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storage/src/mozStorageArgValueArray.cpp@b8a032363ba2 (annotated)

storage/src/mozStorageArgValueArray.cpp

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
michael@0 3 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "nsError.h"
michael@0 8 #include "nsMemory.h"
michael@0 9 #include "nsString.h"
michael@0 10
michael@0 11 #include "mozStoragePrivateHelpers.h"
michael@0 12 #include "mozStorageArgValueArray.h"
michael@0 13
michael@0 14 namespace mozilla {
michael@0 15 namespace storage {
michael@0 16
michael@0 17 ////////////////////////////////////////////////////////////////////////////////
michael@0 18 //// ArgValueArray
michael@0 19
michael@0 20 ArgValueArray::ArgValueArray(int32_t aArgc,
michael@0 21 sqlite3_value **aArgv)
michael@0 22 : mArgc(aArgc)
michael@0 23 , mArgv(aArgv)
michael@0 24 {
michael@0 25 }
michael@0 26
michael@0 27 NS_IMPL_ISUPPORTS(
michael@0 28 ArgValueArray,
michael@0 29 mozIStorageValueArray
michael@0 30 )
michael@0 31
michael@0 32 ////////////////////////////////////////////////////////////////////////////////
michael@0 33 //// mozIStorageValueArray
michael@0 34
michael@0 35 NS_IMETHODIMP
michael@0 36 ArgValueArray::GetNumEntries(uint32_t *_size)
michael@0 37 {
michael@0 38 *_size = mArgc;
michael@0 39 return NS_OK;
michael@0 40 }
michael@0 41
michael@0 42 NS_IMETHODIMP
michael@0 43 ArgValueArray::GetTypeOfIndex(uint32_t aIndex,
michael@0 44 int32_t *_type)
michael@0 45 {
michael@0 46 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 47
michael@0 48 int t = ::sqlite3_value_type(mArgv[aIndex]);
michael@0 49 switch (t) {
michael@0 50 case SQLITE_INTEGER:
michael@0 51 *_type = VALUE_TYPE_INTEGER;
michael@0 52 break;
michael@0 53 case SQLITE_FLOAT:
michael@0 54 *_type = VALUE_TYPE_FLOAT;
michael@0 55 break;
michael@0 56 case SQLITE_TEXT:
michael@0 57 *_type = VALUE_TYPE_TEXT;
michael@0 58 break;
michael@0 59 case SQLITE_BLOB:
michael@0 60 *_type = VALUE_TYPE_BLOB;
michael@0 61 break;
michael@0 62 case SQLITE_NULL:
michael@0 63 *_type = VALUE_TYPE_NULL;
michael@0 64 break;
michael@0 65 default:
michael@0 66 return NS_ERROR_FAILURE;
michael@0 67 }
michael@0 68
michael@0 69 return NS_OK;
michael@0 70 }
michael@0 71
michael@0 72 NS_IMETHODIMP
michael@0 73 ArgValueArray::GetInt32(uint32_t aIndex,
michael@0 74 int32_t *_value)
michael@0 75 {
michael@0 76 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 77
michael@0 78 *_value = ::sqlite3_value_int(mArgv[aIndex]);
michael@0 79 return NS_OK;
michael@0 80 }
michael@0 81
michael@0 82 NS_IMETHODIMP
michael@0 83 ArgValueArray::GetInt64(uint32_t aIndex,
michael@0 84 int64_t *_value)
michael@0 85 {
michael@0 86 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 87
michael@0 88 *_value = ::sqlite3_value_int64(mArgv[aIndex]);
michael@0 89 return NS_OK;
michael@0 90 }
michael@0 91
michael@0 92 NS_IMETHODIMP
michael@0 93 ArgValueArray::GetDouble(uint32_t aIndex,
michael@0 94 double *_value)
michael@0 95 {
michael@0 96 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 97
michael@0 98 *_value = ::sqlite3_value_double(mArgv[aIndex]);
michael@0 99 return NS_OK;
michael@0 100 }
michael@0 101
michael@0 102 NS_IMETHODIMP
michael@0 103 ArgValueArray::GetUTF8String(uint32_t aIndex,
michael@0 104 nsACString &_value)
michael@0 105 {
michael@0 106 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 107
michael@0 108 if (::sqlite3_value_type(mArgv[aIndex]) == SQLITE_NULL) {
michael@0 109 // NULL columns should have IsVoid set to distinguish them from an empty
michael@0 110 // string.
michael@0 111 _value.Truncate(0);
michael@0 112 _value.SetIsVoid(true);
michael@0 113 }
michael@0 114 else {
michael@0 115 _value.Assign(reinterpret_cast<const char *>(::sqlite3_value_text(mArgv[aIndex])),
michael@0 116 ::sqlite3_value_bytes(mArgv[aIndex]));
michael@0 117 }
michael@0 118 return NS_OK;
michael@0 119 }
michael@0 120
michael@0 121 NS_IMETHODIMP
michael@0 122 ArgValueArray::GetString(uint32_t aIndex,
michael@0 123 nsAString &_value)
michael@0 124 {
michael@0 125 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 126
michael@0 127 if (::sqlite3_value_type(mArgv[aIndex]) == SQLITE_NULL) {
michael@0 128 // NULL columns should have IsVoid set to distinguish them from an empty
michael@0 129 // string.
michael@0 130 _value.Truncate(0);
michael@0 131 _value.SetIsVoid(true);
michael@0 132 } else {
michael@0 133 _value.Assign(static_cast<const char16_t *>(::sqlite3_value_text16(mArgv[aIndex])),
michael@0 134 ::sqlite3_value_bytes16(mArgv[aIndex]) / 2);
michael@0 135 }
michael@0 136 return NS_OK;
michael@0 137 }
michael@0 138
michael@0 139 NS_IMETHODIMP
michael@0 140 ArgValueArray::GetBlob(uint32_t aIndex,
michael@0 141 uint32_t *_size,
michael@0 142 uint8_t **_blob)
michael@0 143 {
michael@0 144 ENSURE_INDEX_VALUE(aIndex, mArgc);
michael@0 145
michael@0 146 int size = ::sqlite3_value_bytes(mArgv[aIndex]);
michael@0 147 void *blob = nsMemory::Clone(::sqlite3_value_blob(mArgv[aIndex]), size);
michael@0 148 NS_ENSURE_TRUE(blob, NS_ERROR_OUT_OF_MEMORY);
michael@0 149
michael@0 150 *_blob = static_cast<uint8_t *>(blob);
michael@0 151 *_size = size;
michael@0 152 return NS_OK;
michael@0 153 }
michael@0 154
michael@0 155 NS_IMETHODIMP
michael@0 156 ArgValueArray::GetIsNull(uint32_t aIndex,
michael@0 157 bool *_isNull)
michael@0 158 {
michael@0 159 // GetTypeOfIndex will check aIndex for us, so we don't have to.
michael@0 160 int32_t type;
michael@0 161 nsresult rv = GetTypeOfIndex(aIndex, &type);
michael@0 162 NS_ENSURE_SUCCESS(rv, rv);
michael@0 163
michael@0 164 *_isNull = (type == VALUE_TYPE_NULL);
michael@0 165 return NS_OK;
michael@0 166 }
michael@0 167
michael@0 168 NS_IMETHODIMP
michael@0 169 ArgValueArray::GetSharedUTF8String(uint32_t aIndex,
michael@0 170 uint32_t *_length,
michael@0 171 const char **_string)
michael@0 172 {
michael@0 173 if (_length)
michael@0 174 *_length = ::sqlite3_value_bytes(mArgv[aIndex]);
michael@0 175
michael@0 176 *_string = reinterpret_cast<const char *>(::sqlite3_value_text(mArgv[aIndex]));
michael@0 177 return NS_OK;
michael@0 178 }
michael@0 179
michael@0 180 NS_IMETHODIMP
michael@0 181 ArgValueArray::GetSharedString(uint32_t aIndex,
michael@0 182 uint32_t *_length,
michael@0 183 const char16_t **_string)
michael@0 184 {
michael@0 185 if (_length)
michael@0 186 *_length = ::sqlite3_value_bytes(mArgv[aIndex]);
michael@0 187
michael@0 188 *_string = static_cast<const char16_t *>(::sqlite3_value_text16(mArgv[aIndex]));
michael@0 189 return NS_OK;
michael@0 190 }
michael@0 191
michael@0 192 NS_IMETHODIMP
michael@0 193 ArgValueArray::GetSharedBlob(uint32_t aIndex,
michael@0 194 uint32_t *_size,
michael@0 195 const uint8_t **_blob)
michael@0 196 {
michael@0 197 *_size = ::sqlite3_value_bytes(mArgv[aIndex]);
michael@0 198 *_blob = static_cast<const uint8_t *>(::sqlite3_value_blob(mArgv[aIndex]));
michael@0 199 return NS_OK;
michael@0 200 }
michael@0 201
michael@0 202 } // namespace storage
michael@0 203 } // namespace mozilla

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