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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-03 02:15:56 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2010-02-03 02:15:56 +0000 |
commit | 50b48aec6ddd451a6d1709c0942477b503457663 (patch) | |
tree | a9ece53ec06fd0a2819de7a2a6de997193566626 /src/projects/kostore/koStoreDevice.h | |
download | k3b-50b48aec6ddd451a6d1709c0942477b503457663.tar.gz k3b-50b48aec6ddd451a6d1709c0942477b503457663.zip |
Added abandoned KDE3 version of K3B
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'src/projects/kostore/koStoreDevice.h')
-rw-r--r-- | src/projects/kostore/koStoreDevice.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/projects/kostore/koStoreDevice.h b/src/projects/kostore/koStoreDevice.h new file mode 100644 index 0000000..b245d60 --- /dev/null +++ b/src/projects/kostore/koStoreDevice.h @@ -0,0 +1,88 @@ +/* This file is part of the KDE project + Copyright (C) 2000 David Faure <faure@kde.org> + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public License + along with this library; see the file COPYING.LIB. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. +*/ + +#ifndef koStoreDevice_h +#define koStoreDevice_h + +#include "koStore.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 KoStoreDevice : public QIODevice +{ +public: + /// Note: KoStore::open() should be called before calling this. + KoStoreDevice( KoStore * store ) : m_store(store) { + setType( IO_Direct ); + } + ~KoStoreDevice() {} + + bool open( int m ) { + if ( m & IO_ReadOnly ) + return ( m_store->mode() == KoStore::Read ); + if ( m & IO_WriteOnly ) + return ( m_store->mode() == KoStore::Write ); + return false; + } + void close() { } + void flush() { } + + Offset size() const { + if ( m_store->mode() == KoStore::Read ) + return m_store->size(); + else + return 0xffffffff; + } + + virtual Q_LONG readBlock( char *data, Q_ULONG maxlen ) { return m_store->read(data, maxlen); } + virtual Q_LONG writeBlock( const char *data, Q_ULONG len ) { return m_store->write( data, len ); } + // Not virtual, only to uncover shadow + Q_LONG writeBlock( const QByteArray& data ) { return QIODevice::writeBlock( data ); } + + int getch() { + char c[2]; + if ( m_store->read(c, 1) == -1) + return -1; + else + return c[0]; + } + int putch( int _c ) { + char c[2]; + c[0] = _c; + c[1] = 0; + if (m_store->write( c, 1 ) == 1) + return _c; + else + return -1; + } + int ungetch( int ) { return -1; } // unsupported + + // See QIODevice + virtual bool at( Offset pos ) { return m_store->at(pos); } + virtual Offset at() const { return m_store->at(); } + virtual bool atEnd() const { return m_store->atEnd(); } + +protected: + KoStore * m_store; +}; + +#endif |