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annotate engine/core/vfs/vfs.h @ 697:ecaa4d98f05f tip

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Abstracted the GUI code and refactored the GUIChan-specific code into its own module. * Most of the GUIChan code has been refactored into its own gui/guichan module. However, references to the GuiFont class still persist in the Engine and GuiManager code and these will need further refactoring. * GuiManager is now an abstract base class which specific implementations (e.g. GUIChan) should subclass. * The GUIChan GUI code is now a concrete implementation of GuiManager, most of which is in the new GuiChanGuiManager class. * The GUI code in the Console class has been refactored out of the Console and into the GUIChan module as its own GuiChanConsoleWidget class. The rest of the Console class related to executing commands was left largely unchanged. * Existing client code may need to downcast the GuiManager pointer received from FIFE::Engine::getGuiManager() to GuiChanGuiManager, since not all functionality is represented in the GuiManager abstract base class. Python client code can use the new GuiChanGuiManager.castTo static method for this purpose.
author M. George Hansen <technopolitica@gmail.com>
date Sat, 18 Jun 2011 00:28:40 -1000
parents a3a044c586ab
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_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 * @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 VFSSource* getSourceForFile(const std::string& file) const;
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164 };
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165
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166 }
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167
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168 #endif