92 lines
3.3 KiB
C#
92 lines
3.3 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Text.Json.Nodes;
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namespace PCL;
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/// <summary>
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/// Jar-in-Jar（内嵌模组）解析。
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/// </summary>
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public static class ModJarInJar
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{
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private const int MaxDepth = 5;
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/// <summary>
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/// 解析 <paramref name="jar" /> 内嵌套的其它 Mod jar，返回内嵌 Mod 列表。
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/// </summary>
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public static List<ModLocalComp.LocalCompFile> Resolve(string parentPath, ZipArchive jar, int depth = 0)
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{
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var result = new List<ModLocalComp.LocalCompFile>();
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if (depth >= MaxDepth) return result;
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var nestedPaths = new List<string>();
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_CollectFabricNestedJars(jar, nestedPaths);
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_CollectForgeNestedJars(jar, nestedPaths);
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foreach (var nestedPath in nestedPaths.Distinct())
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{
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try
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{
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var entry = jar.GetEntry(nestedPath);
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if (entry is null) continue;
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using var ms = new MemoryStream();
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using (var es = entry.Open()) es.CopyTo(ms);
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ms.Position = 0;
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using var nestedJar = new ZipArchive(ms, ZipArchiveMode.Read);
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var childPath = parentPath + "!/" + nestedPath;
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var child = new ModLocalComp.LocalCompFile(childPath);
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child.LookupMetadata(nestedJar);
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child.MarkLoaded();
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child.EmbeddedMods = Resolve(childPath, nestedJar, depth + 1);
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result.Add(child);
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}
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catch (Exception ex)
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{
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ModBase.Log(ex, "解析内嵌 Mod 失败（" + parentPath + " -> " + nestedPath + "）", ModBase.LogLevel.Developer);
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}
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}
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return result;
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}
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private static void _CollectFabricNestedJars(ZipArchive jar, List<string> paths)
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{
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try
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{
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var entry = jar.GetEntry("fabric.mod.json");
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if (entry is null) return;
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var obj = (JsonObject)ModBase.GetJson(ModBase.ReadFile(entry.Open()));
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if (obj.TryGetPropertyValue("jars", out var jars) && jars is JsonArray arr)
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foreach (var j in arr)
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if (j is JsonObject jo && jo.TryGetPropertyValue("file", out var file) && file is not null)
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paths.Add(file.ToString());
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}
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catch (Exception ex)
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{
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ModBase.Log(ex, "解析 fabric.mod.json 内嵌清单失败", ModBase.LogLevel.Developer);
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}
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}
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private static void _CollectForgeNestedJars(ZipArchive jar, List<string> paths)
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{
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try
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{
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var entry = jar.GetEntry("META-INF/jarjar/metadata.json");
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if (entry is null) return;
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var obj = (JsonObject)ModBase.GetJson(ModBase.ReadFile(entry.Open()));
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if (obj.TryGetPropertyValue("jars", out var jars) && jars is JsonArray arr)
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foreach (var j in arr)
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if (j is JsonObject jo && jo.TryGetPropertyValue("path", out var p) && p is not null)
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paths.Add(p.ToString());
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}
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catch (Exception ex)
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{
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ModBase.Log(ex, "解析 META-INF/jarjar/metadata.json 内嵌清单失败", ModBase.LogLevel.Developer);
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}
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}
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}
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