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annotate engine/core/vfs/vfs.h @ 46:90005975cdbb

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* Final LGPL switch step by adjusting the file headers * Remaining issues (just slightly related to the unittest switch): * No working unittest solution for msvc2005 yet * Unittests not working with mingw + scons either though this seems hard to impossible to fix without an expert in this field * sample_unit_test.cpp would need to get modified for unittest++; it still contains the old boost unittest code
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 13 Jul 2008 11:05:12 +0000
parents 4a0efb7baf70
children f9aca52c7c45
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_VFS_H
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23 #define FIFE_VFS_VFS_H
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24
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25 // Standard C++ library includes
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26 #include <set>
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27 #include <string>
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28 #include <vector>
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29
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30 // 3rd party library includes
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31 #include <boost/shared_ptr.hpp>
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32
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33 // FIFE includes
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34 // These includes are split up in two parts, separated by one empty line
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35 // First block: files included from the FIFE root src directory
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36 // Second block: files included from the same folder
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37
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38 namespace FIFE {
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39
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40 class RawData;
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41
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42 class VFSSourceProvider;
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43 class VFSSource;
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44
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45 /** the main VFS (virtual file system) class
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46 *
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47 * The VFS is intended to provide transparent and portable access to files.
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48 * @note The VFS searches for a provider in the order they are added to the
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49 * VFS. Since the VFSHostSystem is added first, this implies, that host filesystem
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50 * files will override whatever might be in other VFS Sources (e.g. the DAT files)
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51 */
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52 class VFS {
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53 public:
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54 /** Constructor
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55 * Called by the Engine on startup. Never create one yourself.
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56 */
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57 VFS();
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58
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59 /** Destructor
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60 */
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61 virtual ~VFS();
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62
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63 void cleanup();
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64
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65 /** add new VFSSourceProvider
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66 *
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67 * @NOTE VFS assumes ownership over the given provider - so don't do anything with it
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68 * after you call this function, especialy don't delete it!
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69 * @param provider the new provider
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70 */
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71 void addProvider(VFSSourceProvider* provider);
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72
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73 /** tries to create a new VFSSource for the given file
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74 *
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75 * all currently known VFSSourceProviders are tried until one succeeds - if no provider succeeds 0 is returned
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76 * @param file the archive-file
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77 * @return the new VFSSource or 0 if no provider was succesfull or the file was already used as source
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78 */
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79 VFSSource* createSource(const std::string& path) const;
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80
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81 /** create a new Source and add it to VFS
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82 * @see VFSSource* createSource(const std::string& file) const
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83 */
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84 void addNewSource(const std::string& path);
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85
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86
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87 /** Add a new VFSSource */
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88 void addSource(VFSSource* source);
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89
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90 /** remove a VFSSource */
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91 void removeSource(VFSSource* source);
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92
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93 /** Check if the given file exists
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94 *
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95 * @param file the filename
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96 * @return true if it exists, false if not
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97 */
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98 bool exists(const std::string& file) const;
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99
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100 /** Check if the given path is a directory
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101 *
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102 * @param path to check
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103 * @return true if it is a directory, false if not
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104 */
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105 bool isDirectory(const std::string& path) const;
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106
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107 /** Open a file
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108 *
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109 * @param path the file to open
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110 * @return the opened file; delete this when done.
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111 * @throws NotFound if the file cannot be found
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112 */
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113 RawData* open(const std::string& path);
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114
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115 /** Get a filelist of the given directory
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116 *
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117 * @param path the directory
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118 * @return the filelist
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119 */
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120 std::set<std::string> listFiles(const std::string& path) const;
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121
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122 /** List the files of a given directory matching a regex
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123 *
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124 * The whole string has to match the regex, this means if you want all files that end with .map don't search for
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125 * "\.map" but ".*\.map" (and escape the \)
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126 *
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127 * @param path the directory
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128 * @param filterregex the regex the files have to match
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129 * @return the filelist
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130 */
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131 std::set<std::string> listFiles(const std::string& path, const std::string& filterregex) const;
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132
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133 /** Get a directorylist of the given directory
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134 *
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135 * @param path the directory
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136 * @return the directorylist
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137 */
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138 std::set<std::string> listDirectories(const std::string& path) const;
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139
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140 /** List the subdirectorys of a given directory matching a regex
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141 *
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142 * @param path the directory
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143 * @param filterregex the regex the files have to match
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144 * @return the filelist
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145 */
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146 std::set<std::string> listDirectories(const std::string& path, const std::string& filterregex) const;
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147
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148 private:
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149 typedef std::vector<VFSSourceProvider*> type_providers;
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150 type_providers m_providers;
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151
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152 typedef std::vector<VFSSource*> type_sources;
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153 type_sources m_sources;
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154
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155 typedef std::set<std::string> type_usedfiles;
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156 mutable type_usedfiles m_usedfiles;
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157
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158 std::set<std::string> filterList(const std::set<std::string>& list, const std::string& fregex) const;
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159 std::string lower(const std::string&) const;
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160 VFSSource* getSourceForFile(const std::string& file) const;
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161 };
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162
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163 }
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164
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165 #endif