File indexing completed on 2024-05-12 15:59:59

 /* This file is part of the KDE project
    SPDX-FileCopyrightText: 2000 David Faure <faure@kde.org>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef koStoreDevice_h
 #define koStoreDevice_h
 
 #include "KoStore.h"
 #include <kritastore_export.h>
 
 
 /**
  * This class implements a QIODevice around KoStore, so that
  * it can be used to create a QDomDocument from it, to be written or read
  * using QDataStream or to be written using QTextStream
  */
 class KRITASTORE_EXPORT KoStoreDevice : public QIODevice
 {
     Q_OBJECT
 public:
     /// Note: KoStore::open() should be called before calling this.
     explicit KoStoreDevice(KoStore * store) : m_store(store) {
         // calligra-1.x behavior compat: a KoStoreDevice is automatically open
         setOpenMode(m_store->mode() == KoStore::Read ? QIODevice::ReadOnly : QIODevice::WriteOnly);
     }
     ~KoStoreDevice() override;
 
     bool isSequential() const override {
         return true;
     }
 
     bool open(OpenMode m) override {
         setOpenMode(m);
         if (m & QIODevice::ReadOnly)
             return (m_store->mode() == KoStore::Read);
         if (m & QIODevice::WriteOnly)
             return (m_store->mode() == KoStore::Write);
         return false;
     }
     void close() override {}
 
     qint64 size() const override {
         if (m_store->mode() == KoStore::Read)
             return m_store->size();
         else
             return 0xffffffff;
     }
 
     // See QIODevice
     qint64 pos() const override {
         return m_store->pos();
     }
     bool seek(qint64 pos) override {
         return m_store->seek(pos);
     }
     bool atEnd() const override {
         return m_store->atEnd();
     }
 
 protected:
     KoStore *m_store;
 
     qint64 readData(char *data, qint64 maxlen) override {
         return m_store->read(data, maxlen);
     }
 
     qint64 writeData(const char *data, qint64 len) override {
         return m_store->write(data, len);
     }
 
 };
 
 #endif