From 422b8029eba71b6fbb6b3dcb386b8e115bbd08ef Mon Sep 17 00:00:00 2001
From: Amlal El Mahrouss <amlal@el-mahrouss-logic.com>
Date: Sat, 6 Apr 2024 09:31:44 +0200
Subject: NewFS, Implementing the NewFSParser class, added CreateFork method.

---
 Private/Source/FS/NewFS.cxx | 92 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 Private/Source/FS/NewFS.cxx

(limited to 'Private/Source/FS')

diff --git a/Private/Source/FS/NewFS.cxx b/Private/Source/FS/NewFS.cxx
new file mode 100644
index 00000000..f497c2af
--- /dev/null
+++ b/Private/Source/FS/NewFS.cxx
@@ -0,0 +1,92 @@
+/* -------------------------------------------
+
+    Copyright Mahrouss Logic
+
+------------------------------------------- */
+
+#ifdef __FSKIT_NEWFS__
+
+#include <FSKit/NewFS.hxx>
+#include <NewKit/Utils.hpp>
+
+using namespace NewOS;
+
+STATIC Lba ke_find_fork(SizeT sz);
+STATIC Lba ke_find_catalog(SizeT sz);
+STATIC Lba ke_find_data(SizeT sz);
+
+STATIC MountpointInterface sMountpointInterface;
+
+/// @brief Creates a new fork inside the New filesystem partition.
+/// @param catalog it's catalog
+/// @param theFork the fork itself.
+/// @return the fork
+_Output NewFork* NewFSParser::CreateFork(_Input NewCatalog* catalog, _Input NewFork& theFork)
+{
+    if (catalog &&
+        theFork.Name[0] != 0 &&
+        theFork.DataSize > 0) {
+        Lba whereFork = 0;
+
+        theFork.DataOffset = ke_find_fork(theFork.DataSize);
+        theFork.Flags |= kNewFSFlagCreated;
+
+        if (catalog->FirstFork == 0) {
+            catalog->FirstFork = whereFork;
+        } else {
+            if (catalog->LastFork == 0) {
+                theFork.PreviousSibling = catalog->FirstFork;
+            }
+        }
+
+        if (catalog->LastFork == 0) {  
+            catalog->LastFork = whereFork;
+        } else {
+            theFork.PreviousSibling = catalog->LastFork;
+        }
+
+        if (!sMountpointInterface.GetAddressOf(this->fDriveIndex) ||
+            !*sMountpointInterface.GetAddressOf(this->fDriveIndex))
+            return nullptr;
+
+        auto drv = *sMountpointInterface.GetAddressOf(this->fDriveIndex);
+
+        drv->fPacket.fLba = whereFork;
+        drv->fPacket.fPacketSize = theFork.DataSize;
+        drv->fPacket.fPacketContent = (VoidPtr)&theFork;
+        
+        rt_copy_memory((VoidPtr)"fs/newfs-packet", drv->fPacket.fPacketMime, 16);
+
+        if (auto res = fs_newfs_write(&sMountpointInterface, *drv, this->fDriveIndex);
+            res) {
+            switch (res)
+            {
+            case 1:
+                DbgLastError() = kErrorDiskReadOnly;
+                break;
+            case 2:
+                DbgLastError() = kErrorDiskIsFull;
+                break;
+                DbgLastError() = kErrorNoSuchDisk;
+                break;
+            
+            default:
+                break;
+            }
+            return nullptr;
+        }
+
+        /// Also update catalog.
+        this->WriteCatalog(catalog, nullptr);
+
+        return &theFork;
+    }
+
+    return nullptr;
+}
+
+STATIC Lba ke_find_fork(SizeT sz) {}
+STATIC Lba ke_find_catalog(SizeT sz) {}
+STATIC Lba ke_find_data(SizeT sz) {}
+
+#endif // ifdef __FSKIT_NEWFS__
\ No newline at end of file
-- 
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