1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
|
/*************************************************************************
*
* $RCSfile: stgdir.hxx,v $
*
* $Revision: 1.2 $
*
* last change: $Author: mba $ $Date: 2000-11-20 12:56:37 $
*
* The Contents of this file are made available subject to the terms of
* either of the following licenses
*
* - GNU Lesser General Public License Version 2.1
* - Sun Industry Standards Source License Version 1.1
*
* Sun Microsystems Inc., October, 2000
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2000 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
*
* Sun Industry Standards Source License Version 1.1
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.1 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://www.openoffice.org/license.html.
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2000 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Contributor(s): _______________________________________
*
*
************************************************************************/
#ifndef _STGDIR_HXX
#define _STGDIR_HXX
#ifndef _STGAVL_HXX
#include "stgavl.hxx"
#endif
#ifndef _STGELEM_HXX
#include "stgelem.hxx"
#endif
#ifndef _STGSTRMS_HXX
#include "stgstrms.hxx"
#endif
class StgIo;
class StgEntry;
class StgDirEntry;
class StgDirStrm;
class BaseStorageStream;
class StgDirEntry : public StgAvlNode
{
friend class StgIterator;
friend class StgDirStrm;
StgEntry aSave; // original dir entry
StgDirEntry* pUp; // parent directory
StgDirEntry* pDown; // child directory for storages
StgDirEntry** ppRoot; // root of TOC tree
StgStrm* pStgStrm; // storage stream
StgTmpStrm* pTmpStrm; // temporary stream
StgTmpStrm* pCurStrm; // temp stream after commit
INT32 nEntry; // entry # in TOC stream (temp)
INT32 nPos; // current position
BOOL bDirty; // dirty directory entry
BOOL bCreated; // newly created entry
BOOL bRemoved; // removed per Invalidate()
BOOL bRenamed; // renamed
void InitMembers(); // ctor helper
virtual short Compare( const StgAvlNode* ) const;
BOOL StoreStream( StgIo& ); // store the stream
BOOL StoreStreams( StgIo& ); // store all streams
void RevertAll(); // revert the whole tree
BOOL Strm2Tmp(); // copy stgstream to temp file
BOOL Tmp2Strm(); // copy temp file to stgstream
public:
StgEntry aEntry; // entry data
INT32 nRefCnt; // reference count
StreamMode nMode; // open mode
BOOL bTemp; // TRUE: delete on dir flush
BOOL bDirect; // TRUE: direct mode
BOOL bZombie; // TRUE: Removed From StgIo
BOOL bInvalid; // TRUE: invalid entry
StgDirEntry( const void*, BOOL * pbOk );
StgDirEntry( const StgEntry& );
~StgDirEntry();
void Invalidate( BOOL=FALSE ); // invalidate all open entries
void Enum( INT32& ); // enumerate entries for iteration
void DelTemp( BOOL ); // delete temporary entries
BOOL Store( StgDirStrm& ); // save entry into dir strm
BOOL IsContained( StgDirEntry* ); // check if subentry
void SetDirty() { bDirty = TRUE; }
BOOL IsDirty();
void ClearDirty();
BOOL Commit();
BOOL Revert();
void OpenStream( StgIo&, BOOL=FALSE ); // set up an approbiate stream
void Close();
INT32 GetSize();
BOOL SetSize( INT32 );
INT32 Seek( INT32 );
INT32 Tell() { return nPos; }
INT32 Read( void*, INT32 );
INT32 Write( const void*, INT32 );
void Copy( StgDirEntry& );
void Copy( BaseStorageStream& );
};
class StgDirStrm : public StgDataStrm
{
friend class StgIterator;
StgDirEntry* pRoot; // root of dir tree
short nEntries; // entries per page
void SetupEntry( INT32, StgDirEntry* );
public:
StgDirStrm( StgIo& );
~StgDirStrm();
virtual BOOL SetSize( INT32 ); // change the size
BOOL Store();
void* GetEntry( INT32 n, BOOL=FALSE );// get an entry
StgDirEntry* GetRoot() { return pRoot; }
StgDirEntry* Find( StgDirEntry&, const String& );
StgDirEntry* Create( StgDirEntry&, const String&, StgEntryType );
BOOL Remove( StgDirEntry&, const String& );
BOOL Rename( StgDirEntry&, const String&, const String& );
BOOL Move( StgDirEntry&, StgDirEntry&, const String& );
};
class StgIterator : public StgAvlIterator
{
public:
StgIterator( StgDirEntry& rStg ) : StgAvlIterator( rStg.pDown ) {}
StgDirEntry* First() { return (StgDirEntry*) StgAvlIterator::First(); }
StgDirEntry* Next() { return (StgDirEntry*) StgAvlIterator::Next(); }
StgDirEntry* Last() { return (StgDirEntry*) StgAvlIterator::Last(); }
StgDirEntry* Prev() { return (StgDirEntry*) StgAvlIterator::Prev(); }
};
#endif
|
