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
|
/* -*- 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 "mozStorageRow.h"
#include "nsString.h"
#include "sqlite3.h"
#include "mozStoragePrivateHelpers.h"
#include "Variant.h"
namespace mozilla {
namespace storage {
////////////////////////////////////////////////////////////////////////////////
//// Row
nsresult Row::initialize(sqlite3_stmt* aStatement) {
// Get the number of results
mNumCols = ::sqlite3_column_count(aStatement);
// Start copying over values
for (uint32_t i = 0; i < mNumCols; i++) {
// Store the value
nsIVariant* variant = nullptr;
int type = ::sqlite3_column_type(aStatement, i);
switch (type) {
case SQLITE_INTEGER:
variant = new IntegerVariant(::sqlite3_column_int64(aStatement, i));
break;
case SQLITE_FLOAT:
variant = new FloatVariant(::sqlite3_column_double(aStatement, i));
break;
case SQLITE_TEXT: {
const char16_t* value = static_cast<const char16_t*>(
::sqlite3_column_text16(aStatement, i));
nsDependentString str(
value, ::sqlite3_column_bytes16(aStatement, i) / sizeof(char16_t));
variant = new TextVariant(str);
break;
}
case SQLITE_NULL:
variant = new NullVariant();
break;
case SQLITE_BLOB: {
const void* data = ::sqlite3_column_blob(aStatement, i);
int size = ::sqlite3_column_bytes(aStatement, i);
variant = new BlobVariant(std::pair<const void*, int>(data, size));
break;
}
default:
return NS_ERROR_UNEXPECTED;
}
NS_ENSURE_TRUE(variant, NS_ERROR_OUT_OF_MEMORY);
// Insert into our storage array
NS_ENSURE_TRUE(mData.InsertObjectAt(variant, i), NS_ERROR_OUT_OF_MEMORY);
// Associate the name (if any) with the index
const char* name = ::sqlite3_column_name(aStatement, i);
if (!name) break;
nsAutoCString colName(name);
mNameHashtable.Put(colName, i);
}
return NS_OK;
}
/**
* Note: This object is only ever accessed on one thread at a time. It it not
* threadsafe, but it does need threadsafe AddRef and Release.
*/
NS_IMPL_ISUPPORTS(Row, mozIStorageRow, mozIStorageValueArray)
////////////////////////////////////////////////////////////////////////////////
//// mozIStorageRow
NS_IMETHODIMP
Row::GetResultByIndex(uint32_t aIndex, nsIVariant** _result) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
NS_ADDREF(*_result = mData.ObjectAt(aIndex));
return NS_OK;
}
NS_IMETHODIMP
Row::GetResultByName(const nsACString& aName, nsIVariant** _result) {
uint32_t index;
NS_ENSURE_TRUE(mNameHashtable.Get(aName, &index), NS_ERROR_NOT_AVAILABLE);
return GetResultByIndex(index, _result);
}
////////////////////////////////////////////////////////////////////////////////
//// mozIStorageValueArray
NS_IMETHODIMP
Row::GetNumEntries(uint32_t* _entries) {
*_entries = mNumCols;
return NS_OK;
}
NS_IMETHODIMP
Row::GetTypeOfIndex(uint32_t aIndex, int32_t* _type) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
uint16_t type = mData.ObjectAt(aIndex)->GetDataType();
switch (type) {
case nsIDataType::VTYPE_INT32:
case nsIDataType::VTYPE_INT64:
*_type = mozIStorageValueArray::VALUE_TYPE_INTEGER;
break;
case nsIDataType::VTYPE_DOUBLE:
*_type = mozIStorageValueArray::VALUE_TYPE_FLOAT;
break;
case nsIDataType::VTYPE_ASTRING:
*_type = mozIStorageValueArray::VALUE_TYPE_TEXT;
break;
case nsIDataType::VTYPE_ARRAY:
*_type = mozIStorageValueArray::VALUE_TYPE_BLOB;
break;
default:
*_type = mozIStorageValueArray::VALUE_TYPE_NULL;
break;
}
return NS_OK;
}
NS_IMETHODIMP
Row::GetInt32(uint32_t aIndex, int32_t* _value) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
return mData.ObjectAt(aIndex)->GetAsInt32(_value);
}
NS_IMETHODIMP
Row::GetInt64(uint32_t aIndex, int64_t* _value) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
return mData.ObjectAt(aIndex)->GetAsInt64(_value);
}
NS_IMETHODIMP
Row::GetDouble(uint32_t aIndex, double* _value) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
return mData.ObjectAt(aIndex)->GetAsDouble(_value);
}
NS_IMETHODIMP
Row::GetUTF8String(uint32_t aIndex, nsACString& _value) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
return mData.ObjectAt(aIndex)->GetAsAUTF8String(_value);
}
NS_IMETHODIMP
Row::GetString(uint32_t aIndex, nsAString& _value) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
return mData.ObjectAt(aIndex)->GetAsAString(_value);
}
NS_IMETHODIMP
Row::GetBlob(uint32_t aIndex, uint32_t* _size, uint8_t** _blob) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
uint16_t type;
nsIID interfaceIID;
return mData.ObjectAt(aIndex)->GetAsArray(&type, &interfaceIID, _size,
reinterpret_cast<void**>(_blob));
}
NS_IMETHODIMP
Row::GetBlobAsString(uint32_t aIndex, nsAString& aValue) {
return DoGetBlobAsString(this, aIndex, aValue);
}
NS_IMETHODIMP
Row::GetBlobAsUTF8String(uint32_t aIndex, nsACString& aValue) {
return DoGetBlobAsString(this, aIndex, aValue);
}
NS_IMETHODIMP
Row::GetIsNull(uint32_t aIndex, bool* _isNull) {
ENSURE_INDEX_VALUE(aIndex, mNumCols);
NS_ENSURE_ARG_POINTER(_isNull);
uint16_t type = mData.ObjectAt(aIndex)->GetDataType();
*_isNull = type == nsIDataType::VTYPE_EMPTY;
return NS_OK;
}
NS_IMETHODIMP
Row::GetSharedUTF8String(uint32_t, uint32_t*, char const**) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Row::GetSharedString(uint32_t, uint32_t*, const char16_t**) {
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP
Row::GetSharedBlob(uint32_t, uint32_t*, const uint8_t**) {
return NS_ERROR_NOT_IMPLEMENTED;
}
} // namespace storage
} // namespace mozilla
|
