FreeNOS
FileCache.h
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1/*
2 * Copyright (C) 2015 Niek Linnenbank
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifndef __LIB_LIBFS_FILECACHE_H
19#define __LIB_LIBFS_FILECACHE_H
20
21#include <HashTable.h>
22#include "File.h"
23
35typedef struct FileCache
36{
44 FileCache(File *f, const char *n, FileCache *p)
45 : file(f), parent(p)
46 {
47 name = n;
48
49 if (p && p != this)
50 {
51 p->entries.insert(name, this);
52 }
53 }
54
57
60
63
66}
68
74#endif /* __LIB_LIBFS_FILECACHE_H */
Represents a file present on a FileSystem.
Definition File.h:40
Efficient key -> value lookups.
Definition HashTable.h:45
virtual bool insert(const K &key, const V &value)
Inserts the given item to the HashTable.
Definition HashTable.h:133
Abstraction of strings.
Definition String.h:42
Cached in-memory file.
Definition FileCache.h:36
HashTable< String, FileCache * > entries
Contains childs.
Definition FileCache.h:62
FileCache(File *f, const char *n, FileCache *p)
Constructor function.
Definition FileCache.h:44
File * file
File pointer.
Definition FileCache.h:56
String name
Our name.
Definition FileCache.h:59
FileCache * parent
Parent.
Definition FileCache.h:65