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
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
|
/* -*- 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 BERKELEYDBPROXY_DB_HXX_
#define BERKELEYDBPROXY_DB_HXX_
#ifdef SYSTEM_DB
#include <db.h>
#else
#include <berkeleydb/db.h>
#endif
#include "com/sun/star/ucb/XSimpleFileAccess.hpp"
#include <hash_map>
#include <rtl/string.hxx>
extern "C" {
typedef void *(*db_malloc_fcn_type)(size_t);
typedef void *(*db_realloc_fcn_type)(void *, size_t);
typedef void (*db_free_fcn_type)(void *);
}
namespace berkeleydbproxy {
class Dbc;
class Dbt;
namespace db_internal
{
class Noncopyable
{
// not implemented
Noncopyable(const Noncopyable&);
void operator=(const Noncopyable&);
protected:
Noncopyable() {}
~Noncopyable() {}
};
}
class DbException
{
rtl::OString what_;
public:
explicit DbException(rtl::OString const & whatparam)
: what_(whatparam)
{}
const char *what() const
{ return what_.getStr(); }
};
struct eq
{
bool operator()( const rtl::OString& rKey1, const rtl::OString& rKey2 ) const
{ return rKey1.compareTo( rKey2 ) == 0; }
};
struct ha
{
size_t operator()( const rtl::OString& rName ) const
{ return rName.hashCode(); }
};
//#define TEST_DBHELP
class DBData
{
friend class DBHelp;
int m_nSize;
char* m_pBuffer;
void copyToBuffer( const char* pSrcData, int nSize );
public:
DBData( void )
: m_nSize( 0 )
, m_pBuffer( NULL )
{}
~DBData()
{ delete [] m_pBuffer; }
int getSize() const
{ return m_nSize; }
const char* getData() const
{ return m_pBuffer; }
};
typedef std::hash_map< rtl::OString,std::pair<int,int>,ha,eq > StringToValPosMap;
typedef std::hash_map< rtl::OString,rtl::OString,ha,eq > StringToDataMap;
class DBHelp
{
rtl::OUString m_aFileName;
StringToDataMap* m_pStringToDataMap;
StringToValPosMap* m_pStringToValPosMap;
com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess >
m_xSFA;
com::sun::star::uno::Sequence< sal_Int8 >
m_aItData;
const char* m_pItData;
int m_nItRead;
int m_iItPos;
bool implReadLenAndData( const char* pData, int& riPos, DBData& rValue );
public:
DBHelp( const rtl::OUString& rFileName,
com::sun::star::uno::Reference< com::sun::star::ucb::XSimpleFileAccess > xSFA )
: m_aFileName( rFileName )
, m_pStringToDataMap( NULL )
, m_pStringToValPosMap( NULL )
, m_xSFA( xSFA )
, m_pItData( NULL )
, m_nItRead( -1 )
, m_iItPos( -1 )
{}
~DBHelp()
{ releaseHashMap(); }
void createHashMap( bool bOptimizeForPerformance = false );
void releaseHashMap( void );
#ifdef TEST_DBHELP
bool testAgainstDb( const rtl::OString& fileName, bool bOldDbAccess );
#endif
bool getValueForKey( const rtl::OString& rKey, DBData& rValue );
bool startIteration( void );
bool getNextKeyAndValue( DBData& rKey, DBData& rValue );
void stopIteration( void );
};
class Db : db_internal::Noncopyable
{
private:
DB* m_pDBP;
DBHelp* m_pDBHelp;
public:
Db();
~Db();
void setDBHelp( DBHelp* pDBHelp )
{ m_pDBHelp = pDBHelp; }
DBHelp* getDBHelp( void )
{ return m_pDBHelp; }
int close(u_int32_t flags);
int open(DB_TXN *txnid,
const char *file,
const char *database,
DBTYPE type,
u_int32_t flags,
int mode);
int get(DB_TXN* txnid, Dbt *key, Dbt *data, u_int32_t flags);
int cursor(DB_TXN *txnid, Dbc **cursorp, u_int32_t flags);
};
class Dbc : db_internal::Noncopyable
{
friend class Db;
friend class Dbt;
private:
DBC* m_pDBC;
explicit Dbc(DBC* pDBC);
~Dbc();
public:
int close();
int get(Dbt *key, Dbt *data, u_int32_t flags);
};
class Dbt: private DBT
{
friend class Db;
friend class Dbc;
public:
Dbt(void *data_arg, u_int32_t size_arg);
Dbt();
//Dbt(const Dbt & other);
//Dbt & operator=(const Dbt & other);
~Dbt();
void *get_data() const;
void set_data(void *value);
u_int32_t get_size() const;
void set_size(u_int32_t value);
void set_flags(u_int32_t);
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
