b58c1ea5bc
- Rename the filename parameter to name and make it mandatory. Review all callers and ensure a useful string is provided as input, to ensure sufficient context is included for logging and debugging. This can be a filename, url, or any arbitrary text so include whatever context seems reasonable. - When several MiniYamls are created that have similar content, provide a shared string pool. This allows strings that are common between all the yaml to be shared, reducing long term memory usage. We also change the pool from a dictionary to a set. Originally a Dictionary had to be used so we could call TryGetValue to get a reference to the pooled string. Now that more recent versions of dotnet provide a TryGetValue on HashSet, we can use a set directly without the memory wasted by having to store both keys and values in a dictionary.
89 lines
2.5 KiB
C#
89 lines
2.5 KiB
C#
#region Copyright & License Information
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/*
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* Copyright (c) The OpenRA Developers and Contributors
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version. For more
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* information, see COPYING.
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*/
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#endregion
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using OpenRA.Widgets;
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namespace OpenRA
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{
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public class WidgetLoader
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{
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readonly Dictionary<string, MiniYamlNode> widgets = new();
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readonly ModData modData;
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public WidgetLoader(ModData modData)
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{
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this.modData = modData;
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var stringPool = new HashSet<string>(); // Reuse common strings in YAML
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foreach (var file in modData.Manifest.ChromeLayout.Select(
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a => MiniYaml.FromStream(modData.DefaultFileSystem.Open(a), a, stringPool: stringPool)))
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foreach (var w in file)
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{
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var key = w.Key[(w.Key.IndexOf('@') + 1)..];
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if (widgets.ContainsKey(key))
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throw new InvalidDataException($"Widget has duplicate Key `{w.Key}` at {w.Location}");
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widgets.Add(key, w);
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}
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}
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public Widget LoadWidget(WidgetArgs args, Widget parent, string w)
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{
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if (!widgets.TryGetValue(w, out var ret))
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throw new InvalidDataException($"Cannot find widget with Id `{w}`");
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return LoadWidget(args, parent, ret);
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}
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public Widget LoadWidget(WidgetArgs args, Widget parent, MiniYamlNode node)
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{
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if (!args.ContainsKey("modData"))
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args = new WidgetArgs(args) { { "modData", modData } };
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var widget = NewWidget(node.Key, args);
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parent?.AddChild(widget);
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if (node.Key.Contains('@'))
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FieldLoader.LoadField(widget, "Id", node.Key.Split('@')[1]);
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foreach (var child in node.Value.Nodes)
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if (child.Key != "Children")
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FieldLoader.LoadField(widget, child.Key, child.Value.Value);
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widget.Initialize(args);
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foreach (var child in node.Value.Nodes)
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if (child.Key == "Children")
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foreach (var c in child.Value.Nodes)
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LoadWidget(args, widget, c);
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var logicNode = node.Value.NodeWithKeyOrDefault("Logic");
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var logic = logicNode?.Value.ToDictionary();
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args.Add("logicArgs", logic);
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widget.PostInit(args);
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args.Remove("logicArgs");
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return widget;
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}
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static Widget NewWidget(string widgetType, WidgetArgs args)
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{
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widgetType = widgetType.Split('@')[0];
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return Game.ModData.ObjectCreator.CreateObject<Widget>(widgetType + "Widget", args);
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}
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}
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}
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