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gecko/dom/indexedDB/IDBObjectStore.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Indexed Database.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ben Turner <bent.mozilla@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "IDBObjectStore.h"
#include "nsIJSContextStack.h"
#include "nsIVariant.h"
#include "jscntxt.h"
#include "mozilla/storage.h"
#include "nsContentUtils.h"
#include "nsDOMClassInfo.h"
#include "nsEventDispatcher.h"
#include "nsJSUtils.h"
#include "nsServiceManagerUtils.h"
#include "nsThreadUtils.h"
#include "AsyncConnectionHelper.h"
#include "IDBCursor.h"
#include "IDBEvents.h"
#include "IDBIndex.h"
#include "IDBKeyRange.h"
#include "IDBTransaction.h"
#include "DatabaseInfo.h"
USING_INDEXEDDB_NAMESPACE
namespace {
class AddHelper : public AsyncConnectionHelper
{
public:
AddHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
JSAutoStructuredCloneBuffer& aCloneBuffer,
const Key& aKey,
bool aOverwrite,
nsTArray<IndexUpdateInfo>& aIndexUpdateInfo)
: AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore),
mKey(aKey), mOverwrite(aOverwrite)
{
mCloneBuffer.swap(aCloneBuffer);
mIndexUpdateInfo.SwapElements(aIndexUpdateInfo);
}
~AddHelper()
{
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer);
}
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult GetSuccessResult(JSContext* aCx,
jsval* aVal);
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer);
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
nsresult ModifyValueForNewKey();
nsresult UpdateIndexes(mozIStorageConnection* aConnection,
PRInt64 aObjectDataId);
private:
// In-params.
nsRefPtr<IDBObjectStore> mObjectStore;
// These may change in the autoincrement case.
JSAutoStructuredCloneBuffer mCloneBuffer;
Key mKey;
const bool mOverwrite;
nsTArray<IndexUpdateInfo> mIndexUpdateInfo;
};
class GetHelper : public AsyncConnectionHelper
{
public:
GetHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
const Key& aKey)
: AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore),
mKey(aKey)
{ }
~GetHelper()
{
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer);
}
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult GetSuccessResult(JSContext* aCx,
jsval* aVal);
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer);
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
protected:
// In-params.
nsRefPtr<IDBObjectStore> mObjectStore;
const Key mKey;
private:
// Out-params.
JSAutoStructuredCloneBuffer mCloneBuffer;
};
class DeleteHelper : public GetHelper
{
public:
DeleteHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
const Key& aKey)
: GetHelper(aTransaction, aRequest, aObjectStore, aKey)
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult GetSuccessResult(JSContext* aCx,
jsval* aVal);
};
class ClearHelper : public AsyncConnectionHelper
{
public:
ClearHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore)
: AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore)
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
protected:
// In-params.
nsRefPtr<IDBObjectStore> mObjectStore;
};
class OpenCursorHelper : public AsyncConnectionHelper
{
public:
OpenCursorHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
const Key& aLowerKey,
const Key& aUpperKey,
PRBool aLowerOpen,
PRBool aUpperOpen,
PRUint16 aDirection)
: AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore),
mLowerKey(aLowerKey), mUpperKey(aUpperKey), mLowerOpen(aLowerOpen),
mUpperOpen(aUpperOpen), mDirection(aDirection)
{ }
~OpenCursorHelper()
{
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer);
}
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult GetSuccessResult(JSContext* aCx,
jsval* aVal);
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffer);
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
private:
// In-params.
nsRefPtr<IDBObjectStore> mObjectStore;
const Key mLowerKey;
const Key mUpperKey;
const PRPackedBool mLowerOpen;
const PRPackedBool mUpperOpen;
const PRUint16 mDirection;
// Out-params.
Key mKey;
JSAutoStructuredCloneBuffer mCloneBuffer;
nsCString mContinueQuery;
nsCString mContinueToQuery;
Key mRangeKey;
};
class CreateIndexHelper : public AsyncConnectionHelper
{
public:
CreateIndexHelper(IDBTransaction* aTransaction,
IDBIndex* aIndex)
: AsyncConnectionHelper(aTransaction, nsnull), mIndex(aIndex)
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult OnSuccess()
{
return NS_OK;
}
void OnError()
{
NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!");
}
void ReleaseMainThreadObjects()
{
mIndex = nsnull;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
private:
nsresult InsertDataFromObjectStore(mozIStorageConnection* aConnection);
// In-params.
nsRefPtr<IDBIndex> mIndex;
};
class DeleteIndexHelper : public AsyncConnectionHelper
{
public:
DeleteIndexHelper(IDBTransaction* aTransaction,
const nsAString& aName,
IDBObjectStore* aObjectStore)
: AsyncConnectionHelper(aTransaction, nsnull), mName(aName),
mObjectStore(aObjectStore)
{ }
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult OnSuccess()
{
return NS_OK;
}
void OnError()
{
NS_ASSERTION(mTransaction->IsAborted(), "How else can this fail?!");
}
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
private:
// In-params
nsString mName;
nsRefPtr<IDBObjectStore> mObjectStore;
};
class GetAllHelper : public AsyncConnectionHelper
{
public:
GetAllHelper(IDBTransaction* aTransaction,
IDBRequest* aRequest,
IDBObjectStore* aObjectStore,
const Key& aLowerKey,
const Key& aUpperKey,
const PRBool aLowerOpen,
const PRBool aUpperOpen,
const PRUint32 aLimit)
: AsyncConnectionHelper(aTransaction, aRequest), mObjectStore(aObjectStore),
mLowerKey(aLowerKey), mUpperKey(aUpperKey), mLowerOpen(aLowerOpen),
mUpperOpen(aUpperOpen), mLimit(aLimit)
{ }
~GetAllHelper()
{
for (PRUint32 index = 0; index < mCloneBuffers.Length(); index++) {
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffers[index]);
}
}
nsresult DoDatabaseWork(mozIStorageConnection* aConnection);
nsresult GetSuccessResult(JSContext* aCx,
jsval* aVal);
void ReleaseMainThreadObjects()
{
mObjectStore = nsnull;
for (PRUint32 index = 0; index < mCloneBuffers.Length(); index++) {
IDBObjectStore::ClearStructuredCloneBuffer(mCloneBuffers[index]);
}
AsyncConnectionHelper::ReleaseMainThreadObjects();
}
protected:
// In-params.
nsRefPtr<IDBObjectStore> mObjectStore;
const Key mLowerKey;
const Key mUpperKey;
const PRPackedBool mLowerOpen;
const PRPackedBool mUpperOpen;
const PRUint32 mLimit;
private:
// Out-params.
nsTArray<JSAutoStructuredCloneBuffer> mCloneBuffers;
};
NS_STACK_CLASS
class AutoRemoveIndex
{
public:
AutoRemoveIndex(PRUint32 aDatabaseId,
const nsAString& aObjectStoreName,
const nsAString& aIndexName)
: mDatabaseId(aDatabaseId), mObjectStoreName(aObjectStoreName),
mIndexName(aIndexName)
{ }
~AutoRemoveIndex()
{
if (mDatabaseId) {
ObjectStoreInfo* info;
if (ObjectStoreInfo::Get(mDatabaseId, mObjectStoreName, &info)) {
for (PRUint32 index = 0; index < info->indexes.Length(); index++) {
if (info->indexes[index].name == mIndexName) {
info->indexes.RemoveElementAt(index);
break;
}
}
}
}
}
void forget()
{
mDatabaseId = 0;
}
private:
PRUint32 mDatabaseId;
nsString mObjectStoreName;
nsString mIndexName;
};
inline
nsresult
GetKeyFromObject(JSContext* aCx,
JSObject* aObj,
const nsString& aKeyPath,
Key& aKey)
{
NS_PRECONDITION(aCx && aObj, "Null pointers!");
NS_ASSERTION(!aKeyPath.IsVoid(), "This will explode!");
const jschar* keyPathChars = reinterpret_cast<const jschar*>(aKeyPath.get());
const size_t keyPathLen = aKeyPath.Length();
jsval key;
JSBool ok = JS_GetUCProperty(aCx, aObj, keyPathChars, keyPathLen, &key);
NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsresult rv = IDBObjectStore::GetKeyFromJSVal(key, aCx, aKey);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
inline
already_AddRefed<IDBRequest>
GenerateRequest(IDBObjectStore* aObjectStore)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
IDBDatabase* database = aObjectStore->Transaction()->Database();
return IDBRequest::Create(aObjectStore, database->ScriptContext(),
database->Owner(), aObjectStore->Transaction());
}
} // anonymous namespace
// static
already_AddRefed<IDBObjectStore>
IDBObjectStore::Create(IDBTransaction* aTransaction,
const ObjectStoreInfo* aStoreInfo)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsRefPtr<IDBObjectStore> objectStore = new IDBObjectStore();
objectStore->mScriptContext = aTransaction->Database()->ScriptContext();
objectStore->mOwner = aTransaction->Database()->Owner();
objectStore->mTransaction = aTransaction;
objectStore->mName = aStoreInfo->name;
objectStore->mId = aStoreInfo->id;
objectStore->mKeyPath = aStoreInfo->keyPath;
objectStore->mAutoIncrement = aStoreInfo->autoIncrement;
objectStore->mDatabaseId = aStoreInfo->databaseId;
return objectStore.forget();
}
// static
nsresult
IDBObjectStore::GetKeyFromVariant(nsIVariant* aKeyVariant,
Key& aKey)
{
if (!aKeyVariant) {
aKey = Key::UNSETKEY;
return NS_OK;
}
PRUint16 type;
nsresult rv = aKeyVariant->GetDataType(&type);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
// See xpcvariant.cpp, these are the only types we should expect.
switch (type) {
case nsIDataType::VTYPE_VOID:
aKey = Key::UNSETKEY;
return NS_OK;
case nsIDataType::VTYPE_WSTRING_SIZE_IS:
rv = aKeyVariant->GetAsAString(aKey.ToString());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
case nsIDataType::VTYPE_INT32:
case nsIDataType::VTYPE_DOUBLE:
rv = aKeyVariant->GetAsInt64(aKey.ToIntPtr());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
default:
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
NS_NOTREACHED("Can't get here!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
// static
nsresult
IDBObjectStore::GetKeyFromJSVal(jsval aKeyVal,
JSContext* aCx,
Key& aKey)
{
if (JSVAL_IS_VOID(aKeyVal)) {
aKey = Key::UNSETKEY;
}
else if (JSVAL_IS_STRING(aKeyVal)) {
nsDependentJSString depStr;
if (!depStr.init(aCx, JSVAL_TO_STRING(aKeyVal))) {
return NS_ERROR_OUT_OF_MEMORY;
}
aKey = depStr;
}
else if (JSVAL_IS_INT(aKeyVal)) {
aKey = JSVAL_TO_INT(aKeyVal);
}
else if (JSVAL_IS_DOUBLE(aKeyVal)) {
aKey = JSVAL_TO_DOUBLE(aKeyVal);
}
else {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
return NS_OK;
}
// static
nsresult
IDBObjectStore::GetJSValFromKey(const Key& aKey,
JSContext* aCx,
jsval* aKeyVal)
{
if (aKey.IsUnset()) {
*aKeyVal = JSVAL_VOID;
return NS_OK;
}
if (aKey.IsInt()) {
JSBool ok = JS_NewNumberValue(aCx, aKey.IntValue(), aKeyVal);
NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
if (aKey.IsString()) {
const nsString& keyString = aKey.StringValue();
JSString* str =
JS_NewUCStringCopyN(aCx,
reinterpret_cast<const jschar*>(keyString.get()),
keyString.Length());
NS_ENSURE_TRUE(str, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
*aKeyVal = STRING_TO_JSVAL(str);
return NS_OK;
}
NS_NOTREACHED("Unknown key type!");
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
// static
nsresult
IDBObjectStore::GetKeyPathValueFromStructuredData(const PRUint8* aData,
PRUint32 aDataLength,
const nsAString& aKeyPath,
JSContext** aCx,
Key& aValue)
{
NS_ASSERTION(aData, "Null pointer!");
NS_ASSERTION(aDataLength, "Empty data!");
NS_ASSERTION(!aKeyPath.IsEmpty(), "Empty keyPath!");
NS_ASSERTION(aCx, "Null pointer!");
nsresult rv;
if (!*aCx) {
rv = nsContentUtils::ThreadJSContextStack()->GetSafeJSContext(aCx);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
JSContext*& cx = *aCx;
JSAutoRequest ar(cx);
jsval clone;
if (!JS_ReadStructuredClone(cx, reinterpret_cast<const uint64*>(aData),
aDataLength, JS_STRUCTURED_CLONE_VERSION,
&clone, NULL, NULL)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
if (JSVAL_IS_PRIMITIVE(clone)) {
// This isn't an object, so just leave the key unset.
aValue = Key::UNSETKEY;
return NS_OK;
}
JSObject* obj = JSVAL_TO_OBJECT(clone);
const jschar* keyPathChars =
reinterpret_cast<const jschar*>(aKeyPath.BeginReading());
const size_t keyPathLen = aKeyPath.Length();
jsval keyVal;
JSBool ok = JS_GetUCProperty(cx, obj, keyPathChars, keyPathLen, &keyVal);
NS_ENSURE_TRUE(ok, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = GetKeyFromJSVal(keyVal, *aCx, aValue);
if (NS_FAILED(rv)) {
// If the object doesn't have a value that we can use for our index then we
// leave it unset.
aValue = Key::UNSETKEY;
}
return NS_OK;
}
/* static */
nsresult
IDBObjectStore::GetIndexUpdateInfo(ObjectStoreInfo* aObjectStoreInfo,
JSContext* aCx,
jsval aObject,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
JSObject* cloneObj = nsnull;
PRUint32 count = aObjectStoreInfo->indexes.Length();
if (count && !JSVAL_IS_PRIMITIVE(aObject)) {
if (!aUpdateInfoArray.SetCapacity(count)) {
NS_ERROR("Out of memory!");
return NS_ERROR_OUT_OF_MEMORY;
}
cloneObj = JSVAL_TO_OBJECT(aObject);
for (PRUint32 indexesIndex = 0; indexesIndex < count; indexesIndex++) {
const IndexInfo& indexInfo = aObjectStoreInfo->indexes[indexesIndex];
const jschar* keyPathChars =
reinterpret_cast<const jschar*>(indexInfo.keyPath.BeginReading());
const size_t keyPathLen = indexInfo.keyPath.Length();
jsval keyPathValue;
JSBool ok = JS_GetUCProperty(aCx, cloneObj, keyPathChars, keyPathLen,
&keyPathValue);
NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
Key value;
nsresult rv = GetKeyFromJSVal(keyPathValue, aCx, value);
if (NS_FAILED(rv) || value.IsUnset()) {
// Not a value we can do anything with, ignore it.
continue;
}
IndexUpdateInfo* updateInfo = aUpdateInfoArray.AppendElement();
updateInfo->info = indexInfo;
updateInfo->value = value;
}
}
else {
aUpdateInfoArray.Clear();
}
return NS_OK;
}
/* static */
nsresult
IDBObjectStore::UpdateIndexes(IDBTransaction* aTransaction,
PRInt64 aObjectStoreId,
const Key& aObjectStoreKey,
bool aAutoIncrement,
bool aOverwrite,
PRInt64 aObjectDataId,
const nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
#ifdef DEBUG
if (aAutoIncrement) {
NS_ASSERTION(aObjectDataId != LL_MININT, "Bad objectData id!");
}
else {
NS_ASSERTION(aObjectDataId == LL_MININT, "Bad objectData id!");
}
#endif
PRUint32 indexCount = aUpdateInfoArray.Length();
NS_ASSERTION(indexCount, "Don't call me!");
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv;
if (!aAutoIncrement) {
stmt = aTransaction->GetCachedStatement(
"SELECT id "
"FROM object_data "
"WHERE object_store_id = :osid "
"AND key_value = :key_value"
);
NS_ENSURE_TRUE(stmt, NS_ERROR_FAILURE);
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), aObjectStoreId);
NS_ENSURE_SUCCESS(rv, rv);
NS_ASSERTION(!aObjectStoreKey.IsUnset(), "This shouldn't happen!");
NS_NAMED_LITERAL_CSTRING(keyValue, "key_value");
if (aObjectStoreKey.IsInt()) {
rv = stmt->BindInt64ByName(keyValue, aObjectStoreKey.IntValue());
}
else if (aObjectStoreKey.IsString()) {
rv = stmt->BindStringByName(keyValue, aObjectStoreKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, rv);
PRBool hasResult;
rv = stmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, rv);
if (!hasResult) {
NS_ERROR("This is bad, we just added this value! Where'd it go?!");
return NS_ERROR_FAILURE;
}
aObjectDataId = stmt->AsInt64(0);
}
NS_ASSERTION(aObjectDataId != LL_MININT, "Bad objectData id!");
for (PRUint32 indexIndex = 0; indexIndex < indexCount; indexIndex++) {
const IndexUpdateInfo& updateInfo = aUpdateInfoArray[indexIndex];
stmt = aTransaction->IndexUpdateStatement(updateInfo.info.autoIncrement,
updateInfo.info.unique,
aOverwrite);
NS_ENSURE_TRUE(stmt, NS_ERROR_FAILURE);
mozStorageStatementScoper scoper2(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("index_id"),
updateInfo.info.id);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("object_data_id"),
aObjectDataId);
NS_ENSURE_SUCCESS(rv, rv);
NS_NAMED_LITERAL_CSTRING(objectDataKey, "object_data_key");
if (aObjectStoreKey.IsInt()) {
rv = stmt->BindInt64ByName(objectDataKey, aObjectStoreKey.IntValue());
}
else if (aObjectStoreKey.IsString()) {
rv = stmt->BindStringByName(objectDataKey, aObjectStoreKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, rv);
NS_NAMED_LITERAL_CSTRING(value, "value");
if (updateInfo.value.IsInt()) {
rv = stmt->BindInt64ByName(value, updateInfo.value.IntValue());
}
else if (updateInfo.value.IsString()) {
rv = stmt->BindStringByName(value, updateInfo.value.StringValue());
}
else if (updateInfo.value.IsUnset()) {
rv = stmt->BindStringByName(value, updateInfo.value.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->Execute();
if (NS_FAILED(rv)) {
return rv;
}
}
return NS_OK;
}
// static
nsresult
IDBObjectStore::GetStructuredCloneDataFromStatement(
mozIStorageStatement* aStatement,
PRUint32 aIndex,
JSAutoStructuredCloneBuffer& aBuffer)
{
#ifdef DEBUG
{
PRInt32 valueType;
NS_ASSERTION(NS_SUCCEEDED(aStatement->GetTypeOfIndex(aIndex, &valueType)) &&
valueType == mozIStorageStatement::VALUE_TYPE_BLOB,
"Bad value type!");
}
#endif
const PRUint8* data;
PRUint32 dataLength;
nsresult rv = aStatement->GetSharedBlob(aIndex, &dataLength, &data);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
JSContext* cx;
rv = nsContentUtils::ThreadJSContextStack()->GetSafeJSContext(&cx);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
JSAutoRequest ar(cx);
uint64* newData = static_cast<uint64*>(JS_malloc(cx, dataLength));
NS_ENSURE_TRUE(newData, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
memcpy(newData, data, dataLength);
aBuffer.adopt(cx, newData, dataLength);
return NS_OK;
}
// static
void
IDBObjectStore::ClearStructuredCloneBuffer(JSAutoStructuredCloneBuffer& aBuffer)
{
if (aBuffer.data()) {
JSContext* cx;
if (NS_SUCCEEDED(nsContentUtils::ThreadJSContextStack()->
GetSafeJSContext(&cx))) {
JSAutoRequest ar(cx);
aBuffer.clear(cx);
}
else {
NS_WARNING("Couldn't get safe JSContext! Leaking data!");
uint64* data;
size_t length;
aBuffer.steal(&data, &length);
}
}
}
IDBObjectStore::IDBObjectStore()
: mId(LL_MININT),
mAutoIncrement(PR_FALSE)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
}
IDBObjectStore::~IDBObjectStore()
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
}
nsresult
IDBObjectStore::GetAddInfo(JSContext* aCx,
jsval aValue,
jsval aKeyVal,
JSAutoStructuredCloneBuffer& aCloneBuffer,
Key& aKey,
nsTArray<IndexUpdateInfo>& aUpdateInfoArray)
{
nsresult rv;
// Return DATA_ERR if a key was passed in and this objectStore uses inline
// keys.
if (!JSVAL_IS_VOID(aKeyVal) && !mKeyPath.IsEmpty()) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
JSAutoRequest ar(aCx);
if (mKeyPath.IsEmpty()) {
// Out-of-line keys must be passed in.
rv = GetKeyFromJSVal(aKeyVal, aCx, aKey);
NS_ENSURE_SUCCESS(rv, rv);
}
else {
// Inline keys live on the object. Make sure that the value passed in is an
// object.
if (JSVAL_IS_PRIMITIVE(aValue)) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
rv = GetKeyFromObject(aCx, JSVAL_TO_OBJECT(aValue), mKeyPath, aKey);
NS_ENSURE_SUCCESS(rv, rv);
}
// Return DATA_ERR if no key was specified this isn't an autoIncrement
// objectStore.
if (aKey.IsUnset() && !mAutoIncrement) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
// Figure out indexes and the index values to update here.
ObjectStoreInfo* info;
if (!ObjectStoreInfo::Get(mTransaction->Database()->Id(), mName, &info)) {
NS_ERROR("This should never fail!");
}
rv = GetIndexUpdateInfo(info, aCx, aValue, aUpdateInfoArray);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!aCloneBuffer.write(aCx, aValue)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
nsresult
IDBObjectStore::AddOrPut(const jsval& aValue,
const jsval& aKey,
JSContext* aCx,
PRUint8 aOptionalArgCount,
nsIIDBRequest** _retval,
bool aOverwrite)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
if (!IsWriteAllowed()) {
return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR;
}
jsval keyval = (aOptionalArgCount >= 1) ? aKey : JSVAL_VOID;
JSAutoStructuredCloneBuffer cloneBuffer;
Key key;
nsTArray<IndexUpdateInfo> updateInfo;
nsresult rv = GetAddInfo(aCx, aValue, keyval, cloneBuffer, key, updateInfo);
if (NS_FAILED(rv)) {
return rv;
}
// Put requires a key.
if (aOverwrite && key.IsUnset()) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<AddHelper> helper =
new AddHelper(mTransaction, request, this, cloneBuffer, key, aOverwrite,
updateInfo);
rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.forget(_retval);
return NS_OK;
}
NS_IMPL_CYCLE_COLLECTION_CLASS(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR_AMBIGUOUS(mTransaction,
nsPIDOMEventTarget)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mOwner)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mScriptContext)
for (PRUint32 i = 0; i < tmp->mCreatedIndexes.Length(); i++) {
NS_CYCLE_COLLECTION_NOTE_EDGE_NAME(cb, "mCreatedIndexes[i]");
cb.NoteXPCOMChild(static_cast<nsIIDBIndex*>(tmp->mCreatedIndexes[i].get()));
}
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(IDBObjectStore)
// Don't unlink mTransaction!
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mOwner)
NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mScriptContext)
tmp->mCreatedIndexes.Clear();
NS_IMPL_CYCLE_COLLECTION_UNLINK_END
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(IDBObjectStore)
NS_INTERFACE_MAP_ENTRY(nsIIDBObjectStore)
NS_DOM_INTERFACE_MAP_ENTRY_CLASSINFO(IDBObjectStore)
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
NS_IMPL_CYCLE_COLLECTING_ADDREF(IDBObjectStore)
NS_IMPL_CYCLE_COLLECTING_RELEASE(IDBObjectStore)
DOMCI_DATA(IDBObjectStore, IDBObjectStore)
NS_IMETHODIMP
IDBObjectStore::GetName(nsAString& aName)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
aName.Assign(mName);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::GetKeyPath(nsAString& aKeyPath)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
aKeyPath.Assign(mKeyPath);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::GetTransaction(nsIIDBTransaction** aTransaction)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
nsCOMPtr<nsIIDBTransaction> transaction(mTransaction);
transaction.forget(aTransaction);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::GetIndexNames(nsIDOMDOMStringList** aIndexNames)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
ObjectStoreInfo* info;
if (!ObjectStoreInfo::Get(mTransaction->Database()->Id(), mName, &info)) {
NS_ERROR("This should never fail!");
}
nsRefPtr<nsDOMStringList> list(new nsDOMStringList());
PRUint32 count = info->indexes.Length();
for (PRUint32 index = 0; index < count; index++) {
NS_ENSURE_TRUE(list->Add(info->indexes[index].name),
NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
list.forget(aIndexNames);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::Get(nsIVariant* aKey,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
Key key;
nsresult rv = GetKeyFromVariant(aKey, key);
if (NS_FAILED(rv)) {
// Check to see if this is a key range.
PRUint16 type;
rv = aKey->GetDataType(&type);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (type != nsIDataType::VTYPE_INTERFACE &&
type != nsIDataType::VTYPE_INTERFACE_IS) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
// XXX I hate this API. Move to jsvals, stat.
nsID* iid;
nsCOMPtr<nsISupports> supports;
rv = aKey->GetAsInterface(&iid, getter_AddRefs(supports));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_Free(iid);
nsCOMPtr<nsIIDBKeyRange> keyRange = do_QueryInterface(supports);
if (!keyRange) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
return GetAll(keyRange, 0, 0, _retval);
}
if (key.IsUnset()) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<GetHelper> helper(new GetHelper(mTransaction, request, this, key));
rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::GetAll(nsIIDBKeyRange* aKeyRange,
PRUint32 aLimit,
PRUint8 aOptionalArgCount,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
if (aOptionalArgCount < 2) {
aLimit = PR_UINT32_MAX;
}
nsresult rv;
Key lowerKey, upperKey;
PRBool lowerOpen = PR_FALSE, upperOpen = PR_FALSE;
if (aKeyRange) {
nsCOMPtr<nsIVariant> variant;
rv = aKeyRange->GetLower(getter_AddRefs(variant));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = IDBObjectStore::GetKeyFromVariant(variant, lowerKey);
if (NS_FAILED(rv)) {
return rv;
}
rv = aKeyRange->GetUpper(getter_AddRefs(variant));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = IDBObjectStore::GetKeyFromVariant(variant, upperKey);
if (NS_FAILED(rv)) {
return rv;
}
rv = aKeyRange->GetLowerOpen(&lowerOpen);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = aKeyRange->GetUpperOpen(&upperOpen);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<GetAllHelper> helper =
new GetAllHelper(mTransaction, request, this, lowerKey, upperKey, lowerOpen,
upperOpen, aLimit);
rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::Add(const jsval& aValue,
const jsval& aKey,
JSContext* aCx,
PRUint8 aOptionalArgCount,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return AddOrPut(aValue, aKey, aCx, aOptionalArgCount, _retval, false);
}
NS_IMETHODIMP
IDBObjectStore::Put(const jsval& aValue,
const jsval& aKey,
JSContext* aCx,
PRUint8 aOptionalArgCount,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
return AddOrPut(aValue, aKey, aCx, aOptionalArgCount, _retval, true);
}
NS_IMETHODIMP
IDBObjectStore::Delete(const jsval& aKey,
JSContext* aCx,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
if (!IsWriteAllowed()) {
return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR;
}
Key key;
nsresult rv = GetKeyFromJSVal(aKey, aCx, key);
if (NS_FAILED(rv)) {
return rv;
}
if (key.IsUnset()) {
return NS_ERROR_DOM_INDEXEDDB_DATA_ERR;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<DeleteHelper> helper =
new DeleteHelper(mTransaction, request, this, key);
rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::Clear(nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
if (!IsWriteAllowed()) {
return NS_ERROR_DOM_INDEXEDDB_READ_ONLY_ERR;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<ClearHelper> helper(new ClearHelper(mTransaction, request, this));
nsresult rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::OpenCursor(nsIIDBKeyRange* aKeyRange,
PRUint16 aDirection,
PRUint8 aOptionalArgCount,
nsIIDBRequest** _retval)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
nsresult rv;
Key lowerKey, upperKey;
PRBool lowerOpen = PR_FALSE, upperOpen = PR_FALSE;
if (aKeyRange) {
nsCOMPtr<nsIVariant> variant;
rv = aKeyRange->GetLower(getter_AddRefs(variant));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = IDBObjectStore::GetKeyFromVariant(variant, lowerKey);
if (NS_FAILED(rv)) {
return rv;
}
rv = aKeyRange->GetUpper(getter_AddRefs(variant));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = IDBObjectStore::GetKeyFromVariant(variant, upperKey);
if (NS_FAILED(rv)) {
return rv;
}
rv = aKeyRange->GetLowerOpen(&lowerOpen);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = aKeyRange->GetUpperOpen(&upperOpen);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
if (aOptionalArgCount >= 2) {
if (aDirection != nsIIDBCursor::NEXT &&
aDirection != nsIIDBCursor::NEXT_NO_DUPLICATE &&
aDirection != nsIIDBCursor::PREV &&
aDirection != nsIIDBCursor::PREV_NO_DUPLICATE) {
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
}
else {
aDirection = nsIIDBCursor::NEXT;
}
nsRefPtr<IDBRequest> request = GenerateRequest(this);
NS_ENSURE_TRUE(request, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
nsRefPtr<OpenCursorHelper> helper =
new OpenCursorHelper(mTransaction, request, this, lowerKey, upperKey,
lowerOpen, upperOpen, aDirection);
rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
request.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::CreateIndex(const nsAString& aName,
const nsAString& aKeyPath,
const jsval& aOptions,
JSContext* aCx,
nsIIDBIndex** _retval)
{
NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!");
if (aName.IsEmpty() || aKeyPath.IsEmpty()) {
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction != mTransaction ||
mTransaction->Mode() != nsIIDBTransaction::VERSION_CHANGE) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
ObjectStoreInfo* info;
if (!ObjectStoreInfo::Get(mTransaction->Database()->Id(), mName, &info)) {
NS_ERROR("This should never fail!");
}
bool found = false;
PRUint32 indexCount = info->indexes.Length();
for (PRUint32 index = 0; index < indexCount; index++) {
if (info->indexes[index].name == aName) {
found = true;
break;
}
}
if (found) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
NS_ASSERTION(mTransaction->IsOpen(), "Impossible!");
bool unique = false;
// Get optional arguments.
if (!JSVAL_IS_VOID(aOptions) && !JSVAL_IS_NULL(aOptions)) {
if (JSVAL_IS_PRIMITIVE(aOptions)) {
// XXX Update spec for a real code here
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
NS_ASSERTION(JSVAL_IS_OBJECT(aOptions), "Huh?!");
JSObject* options = JSVAL_TO_OBJECT(aOptions);
js::AutoIdArray ids(aCx, JS_Enumerate(aCx, options));
if (!ids) {
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
for (size_t index = 0; index < ids.length(); index++) {
jsid id = ids[index];
if (id != nsDOMClassInfo::sUnique_id) {
// XXX Update spec for a real code here
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
jsval val;
if (!JS_GetPropertyById(aCx, options, id, &val)) {
NS_WARNING("JS_GetPropertyById failed!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (id == nsDOMClassInfo::sUnique_id) {
JSBool boolVal;
if (!JS_ValueToBoolean(aCx, val, &boolVal)) {
NS_WARNING("JS_ValueToBoolean failed!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
unique = !!boolVal;
}
else {
NS_NOTREACHED("Shouldn't be able to get here!");
}
}
}
DatabaseInfo* databaseInfo;
if (!DatabaseInfo::Get(mTransaction->Database()->Id(), &databaseInfo)) {
NS_ERROR("This should never fail!");
}
IndexInfo* indexInfo = info->indexes.AppendElement();
if (!indexInfo) {
NS_WARNING("Out of memory!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
indexInfo->id = databaseInfo->nextIndexId++;
indexInfo->name = aName;
indexInfo->keyPath = aKeyPath;
indexInfo->unique = unique;
indexInfo->autoIncrement = mAutoIncrement;
// Don't leave this in the list if we fail below!
AutoRemoveIndex autoRemove(databaseInfo->id, mName, aName);
#ifdef DEBUG
for (PRUint32 index = 0; index < mCreatedIndexes.Length(); index++) {
if (mCreatedIndexes[index]->Name() == aName) {
NS_ERROR("Already created this one!");
}
}
#endif
nsRefPtr<IDBIndex> index(IDBIndex::Create(this, indexInfo));
if (!mCreatedIndexes.AppendElement(index)) {
NS_WARNING("Out of memory!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsRefPtr<CreateIndexHelper> helper =
new CreateIndexHelper(mTransaction, index);
nsresult rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
autoRemove.forget();
index.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::Index(const nsAString& aName,
nsIIDBIndex** _retval)
{
NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!");
if (!mTransaction->IsOpen()) {
return NS_ERROR_DOM_INDEXEDDB_TRANSACTION_INACTIVE_ERR;
}
if (aName.IsEmpty()) {
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
ObjectStoreInfo* info;
if (!ObjectStoreInfo::Get(mTransaction->Database()->Id(), mName, &info)) {
NS_ERROR("This should never fail!");
}
IndexInfo* indexInfo = nsnull;
PRUint32 indexCount = info->indexes.Length();
for (PRUint32 index = 0; index < indexCount; index++) {
if (info->indexes[index].name == aName) {
indexInfo = &(info->indexes[index]);
break;
}
}
if (!indexInfo) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
nsRefPtr<IDBIndex> retval;
for (PRUint32 i = 0; i < mCreatedIndexes.Length(); i++) {
nsRefPtr<IDBIndex>& index = mCreatedIndexes[i];
if (index->Name() == aName) {
retval = index;
break;
}
}
if (!retval) {
retval = IDBIndex::Create(this, indexInfo);
NS_ENSURE_TRUE(retval, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!mCreatedIndexes.AppendElement(retval)) {
NS_WARNING("Out of memory!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
retval.forget(_retval);
return NS_OK;
}
NS_IMETHODIMP
IDBObjectStore::DeleteIndex(const nsAString& aName)
{
NS_PRECONDITION(NS_IsMainThread(), "Wrong thread!");
if (aName.IsEmpty()) {
return NS_ERROR_DOM_INDEXEDDB_NON_TRANSIENT_ERR;
}
IDBTransaction* transaction = AsyncConnectionHelper::GetCurrentTransaction();
if (!transaction ||
transaction != mTransaction ||
mTransaction->Mode() != nsIIDBTransaction::VERSION_CHANGE) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
NS_ASSERTION(mTransaction->IsOpen(), "Impossible!");
ObjectStoreInfo* info;
if (!ObjectStoreInfo::Get(mTransaction->Database()->Id(), mName, &info)) {
NS_ERROR("This should never fail!");
}
PRUint32 index = 0;
for (; index < info->indexes.Length(); index++) {
if (info->indexes[index].name == aName) {
break;
}
}
if (index == info->indexes.Length()) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
nsRefPtr<DeleteIndexHelper> helper =
new DeleteIndexHelper(mTransaction, aName, this);
nsresult rv = helper->DispatchToTransactionPool();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
info->indexes.RemoveElementAt(index);
return NS_OK;
}
nsresult
AddHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_PRECONDITION(aConnection, "Passed a null connection!");
nsresult rv;
bool mayOverwrite = mOverwrite;
bool unsetKey = mKey.IsUnset();
bool autoIncrement = mObjectStore->IsAutoIncrement();
PRInt64 osid = mObjectStore->Id();
const nsString& keyPath = mObjectStore->KeyPath();
if (unsetKey) {
NS_ASSERTION(autoIncrement, "Must have a key for non-autoIncrement!");
// Will need to add first and then set the key later.
mayOverwrite = false;
}
if (autoIncrement && !unsetKey) {
mayOverwrite = true;
}
nsCOMPtr<mozIStorageStatement> stmt;
if (!mOverwrite && !unsetKey) {
// Make sure the key doesn't exist already
stmt = mTransaction->GetStatement(autoIncrement);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_NAMED_LITERAL_CSTRING(id, "id");
if (mKey.IsInt()) {
rv = stmt->BindInt64ByName(id, mKey.IntValue());
}
else if (mKey.IsString()) {
rv = stmt->BindStringByName(id, mKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
PRBool hasResult;
rv = stmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (hasResult) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
}
// Now we add it to the database (or update, depending on our variables).
stmt = mTransaction->AddStatement(true, mayOverwrite, autoIncrement);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
NS_NAMED_LITERAL_CSTRING(keyValue, "key_value");
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!autoIncrement || mayOverwrite) {
NS_ASSERTION(!mKey.IsUnset(), "This shouldn't happen!");
if (mKey.IsInt()) {
rv = stmt->BindInt64ByName(keyValue, mKey.IntValue());
}
else if (mKey.IsString()) {
rv = stmt->BindStringByName(keyValue, mKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
const PRUint8* buffer = reinterpret_cast<const PRUint8*>(mCloneBuffer.data());
size_t bufferLength = mCloneBuffer.nbytes();
rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), buffer, bufferLength);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
if (NS_FAILED(rv)) {
if (mayOverwrite && rv == NS_ERROR_STORAGE_CONSTRAINT) {
scoper.Abandon();
rv = stmt->Reset();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
stmt = mTransaction->AddStatement(false, true, autoIncrement);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper2(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!mKey.IsUnset(), "This shouldn't happen!");
if (mKey.IsInt()) {
rv = stmt->BindInt64ByName(keyValue, mKey.IntValue());
}
else if (mKey.IsString()) {
rv = stmt->BindStringByName(keyValue, mKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), buffer,
bufferLength);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
}
if (NS_FAILED(rv)) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
}
// If we are supposed to generate a key, get the new id.
if (autoIncrement && !mOverwrite) {
#ifdef DEBUG
PRInt64 oldKey = unsetKey ? 0 : mKey.IntValue();
#endif
rv = aConnection->GetLastInsertRowID(mKey.ToIntPtr());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
#ifdef DEBUG
NS_ASSERTION(mKey.IsInt(), "Bad key value!");
if (!unsetKey) {
NS_ASSERTION(mKey.IntValue() == oldKey, "Something went haywire!");
}
#endif
if (!keyPath.IsEmpty() && unsetKey) {
// Special case where someone put an object into an autoIncrement'ing
// objectStore with no key in its keyPath set. We needed to figure out
// which row id we would get above before we could set that properly.
rv = ModifyValueForNewKey();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
scoper.Abandon();
rv = stmt->Reset();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
stmt = mTransaction->AddStatement(false, true, true);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper2(stmt);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"), osid);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt64ByName(keyValue, mKey.IntValue());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
buffer = reinterpret_cast<const PRUint8*>(mCloneBuffer.data());
bufferLength = mCloneBuffer.nbytes();
rv = stmt->BindBlobByName(NS_LITERAL_CSTRING("data"), buffer,
bufferLength);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
}
// Update our indexes if needed.
if (!mIndexUpdateInfo.IsEmpty()) {
PRInt64 objectDataId = autoIncrement ? mKey.IntValue() : LL_MININT;
rv = IDBObjectStore::UpdateIndexes(mTransaction, osid, mKey,
autoIncrement, mOverwrite,
objectDataId, mIndexUpdateInfo);
if (rv == NS_ERROR_STORAGE_CONSTRAINT) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
return NS_OK;
}
nsresult
AddHelper::GetSuccessResult(JSContext* aCx,
jsval* aVal)
{
NS_ASSERTION(!mKey.IsUnset(), "Badness!");
mCloneBuffer.clear(aCx);
return IDBObjectStore::GetJSValFromKey(mKey, aCx, aVal);
}
nsresult
AddHelper::ModifyValueForNewKey()
{
NS_ASSERTION(mObjectStore->IsAutoIncrement() &&
!mObjectStore->KeyPath().IsEmpty() &&
mKey.IsInt(),
"Don't call me!");
const nsString& keyPath = mObjectStore->KeyPath();
JSContext* cx;
nsresult rv = nsContentUtils::ThreadJSContextStack()->GetSafeJSContext(&cx);
NS_ENSURE_SUCCESS(rv, rv);
JSAutoRequest ar(cx);
jsval clone;
if (!mCloneBuffer.read(&clone, cx)) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
NS_ASSERTION(!JSVAL_IS_PRIMITIVE(clone), "We should have an object!");
JSObject* obj = JSVAL_TO_OBJECT(clone);
JSBool ok;
const jschar* keyPathChars = reinterpret_cast<const jschar*>(keyPath.get());
const size_t keyPathLen = keyPath.Length();
#ifdef DEBUG
{
jsval prop;
ok = JS_GetUCProperty(cx, obj, keyPathChars, keyPathLen, &prop);
NS_ASSERTION(ok && JSVAL_IS_VOID(prop), "Already has a key prop!");
}
#endif
jsval key;
ok = JS_NewNumberValue(cx, mKey.IntValue(), &key);
NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
ok = JS_DefineUCProperty(cx, obj, keyPathChars, keyPathLen, key, nsnull,
nsnull, JSPROP_ENUMERATE);
NS_ENSURE_TRUE(ok, NS_ERROR_FAILURE);
if (!mCloneBuffer.write(cx, OBJECT_TO_JSVAL(obj))) {
return NS_ERROR_DOM_DATA_CLONE_ERR;
}
return NS_OK;
}
nsresult
GetHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_PRECONDITION(aConnection, "Passed a null connection!");
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetStatement(mObjectStore->IsAutoIncrement());
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!mKey.IsUnset(), "Must have a key here!");
NS_NAMED_LITERAL_CSTRING(id, "id");
if (mKey.IsInt()) {
rv = stmt->BindInt64ByName(id, mKey.IntValue());
}
else if (mKey.IsString()) {
rv = stmt->BindStringByName(id, mKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
// Search for it!
PRBool hasResult;
rv = stmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (hasResult) {
rv = IDBObjectStore::GetStructuredCloneDataFromStatement(stmt, 0,
mCloneBuffer);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
nsresult
GetHelper::GetSuccessResult(JSContext* aCx,
jsval* aVal)
{
nsresult rv = ConvertCloneBufferToJSVal(aCx, mCloneBuffer, aVal);
mCloneBuffer.clear(aCx);
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
nsresult
DeleteHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_PRECONDITION(aConnection, "Passed a null connection!");
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->DeleteStatement(mObjectStore->IsAutoIncrement());
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!mKey.IsUnset(), "Must have a key here!");
NS_NAMED_LITERAL_CSTRING(key_value, "key_value");
if (mKey.IsInt()) {
rv = stmt->BindInt64ByName(key_value, mKey.IntValue());
}
else if (mKey.IsString()) {
rv = stmt->BindStringByName(key_value, mKey.StringValue());
}
else {
NS_NOTREACHED("Unknown key type!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
DeleteHelper::GetSuccessResult(JSContext* aCx,
jsval* aVal)
{
NS_ASSERTION(!mKey.IsUnset(), "Badness!");
return IDBObjectStore::GetJSValFromKey(mKey, aCx, aVal);
}
nsresult
ClearHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_PRECONDITION(aConnection, "Passed a null connection!");
nsCString table;
if (mObjectStore->IsAutoIncrement()) {
table.AssignLiteral("ai_object_data");
}
else {
table.AssignLiteral("object_data");
}
nsCString query = NS_LITERAL_CSTRING("DELETE FROM ") + table +
NS_LITERAL_CSTRING(" WHERE object_store_id = :osid");
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mObjectStore->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
OpenCursorHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
nsCString table;
nsCString keyColumn;
if (mObjectStore->IsAutoIncrement()) {
table.AssignLiteral("ai_object_data");
keyColumn.AssignLiteral("id");
}
else {
table.AssignLiteral("object_data");
keyColumn.AssignLiteral("key_value");
}
NS_NAMED_LITERAL_CSTRING(id, "id");
NS_NAMED_LITERAL_CSTRING(lowerKeyName, "lower_key");
NS_NAMED_LITERAL_CSTRING(upperKeyName, "upper_key");
nsCAutoString keyRangeClause;
if (!mLowerKey.IsUnset()) {
AppendConditionClause(keyColumn, lowerKeyName, false, !mLowerOpen,
keyRangeClause);
}
if (!mUpperKey.IsUnset()) {
AppendConditionClause(keyColumn, upperKeyName, true, !mUpperOpen,
keyRangeClause);
}
nsCAutoString directionClause = NS_LITERAL_CSTRING(" ORDER BY ") + keyColumn;
switch (mDirection) {
case nsIIDBCursor::NEXT:
case nsIIDBCursor::NEXT_NO_DUPLICATE:
directionClause += NS_LITERAL_CSTRING(" ASC");
break;
case nsIIDBCursor::PREV:
case nsIIDBCursor::PREV_NO_DUPLICATE:
directionClause += NS_LITERAL_CSTRING(" DESC");
break;
default:
NS_NOTREACHED("Unknown direction type!");
}
nsCString firstQuery = NS_LITERAL_CSTRING("SELECT ") + keyColumn +
NS_LITERAL_CSTRING(", data FROM ") + table +
NS_LITERAL_CSTRING(" WHERE object_store_id = :") +
id + keyRangeClause + directionClause;
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(firstQuery);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(id, mObjectStore->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!mLowerKey.IsUnset()) {
if (mLowerKey.IsString()) {
rv = stmt->BindStringByName(lowerKeyName, mLowerKey.StringValue());
}
else if (mLowerKey.IsInt()) {
rv = stmt->BindInt64ByName(lowerKeyName, mLowerKey.IntValue());
}
else {
NS_NOTREACHED("Bad key!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
if (!mUpperKey.IsUnset()) {
if (mUpperKey.IsString()) {
rv = stmt->BindStringByName(upperKeyName, mUpperKey.StringValue());
}
else if (mUpperKey.IsInt()) {
rv = stmt->BindInt64ByName(upperKeyName, mUpperKey.IntValue());
}
else {
NS_NOTREACHED("Bad key!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
PRBool hasResult;
rv = stmt->ExecuteStep(&hasResult);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!hasResult) {
mKey = Key::UNSETKEY;
return NS_OK;
}
PRInt32 keyType;
rv = stmt->GetTypeOfIndex(0, &keyType);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (keyType == mozIStorageStatement::VALUE_TYPE_INTEGER) {
mKey = stmt->AsInt64(0);
}
else if (keyType == mozIStorageStatement::VALUE_TYPE_TEXT) {
rv = stmt->GetString(0, mKey.ToString());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
else {
NS_NOTREACHED("Bad SQLite type!");
}
rv = IDBObjectStore::GetStructuredCloneDataFromStatement(stmt, 1,
mCloneBuffer);
NS_ENSURE_SUCCESS(rv, rv);
// Now we need to make the query to get the next match.
keyRangeClause.Truncate();
nsCAutoString continueToKeyRangeClause;
NS_NAMED_LITERAL_CSTRING(currentKey, "current_key");
NS_NAMED_LITERAL_CSTRING(rangeKey, "range_key");
switch (mDirection) {
case nsIIDBCursor::NEXT:
case nsIIDBCursor::NEXT_NO_DUPLICATE:
AppendConditionClause(keyColumn, currentKey, false, false,
keyRangeClause);
AppendConditionClause(keyColumn, currentKey, false, true,
continueToKeyRangeClause);
if (!mUpperKey.IsUnset()) {
AppendConditionClause(keyColumn, rangeKey, true, !mUpperOpen,
keyRangeClause);
AppendConditionClause(keyColumn, rangeKey, true, !mUpperOpen,
continueToKeyRangeClause);
mRangeKey = mUpperKey;
}
break;
case nsIIDBCursor::PREV:
case nsIIDBCursor::PREV_NO_DUPLICATE:
AppendConditionClause(keyColumn, currentKey, true, false, keyRangeClause);
AppendConditionClause(keyColumn, currentKey, true, true,
continueToKeyRangeClause);
if (!mLowerKey.IsUnset()) {
AppendConditionClause(keyColumn, rangeKey, false, !mLowerOpen,
keyRangeClause);
AppendConditionClause(keyColumn, rangeKey, false, !mLowerOpen,
continueToKeyRangeClause);
mRangeKey = mLowerKey;
}
break;
default:
NS_NOTREACHED("Unknown direction type!");
}
mContinueQuery = NS_LITERAL_CSTRING("SELECT ") + keyColumn +
NS_LITERAL_CSTRING(", data FROM ") + table +
NS_LITERAL_CSTRING(" WHERE object_store_id = :") + id +
keyRangeClause + directionClause +
NS_LITERAL_CSTRING(" LIMIT 1");
mContinueToQuery = NS_LITERAL_CSTRING("SELECT ") + keyColumn +
NS_LITERAL_CSTRING(", data FROM ") + table +
NS_LITERAL_CSTRING(" WHERE object_store_id = :") + id +
continueToKeyRangeClause + directionClause +
NS_LITERAL_CSTRING(" LIMIT 1");
return NS_OK;
}
nsresult
OpenCursorHelper::GetSuccessResult(JSContext* aCx,
jsval* aVal)
{
if (mKey.IsUnset()) {
*aVal = JSVAL_VOID;
return NS_OK;
}
nsRefPtr<IDBCursor> cursor =
IDBCursor::Create(mRequest, mTransaction, mObjectStore, mDirection,
mRangeKey, mContinueQuery, mContinueToQuery, mKey,
mCloneBuffer);
NS_ENSURE_TRUE(cursor, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
NS_ASSERTION(!mCloneBuffer.data(), "Should have swapped!");
return WrapNative(aCx, cursor, aVal);
}
nsresult
CreateIndexHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
// Insert the data into the database.
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(
"INSERT INTO object_store_index (id, name, key_path, unique_index, "
"object_store_id, object_store_autoincrement) "
"VALUES (:id, :name, :key_path, :unique, :osid, :os_auto_increment)"
);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("id"),
mIndex->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mIndex->Name());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindStringByName(NS_LITERAL_CSTRING("key_path"),
mIndex->KeyPath());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("unique"),
mIndex->IsUnique() ? 1 : 0);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mIndex->ObjectStore()->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = stmt->BindInt32ByName(NS_LITERAL_CSTRING("os_auto_increment"),
mIndex->IsAutoIncrement() ? 1 : 0);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (NS_FAILED(stmt->Execute())) {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
#ifdef DEBUG
{
PRInt64 id;
aConnection->GetLastInsertRowID(&id);
NS_ASSERTION(mIndex->Id() == id, "Bad index id!");
}
#endif
// Now we need to populate the index with data from the object store.
rv = InsertDataFromObjectStore(aConnection);
if (NS_FAILED(rv)) {
return rv;
}
return NS_OK;
}
nsresult
CreateIndexHelper::InsertDataFromObjectStore(mozIStorageConnection* aConnection)
{
nsCAutoString table;
nsCAutoString columns;
if (mIndex->IsAutoIncrement()) {
table.AssignLiteral("ai_object_data");
columns.AssignLiteral("id, data");
}
else {
table.AssignLiteral("object_data");
columns.AssignLiteral("id, data, key_value");
}
nsCString query = NS_LITERAL_CSTRING("SELECT ") + columns +
NS_LITERAL_CSTRING(" FROM ") + table +
NS_LITERAL_CSTRING(" WHERE object_store_id = :osid");
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("osid"),
mIndex->ObjectStore()->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
PRBool hasResult;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResult)) && hasResult) {
nsCOMPtr<mozIStorageStatement> insertStmt =
mTransaction->IndexUpdateStatement(mIndex->IsAutoIncrement(),
mIndex->IsUnique(), false);
NS_ENSURE_TRUE(insertStmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper2(insertStmt);
rv = insertStmt->BindInt64ByName(NS_LITERAL_CSTRING("index_id"),
mIndex->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = insertStmt->BindInt64ByName(NS_LITERAL_CSTRING("object_data_id"),
stmt->AsInt64(0));
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!mIndex->IsAutoIncrement()) {
NS_NAMED_LITERAL_CSTRING(objectDataKey, "object_data_key");
PRInt32 keyType;
rv = stmt->GetTypeOfIndex(2, &keyType);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (keyType == mozIStorageStatement::VALUE_TYPE_INTEGER) {
rv = insertStmt->BindInt64ByName(objectDataKey, stmt->AsInt64(2));
}
else if (keyType == mozIStorageStatement::VALUE_TYPE_TEXT) {
nsString stringKey;
rv = stmt->GetString(2, stringKey);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = insertStmt->BindStringByName(objectDataKey, stringKey);
}
else {
NS_NOTREACHED("Bad SQLite type!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
const PRUint8* data;
PRUint32 dataLength;
rv = stmt->GetSharedBlob(1, &dataLength, &data);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
Key key;
JSContext* cx = nsnull;
rv = IDBObjectStore::GetKeyPathValueFromStructuredData(data, dataLength,
mIndex->KeyPath(),
&cx, key);
NS_ENSURE_SUCCESS(rv, rv);
if (key.IsUnset()) {
continue;
}
NS_NAMED_LITERAL_CSTRING(value, "value");
if (key.IsInt()) {
rv = insertStmt->BindInt64ByName(value, key.IntValue());
}
else if (key.IsString()) {
rv = insertStmt->BindStringByName(value, key.StringValue());
}
else {
return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR;
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
rv = insertStmt->Execute();
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
return NS_OK;
}
nsresult
DeleteIndexHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
NS_PRECONDITION(!NS_IsMainThread(), "Wrong thread!");
nsCOMPtr<mozIStorageStatement> stmt =
mTransaction->GetCachedStatement(
"DELETE FROM object_store_index "
"WHERE name = :name "
);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), mName);
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (NS_FAILED(stmt->Execute())) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
return NS_OK;
}
nsresult
GetAllHelper::DoDatabaseWork(mozIStorageConnection* aConnection)
{
nsCString table;
nsCString keyColumn;
if (mObjectStore->IsAutoIncrement()) {
table.AssignLiteral("ai_object_data");
keyColumn.AssignLiteral("id");
}
else {
table.AssignLiteral("object_data");
keyColumn.AssignLiteral("key_value");
}
NS_NAMED_LITERAL_CSTRING(osid, "osid");
NS_NAMED_LITERAL_CSTRING(lowerKeyName, "lower_key");
NS_NAMED_LITERAL_CSTRING(upperKeyName, "upper_key");
nsCAutoString keyRangeClause;
if (!mLowerKey.IsUnset()) {
keyRangeClause = NS_LITERAL_CSTRING(" AND ") + keyColumn;
if (mLowerOpen) {
keyRangeClause.AppendLiteral(" > :");
}
else {
keyRangeClause.AppendLiteral(" >= :");
}
keyRangeClause.Append(lowerKeyName);
}
if (!mUpperKey.IsUnset()) {
keyRangeClause += NS_LITERAL_CSTRING(" AND ") + keyColumn;
if (mUpperOpen) {
keyRangeClause.AppendLiteral(" < :");
}
else {
keyRangeClause.AppendLiteral(" <= :");
}
keyRangeClause.Append(upperKeyName);
}
nsCAutoString limitClause;
if (mLimit != PR_UINT32_MAX) {
limitClause.AssignLiteral(" LIMIT ");
limitClause.AppendInt(mLimit);
}
nsCString query = NS_LITERAL_CSTRING("SELECT data FROM ") + table +
NS_LITERAL_CSTRING(" WHERE object_store_id = :") + osid +
keyRangeClause + NS_LITERAL_CSTRING(" ORDER BY ") +
keyColumn + NS_LITERAL_CSTRING(" ASC") + limitClause;
if (!mCloneBuffers.SetCapacity(50)) {
NS_ERROR("Out of memory!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
nsCOMPtr<mozIStorageStatement> stmt = mTransaction->GetCachedStatement(query);
NS_ENSURE_TRUE(stmt, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
mozStorageStatementScoper scoper(stmt);
nsresult rv = stmt->BindInt64ByName(osid, mObjectStore->Id());
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
if (!mLowerKey.IsUnset()) {
if (mLowerKey.IsString()) {
rv = stmt->BindStringByName(lowerKeyName, mLowerKey.StringValue());
}
else if (mLowerKey.IsInt()) {
rv = stmt->BindInt64ByName(lowerKeyName, mLowerKey.IntValue());
}
else {
NS_NOTREACHED("Bad key!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
if (!mUpperKey.IsUnset()) {
if (mUpperKey.IsString()) {
rv = stmt->BindStringByName(upperKeyName, mUpperKey.StringValue());
}
else if (mUpperKey.IsInt()) {
rv = stmt->BindInt64ByName(upperKeyName, mUpperKey.IntValue());
}
else {
NS_NOTREACHED("Bad key!");
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
}
PRBool hasResult;
while (NS_SUCCEEDED((rv = stmt->ExecuteStep(&hasResult))) && hasResult) {
if (mCloneBuffers.Capacity() == mCloneBuffers.Length()) {
if (!mCloneBuffers.SetCapacity(mCloneBuffers.Capacity() * 2)) {
NS_ERROR("Out of memory!");
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
}
JSAutoStructuredCloneBuffer* buffer = mCloneBuffers.AppendElement();
NS_ASSERTION(buffer, "Shouldn't fail if SetCapacity succeeded!");
rv = IDBObjectStore::GetStructuredCloneDataFromStatement(stmt, 0, *buffer);
NS_ENSURE_SUCCESS(rv, rv);
}
NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR);
return NS_OK;
}
nsresult
GetAllHelper::GetSuccessResult(JSContext* aCx,
jsval* aVal)
{
NS_ASSERTION(mCloneBuffers.Length() <= mLimit, "Too many results!");
nsresult rv = ConvertCloneBuffersToArray(aCx, mCloneBuffers, aVal);
for (PRUint32 index = 0; index < mCloneBuffers.Length(); index++) {
mCloneBuffers[index].clear(aCx);
}
NS_ENSURE_SUCCESS(rv, rv);
return NS_OK;
}
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