122 lines
3.0 KiB
C++
122 lines
3.0 KiB
C++
/*
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* Copyright 2002-2011 Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _NODE_H
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#define _NODE_H
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#include <Statable.h>
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class BDirectory;
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class BEntry;
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class BString;
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struct entry_ref;
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struct node_ref {
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node_ref();
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node_ref(dev_t device, ino_t node);
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node_ref(const node_ref& other);
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bool operator==(const node_ref& other) const;
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bool operator!=(const node_ref& other) const;
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bool operator<(const node_ref& other) const;
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node_ref& operator=(const node_ref& other);
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dev_t device;
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ino_t node;
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};
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class BNode : public BStatable {
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public:
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BNode();
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BNode(const entry_ref* ref);
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BNode(const BEntry* entry);
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BNode(const char* path);
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BNode(const BDirectory* dir, const char* path);
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BNode(const BNode& node);
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virtual ~BNode();
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status_t InitCheck() const;
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virtual status_t GetStat(struct stat* st) const;
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status_t SetTo(const entry_ref* ref);
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status_t SetTo(const BEntry* entry);
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status_t SetTo(const char* path);
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status_t SetTo(const BDirectory* dir, const char* path);
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void Unset();
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status_t Lock();
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status_t Unlock();
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status_t Sync();
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ssize_t WriteAttr(const char* name, type_code type,
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off_t offset, const void* buffer,
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size_t length);
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ssize_t ReadAttr(const char* name, type_code type,
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off_t offset, void* buffer,
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size_t length) const;
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status_t RemoveAttr(const char* name);
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status_t RenameAttr(const char* oldName,
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const char* newName);
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status_t GetAttrInfo(const char* name,
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struct attr_info* info) const;
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status_t GetNextAttrName(char* buffer);
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status_t RewindAttrs();
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status_t WriteAttrString(const char* name,
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const BString* data);
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status_t ReadAttrString(const char* name,
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BString* result) const;
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BNode& operator=(const BNode& node);
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bool operator==(const BNode& node) const;
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bool operator!=(const BNode& node) const;
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int Dup();
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// This should be "const" but R5's is not... Ugggh.
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private:
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friend class BFile;
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friend class BDirectory;
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friend class BSymLink;
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virtual void _RudeNode1();
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virtual void _RudeNode2();
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virtual void _RudeNode3();
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virtual void _RudeNode4();
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virtual void _RudeNode5();
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virtual void _RudeNode6();
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private:
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status_t set_fd(int fd);
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virtual void close_fd();
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void set_status(status_t newStatus);
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status_t _SetTo(int fd, const char* path, bool traverse);
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status_t _SetTo(const entry_ref* ref, bool traverse);
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virtual status_t set_stat(struct stat& stat, uint32 what);
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status_t _GetStat(struct stat* stat) const;
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virtual status_t _GetStat(struct stat_beos* stat) const;
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status_t InitAttrDir();
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private:
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uint32 rudeData[4];
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int fFd;
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// Ffile descriptor for the given node
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int fAttrFd;
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// file descriptor for the attribute directory of the node,
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// initialized lazily
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status_t fCStatus;
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// the node's initialization status
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};
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#endif // _NODE_H
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