1 files changed, 72 insertions, 0 deletions
diff --git a/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
new file mode 100644
index 0000000000..22cf89695d
--- /dev/null
+++ b/modules/mono/editor/GodotTools/GodotTools.ProjectEditor/ProjectUtils.cs
@@ -0,0 +1,72 @@
+using GodotTools.Core;
+using System.Collections.Generic;
+using System.IO;
+using DotNet.Globbing;
+using Microsoft.Build.Construction;
+
+namespace GodotTools.ProjectEditor
+{
+    public static class ProjectUtils
+    {
+        public static void AddItemToProjectChecked(string projectPath, string itemType, string include)
+        {
+            var dir = Directory.GetParent(projectPath).FullName;
+            var root = ProjectRootElement.Open(projectPath);
+            var normalizedInclude = include.RelativeToPath(dir).Replace("/", "\\");
+
+            if (root.AddItemChecked(itemType, normalizedInclude))
+                root.Save();
+        }
+
+        private static string[] GetAllFilesRecursive(string rootDirectory, string mask)
+        {
+            string[] files = Directory.GetFiles(rootDirectory, mask, SearchOption.AllDirectories);
+
+            // We want relative paths
+            for (int i = 0; i < files.Length; i++) {
+                files[i] = files[i].RelativeToPath(rootDirectory);
+            }
+
+            return files;
+        }
+
+        public static string[] GetIncludeFiles(string projectPath, string itemType)
+        {
+            var result = new List<string>();
+            var existingFiles = GetAllFilesRecursive(Path.GetDirectoryName(projectPath), "*.cs");
+
+            GlobOptions globOptions = new GlobOptions();
+            globOptions.Evaluation.CaseInsensitive = false;
+
+            var root = ProjectRootElement.Open(projectPath);
+
+            foreach (var itemGroup in root.ItemGroups)
+            {
+                if (itemGroup.Condition.Length != 0)
+                    continue;
+
+                foreach (var item in itemGroup.Items)
+                {
+                    if (item.ItemType != itemType)
+                        continue;
+
+                    string normalizedInclude = item.Include.NormalizePath();
+
+                    var glob = Glob.Parse(normalizedInclude, globOptions);
+
+                    // TODO Check somehow if path has no blob to avoid the following loop...
+
+                    foreach (var existingFile in existingFiles)
+                    {
+                        if (glob.IsMatch(existingFile))
+                        {
+                            result.Add(existingFile);
+                        }
+                    }
+                }
+            }
+
+            return result.ToArray();
+        }
+    }
+}