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annotate engine/core/vfs/vfssourceprovider.h @ 378:64738befdf3b

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bringing in the changes from the build_system_rework branch in preparation for the 0.3.0 release. This commit will require the Jan2010 devkit. Clients will also need to be modified to the new way to import fife.
author vtchill@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 11 Jan 2010 23:34:52 +0000
parents 90005975cdbb
children
rev   line source
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1 /***************************************************************************
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2 * Copyright (C) 2005-2008 by the FIFE team *
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3 * http://www.fifengine.de *
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4 * This file is part of FIFE. *
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5 * *
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6 * FIFE is free software; you can redistribute it and/or *
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7 * modify it under the terms of the GNU Lesser General Public *
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8 * License as published by the Free Software Foundation; either *
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9 * version 2.1 of the License, or (at your option) any later version. *
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10 * *
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11 * This library is distributed in the hope that it will be useful, *
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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14 * Lesser General Public License for more details. *
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15 * *
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16 * You should have received a copy of the GNU Lesser General Public *
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17 * License along with this library; if not, write to the *
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18 * Free Software Foundation, Inc., *
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19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
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20 ***************************************************************************/
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21
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22 #ifndef FIFE_VFS_VFSSOURCEPROVIDER_H
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23 #define FIFE_VFS_VFSSOURCEPROVIDER_H
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24
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25 // Standard C++ library includes
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26 #include <string>
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27
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28 // 3rd party library includes
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29
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30 // FIFE includes
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31 // These includes are split up in two parts, separated by one empty line
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32 // First block: files included from the FIFE root src directory
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33 // Second block: files included from the same folder
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34 #include "util/base/exception.h"
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35
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36 namespace FIFE {
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37
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38 class VFSSource;
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39
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40 /** VFSSourceProvider abstract baseclass
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41 *
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42 * If you add support for a new archive-type (like the fallout1&dat files) you should
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43 * also create a new VFSSourceProvider for your VFSSource - once this is done
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44 * its very easy to load new archives even without knowing their real type.
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45 * @see VFS
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46 * @see VFSSource
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47 * @see VFSSourceFactory
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48 */
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49 class VFSSourceProvider{
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50 public:
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51 VFSSourceProvider(const std::string& name);
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52 virtual ~VFSSourceProvider();
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53
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54 /** Returns the name of this VFSSourceProvider
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55 *
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56 * @return name
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57 */
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58 const std::string& getName() const;
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59
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60 /** Get the VFS this provider is using. Providers will not be able to locate
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61 * sources before a VFS is set. VFS::addProvider sets this automatically.
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62 */
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63 void setVFS(VFS* vfs);
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64
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65 VFS* getVFS() const {
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66 if(!m_vfs) throw NotSet("Attempt to load from VFSSourceProvider without setting a VFS!");
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67 return m_vfs;
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68 }
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69
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70 /** Check if a given file is readable for this VFSSource
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71 *
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72 *
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73 * @param file the filename to check
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74 * @return true if readable, false otherwise
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75 */
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76 virtual bool isReadable(const std::string& file) const = 0;
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77
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78 /** Create a new instance of a VFSSource initialized with the given file
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79 *
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80 * @param file the filename to open (the archive-file)
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81 * @return the new VFSSource
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82 */
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83 virtual VFSSource* createSource(const std::string& file) const = 0;
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84
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85 private:
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86
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87 VFS* m_vfs;
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88 std::string m_name;
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89 };
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90 }
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91
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92 #endif