Restore support for the Nokia N-Gage (#12148)

src/filesystem/ngage/SDL_sysfilesystem.c

@@ -0,0 +1,67 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+extern void NGAGE_GetAppPath(char* path);
+
+char *SDL_SYS_GetBasePath(void)
+{
+    char app_path[512];
+    NGAGE_GetAppPath(app_path);
+    char *base_path = SDL_strdup(app_path);
+    return base_path;
+}
+
+char *SDL_SYS_GetPrefPath(const char *org, const char *app)
+{
+    char *pref_path;
+    if (SDL_asprintf(&pref_path, "C:/System/Apps/%s/%s/", org, app) < 0)
+        return NULL;
+    else
+        return pref_path;
+}
+
+char *SDL_SYS_GetUserFolder(SDL_Folder folder)
+{
+    const char *folder_path = NULL;
+    switch (folder)
+    {
+        case SDL_FOLDER_HOME:
+            folder_path = "C:/";
+            break;
+        case SDL_FOLDER_PICTURES:
+            folder_path = "C:/Nokia/Pictures/";
+            break;
+        case SDL_FOLDER_SAVEDGAMES:
+            folder_path = "C:/";
+            break;
+        case SDL_FOLDER_SCREENSHOTS:
+            folder_path = "C:/Nokia/Pictures/";
+            break;
+        case SDL_FOLDER_VIDEOS:
+            folder_path = "C:/Nokia/Videos/";
+            break;
+        default:
+            folder_path = "C:/Nokia/Others/";
+            break;
+    }
+    return SDL_strdup(folder_path);
+}

src/filesystem/ngage/SDL_sysfilesystem.cpp

@@ -0,0 +1,68 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "SDL_internal.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#include <e32base.h>
+#include <e32std.h>
+#include <f32file.h>
+#include <utf.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void NGAGE_GetAppPath(char* path)
+{
+    TBuf<512> aPath;
+
+    TFileName fullExePath = RProcess().FileName();
+
+    TParsePtrC parser(fullExePath);
+    aPath.Copy(parser.DriveAndPath());
+
+    TBuf8<512> utf8Path; // Temporary buffer for UTF-8 data.
+    CnvUtfConverter::ConvertFromUnicodeToUtf8(utf8Path, aPath);
+
+    // Copy UTF-8 data to the provided char* buffer.
+    strncpy(path, (const char*)utf8Path.Ptr(), utf8Path.Length());
+    path[utf8Path.Length()] = '\0';
+
+    // Replace backslashes with forward slashes.
+    for (int i = 0; i < utf8Path.Length(); i++)
+    {
+        if (path[i] == '\\')
+        {
+            path[i] = '/';
+        }
+    }
+}
+
+#ifdef __cplusplus
+}
+#endif