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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "IDBDatabaseInfo.h"
#include <wtf/TZoneMallocInlines.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED_IMPL(IDBDatabaseInfo);
IDBDatabaseInfo::IDBDatabaseInfo(const String& name, uint64_t version, uint64_t maxIndexID, HashMap<IDBObjectStoreIdentifier, IDBObjectStoreInfo>&& objectStoreMap)
: m_name(name)
, m_version(version)
, m_maxIndexID(maxIndexID)
, m_objectStoreMap(WTFMove(objectStoreMap))
{
}
IDBDatabaseInfo::IDBDatabaseInfo(const IDBDatabaseInfo& other, IsolatedCopyTag)
: m_name(other.m_name.isolatedCopy())
, m_version(other.m_version)
, m_maxIndexID(other.m_maxIndexID)
{
for (const auto& entry : other.m_objectStoreMap)
m_objectStoreMap.set(entry.key, entry.value.isolatedCopy());
}
IDBDatabaseInfo IDBDatabaseInfo::isolatedCopy() const
{
return { *this, IDBDatabaseInfo::IsolatedCopy };
}
bool IDBDatabaseInfo::hasObjectStore(const String& name) const
{
for (auto& objectStore : m_objectStoreMap.values()) {
if (objectStore.name() == name)
return true;
}
return false;
}
IDBObjectStoreInfo IDBDatabaseInfo::createNewObjectStore(const String& name, std::optional<IDBKeyPath>&& keyPath, bool autoIncrement)
{
// ObjectIdentifier generation begins anew from 1 each time the program is restarted. But the IDBObjectStores
// held in m_objectStoreMap and their identifiers are perisisted to disk. So we must ensure that newly created
// identifiers do not conflict with identifiers for pre-existing IDBObjectStores loaded from disk.
auto objectStoreIdentifier = IDBObjectStoreIdentifier::generate();
while (m_objectStoreMap.contains(objectStoreIdentifier))
objectStoreIdentifier = IDBObjectStoreIdentifier::generate();
IDBObjectStoreInfo info(objectStoreIdentifier, name, WTFMove(keyPath), autoIncrement);
m_objectStoreMap.set(info.identifier(), info);
return info;
}
void IDBDatabaseInfo::addExistingObjectStore(const IDBObjectStoreInfo& info)
{
ASSERT(!m_objectStoreMap.contains(info.identifier()));
m_objectStoreMap.set(info.identifier(), info);
}
IDBObjectStoreInfo* IDBDatabaseInfo::getInfoForExistingObjectStore(IDBObjectStoreIdentifier objectStoreIdentifier)
{
auto iterator = m_objectStoreMap.find(objectStoreIdentifier);
if (iterator == m_objectStoreMap.end())
return nullptr;
return &iterator->value;
}
IDBObjectStoreInfo* IDBDatabaseInfo::getInfoForExistingObjectStore(const String& name)
{
for (auto& objectStore : m_objectStoreMap.values()) {
if (objectStore.name() == name)
return &objectStore;
}
return nullptr;
}
const IDBObjectStoreInfo* IDBDatabaseInfo::infoForExistingObjectStore(IDBObjectStoreIdentifier objectStoreIdentifier) const
{
return const_cast<IDBDatabaseInfo*>(this)->getInfoForExistingObjectStore(objectStoreIdentifier);
}
IDBObjectStoreInfo* IDBDatabaseInfo::infoForExistingObjectStore(IDBObjectStoreIdentifier objectStoreIdentifier)
{
return getInfoForExistingObjectStore(objectStoreIdentifier);
}
const IDBObjectStoreInfo* IDBDatabaseInfo::infoForExistingObjectStore(const String& name) const
{
return const_cast<IDBDatabaseInfo*>(this)->getInfoForExistingObjectStore(name);
}
IDBObjectStoreInfo* IDBDatabaseInfo::infoForExistingObjectStore(const String& name)
{
return getInfoForExistingObjectStore(name);
}
void IDBDatabaseInfo::renameObjectStore(IDBObjectStoreIdentifier objectStoreIdentifier, const String& newName)
{
auto* info = infoForExistingObjectStore(objectStoreIdentifier);
if (!info)
return;
info->rename(newName);
}
Vector<String> IDBDatabaseInfo::objectStoreNames() const
{
return WTF::map(m_objectStoreMap, [](auto& pair) {
return pair.value.name();
});
}
void IDBDatabaseInfo::deleteObjectStore(const String& objectStoreName)
{
auto* info = infoForExistingObjectStore(objectStoreName);
if (!info)
return;
m_objectStoreMap.remove(info->identifier());
}
void IDBDatabaseInfo::deleteObjectStore(IDBObjectStoreIdentifier objectStoreIdentifier)
{
m_objectStoreMap.remove(objectStoreIdentifier);
}
#if !LOG_DISABLED
String IDBDatabaseInfo::loggingString() const
{
StringBuilder builder;
builder.append("Database:"_s, m_name, " version "_s, m_version, '\n');
for (auto& objectStore : m_objectStoreMap.values())
builder.append(objectStore.loggingString(1), '\n');
return builder.toString();
}
#endif
void IDBDatabaseInfo::setMaxIndexID(uint64_t maxIndexID)
{
ASSERT(maxIndexID > m_maxIndexID || (!maxIndexID && !m_maxIndexID));
m_maxIndexID = maxIndexID;
}
} // namespace WebCore
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