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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using StardewModdingAPI.Toolkit.Serialization;
using StardewModdingAPI.Toolkit.Serialization.Models;
using StardewModdingAPI.Toolkit.Utilities;
namespace StardewModdingAPI.ModBuildConfig.Framework
{
/// <summary>Manages the files that are part of a mod package.</summary>
internal class ModFileManager
{
/*********
** Fields
*********/
/// <summary>The name of the manifest file.</summary>
private readonly string ManifestFileName = "manifest.json";
/// <summary>The files that are part of the package.</summary>
private readonly IDictionary<string, FileInfo> Files;
/*********
** Public methods
*********/
/// <summary>Construct an instance.</summary>
/// <param name="projectDir">The folder containing the project files.</param>
/// <param name="targetDir">The folder containing the build output.</param>
/// <param name="ignoreFilePatterns">Custom regex patterns matching files to ignore when deploying or zipping the mod.</param>
/// <param name="validateRequiredModFiles">Whether to validate that required mod files like the manifest are present.</param>
/// <exception cref="UserErrorException">The mod package isn't valid.</exception>
public ModFileManager(string projectDir, string targetDir, Regex[] ignoreFilePatterns, bool validateRequiredModFiles)
{
this.Files = new Dictionary<string, FileInfo>(StringComparer.InvariantCultureIgnoreCase);
// validate paths
if (!Directory.Exists(projectDir))
throw new UserErrorException("Could not create mod package because the project folder wasn't found.");
if (!Directory.Exists(targetDir))
throw new UserErrorException("Could not create mod package because no build output was found.");
// collect files
foreach (Tuple<string, FileInfo> entry in this.GetPossibleFiles(projectDir, targetDir))
{
string relativePath = entry.Item1;
FileInfo file = entry.Item2;
if (!this.ShouldIgnore(file, relativePath, ignoreFilePatterns))
this.Files[relativePath] = file;
}
// check for required files
if (validateRequiredModFiles)
{
// manifest
if (!this.Files.ContainsKey(this.ManifestFileName))
throw new UserErrorException($"Could not create mod package because no {this.ManifestFileName} was found in the project or build output.");
// DLL
// ReSharper disable once SimplifyLinqExpression
if (!this.Files.Any(p => !p.Key.EndsWith(".dll")))
throw new UserErrorException("Could not create mod package because no .dll file was found in the project or build output.");
}
}
/// <summary>Get the files in the mod package.</summary>
public IDictionary<string, FileInfo> GetFiles()
{
return new Dictionary<string, FileInfo>(this.Files, StringComparer.InvariantCultureIgnoreCase);
}
/// <summary>Get a semantic version from the mod manifest.</summary>
/// <exception cref="UserErrorException">The manifest is missing or invalid.</exception>
public string GetManifestVersion()
{
if (!this.Files.TryGetValue(this.ManifestFileName, out FileInfo manifestFile) || !new JsonHelper().ReadJsonFileIfExists(manifestFile.FullName, out Manifest manifest))
throw new InvalidOperationException($"The mod does not have a {this.ManifestFileName} file."); // shouldn't happen since we validate in constructor
return manifest.Version.ToString();
}
/*********
** Private methods
*********/
/// <summary>Get all files to include in the mod folder, not accounting for ignore patterns.</summary>
/// <param name="projectDir">The folder containing the project files.</param>
/// <param name="targetDir">The folder containing the build output.</param>
/// <returns>Returns tuples containing the relative path within the mod folder, and the file to copy to it.</returns>
private IEnumerable<Tuple<string, FileInfo>> GetPossibleFiles(string projectDir, string targetDir)
{
// project manifest
bool hasProjectManifest = false;
{
FileInfo manifest = new FileInfo(Path.Combine(projectDir, this.ManifestFileName));
if (manifest.Exists)
{
yield return Tuple.Create(this.ManifestFileName, manifest);
hasProjectManifest = true;
}
}
// project i18n files
bool hasProjectTranslations = false;
DirectoryInfo translationsFolder = new DirectoryInfo(Path.Combine(projectDir, "i18n"));
if (translationsFolder.Exists)
{
foreach (FileInfo file in translationsFolder.EnumerateFiles())
yield return Tuple.Create(Path.Combine("i18n", file.Name), file);
hasProjectTranslations = true;
}
// project assets folder
bool hasAssetsFolder = false;
DirectoryInfo assetsFolder = new DirectoryInfo(Path.Combine(projectDir, "assets"));
if (assetsFolder.Exists)
{
foreach (FileInfo file in assetsFolder.EnumerateFiles("*", SearchOption.AllDirectories))
{
string relativePath = PathUtilities.GetRelativePath(projectDir, file.FullName);
yield return Tuple.Create(relativePath, file);
}
hasAssetsFolder = true;
}
// build output
DirectoryInfo buildFolder = new DirectoryInfo(targetDir);
foreach (FileInfo file in buildFolder.EnumerateFiles("*", SearchOption.AllDirectories))
{
// get path info
string relativePath = PathUtilities.GetRelativePath(buildFolder.FullName, file.FullName);
string[] segments = PathUtilities.GetSegments(relativePath);
// prefer project manifest/i18n/assets files
if (hasProjectManifest && this.EqualsInvariant(relativePath, this.ManifestFileName))
continue;
if (hasProjectTranslations && this.EqualsInvariant(segments[0], "i18n"))
continue;
if (hasAssetsFolder && this.EqualsInvariant(segments[0], "assets"))
continue;
// add file
yield return Tuple.Create(relativePath, file);
}
}
/// <summary>Get whether a build output file should be ignored.</summary>
/// <param name="file">The file to check.</param>
/// <param name="relativePath">The file's relative path in the package.</param>
/// <param name="ignoreFilePatterns">Custom regex patterns matching files to ignore when deploying or zipping the mod.</param>
private bool ShouldIgnore(FileInfo file, string relativePath, Regex[] ignoreFilePatterns)
{
return
// release zips
this.EqualsInvariant(file.Extension, ".zip")
// Harmony (bundled into SMAPI)
|| this.EqualsInvariant(file.Name, "0Harmony.dll")
// Json.NET (bundled into SMAPI)
|| this.EqualsInvariant(file.Name, "Newtonsoft.Json.dll")
|| this.EqualsInvariant(file.Name, "Newtonsoft.Json.pdb")
|| this.EqualsInvariant(file.Name, "Newtonsoft.Json.xml")
// code analysis files
|| file.Name.EndsWith(".CodeAnalysisLog.xml", StringComparison.InvariantCultureIgnoreCase)
|| file.Name.EndsWith(".lastcodeanalysissucceeded", StringComparison.InvariantCultureIgnoreCase)
// OS metadata files
|| this.EqualsInvariant(file.Name, ".DS_Store")
|| this.EqualsInvariant(file.Name, "Thumbs.db")
// custom ignore patterns
|| ignoreFilePatterns.Any(p => p.IsMatch(relativePath));
}
/// <summary>Get whether a string is equal to another case-insensitively.</summary>
/// <param name="str">The string value.</param>
/// <param name="other">The string to compare with.</param>
private bool EqualsInvariant(string str, string other)
{
if (str == null)
return other == null;
return str.Equals(other, StringComparison.InvariantCultureIgnoreCase);
}
}
}
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