File indexing completed on 2024-04-21 03:51:39

 /*
     SPDX-FileCopyrightText: 2015 Vishesh Handa <vhanda@kde.org>
 
     SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
 #include "documentdatadb.h"
 #include "enginedebug.h"
 
 using namespace Baloo;
 
 DocumentDataDB::DocumentDataDB(MDB_dbi dbi, MDB_txn* txn)
     : m_txn(txn)
     , m_dbi(dbi)
 {
     Q_ASSERT(txn != nullptr);
     Q_ASSERT(dbi != 0);
 }
 
 DocumentDataDB::~DocumentDataDB()
 {
 }
 
 MDB_dbi DocumentDataDB::create(MDB_txn* txn)
 {
     MDB_dbi dbi = 0;
     int rc = mdb_dbi_open(txn, "documentdatadb", MDB_CREATE | MDB_INTEGERKEY, &dbi);
     if (rc) {
         qCWarning(ENGINE) << "DocumentDataDB::create" << mdb_strerror(rc);
         return 0;
     }
 
     return dbi;
 }
 
 MDB_dbi DocumentDataDB::open(MDB_txn* txn)
 {
     MDB_dbi dbi = 0;
     int rc = mdb_dbi_open(txn, "documentdatadb", MDB_INTEGERKEY, &dbi);
     if (rc) {
         qCWarning(ENGINE) << "DocumentDataDB::open" << mdb_strerror(rc);
         return 0;
     }
 
     return dbi;
 }
 
 void DocumentDataDB::put(quint64 docId, const QByteArray& url)
 {
     Q_ASSERT(docId > 0);
     Q_ASSERT(!url.isEmpty());
 
     MDB_val key;
     key.mv_size = sizeof(quint64);
     key.mv_data = static_cast<void*>(&docId);
 
     MDB_val val;
     val.mv_size = url.size();
     val.mv_data = static_cast<void*>(const_cast<char*>(url.constData()));
 
     int rc = mdb_put(m_txn, m_dbi, &key, &val, 0);
     if (rc) {
         qCWarning(ENGINE) << "DocumentDataDB::put" << mdb_strerror(rc);
     }
 }
 
 QByteArray DocumentDataDB::get(quint64 docId)
 {
     Q_ASSERT(docId > 0);
 
     MDB_val key;
     key.mv_size = sizeof(quint64);
     key.mv_data = static_cast<void*>(&docId);
 
     MDB_val val{0, nullptr};
     int rc = mdb_get(m_txn, m_dbi, &key, &val);
     if (rc) {
         if (rc != MDB_NOTFOUND) {
             qCDebug(ENGINE) << "DocumentDataDB::get" << docId << mdb_strerror(rc);
         }
         return QByteArray();
     }
 
     return QByteArray(static_cast<char*>(val.mv_data), val.mv_size);
 }
 
 void DocumentDataDB::del(quint64 docId)
 {
     Q_ASSERT(docId > 0);
 
     MDB_val key;
     key.mv_size = sizeof(quint64);
     key.mv_data = static_cast<void*>(&docId);
 
     int rc = mdb_del(m_txn, m_dbi, &key, nullptr);
     if (rc != 0 && rc != MDB_NOTFOUND) {
         qCDebug(ENGINE) << "DocumentDataDB::del" << docId << mdb_strerror(rc);
     }
 }
 
 bool DocumentDataDB::contains(quint64 docId)
 {
     Q_ASSERT(docId > 0);
 
     MDB_val key;
     key.mv_size = sizeof(quint64);
     key.mv_data = static_cast<void*>(&docId);
 
     MDB_val val{0, nullptr};
     int rc = mdb_get(m_txn, m_dbi, &key, &val);
     if (rc) {
         if (rc != MDB_NOTFOUND) {
             qCDebug(ENGINE) << "DocumentDataDB::contains" << docId << mdb_strerror(rc);
         }
         return false;
     }
 
     return true;
 }
 
 QMap<quint64, QByteArray> DocumentDataDB::toTestMap() const
 {
     MDB_cursor* cursor;
     mdb_cursor_open(m_txn, m_dbi, &cursor);
 
     MDB_val key = {0, nullptr};
     MDB_val val;
 
     QMap<quint64, QByteArray> map;
     while (1) {
         int rc = mdb_cursor_get(cursor, &key, &val, MDB_NEXT);
         if (rc) {
             qCDebug(ENGINE) << "DocumentDataDB::toTestMap" << mdb_strerror(rc);
             break;
         }
 
         const quint64 id = *(static_cast<quint64*>(key.mv_data));
         const QByteArray ba(static_cast<char*>(val.mv_data), val.mv_size);
         map.insert(id, ba);
     }
 
     mdb_cursor_close(cursor);
     return map;
 }