Exemplo n.º 1
0
IndexValueStore::Iterator IndexValueStore::reverseFind(const IDBKeyData& key, CursorDuplicity duplicity, bool open)
{
    IDBKeyRangeData range;
    if (!key.isNull())
        range.upperKey = key;
    else
        range.upperKey = IDBKeyData::maximum();
    range.upperOpen = open;

    auto iterator = highestReverseIteratorInRange(range);
    if (iterator == m_orderedKeys.rend())
        return { };

    auto record = m_records.get(*iterator);
    ASSERT(record);

    auto primaryIterator = record->reverseBegin(duplicity);
    ASSERT(primaryIterator.isValid());
    return { *this, duplicity, iterator, primaryIterator };
}
Exemplo n.º 2
0
IndexValueStore::Iterator IndexValueStore::find(const IDBKeyData& key, bool open)
{
    IDBKeyRangeData range;
    if (!key.isNull())
        range.lowerKey = key;
    else
        range.lowerKey = IDBKeyData::minimum();
    range.lowerOpen = open;

    auto iterator = lowestIteratorInRange(range);
    if (iterator == m_orderedKeys.end())
        return { };

    auto record = m_records.get(*iterator);
    ASSERT(record);

    auto primaryIterator = record->begin();
    ASSERT(primaryIterator.isValid());
    return { *this, iterator, primaryIterator };
}
Exemplo n.º 3
0
IDBGetResult MemoryIndex::getResultForKeyRange(IndexedDB::IndexRecordType type, const IDBKeyRangeData& range) const
{
    LOG(IndexedDB, "MemoryIndex::getResultForKeyRange");

    if (!m_records)
        return { };

    IDBKeyData keyToLookFor;
    if (range.isExactlyOneKey())
        keyToLookFor = range.lowerKey;
    else
        keyToLookFor = m_records->lowestKeyWithRecordInRange(range);

    if (keyToLookFor.isNull())
        return { };

    const IDBKeyData* keyValue = m_records->lowestValueForKey(keyToLookFor);

    if (!keyValue)
        return { };

    return type == IndexedDB::IndexRecordType::Key ? IDBGetResult(*keyValue) : IDBGetResult(m_objectStore.valueForKeyRange(*keyValue));
}
JSValue idbKeyDataToJSValue(JSC::ExecState& exec, const IDBKeyData& keyData)
{
    if (keyData.isNull())
        return jsUndefined();

    Locker<JSLock> locker(exec.vm().apiLock());

    switch (keyData.type()) {
    case KeyType::Array:
        {
            const Vector<IDBKeyData>& inArray = keyData.array();
            size_t size = inArray.size();
            JSArray* outArray = constructEmptyArray(&exec, 0, exec.lexicalGlobalObject(), size);
            for (size_t i = 0; i < size; ++i) {
                auto& arrayKey = inArray.at(i);
                outArray->putDirectIndex(&exec, i, idbKeyDataToJSValue(exec, arrayKey));
            }
            return JSValue(outArray);
        }
    case KeyType::String:
        return jsStringWithCache(&exec, keyData.string());
    case KeyType::Date:
        return jsDateOrNull(&exec, keyData.date());
    case KeyType::Number:
        return jsNumber(keyData.number());
    case KeyType::Min:
    case KeyType::Max:
    case KeyType::Invalid:
        ASSERT_NOT_REACHED();
        return jsUndefined();
    }

    ASSERT_NOT_REACHED();
    return jsUndefined();

}