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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef CC_H
#define CC_H
#include "file.h"
#include "str.h"
#include "common/array.h"
/**
* Details of a single entry in a CC file index
*/
struct CCEntry {
uint16 _id;
int _offset;
uint16 _size;
byte _data[MAX_MEM_SIZE];
CCEntry() : _id(0), _offset(0), _size(0) {
memset(_data, 0, MAX_MEM_SIZE);
}
CCEntry(uint16 id, const byte *data, uint32 size) :
_id(id), _offset(0), _size(size) {
memcpy(_data, data, size);
}
};
enum CCAccess { kRead = 0, kWrite = 1 };
class CCArchive {
private:
Common::Array<CCEntry> _index;
Common::File &_file;
CCAccess _mode;
private:
/**
* Convert a resource name to it's equivalent hash key
*/
uint16 convertNameToId(const Common::String &resourceName);
/**
* Loads an index from the file
*/
void loadIndex();
/**
* Saves the index to the file
*/
void saveIndex();
/**
* Saves the individual entries to the file
*/
void saveEntries();
public:
/**
* Constructor
*/
CCArchive(Common::File &file, CCAccess mode) : _file(file), _mode(mode) {
if (mode == kRead)
loadIndex();
}
~CCArchive() {
_file.close();
}
/**
* In write mode, finishes the CC file, writing out the resulting content
*/
void close();
/**
* Adds an entry to the CC
*/
void add(const Common::String &name, Common::MemFile &f);
/**
* In read mode, gets a member
*/
Common::MemFile getMember(const Common::String &name);
};
#endif
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