IDBDatabaseException.cpp [plain text]
#include "config.h"
#if ENABLE(INDEXED_DATABASE)
#include "IDBDatabaseException.h"
namespace WebCore {
static const struct IDBDatabaseExceptionNameDescription {
const char* const name;
const char* const description;
const ExceptionCode code;
} idbDatabaseExceptions[] = {
{ "UnknownError", "An unknown error occurred within Indexed Database.", 0 },
{ "ConstraintError", "A mutation operation in the transaction failed because a constraint was not satisfied.", 0 },
{ "DataError", "The data provided does not meet requirements.", 0 },
{ "TransactionInactiveError", "A request was placed against a transaction which is either currently not active, or which is finished.", 0 },
{ "ReadOnlyError", "A write operation was attempted in a read-only transaction.", 0 },
{ "VersionError", "An attempt was made to open a database using a lower version than the existing version.", 0 },
{ "NotFoundError", "An operation failed because the requested database object could not be found.", NOT_FOUND_ERR },
{ "InvalidStateError", "An operation was called on an object on which it is not allowed or at a time when it is not allowed.", INVALID_STATE_ERR },
{ "InvalidAccessError", "An invalid operation was performed on an object.", INVALID_ACCESS_ERR },
{ "AbortError", "The transaction was aborted, so the request cannot be fulfilled.", ABORT_ERR },
{ "TimeoutError", "A lock for the transaction could not be obtained in a reasonable time.", TIMEOUT_ERR }, { "QuotaExceededError", "The operation failed because there was not enough remaining storage space, or the storage quota was reached and the user declined to give more space to the database.", QUOTA_EXCEEDED_ERR },
{ "SyntaxError", "The keypath argument contains an invalid key path.", SYNTAX_ERR },
{ "DataCloneError", "The data being stored could not be cloned by the internal structured cloning algorithm.", DATA_CLONE_ERR },
};
static const IDBDatabaseExceptionNameDescription* getErrorEntry(ExceptionCode ec)
{
if (ec < IDBDatabaseException::IDBDatabaseExceptionOffset || ec > IDBDatabaseException::IDBDatabaseExceptionMax)
return 0;
size_t tableSize = WTF_ARRAY_LENGTH(idbDatabaseExceptions);
size_t tableIndex = ec - IDBDatabaseException::UnknownError;
return tableIndex < tableSize ? &idbDatabaseExceptions[tableIndex] : 0;
}
bool IDBDatabaseException::initializeDescription(ExceptionCode ec, ExceptionCodeDescription* description)
{
const IDBDatabaseExceptionNameDescription* entry = getErrorEntry(ec);
if (!entry)
return false;
description->typeName = "DOM IDBDatabase";
description->code = entry->code;
description->type = DOMCoreExceptionType;
description->name = entry ? entry->name : 0;
description->description = entry ? entry->description : 0;
return true;
}
String IDBDatabaseException::getErrorName(ExceptionCode ec)
{
const IDBDatabaseExceptionNameDescription* entry = getErrorEntry(ec);
ASSERT(entry);
if (!entry)
return "UnknownError";
return entry->name;
}
String IDBDatabaseException::getErrorDescription(ExceptionCode ec)
{
const IDBDatabaseExceptionNameDescription* entry = getErrorEntry(ec);
ASSERT(entry);
if (!entry)
return "Unknown error.";
return entry->description;
}
ExceptionCode IDBDatabaseException::getLegacyErrorCode(ExceptionCode ec)
{
const IDBDatabaseExceptionNameDescription* entry = getErrorEntry(ec);
ASSERT(entry);
return (entry && entry->code) ? entry->code : ec - IDBDatabaseExceptionOffset;
}
}
#endif // ENABLE(INDEXED_DATABASE)