138 lines
4.4 KiB
C#
138 lines
4.4 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.Linq;
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using Unity.CodeEditor;
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namespace VSCodeEditor
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{
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public interface IDiscovery
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{
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CodeEditor.Installation[] PathCallback();
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}
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public class VSCodeDiscovery : IDiscovery
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{
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List<CodeEditor.Installation> m_Installations;
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public CodeEditor.Installation[] PathCallback()
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{
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if (m_Installations == null)
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{
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m_Installations = new List<CodeEditor.Installation>();
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FindInstallationPaths();
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}
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return m_Installations.ToArray();
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}
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void FindInstallationPaths()
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{
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string[] possiblePaths =
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#if UNITY_EDITOR_OSX
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{
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"/Applications/Visual Studio Code.app",
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"/Applications/Visual Studio Code - Insiders.app"
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};
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#elif UNITY_EDITOR_WIN
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{
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GetProgramFiles() + @"/Microsoft VS Code/bin/code.cmd",
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GetProgramFiles() + @"/Microsoft VS Code/Code.exe",
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GetProgramFiles() + @"/Microsoft VS Code Insiders/bin/code-insiders.cmd",
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GetProgramFiles() + @"/Microsoft VS Code Insiders/Code.exe",
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GetLocalAppData() + @"/Programs/Microsoft VS Code/bin/code.cmd",
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GetLocalAppData() + @"/Programs/Microsoft VS Code/Code.exe",
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GetLocalAppData() + @"/Programs/Microsoft VS Code Insiders/bin/code-insiders.cmd",
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GetLocalAppData() + @"/Programs/Microsoft VS Code Insiders/Code.exe",
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};
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#else
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{
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"/usr/bin/code",
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"/bin/code",
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"/usr/local/bin/code",
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"/var/lib/flatpak/exports/bin/com.visualstudio.code",
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"/snap/current/bin/code"
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};
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#endif
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var existingPaths = possiblePaths.Where(VSCodeExists).ToList();
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if (!existingPaths.Any())
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{
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return;
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}
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var lcp = GetLongestCommonPrefix(existingPaths);
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switch (existingPaths.Count)
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{
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case 1:
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{
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var path = existingPaths.First();
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m_Installations = new List<CodeEditor.Installation>
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{
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new CodeEditor.Installation
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{
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Path = path,
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Name = path.Contains("Insiders")
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? "Visual Studio Code Insiders"
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: "Visual Studio Code"
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}
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};
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break;
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}
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case 2 when existingPaths.Any(path => !(path.Substring(lcp.Length).Contains("/") || path.Substring(lcp.Length).Contains("\\"))):
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{
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goto case 1;
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}
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default:
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{
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m_Installations = existingPaths.Select(path => new CodeEditor.Installation
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{
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Name = $"Visual Studio Code Insiders ({path.Substring(lcp.Length)})",
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Path = path
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}).ToList();
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break;
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}
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}
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}
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#if UNITY_EDITOR_WIN
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static string GetProgramFiles()
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{
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return Environment.GetEnvironmentVariable("ProgramFiles")?.Replace("\\", "/");
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}
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static string GetLocalAppData()
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{
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return Environment.GetEnvironmentVariable("LOCALAPPDATA")?.Replace("\\", "/");
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}
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#endif
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static string GetLongestCommonPrefix(List<string> paths)
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{
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var baseLength = paths.First().Length;
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for (var pathIndex = 1; pathIndex < paths.Count; pathIndex++)
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{
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baseLength = Math.Min(baseLength, paths[pathIndex].Length);
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for (var i = 0; i < baseLength; i++)
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{
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if (paths[pathIndex][i] == paths[0][i]) continue;
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baseLength = i;
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break;
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}
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}
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return paths[0].Substring(0, baseLength);
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}
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static bool VSCodeExists(string path)
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{
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#if UNITY_EDITOR_OSX
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return System.IO.Directory.Exists(path);
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#else
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return new FileInfo(path).Exists;
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#endif
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}
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}
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}
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