From 7ee008e150bc5bcf76082d726f719ee0fdfda982 Mon Sep 17 00:00:00 2001
From: SulfurNitride <SulfurNitride@users.noreply.github.com>
Date: Wed, 11 Feb 2026 02:37:39 -0600
Subject: Fluorine Manager: full Linux port of Mod Organizer 2

Complete native Linux port with FUSE-based virtual filesystem,
Proton/umu-run integration, and Flatpak packaging.

Key features:
- FUSE VFS replacing Windows USVFS (in-process + standalone helper for Flatpak)
- Proton/GE-Proton/umu-run launcher with env var forwarding
- Flatpak support (sandbox-aware VFS, NXM handler, umu-run)
- Wine prefix management UI
- Case-insensitive path resolution for Linux filesystems
- QSettings-safe INI handling (avoids Bethesda INI corruption)
- Portable instance support with auto-generated launcher scripts

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 libs/uibase/src/filesystemutilities.cpp | 68 +++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 libs/uibase/src/filesystemutilities.cpp

(limited to 'libs/uibase/src/filesystemutilities.cpp')

diff --git a/libs/uibase/src/filesystemutilities.cpp b/libs/uibase/src/filesystemutilities.cpp
new file mode 100644
index 0000000..6a01324
--- /dev/null
+++ b/libs/uibase/src/filesystemutilities.cpp
@@ -0,0 +1,68 @@
+#include <uibase/filesystemutilities.h>
+
+#include <QRegularExpression>
+#include <QString>
+
+namespace MOBase
+{
+
+bool fixDirectoryName(QString& name)
+{
+  QString temp = name.simplified();
+  while (temp.endsWith('.'))
+    temp.chop(1);
+
+  temp.replace(QRegularExpression(R"([<>:"/\\|?*])"), "");
+  static QString invalidNames[] = {"CON",  "PRN",  "AUX",  "NUL",  "COM1", "COM2",
+                                   "COM3", "COM4", "COM5", "COM6", "COM7", "COM8",
+                                   "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5",
+                                   "LPT6", "LPT7", "LPT8", "LPT9"};
+  for (unsigned int i = 0; i < sizeof(invalidNames) / sizeof(QString); ++i) {
+    if (temp == invalidNames[i]) {
+      temp = "";
+      break;
+    }
+  }
+
+  temp = temp.simplified();
+
+  if (temp.length() >= 1) {
+    name = temp;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+QString sanitizeFileName(const QString& name, const QString& replacement)
+{
+  QString new_name = name;
+
+  // Remove characters not allowed by Windows
+  new_name.replace(QRegularExpression("[\\x{00}-\\x{1f}\\\\/:\\*\\?\"<>|]"),
+                   replacement);
+
+  // Don't end with a period or a space
+  // Don't be "." or ".."
+  new_name.remove(QRegularExpression("[\\. ]*$"));
+
+  // Recurse until stuff stops changing
+  if (new_name != name) {
+    return sanitizeFileName(new_name);
+  }
+  return new_name;
+}
+
+bool validFileName(const QString& name)
+{
+  if (name.isEmpty()) {
+    return false;
+  }
+  if (name == "." || name == "..") {
+    return false;
+  }
+
+  return (name == sanitizeFileName(name));
+}
+
+}  // namespace MOBase
-- 
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