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comparison system/file_impl.h @ 0:223b71206888

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author thib
date Fri, 01 Aug 2008 16:32:45 +0000
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children 5f548e5957a8
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-1:000000000000 0:223b71206888
1 /*
2 * Copyright (c) 2004 Kazunori "jagarl" Ueno
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28
29
30 #ifndef __FILE_IMPL_H__
31 #define __FILE_IMPL_H__
32
33 #include<vector>
34
35 struct ARCFILE_ATOM {
36 char* filename;
37 char* filename_lower;
38 off_t offset;
39 int arcsize;
40 int filesize;
41 int private_data;
42 bool operator <(const ARCFILE_ATOM& to) const {
43 return strcmp(filename_lower, to.filename_lower) < 0;
44 }
45 bool operator <(char* const to) const {
46 return strcmp(filename_lower, to) < 0;
47 }
48 };
49
50 class ARCFILE {
51 protected:
52 char* arcname;
53 char* filenames_orig;
54 int list_point;
55 std::vector<ARCFILE_ATOM> arc_atom;
56 typedef std::vector<ARCFILE_ATOM>::iterator iterator;
57 ARCFILE* next; /* FILESEARCH の一つの型が複数の ARCFILE を持つとき、リストをつくる */
58 /* arcname に指定されたファイル／ディレクトリの内容チェック */
59 virtual int CheckFileDeal(void);
60 virtual void ListupFiles(int fname_len);
61 virtual ARCINFO* MakeARCINFO(ARCFILE_ATOM&);
62 iterator SearchName(const char* f, const char* ext=0);
63 public:
64 ARCFILE(char* fname);
65 void SetNext(ARCFILE* _next) { next = _next;}
66 ARCFILE* Next(void) { return next; }
67 void Init(void);
68 virtual ~ARCFILE();
69 /* ファイル検索 */
70 class ARCINFO* Find(const char* fname, const char* ext);
71 /* ファイルリストの出力 */
72 int Deal(void) { Init(); return arc_atom.size(); }
73 void ListFiles(FILE* out);
74 void InitList(void);
75 char* ListItem(void);
76 };
77
78 class SCN2kFILE : public ARCFILE {
79 protected:
80 virtual int CheckFileDeal(void);
81 virtual void ListupFiles(int fname_len);
82 virtual ARCINFO* MakeARCINFO(ARCFILE_ATOM& atom);
83 public:
84 SCN2kFILE(char* fname) : ARCFILE(fname) {}
85 virtual ~SCN2kFILE() {}
86 };
87
88 class CattleyaFILE : public ARCFILE {
89 bool is_compress;
90 /* header の Huffman 木構築用 */
91 char* bitbuf;
92 char* bitbuf_end;
93 int ltree[0x400];
94 int rtree[0x400];
95 int treecnt;
96 int bitcnt;
97 int GetBit(void);
98 int GetCh(void);
99 void SetBuf(char* buf, int len);
100 int MakeTree(void);
101 int Decode(int seed);
102
103 protected:
104 virtual int CheckFileDeal(void);
105 virtual void ListupFiles(int fname_len);
106 virtual ARCINFO* MakeARCINFO(ARCFILE_ATOM& atom);
107 public:
108 CattleyaFILE(char* fname) : ARCFILE(fname) {is_compress = false;}
109 virtual ~CattleyaFILE() {}
110 };
111
112 class NULFILE : public ARCFILE {
113 protected:
114 virtual int CheckFileDeal(void);
115 virtual void ListupFiles(int fname_len);
116 virtual ARCINFO* MakeARCINFO(ARCFILE_ATOM& atom);
117 public:
118 NULFILE() : ARCFILE("") {}
119 virtual ~NULFILE() {}
120 };
121 class DIRFILE : public ARCFILE {
122 protected:
123 virtual int CheckFileDeal(void);
124 virtual void ListupFiles(int fname_len);
125 virtual ARCINFO* MakeARCINFO(ARCFILE_ATOM& atom);
126 public:
127 DIRFILE(char* fname) : ARCFILE(fname) {}
128 virtual ~DIRFILE() {}
129 FILE* Open(const char* fname); /* FILE* を開く */
130 char* SearchFile(const char* dirname); /* ファイル検索 */
131 };
132 class ARCINFO_AVG32 : public ARCINFO {
133 ARCINFO_AVG32(const char* name, ARCFILE_ATOM& atom) : ARCINFO(name, atom) {
134 }
135 virtual bool ExecExtract(void);
136 friend class ARCFILE;
137 };
138 class ARCINFO2k : public ARCINFO {
139 static char decode_seed[256];
140 static char decode_seed2[16];
141 protected:
142 ARCINFO2k(const char* name, ARCFILE_ATOM& atom) : ARCINFO(name,atom) {
143 }
144 virtual bool ExecExtract(void);
145 friend class SCN2kFILE;
146 };
147
148 class ARCINFOZ : public ARCINFO {
149 protected:
150 ARCINFOZ(const char* name, ARCFILE_ATOM& atom) : ARCINFO(name, atom) {
151 }
152 virtual bool ExecExtract(void);
153 friend class DaemonBaneFILE;
154 friend class CattleyaFILE;
155 };
156
157 #endif /* __FILE_IMPL_H__ */