It is accomplished ...

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-07-09 12:24:59 +00:00
commit 52a3801208
2025 changed files with 472889 additions and 0 deletions
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+//----------------------------------------------------------------------
+//  This software is part of the OpenBeOS distribution and is covered 
+//  by the OpenBeOS license.
+//---------------------------------------------------------------------
+/*!
+	\file Node.h
+	BNode and node_ref interface declarations.
+*/
+
+#ifndef __sk_node_h__
+#define __sk_node_h__
+
+#include <Statable.h>
+#include <StorageDefs.Private.h>
+
+#ifdef USE_OPENBEOS_NAMESPACE
+namespace OpenBeOS {
+#endif
+
+//---------------------------------------------------------------
+// node_ref
+//---------------------------------------------------------------
+
+//! Reference structure to a particular vnode on a particular device
+/*! <b>node_ref</b> - A node reference.
+
+	@author <a href="mailto:[email protected]">Tyler Dauwalder</a>
+	@author Be Inc.
+	@version 0.0.0
+*/
+struct node_ref {
+	node_ref();	
+	node_ref(const node_ref &ref);
+	
+	bool operator==(const node_ref &ref) const;
+	bool operator!=(const node_ref &ref) const;
+	node_ref& operator=(const node_ref &ref);
+	
+	dev_t device;
+	ino_t node;
+};
+
+
+//---------------------------------------------------------------
+// BNode
+//---------------------------------------------------------------
+
+//! A BNode represents a chunk of data in the filesystem.
+/*! The BNode class provides an interface for manipulating the data and attributes
+	belonging to filesystem entries. The BNode is unaware of the name that refers
+	to it in the filesystem (i.e. its entry); a BNode is solely concerned with
+	the entry's data and attributes.
+
+
+	@author <a href='mailto:[email protected]'>Tyler Dauwalder</a>
+	@version 0.0.0
+
+*/
+class BNode : public BStatable {
+public:
+
+	BNode();
+	BNode(const entry_ref *ref);
+	BNode(const BEntry *entry);
+	BNode(const char *path);
+	BNode(const BDirectory *dir, const char *path);
+	BNode(const BNode &node);
+	virtual ~BNode();
+
+	status_t InitCheck() const;
+
+	virtual status_t GetStat(struct stat *st) const;
+
+	status_t SetTo(const entry_ref *ref);
+	status_t SetTo(const BEntry *entry);
+	status_t SetTo(const char *path);
+	status_t SetTo(const BDirectory *dir, const char *path);
+	void Unset();
+
+	status_t Lock();
+	status_t Unlock();
+
+	status_t Sync();
+
+	ssize_t WriteAttr(const char *name, type_code type, off_t offset,
+		const void *buffer, size_t len);
+	ssize_t ReadAttr(const char *name, type_code type, off_t offset,
+		void *buffer, size_t len) const;
+	status_t RemoveAttr(const char *name);
+	status_t RenameAttr(const char *oldname, const char *newname);
+	status_t GetAttrInfo(const char *name, struct attr_info *info) const;
+	status_t GetNextAttrName(char *buffer);
+	status_t RewindAttrs();
+	status_t WriteAttrString(const char *name, const BString *data);
+	status_t ReadAttrString(const char *name, BString *result) const;
+
+	BNode& operator=(const BNode &node);
+	bool operator==(const BNode &node) const;
+	bool operator!=(const BNode &node) const;
+
+	int Dup();  // This should be "const" but R5's is not... Ugggh.
+
+private:
+	friend class BFile;
+	friend class BDirectory;
+	friend class BSymLink;
+
+	virtual void _ReservedNode1(); 	
+	virtual void _ReservedNode2();
+	virtual void _ReservedNode3();
+	virtual void _ReservedNode4();
+	virtual void _ReservedNode5();
+	virtual void _ReservedNode6();
+
+	uint32 rudeData[4];
+
+private:
+	status_t set_fd(StorageKit::FileDescriptor fd);
+	virtual void close_fd();
+	void set_status(status_t newStatus);
+
+	virtual status_t set_stat(struct stat &st, uint32 what);
+
+	StorageKit::FileDescriptor fFd;
+	StorageKit::FileDescriptor fAttrFd;
+	status_t fCStatus;
+
+	status_t InitAttrDir();
+};
+
+
+
+#ifdef USE_OPENBEOS_NAMESPACE
+};		// namespace OpenBeOS
+#endif
+
+#endif	// __sk_node_h__