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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* 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/. */
#include "nsError.h"
#include "nsMemory.h"
#include "nsString.h"
#include "mozStoragePrivateHelpers.h"
#include "mozStorageArgValueArray.h"
namespace mozilla {
namespace storage {
////////////////////////////////////////////////////////////////////////////////
//// ArgValueArray
ArgValueArray::ArgValueArray(int32_t aArgc,
sqlite3_value **aArgv)
: mArgc(aArgc)
, mArgv(aArgv)
{
}
NS_IMPL_ISUPPORTS(
ArgValueArray,
mozIStorageValueArray
)
////////////////////////////////////////////////////////////////////////////////
//// mozIStorageValueArray
NS_IMETHODIMP
ArgValueArray::GetNumEntries(uint32_t *_size)
{
*_size = mArgc;
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetTypeOfIndex(uint32_t aIndex,
int32_t *_type)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
int t = ::sqlite3_value_type(mArgv[aIndex]);
switch (t) {
case SQLITE_INTEGER:
*_type = VALUE_TYPE_INTEGER;
break;
case SQLITE_FLOAT:
*_type = VALUE_TYPE_FLOAT;
break;
case SQLITE_TEXT:
*_type = VALUE_TYPE_TEXT;
break;
case SQLITE_BLOB:
*_type = VALUE_TYPE_BLOB;
break;
case SQLITE_NULL:
*_type = VALUE_TYPE_NULL;
break;
default:
return NS_ERROR_FAILURE;
}
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetInt32(uint32_t aIndex,
int32_t *_value)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
*_value = ::sqlite3_value_int(mArgv[aIndex]);
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetInt64(uint32_t aIndex,
int64_t *_value)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
*_value = ::sqlite3_value_int64(mArgv[aIndex]);
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetDouble(uint32_t aIndex,
double *_value)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
*_value = ::sqlite3_value_double(mArgv[aIndex]);
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetUTF8String(uint32_t aIndex,
nsACString &_value)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
if (::sqlite3_value_type(mArgv[aIndex]) == SQLITE_NULL) {
// NULL columns should have IsVoid set to distinguish them from an empty
// string.
_value.SetIsVoid(true);
}
else {
_value.Assign(reinterpret_cast<const char *>(::sqlite3_value_text(mArgv[aIndex])),
::sqlite3_value_bytes(mArgv[aIndex]));
}
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetString(uint32_t aIndex,
nsAString &_value)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
if (::sqlite3_value_type(mArgv[aIndex]) == SQLITE_NULL) {
// NULL columns should have IsVoid set to distinguish them from an empty
// string.
_value.SetIsVoid(true);
} else {
_value.Assign(static_cast<const char16_t *>(::sqlite3_value_text16(mArgv[aIndex])),
::sqlite3_value_bytes16(mArgv[aIndex]) / 2);
}
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetBlob(uint32_t aIndex,
uint32_t *_size,
uint8_t **_blob)
{
ENSURE_INDEX_VALUE(aIndex, mArgc);
int size = ::sqlite3_value_bytes(mArgv[aIndex]);
void *blob = nsMemory::Clone(::sqlite3_value_blob(mArgv[aIndex]), size);
NS_ENSURE_TRUE(blob, NS_ERROR_OUT_OF_MEMORY);
*_blob = static_cast<uint8_t *>(blob);
*_size = size;
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetBlobAsString(uint32_t aIndex, nsAString& aValue)
{
return DoGetBlobAsString(this, aIndex, aValue);
}
NS_IMETHODIMP
ArgValueArray::GetBlobAsUTF8String(uint32_t aIndex, nsACString& aValue)
{
return DoGetBlobAsString(this, aIndex, aValue);
}
NS_IMETHODIMP
ArgValueArray::GetIsNull(uint32_t aIndex,
bool *_isNull)
{
// GetTypeOfIndex will check aIndex for us, so we don't have to.
int32_t type;
nsresult rv = GetTypeOfIndex(aIndex, &type);
NS_ENSURE_SUCCESS(rv, rv);
*_isNull = (type == VALUE_TYPE_NULL);
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetSharedUTF8String(uint32_t aIndex,
uint32_t *_length,
const char **_string)
{
if (_length)
*_length = ::sqlite3_value_bytes(mArgv[aIndex]);
*_string = reinterpret_cast<const char *>(::sqlite3_value_text(mArgv[aIndex]));
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetSharedString(uint32_t aIndex,
uint32_t *_length,
const char16_t **_string)
{
if (_length)
*_length = ::sqlite3_value_bytes(mArgv[aIndex]);
*_string = static_cast<const char16_t *>(::sqlite3_value_text16(mArgv[aIndex]));
return NS_OK;
}
NS_IMETHODIMP
ArgValueArray::GetSharedBlob(uint32_t aIndex,
uint32_t *_size,
const uint8_t **_blob)
{
*_size = ::sqlite3_value_bytes(mArgv[aIndex]);
*_blob = static_cast<const uint8_t *>(::sqlite3_value_blob(mArgv[aIndex]));
return NS_OK;
}
} // namespace storage
} // namespace mozilla
|
