diff options
| author | Amlal El Mahrouss <amlal@nekernel.org> | 2025-11-24 03:02:43 +0100 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal@nekernel.org> | 2025-11-24 03:02:43 +0100 |
| commit | 83d870e58457a1d335a1d9b9966a6a1887cc297b (patch) | |
| tree | 72888f88c7728c82f3f6df1f4f70591de15eab36 /dev/kernel/src/FS/NeFS+FileMgr.cc | |
| parent | ab37adbacf0f33845804c788b39680cd754752a8 (diff) | |
feat! breaking changes on kernel sources.
Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>
Diffstat (limited to 'dev/kernel/src/FS/NeFS+FileMgr.cc')
| -rw-r--r-- | dev/kernel/src/FS/NeFS+FileMgr.cc | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/dev/kernel/src/FS/NeFS+FileMgr.cc b/dev/kernel/src/FS/NeFS+FileMgr.cc deleted file mode 100644 index 0fdabd6f..00000000 --- a/dev/kernel/src/FS/NeFS+FileMgr.cc +++ /dev/null @@ -1,276 +0,0 @@ -/* ======================================== - - Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license. - -======================================== */ - -#ifndef __NE_MINIMAL_OS__ -#ifdef __FSKIT_INCLUDES_NEFS__ - -#include <KernelKit/FileMgr.h> -#include <KernelKit/HeapMgr.h> - -/// @brief NeFS File System Manager. -/// BUGS: 0 - -namespace Kernel { -static inline bool is_valid_nefs_catalog(NodePtr node); - -/// @brief C++ constructor -NeFileSystemMgr::NeFileSystemMgr() { - mParser = new NeFileSystemParser(); - MUST_PASS(mParser); - - kout << "We are done allocating NeFileSystemParser...\n"; -} - -NeFileSystemMgr::~NeFileSystemMgr() { - if (mParser) { - kout << "Destroying NeFileSystemParser...\n"; - delete mParser; - mParser = nullptr; - } -} - -/// @brief Removes a node from the filesystem. -/// @param path The filename -/// @return If it was deleted or not. -bool NeFileSystemMgr::Remove(_Input const Char* path) { - if (path == nullptr || *path == 0) { - kout << "NeFS: Remove called with null or empty path\n"; - return false; - } - return mParser->RemoveCatalog(path); -} - -/// @brief Creates a node with the specified. -/// @param path The filename path. -/// @return The Node pointer. -NodePtr NeFileSystemMgr::Create(_Input const Char* path) { - if (!path || *path == 0) { - kout << "NeFS: Create called with null or empty path\n"; - return nullptr; - } - return rtl_node_cast(mParser->CreateCatalog(path)); -} - -/// @brief Creates a node which is a directory. -/// @param path The filename path. -/// @return The Node pointer. -NodePtr NeFileSystemMgr::CreateDirectory(const Char* path) { - if (!path || *path == 0) { - kout << "NeFS: CreateDirectory called with null or empty path\n"; - return nullptr; - } - return rtl_node_cast(mParser->CreateCatalog(path, 0, kNeFSCatalogKindDir)); -} - -/// @brief Creates a node which is an alias. -/// @param path The filename path. -/// @return The Node pointer. -NodePtr NeFileSystemMgr::CreateAlias(const Char* path) { - if (!path || *path == 0) { - kout << "NeFS: CreateAlias called with null or empty path\n"; - return nullptr; - } - return rtl_node_cast(mParser->CreateCatalog(path, 0, kNeFSCatalogKindAlias)); -} - -NodePtr NeFileSystemMgr::CreateSwapFile(const Char* path) { - if (!path || *path == 0) { - kout << "NeFS: CreateSwapFile called with null or empty path\n"; - return nullptr; - } - return rtl_node_cast(mParser->CreateCatalog(path, 0, kNeFSCatalogKindPage)); -} - -/// @brief Gets the root directory. -/// @return -const Char* NeFileSystemHelper::Root() { - return kNeFSRoot; -} - -/// @brief Gets the up-dir directory. -/// @return -const Char* NeFileSystemHelper::UpDir() { - return kNeFSUpDir; -} - -/// @brief Gets the separator character. -/// @return -Char NeFileSystemHelper::Separator() { - return kNeFSSeparator; -} - -/// @brief Gets the metafile character. -/// @return -Char NeFileSystemHelper::MetaFile() { - return kNeFSMetaFilePrefix; -} - -/// @brief Opens a new file. -/// @param path -/// @param r -/// @return -_Output NodePtr NeFileSystemMgr::Open(_Input const Char* path, _Input const Char* r) { - if (!path || *path == 0) { - kout << "NeFS: Open called with null or empty path\n"; - return nullptr; - } - if (!r || *r == 0) { - kout << "NeFS: Open called with null or empty mode string\n"; - return nullptr; - } - auto catalog = mParser->GetCatalog(path); - if (!catalog) { - kout << "NeFS: Open could not find catalog for path\n"; - return nullptr; - } - return rtl_node_cast(catalog); -} - -Void NeFileSystemMgr::Write(_Input NodePtr node, _Input VoidPtr data, _Input Int32 flags, - _Input SizeT size) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Write called with invalid node pointer\n"; - return; - } - if (!data) { - kout << "NeFS: Write called with null data pointer\n"; - return; - } - if (!size || size > kNeFSForkSize) { - (Void)(kout << "NeFS: Write called with invalid size: " << hex_number(size)); - kout << "\n"; - return; - } - constexpr auto kDataForkName = kNeFSDataFork; - this->Write(kDataForkName, node, data, flags, size); -} - -_Output VoidPtr NeFileSystemMgr::Read(_Input NodePtr node, _Input Int32 flags, _Input SizeT size) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Read called with invalid node pointer\n"; - return nullptr; - } - if (!size || size > kNeFSForkSize) { - (Void)(kout << "NeFS: Write called with invalid size: " << hex_number(size)); - kout << "\n"; - return nullptr; - } - constexpr auto kDataForkName = kNeFSDataFork; - return this->Read(kDataForkName, node, flags, size); -} - -Void NeFileSystemMgr::Write(_Input const Char* name, _Input NodePtr node, _Input VoidPtr data, - _Input Int32 flags, _Input SizeT size) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Write(fork) called with invalid node pointer\n"; - return; - } - if (!name || *name == 0) { - kout << "NeFS: Write(fork) called with null or empty fork name\n"; - return; - } - if (!data) { - kout << "NeFS: Write(fork) called with null data pointer\n"; - return; - } - if (!size || size > kNeFSForkSize) { - (Void)(kout << "NeFS: Write called with invalid size: " << hex_number(size)); - kout << "\n"; - return; - } - NE_UNUSED(flags); - auto cat = reinterpret_cast<NEFS_CATALOG_STRUCT*>(node); - if (cat->Kind == kNeFSCatalogKindFile) { - mParser->WriteCatalog(cat->Name, (flags & kFileFlagRsrc ? true : false), data, size, name); - } -} - -_Output VoidPtr NeFileSystemMgr::Read(_Input const Char* name, _Input NodePtr node, - _Input Int32 flags, _Input SizeT sz) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Read(fork) called with invalid node pointer\n"; - return nullptr; - } - if (!name || *name == 0) { - kout << "NeFS: Read(fork) called with null or empty fork name\n"; - return nullptr; - } - if (!sz || sz > kNeFSForkSize) { - (Void)(kout << "NeFS: Write called with invalid size: " << hex_number(sz)); - kout << "\n"; - return nullptr; - } - NE_UNUSED(flags); - auto cat = reinterpret_cast<NEFS_CATALOG_STRUCT*>(node); - if (cat->Kind == kNeFSCatalogKindFile) { - return mParser->ReadCatalog(cat, (flags & kFileFlagRsrc ? true : false), sz, name); - } - return nullptr; -} - -_Output Bool NeFileSystemMgr::Seek(NodePtr node, SizeT off) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Seek called with invalid node pointer\n"; - return false; - } - // Allow off == 0 - return mParser->Seek(reinterpret_cast<NEFS_CATALOG_STRUCT*>(node), off); -} - -/// @brief Tell current offset within catalog. -/// @param node -/// @return kFileMgrNPos if invalid, else current offset. -_Output SizeT NeFileSystemMgr::Tell(NodePtr node) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Tell called with invalid node pointer\n"; - return kFileMgrNPos; - } - return mParser->Tell(reinterpret_cast<NEFS_CATALOG_STRUCT*>(node)); -} - -/// @brief Rewinds the catalog -/// @param node -/// @return False if invalid, nah? calls Seek(node, 0). -_Output Bool NeFileSystemMgr::Rewind(NodePtr node) { - if (!is_valid_nefs_catalog(node)) { - kout << "NeFS: Rewind called with invalid node pointer\n"; - return false; - } - return this->Seek(node, 0); -} - -/// @brief Returns the parser of NeFS. -_Output NeFileSystemParser* NeFileSystemMgr::GetParser() noexcept { - return mParser; -} - -static inline bool is_valid_nefs_catalog(NodePtr node) { - if (!node) return false; - auto cat = reinterpret_cast<NEFS_CATALOG_STRUCT*>(node); - switch (cat->Kind) { - case kNeFSCatalogKindFile: - case kNeFSCatalogKindDir: - case kNeFSCatalogKindAlias: - case kNeFSCatalogKindPage: - break; - default: - return false; - } - bool null_found = false; - for (int i = 0; i < kNeFSCatalogNameLen; ++i) { - if (cat->Name[i] == 0) { - null_found = true; - break; - } - } - if (!null_found) return false; - return true; -} - -} // namespace Kernel - -#endif // ifdef __FSKIT_INCLUDES_NEFS__ -#endif // ifndef __NE_MINIMAL_OS__ |
