131,10 @@ namespace SabreTools.DatFiles
if (bios ^ (machine.Value.GetBoolFieldValue(Models.Metadata.Machine.IsBiosKey) == true))
continue;
// Get the bios parent
// Get the romof parent items
string? romOf = machine.Value.GetStringFieldValue(Models.Metadata.Machine.RomOfKey);
if (string.IsNullOrEmpty(romOf))
continue;
// If the parent doesn't have any items, we want to continue
var parentItems = GetItemsForBucketDB(romOf!);
if (parentItems == null || parentItems.Count == 0)
Dictionary<long, DatItem> parentItems = GetItemsForBucketDB(romOf!);
if (parentItems.Count == 0)
continue;
// If the parent exists and has items, we remove the items that are in the parent from the current game
@@ -1212,7 +1171,7 @@ namespace SabreTools.DatFiles
var machine = item.GetFieldValue<Machine>(DatItem.MachineKey);
if (machine == null)
continue;
machine.SetFieldValue<string?>(Models.Metadata.Machine.CloneOfKey, null);
machine.SetFieldValue<string?>(Models.Metadata.Machine.RomOfKey, null);
machine.SetFieldValue<string?>(Models.Metadata.Machine.SampleOfKey, null);