C++ (Cpp) extractExistingMetadata 예제들

예제 #1

std::unique_ptr<IDBDatabaseMetadata> UniqueIDBDatabaseBackingStoreSQLite::getOrEstablishMetadata()
{
    ASSERT(!isMainThread());

    String dbFilename = pathByAppendingComponent(m_absoluteDatabaseDirectory, "IndexedDB.sqlite3");
    m_sqliteDB = openSQLiteDatabaseAtPath(dbFilename);
    if (!m_sqliteDB)
        return nullptr;

    RefPtr<UniqueIDBDatabaseBackingStoreSQLite> protector(this);
    m_sqliteDB->setCollationFunction("IDBKEY", [this](int aLength, const void* a, int bLength, const void* b) {
        return collate(aLength, a, bLength, b);
    });

    std::unique_ptr<IDBDatabaseMetadata> metadata = extractExistingMetadata();
    if (!metadata)
        metadata = createAndPopulateInitialMetadata();

    if (!metadata)
        LOG_ERROR("Unable to establish IDB database at path '%s'", dbFilename.utf8().data());

    // The database id is a runtime concept and doesn't need to be stored in the metadata database.
    metadata->id = generateDatabaseId();

    return metadata;
}

예제 #2

파일: UniqueIDBDatabaseBackingStoreSQLite.cpp 프로젝트: Happy-Ferret/webkit.js

std::unique_ptr<IDBDatabaseMetadata> UniqueIDBDatabaseBackingStoreSQLite::getOrEstablishMetadata()
{
    ASSERT(!isMainThread());

    String dbFilename = pathByAppendingComponent(m_absoluteDatabaseDirectory, "IndexedDB.sqlite3");
    m_sqliteDB = openSQLiteDatabaseAtPath(dbFilename);
    if (!m_sqliteDB)
        return nullptr;

    std::unique_ptr<IDBDatabaseMetadata> metadata = extractExistingMetadata();
    if (!metadata)
        metadata = createAndPopulateInitialMetadata();

    if (!metadata)
        LOG_ERROR("Unable to establish IDB database at path '%s'", dbFilename.utf8().data());

    // The database id is a runtime concept and doesn't need to be stored in the metadata database.
    metadata->id = generateDatabaseId();

    return metadata;
}