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annotate engine/core/vfs/vfs.h @ 337:f9aca52c7c45

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VFS: * Emit warning for upper case filenames. Fixes #122.
author phoku@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 24 Aug 2009 16:06:30 +0000
parents 90005975cdbb
children a3a044c586ab
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)
337
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51 *
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52 * @note All filenames have to be @b lowercase. The VFS will convert them to lowercase
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53 * and emit a warning. This is done to avoid problems with filesystems which are not
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54 * case sensitive.
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55 */
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56 class VFS {
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57 public:
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58 /** Constructor
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59 * Called by the Engine on startup. Never create one yourself.
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60 */
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61 VFS();
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62
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63 /** Destructor
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64 */
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65 virtual ~VFS();
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66
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67 void cleanup();
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68
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69 /** add new VFSSourceProvider
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70 *
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71 * @NOTE VFS assumes ownership over the given provider - so don't do anything with it
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72 * after you call this function, especialy don't delete it!
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73 * @param provider the new provider
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74 */
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75 void addProvider(VFSSourceProvider* provider);
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76
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77 /** tries to create a new VFSSource for the given file
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78 *
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79 * all currently known VFSSourceProviders are tried until one succeeds - if no provider succeeds 0 is returned
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80 * @param file the archive-file
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81 * @return the new VFSSource or 0 if no provider was succesfull or the file was already used as source
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82 */
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83 VFSSource* createSource(const std::string& path) const;
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84
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85 /** create a new Source and add it to VFS
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86 * @see VFSSource* createSource(const std::string& file) const
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87 */
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88 void addNewSource(const std::string& path);
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89
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90
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91 /** Add a new VFSSource */
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92 void addSource(VFSSource* source);
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93
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94 /** remove a VFSSource */
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95 void removeSource(VFSSource* source);
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96
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97 /** Check if the given file exists
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98 *
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99 * @param file the filename
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100 * @return true if it exists, false if not
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101 */
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102 bool exists(const std::string& file) const;
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103
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104 /** Check if the given path is a directory
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105 *
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106 * @param path to check
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107 * @return true if it is a directory, false if not
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108 */
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109 bool isDirectory(const std::string& path) const;
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110
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111 /** Open a file
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112 *
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113 * @param path the file to open
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114 * @return the opened file; delete this when done.
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115 * @throws NotFound if the file cannot be found
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116 */
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117 RawData* open(const std::string& path);
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118
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119 /** Get a filelist of the given directory
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120 *
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121 * @param path the directory
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122 * @return the filelist
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123 */
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124 std::set<std::string> listFiles(const std::string& path) const;
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125
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126 /** List the files of a given directory matching a regex
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127 *
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128 * 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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129 * "\.map" but ".*\.map" (and escape the \)
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130 *
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131 * @param path the directory
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132 * @param filterregex the regex the files have to match
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133 * @return the filelist
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134 */
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135 std::set<std::string> listFiles(const std::string& path, const std::string& filterregex) const;
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136
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137 /** Get a directorylist of the given directory
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138 *
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139 * @param path the directory
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140 * @return the directorylist
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141 */
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142 std::set<std::string> listDirectories(const std::string& path) const;
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143
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144 /** List the subdirectorys of a given directory matching a regex
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145 *
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146 * @param path the directory
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147 * @param filterregex the regex the files have to match
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148 * @return the filelist
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149 */
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150 std::set<std::string> listDirectories(const std::string& path, const std::string& filterregex) const;
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151
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152 private:
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153 typedef std::vector<VFSSourceProvider*> type_providers;
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154 type_providers m_providers;
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155
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156 typedef std::vector<VFSSource*> type_sources;
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157 type_sources m_sources;
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158
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159 typedef std::set<std::string> type_usedfiles;
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160 mutable type_usedfiles m_usedfiles;
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161
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162 std::set<std::string> filterList(const std::set<std::string>& list, const std::string& fregex) const;
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163 std::string lower(const std::string&) const;
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164 VFSSource* getSourceForFile(const std::string& file) const;
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165 };
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166
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167 }
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168
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169 #endif