A game about forced loneliness, made by TACStudios
tacstudios.tngl.sh
1using System;
2using System.IO;
3using UnityEditor.ShaderGraph.Serialization;
4using Debug = UnityEngine.Debug;
5using UnityEditor.VersionControl;
6using System.Text;
7
8namespace UnityEditor.ShaderGraph
9{
10 static class FileUtilities
11 {
12 // if successfully written to disk, returns the serialized file contents as a string
13 // on failure, returns null
14 public static string WriteShaderGraphToDisk(string path, GraphData data)
15 {
16 if (data == null)
17 {
18 // Returning false may be better than throwing this exception, in terms of preserving data.
19 // But if GraphData is null, it's likely we don't have any data to preserve anyways.
20 // So this exception seems fine for now.
21 throw new ArgumentNullException(nameof(data));
22 }
23
24 var text = MultiJson.Serialize(data);
25 if (WriteToDisk(path, text))
26 return text;
27 else
28 return null;
29 }
30
31 // returns true if successfully written to disk
32 public static bool WriteToDisk(string path, string text)
33 {
34 CheckoutIfValid(path);
35
36 while (true)
37 {
38 try
39 {
40 File.WriteAllText(path, text);
41 }
42 catch (Exception e)
43 {
44 if (e.GetBaseException() is UnauthorizedAccessException &&
45 (File.GetAttributes(path) & FileAttributes.ReadOnly) == FileAttributes.ReadOnly)
46 {
47 if (EditorUtility.DisplayDialog("File is Read-Only", path, "Make Writeable", "Cancel Save"))
48 {
49 // make writeable
50 FileInfo fileInfo = new FileInfo(path);
51 fileInfo.IsReadOnly = false;
52 continue; // retry save
53 }
54 else
55 return false;
56 }
57
58 Debug.LogException(e);
59
60 if (EditorUtility.DisplayDialog("Exception While Saving", e.ToString(), "Retry", "Cancel"))
61 continue; // retry save
62 else
63 return false;
64 }
65 break; // no exception, file save success!
66 }
67
68 return true;
69 }
70
71 // returns contents of the asset file as a string, or null if any error or exception occurred
72 public static string SafeReadAllText(string assetPath)
73 {
74 string result = null;
75 try
76 {
77 result = File.ReadAllText(assetPath, Encoding.UTF8);
78 }
79 catch
80 {
81 result = null;
82 }
83 return result;
84 }
85
86 static void CheckoutIfValid(string path)
87 {
88 if (VersionControl.Provider.enabled && VersionControl.Provider.isActive)
89 {
90 var asset = VersionControl.Provider.GetAssetByPath(path);
91 if (asset != null)
92 {
93 if (!VersionControl.Provider.IsOpenForEdit(asset))
94 {
95 var task = VersionControl.Provider.Checkout(asset, VersionControl.CheckoutMode.Asset);
96 task.Wait();
97
98 if (!task.success)
99 Debug.Log(task.text + " " + task.resultCode);
100 }
101 }
102 }
103 }
104 }
105}