blob: 7fc102c3ff8ad20a8e597f6cfacbea3a03b8f396 (
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
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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozStorageStatement_h
#define mozStorageStatement_h
#include "nsAutoPtr.h"
#include "nsString.h"
#include "nsTArray.h"
#include "mozStorageBindingParamsArray.h"
#include "mozStorageStatementData.h"
#include "mozIStorageStatement.h"
#include "mozIStorageValueArray.h"
#include "StorageBaseStatementInternal.h"
#include "mozilla/Attributes.h"
class nsIXPConnectJSObjectHolder;
struct sqlite3_stmt;
namespace mozilla {
namespace storage {
class StatementJSHelper;
class Connection;
class Statement final : public mozIStorageStatement
, public mozIStorageValueArray
, public StorageBaseStatementInternal
{
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_MOZISTORAGESTATEMENT
NS_DECL_MOZISTORAGEBASESTATEMENT
NS_DECL_MOZISTORAGEBINDINGPARAMS
// NS_DECL_MOZISTORAGEVALUEARRAY (methods in mozIStorageStatement)
NS_DECL_STORAGEBASESTATEMENTINTERNAL
Statement();
/**
* Initializes the object on aDBConnection by preparing the SQL statement
* given by aSQLStatement.
*
* @param aDBConnection
* The Connection object this statement is associated with.
* @param aNativeConnection
* The native Sqlite connection this statement is associated with.
* @param aSQLStatement
* The SQL statement to prepare that this object will represent.
*/
nsresult initialize(Connection *aDBConnection,
sqlite3* aNativeConnection,
const nsACString &aSQLStatement);
/**
* Obtains the native statement pointer.
*/
inline sqlite3_stmt *nativeStatement() { return mDBStatement; }
/**
* Obtains and transfers ownership of the array of parameters that are bound
* to this statment. This can be null.
*/
inline already_AddRefed<BindingParamsArray> bindingParamsArray()
{
return mParamsArray.forget();
}
private:
~Statement();
sqlite3_stmt *mDBStatement;
uint32_t mParamCount;
uint32_t mResultColumnCount;
nsTArray<nsCString> mColumnNames;
bool mExecuting;
/**
* @return a pointer to the BindingParams object to use with our Bind*
* method.
*/
mozIStorageBindingParams *getParams();
/**
* Holds the array of parameters to bind to this statement when we execute
* it asynchronously.
*/
RefPtr<BindingParamsArray> mParamsArray;
/**
* The following two members are only used with the JS helper. They cache
* the row and params objects.
*/
nsMainThreadPtrHandle<nsIXPConnectJSObjectHolder> mStatementParamsHolder;
nsMainThreadPtrHandle<nsIXPConnectJSObjectHolder> mStatementRowHolder;
/**
* Internal version of finalize that allows us to tell it if it is being
* called from the destructor so it can know not to dispatch events that
* require a reference to us.
*
* @param aDestructing
* Is the destructor calling?
*/
nsresult internalFinalize(bool aDestructing);
friend class StatementJSHelper;
};
} // namespace storage
} // namespace mozilla
#endif // mozStorageStatement_h
|
