fs: add support for mounting nsp an xci files in the filebrowser.

sphaira/include/ui/menus/filebrowser.hpp

@@ -305,6 +305,10 @@ struct FsView final : Widget {
     void DisplayOptions();
     void DisplayAdvancedOptions();
 
+    void MountNspFs();
+    void MountXciFs();
+    void MountZipFs();
+
 // private:
     Base* m_menu{};
     ViewSide m_side{};
@@ -476,4 +480,22 @@ auto IsSamePath(std::string_view a, std::string_view b) -> bool;
 auto IsExtension(std::string_view ext1, std::string_view ext2) -> bool;
 auto IsExtension(std::string_view ext, std::span<const std::string_view> list) -> bool;
 
+
+struct FsStdioWrapper final : fs::FsStdio {
+    using OnExit = std::function<void(void)>;
+    FsStdioWrapper(const fs::FsPath& root, const OnExit& on_exit) : fs::FsStdio{true, root}, m_on_exit{on_exit} {
+
+    }
+
+    ~FsStdioWrapper() {
+        if (m_on_exit) {
+            m_on_exit();
+        }
+    }
+
+    const OnExit m_on_exit;
+};
+
+void MountFsHelper(const std::shared_ptr<fs::Fs>& fs, const fs::FsPath& name);
+
 } // namespace sphaira::ui::menu::filebrowser

sphaira/include/utils/devoptab.hpp

@@ -10,15 +10,15 @@ Result MountFromSavePath(u64 id, fs::FsPath& out_path);
 void UnmountSave(u64 id);
 
 // todo:
-void MountZip(fs::Fs* fs, const fs::FsPath& mount, fs::FsPath& out_path);
+Result MountZip(fs::Fs* fs, const fs::FsPath& path, fs::FsPath& out_path);
 void UmountZip(const fs::FsPath& mount);
 
-// todo:
-void MountNsp(fs::Fs* fs, const fs::FsPath& mount, fs::FsPath& out_path);
+Result MountNsp(fs::Fs* fs, const fs::FsPath& path, fs::FsPath& out_path);
 void UmountNsp(const fs::FsPath& mount);
 
-// todo:
-void MountXci(fs::Fs* fs, const fs::FsPath& mount, fs::FsPath& out_path);
+Result MountXci(fs::Fs* fs, const fs::FsPath& path, fs::FsPath& out_path);
 void UmountXci(const fs::FsPath& mount);
 
+bool fix_path(const char* str, char* out);
+
 } // namespace sphaira::devoptab

sphaira/include/yati/container/xci.hpp

@@ -8,8 +8,19 @@
 namespace sphaira::yati::container {
 
 struct Xci final : Base {
+
+    struct Partition {
+        // name of the partition.
+        std::string name;
+        // all the collections for this partition, may be empty.
+        Collections collections;
+    };
+
+    using Partitions = std::vector<Partition>;
+
     using Base::Base;
     Result GetCollections(Collections& out) override;
+    Result GetPartitions(Partitions& out);
 };
 
 } // namespace sphaira::yati::container