blob: ab3750d60c99d3abae8b6ff1987ed74d659daaa7 (
plain)
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
|
/* vim:set et sts=4: */
#ifndef __PY_DATABASE_H__
#define __PY_DATABASE_H__
#include <sqlite3.h>
#include <boost/shared_ptr.hpp>
#include "String.h"
#include "Types.h"
#include "PinyinArray.h"
#include "PhraseArray.h"
namespace PY {
class SQLStmt;
typedef boost::shared_ptr<SQLStmt> SQLStmtPtr;
class Database;
class Query {
public:
Query (const PinyinArray & pinyin,
guint pinyin_begin,
guint pinyin_len,
guint option);
~Query (void);
gint fill (PhraseArray &phrases, gint count);
private:
const PinyinArray & m_pinyin;
guint m_pinyin_begin;
guint m_pinyin_len;
guint m_option;
SQLStmtPtr m_stmt;
};
typedef boost::shared_ptr<Query> QueryPtr;
class Database {
private:
Database ();
~Database ();
public:
SQLStmtPtr query (const PinyinArray & pinyin,
guint pinyin_begin,
guint pinyin_len,
gint m,
guint option);
void commit (const PhraseArray & phrases);
void remove (const Phrase & phrase);
void conditionsDouble (void);
void conditionsTriple (void);
static Database & instance (void) {return m_instance; }
private:
gboolean init (void);
gboolean initUserDatabase (const gchar *userdb);
void prefetch (void);
void phraseSql (const Phrase & p, String & sql);
void phraseWhereSql (const Phrase & p, String & sql);
gboolean executeSQL (const gchar *sql);
private:
sqlite3 *m_db; /* sqlite3 database */
String m_sql; /* sql stmt */
String m_buffer; /* temp buffer */
private:
static Database m_instance;
};
};
#endif
|
