95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef ULTIMA8_FILESYS_ARCHIVE_H
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#define ULTIMA8_FILESYS_ARCHIVE_H
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#include "common/scummsys.h"
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#include "ultima/shared/std/containers.h"
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namespace Common {
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class SeekableReadStream;
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}
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namespace Ultima {
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namespace Ultima8 {
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class FlexFile;
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class Archive {
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public:
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//! create Archive without any input sources
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Archive();
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//! create Archive with a single input source, autodetecting the type
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//! Will create FlexFile; ids will be deleted.
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explicit Archive(Common::SeekableReadStream *rs);
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virtual ~Archive();
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//! add input source.
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//! FlexFile will be deleted on destruction
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//! Input sources are used in the reversed order they are added.
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//! Effect of adding sources after having accessed objects is undef.
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bool addSource(FlexFile *af);
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//! add input source, autodetecting the type (as the constructor)
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bool addSource(Common::SeekableReadStream *rs);
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//! Cache all objects
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void cache();
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//! Cache a single object
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virtual void cache(uint32 index) = 0;
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//! Uncache all objects
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//! Potentially dangerous: all stored objects will be deleted; make sure
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//! they are no longer in use.
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void uncache();
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//! Uncache a single object
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//! Potentially dangerous. See uncache()
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virtual void uncache(uint32 index) = 0;
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//! Check if an object is cached
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virtual bool isCached(uint32 index) const = 0;
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uint32 getCount() const {
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return _count;
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}
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protected:
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uint32 _count;
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uint8 *getRawObject(uint32 index, uint32 *sizep = 0);
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uint32 getRawSize(uint32 index) const;
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private:
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Std::vector<FlexFile *> _sources;
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FlexFile *findArchiveFile(uint32 index) const;
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};
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} // End of namespace Ultima8
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} // End of namespace Ultima
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#endif
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