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
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _BPARR_HXX
#define _BPARR_HXX
#include <tools/solar.h>
#include <tools/debug.hxx>
#include <swdllapi.h>
struct BlockInfo;
class BigPtrArray;
class BigPtrEntry
{
friend class BigPtrArray;
BlockInfo* pBlock;
USHORT nOffset;
public:
virtual ~BigPtrEntry() {}
protected:
BigPtrEntry() : pBlock(0), nOffset(0) {}
inline ULONG GetPos() const;
inline BigPtrArray& GetArray() const;
};
typedef BigPtrEntry* ElementPtr;
typedef BOOL (*FnForEach)( const ElementPtr&, void* pArgs );
// 1000 entries per Block = a bit less then 4K
#define MAXENTRY 1000
// number of entries that may remain free during compression
// this value is for the worst case; because we defined MAXBLOCK with ca 25%
// overhead, 80% = 800 entries are enough
// if complete compression is desired, 100 has to be specified
#define COMPRESSLVL 80
struct BlockInfo { // block info:
BigPtrArray* pBigArr; // in this array the block is located
ElementPtr* pData; // data block
ULONG nStart, nEnd; // start- and end index
USHORT nElem; // number of elements
};
class SW_DLLPUBLIC BigPtrArray
{
BlockInfo** ppInf; // block info
ULONG nSize; // number of elements
USHORT nMaxBlock; // current max. number of blocks
USHORT nBlock; // number of blocks
USHORT nCur; // last block
USHORT Index2Block( ULONG ) const; // block search
BlockInfo* InsBlock( USHORT ); // insert block
void BlockDel( USHORT ); // some blocks were deleted
void UpdIndex( USHORT ); // recalculate indices
protected:
// fill all blocks
// the short parameter specifies in percent, how full the blocks should be
// made
// the return value specifies that something was done
USHORT Compress( short = COMPRESSLVL );
public:
BigPtrArray();
~BigPtrArray();
ULONG Count() const { return nSize; }
void Insert( const ElementPtr& r, ULONG pos );
void Remove( ULONG pos, ULONG n = 1 );
void Move( ULONG from, ULONG to );
void Replace( ULONG pos, const ElementPtr& r);
ElementPtr operator[]( ULONG ) const;
void ForEach( FnForEach fn, void* pArgs = NULL )
{
ForEach( 0, nSize, fn, pArgs );
}
void ForEach( ULONG nStart, ULONG nEnd, FnForEach fn, void* pArgs = NULL );
};
inline ULONG BigPtrEntry::GetPos() const
{
DBG_ASSERT( this == pBlock->pData[ nOffset ], "element not in the block" );
return pBlock->nStart + nOffset;
}
inline BigPtrArray& BigPtrEntry::GetArray() const
{
return *pBlock->pBigArr;
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
