diff options
Diffstat (limited to 'src/StardewModdingAPI/Framework/ModLoading/ModResolver.cs')
| -rw-r--r-- | src/StardewModdingAPI/Framework/ModLoading/ModResolver.cs | 374 |
1 files changed, 0 insertions, 374 deletions
diff --git a/src/StardewModdingAPI/Framework/ModLoading/ModResolver.cs b/src/StardewModdingAPI/Framework/ModLoading/ModResolver.cs deleted file mode 100644 index 6b19db5c..00000000 --- a/src/StardewModdingAPI/Framework/ModLoading/ModResolver.cs +++ /dev/null @@ -1,374 +0,0 @@ -using System; -using System.Collections.Generic; -using System.IO; -using System.Linq; -using StardewModdingAPI.Framework.Exceptions; -using StardewModdingAPI.Framework.Models; -using StardewModdingAPI.Framework.Serialisation; - -namespace StardewModdingAPI.Framework.ModLoading -{ - /// <summary>Finds and processes mod metadata.</summary> - internal class ModResolver - { - /********* - ** Public methods - *********/ - /// <summary>Get manifest metadata for each folder in the given root path.</summary> - /// <param name="rootPath">The root path to search for mods.</param> - /// <param name="jsonHelper">The JSON helper with which to read manifests.</param> - /// <param name="compatibilityRecords">Metadata about mods that SMAPI should assume is compatible or broken, regardless of whether it detects incompatible code.</param> - /// <param name="disabledMods">Metadata about mods that SMAPI should consider obsolete and not load.</param> - /// <returns>Returns the manifests by relative folder.</returns> - public IEnumerable<IModMetadata> ReadManifests(string rootPath, JsonHelper jsonHelper, IEnumerable<ModCompatibility> compatibilityRecords, IEnumerable<DisabledMod> disabledMods) - { - compatibilityRecords = compatibilityRecords.ToArray(); - disabledMods = disabledMods.ToArray(); - - foreach (DirectoryInfo modDir in this.GetModFolders(rootPath)) - { - // read file - Manifest manifest = null; - string path = Path.Combine(modDir.FullName, "manifest.json"); - string error = null; - try - { - // read manifest - manifest = jsonHelper.ReadJsonFile<Manifest>(path); - - // validate - if (manifest == null) - { - error = File.Exists(path) - ? "its manifest is invalid." - : "it doesn't have a manifest."; - } - else if (string.IsNullOrWhiteSpace(manifest.EntryDll)) - error = "its manifest doesn't set an entry DLL."; - } - catch (SParseException ex) - { - error = $"parsing its manifest failed: {ex.Message}"; - } - catch (Exception ex) - { - error = $"parsing its manifest failed:\n{ex.GetLogSummary()}"; - } - - // validate metadata - ModCompatibility compatibility = null; - if (manifest != null) - { - // get unique key for lookups - string key = !string.IsNullOrWhiteSpace(manifest.UniqueID) ? manifest.UniqueID : manifest.EntryDll; - - // check if mod should be disabled - DisabledMod disabledMod = disabledMods.FirstOrDefault(mod => mod.ID.Contains(key, StringComparer.InvariantCultureIgnoreCase)); - if (disabledMod != null) - error = $"it's obsolete: {disabledMod.ReasonPhrase}"; - - // get compatibility record - compatibility = ( - from mod in compatibilityRecords - where - mod.ID.Any(p => p.Matches(key, manifest)) - && (mod.LowerVersion == null || !manifest.Version.IsOlderThan(mod.LowerVersion)) - && !manifest.Version.IsNewerThan(mod.UpperVersion) - select mod - ).FirstOrDefault(); - } - - // build metadata - string displayName = !string.IsNullOrWhiteSpace(manifest?.Name) - ? manifest.Name - : modDir.FullName.Replace(rootPath, "").Trim('/', '\\'); - ModMetadataStatus status = error == null - ? ModMetadataStatus.Found - : ModMetadataStatus.Failed; - - yield return new ModMetadata(displayName, modDir.FullName, manifest, compatibility).SetStatus(status, error); - } - } - - /// <summary>Validate manifest metadata.</summary> - /// <param name="mods">The mod manifests to validate.</param> - /// <param name="apiVersion">The current SMAPI version.</param> - public void ValidateManifests(IEnumerable<IModMetadata> mods, ISemanticVersion apiVersion) - { - mods = mods.ToArray(); - - // validate each manifest - foreach (IModMetadata mod in mods) - { - // skip if already failed - if (mod.Status == ModMetadataStatus.Failed) - continue; - - // validate compatibility - { - ModCompatibility compatibility = mod.Compatibility; - if (compatibility?.Compatibility == ModCompatibilityType.AssumeBroken) - { -#if SMAPI_1_x - bool hasOfficialUrl = mod.Compatibility.UpdateUrls.Length > 0; - bool hasUnofficialUrl = mod.Compatibility.UpdateUrls.Length > 1; - - string reasonPhrase = compatibility.ReasonPhrase ?? "it's not compatible with the latest version of the game or SMAPI"; - string error = $"{reasonPhrase}. Please check for a version newer than {compatibility.UpperVersionLabel ?? compatibility.UpperVersion.ToString()} here:"; - if (hasOfficialUrl) - error += !hasUnofficialUrl ? $" {compatibility.UpdateUrls[0]}" : $"{Environment.NewLine}- official mod: {compatibility.UpdateUrls[0]}"; - if (hasUnofficialUrl) - error += $"{Environment.NewLine}- unofficial update: {compatibility.UpdateUrls[1]}"; -#else - string reasonPhrase = compatibility.ReasonPhrase ?? "it's no longer compatible"; - string error = $"{reasonPhrase}. Please check for a "; - if (mod.Manifest.Version.Equals(compatibility.UpperVersion) && compatibility.UpperVersionLabel == null) - error += "newer version"; - else - error += $"version newer than {compatibility.UpperVersionLabel ?? compatibility.UpperVersion.ToString()}"; - error += " at " + string.Join(" or ", compatibility.UpdateUrls); -#endif - - mod.SetStatus(ModMetadataStatus.Failed, error); - continue; - } - } - - // validate SMAPI version - if (mod.Manifest.MinimumApiVersion?.IsNewerThan(apiVersion) == true) - { - mod.SetStatus(ModMetadataStatus.Failed, $"it needs SMAPI {mod.Manifest.MinimumApiVersion} or later. Please update SMAPI to the latest version to use this mod."); - continue; - } - - // validate DLL path - string assemblyPath = Path.Combine(mod.DirectoryPath, mod.Manifest.EntryDll); - if (!File.Exists(assemblyPath)) - { - mod.SetStatus(ModMetadataStatus.Failed, $"its DLL '{mod.Manifest.EntryDll}' doesn't exist."); - continue; - } - - // validate required fields -#if !SMAPI_1_x - { - List<string> missingFields = new List<string>(3); - - if (string.IsNullOrWhiteSpace(mod.Manifest.Name)) - missingFields.Add(nameof(IManifest.Name)); - if (mod.Manifest.Version == null || mod.Manifest.Version.ToString() == "0.0") - missingFields.Add(nameof(IManifest.Version)); - if (string.IsNullOrWhiteSpace(mod.Manifest.UniqueID)) - missingFields.Add(nameof(IManifest.UniqueID)); - - if (missingFields.Any()) - mod.SetStatus(ModMetadataStatus.Failed, $"its manifest is missing required fields ({string.Join(", ", missingFields)})."); - } -#endif - } - - // validate IDs are unique -#if !SMAPI_1_x - { - var duplicatesByID = mods - .GroupBy(mod => mod.Manifest?.UniqueID?.Trim(), mod => mod, StringComparer.InvariantCultureIgnoreCase) - .Where(p => p.Count() > 1); - foreach (var group in duplicatesByID) - { - foreach (IModMetadata mod in group) - { - if (mod.Status == ModMetadataStatus.Failed) - continue; // don't replace metadata error - mod.SetStatus(ModMetadataStatus.Failed, $"its unique ID '{mod.Manifest.UniqueID}' is used by multiple mods ({string.Join(", ", group.Select(p => p.DisplayName))})."); - } - } - } -#endif - } - - /// <summary>Sort the given mods by the order they should be loaded.</summary> - /// <param name="mods">The mods to process.</param> - public IEnumerable<IModMetadata> ProcessDependencies(IEnumerable<IModMetadata> mods) - { - // initialise metadata - mods = mods.ToArray(); - var sortedMods = new Stack<IModMetadata>(); - var states = mods.ToDictionary(mod => mod, mod => ModDependencyStatus.Queued); - - // handle failed mods - foreach (IModMetadata mod in mods.Where(m => m.Status == ModMetadataStatus.Failed)) - { - states[mod] = ModDependencyStatus.Failed; - sortedMods.Push(mod); - } - - // sort mods - foreach (IModMetadata mod in mods) - this.ProcessDependencies(mods.ToArray(), mod, states, sortedMods, new List<IModMetadata>()); - - return sortedMods.Reverse(); - } - - - /********* - ** Private methods - *********/ - /// <summary>Sort a mod's dependencies by the order they should be loaded, and remove any mods that can't be loaded due to missing or conflicting dependencies.</summary> - /// <param name="mods">The full list of mods being validated.</param> - /// <param name="mod">The mod whose dependencies to process.</param> - /// <param name="states">The dependency state for each mod.</param> - /// <param name="sortedMods">The list in which to save mods sorted by dependency order.</param> - /// <param name="currentChain">The current change of mod dependencies.</param> - /// <returns>Returns the mod dependency status.</returns> - private ModDependencyStatus ProcessDependencies(IModMetadata[] mods, IModMetadata mod, IDictionary<IModMetadata, ModDependencyStatus> states, Stack<IModMetadata> sortedMods, ICollection<IModMetadata> currentChain) - { - // check if already visited - switch (states[mod]) - { - // already sorted or failed - case ModDependencyStatus.Sorted: - case ModDependencyStatus.Failed: - return states[mod]; - - // dependency loop - case ModDependencyStatus.Checking: - // This should never happen. The higher-level mod checks if the dependency is - // already being checked, so it can fail without visiting a mod twice. If this - // case is hit, that logic didn't catch the dependency loop for some reason. - throw new InvalidModStateException($"A dependency loop was not caught by the calling iteration ({string.Join(" => ", currentChain.Select(p => p.DisplayName))} => {mod.DisplayName}))."); - - // not visited yet, start processing - case ModDependencyStatus.Queued: - break; - - // sanity check - default: - throw new InvalidModStateException($"Unknown dependency status '{states[mod]}'."); - } - - // no dependencies, mark sorted - if (mod.Manifest.Dependencies == null || !mod.Manifest.Dependencies.Any()) - { - sortedMods.Push(mod); - return states[mod] = ModDependencyStatus.Sorted; - } - - // get dependencies - var dependencies = - ( - from entry in mod.Manifest.Dependencies - let dependencyMod = mods.FirstOrDefault(m => string.Equals(m.Manifest?.UniqueID, entry.UniqueID, StringComparison.InvariantCultureIgnoreCase)) - orderby entry.UniqueID - select new - { - ID = entry.UniqueID, - MinVersion = entry.MinimumVersion, - Mod = dependencyMod, - IsRequired = -#if SMAPI_1_x - true -#else - entry.IsRequired -#endif - } - ) - .ToArray(); - - // missing required dependencies, mark failed - { - string[] failedIDs = (from entry in dependencies where entry.IsRequired && entry.Mod == null select entry.ID).ToArray(); - if (failedIDs.Any()) - { - sortedMods.Push(mod); - mod.SetStatus(ModMetadataStatus.Failed, $"it requires mods which aren't installed ({string.Join(", ", failedIDs)})."); - return states[mod] = ModDependencyStatus.Failed; - } - } - - // dependency min version not met, mark failed - { - string[] failedLabels = - ( - from entry in dependencies - where entry.Mod != null && entry.MinVersion != null && entry.MinVersion.IsNewerThan(entry.Mod.Manifest.Version) - select $"{entry.Mod.DisplayName} (needs {entry.MinVersion} or later)" - ) - .ToArray(); - if (failedLabels.Any()) - { - sortedMods.Push(mod); - mod.SetStatus(ModMetadataStatus.Failed, $"it needs newer versions of some mods: {string.Join(", ", failedLabels)}."); - return states[mod] = ModDependencyStatus.Failed; - } - } - - // process dependencies - { - states[mod] = ModDependencyStatus.Checking; - - // recursively sort dependencies - foreach (var dependency in dependencies) - { - IModMetadata requiredMod = dependency.Mod; - var subchain = new List<IModMetadata>(currentChain) { mod }; - - // ignore missing optional dependency - if (!dependency.IsRequired && requiredMod == null) - continue; - - // detect dependency loop - if (states[requiredMod] == ModDependencyStatus.Checking) - { - sortedMods.Push(mod); - mod.SetStatus(ModMetadataStatus.Failed, $"its dependencies have a circular reference: {string.Join(" => ", subchain.Select(p => p.DisplayName))} => {requiredMod.DisplayName})."); - return states[mod] = ModDependencyStatus.Failed; - } - - // recursively process each dependency - var substatus = this.ProcessDependencies(mods, requiredMod, states, sortedMods, subchain); - switch (substatus) - { - // sorted successfully - case ModDependencyStatus.Sorted: - break; - - // failed, which means this mod can't be loaded either - case ModDependencyStatus.Failed: - sortedMods.Push(mod); - mod.SetStatus(ModMetadataStatus.Failed, $"it needs the '{requiredMod.DisplayName}' mod, which couldn't be loaded."); - return states[mod] = ModDependencyStatus.Failed; - - // unexpected status - case ModDependencyStatus.Queued: - case ModDependencyStatus.Checking: - throw new InvalidModStateException($"Something went wrong sorting dependencies: mod '{requiredMod.DisplayName}' unexpectedly stayed in the '{substatus}' status."); - - // sanity check - default: - throw new InvalidModStateException($"Unknown dependency status '{states[mod]}'."); - } - } - - // all requirements sorted successfully - sortedMods.Push(mod); - return states[mod] = ModDependencyStatus.Sorted; - } - } - - /// <summary>Get all mod folders in a root folder, passing through empty folders as needed.</summary> - /// <param name="rootPath">The root folder path to search.</param> - private IEnumerable<DirectoryInfo> GetModFolders(string rootPath) - { - foreach (string modRootPath in Directory.GetDirectories(rootPath)) - { - DirectoryInfo directory = new DirectoryInfo(modRootPath); - - // if a folder only contains another folder, check the inner folder instead - while (!directory.GetFiles().Any() && directory.GetDirectories().Length == 1) - directory = directory.GetDirectories().First(); - - yield return directory; - } - } - } -} |