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71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// Residual - Virtual machine to run LucasArts' 3D adventure games
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// Copyright (C) 2003-2005 The ScummVM-Residual Team (www.scummvm.org)
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2.1 of the License, or (at your option) any later version.
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//
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// This library 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 GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef LAB_H
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#define LAB_H
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#include <string>
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#include <cstring>
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#include <cstdio>
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#include <map>
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class Block {
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public:
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Block(const char *data, int len) : _data(data), _len(len) {}
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const char *data() const { return _data; }
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int len() const { return _len; }
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~Block() { delete[] _data; }
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private:
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Block();
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const char *_data;
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int _len;
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bool _owner;
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};
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class Lab {
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public:
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Lab() : _f(NULL) { }
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explicit Lab(const char *filename) : _f(NULL) { open(filename); }
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bool open(const char *filename);
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bool isOpen() const { return _f != NULL; }
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void close();
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bool fileExists(const char *filename) const;
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Block *getFileBlock(const char *filename) const;
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std::FILE *openNewStream(const char *filename) const;
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int fileLength(const char *filename) const;
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~Lab() { close(); }
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private:
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struct LabEntry {
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LabEntry(int the_offset, int the_len) :
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offset(the_offset), len(the_len) {}
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int offset, len;
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};
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std::FILE *_f;
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typedef std::map<std::string, LabEntry> FileMapType;
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FileMapType _fileMap;
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std::string _labFileName;
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FileMapType::const_iterator findFilename(const char *filename) const;
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};
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#endif
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