Mercurial > fife-parpg
annotate engine/core/util/resource/pool.cpp @ 640:855ad500f991
* Added the ability to set/get the video driver used using the settings interface. Note that the default driver for the OS will be used unless explicitly specified.
author | prock@33b003aa-7bff-0310-803a-e67f0ece8222 |
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date | Thu, 07 Oct 2010 18:37:02 +0000 |
parents | a46368b3d8a0 |
children | b84dbc4665b0 |
rev | line source |
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0
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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 // Standard C++ library includes |
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23 |
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24 // 3rd party library includes |
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25 |
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26 // FIFE includes |
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27 // These includes are split up in two parts, separated by one empty line |
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28 // First block: files included from the FIFE root src directory |
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29 // Second block: files included from the same folder |
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30 #include "util/base/exception.h" |
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31 #include "util/log/logger.h" |
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32 |
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33 #include "pool.h" |
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34 |
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35 namespace FIFE { |
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36 static Logger _log(LM_POOL); |
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37 |
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38 Pool::Pool(const std::string& name): |
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39 m_entries(), |
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40 m_location_to_entry(), |
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41 m_loaders(), |
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42 m_name(name) |
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43 { |
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44 } |
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45 |
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46 Pool::~Pool() { |
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47 FL_LOG(_log, LMsg("Pool destroyed: ") << m_name); |
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48 printStatistics(); |
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49 // This is only usefull for debugging |
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50 //sanityCheck(); |
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51 reset(); |
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52 std::vector<ResourceLoader*>::iterator loader; |
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53 for (loader = m_loaders.begin(); loader != m_loaders.end(); loader++) { |
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54 delete (*loader); |
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55 } |
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56 } |
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57 |
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58 void Pool::reset() { |
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59 std::vector<PoolEntry*>::iterator entry; |
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60 for (entry = m_entries.begin(); entry != m_entries.end(); entry++) { |
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61 // Warn about leaks, but at least display ALL of them |
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62 // Instead of bailing out with an exception in the FifeClass destructor. |
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63 if( (*entry)->resource && (*entry)->resource->getRefCount() > 0 ) { |
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64 FL_WARN(_log, LMsg(m_name + " leak: ") << (*entry)->location->getFilename()); |
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65 (*entry)->resource = 0; |
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66 } |
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67 delete (*entry); |
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68 } |
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69 m_entries.clear(); |
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70 m_location_to_entry.clear(); |
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71 } |
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72 |
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73 int Pool::purgeLoadedResources() { |
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74 int count = 0; |
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75 std::vector<PoolEntry*>::iterator it; |
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76 for (it = m_entries.begin(); it != m_entries.end(); it++) { |
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77 PoolEntry* entry = *it; |
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78 if( entry->resource && entry->resource->getRefCount() == 0 ) { |
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79 delete entry->resource; |
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80 entry->resource = 0; |
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81 ++count; |
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82 } |
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83 } |
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84 return count; |
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85 } |
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86 |
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87 void Pool::addResourceLoader(ResourceLoader* loader) { |
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88 m_loaders.push_back(loader); |
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89 } |
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90 |
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91 int Pool::addResourceFromLocation(ResourceLocation* loc) { |
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92 ResourceLocationToEntry::const_iterator it = m_location_to_entry.find(loc); |
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93 if (it != m_location_to_entry.end()) { |
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94 return it->second; |
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95 } |
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96 |
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97 PoolEntry* entry = new PoolEntry(); |
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98 entry->location = loc->clone(); |
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99 m_entries.push_back(entry); |
146
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The getIndex function was a hack that shadowed another bug
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100 size_t index = m_entries.size() - 1; |
156
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Fixed a horrendous misconeception in the pool.
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101 m_location_to_entry[entry->location] = index; |
146
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102 return index; |
0
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103 } |
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104 |
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105 int Pool::addResourceFromFile(const std::string& filename) { |
156
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106 ResourceLocation r = ResourceLocation(filename); |
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107 return addResourceFromLocation(&r); |
0
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108 } |
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109 |
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110 IResource& Pool::get(unsigned int index, bool inc) { |
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111 if (index >= m_entries.size()) { |
146
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112 FL_ERR(_log, LMsg("Tried to get with index ") << index << ", only " << m_entries.size() << " items in pool " + m_name); |
0
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113 throw IndexOverflow( __FUNCTION__ ); |
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114 } |
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115 IResource* res = NULL; |
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116 PoolEntry* entry = m_entries[index]; |
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117 if (entry->resource) { |
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118 res = entry->resource; |
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119 } else { |
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120 if (!entry->loader) { |
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121 findAndSetProvider(*entry); |
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122 } else { |
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123 entry->resource = entry->loader->loadResource(*entry->location); |
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124 } |
146
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125 |
0
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126 if (!entry->loader) { |
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127 LMsg msg("No suitable loader was found for resource "); |
146
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128 msg << "#" << index << "<" << entry->location->getFilename() |
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129 << "> in pool " << m_name; |
0
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130 FL_ERR(_log, msg); |
146
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131 |
0
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132 throw NotFound(msg.str); |
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133 } |
146
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134 |
149
823544621b5b
Removed the pool listener interface as purpose
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135 // This branch will only be relevant if the resource has been |
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Removed the pool listener interface as purpose
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136 // loaded successfully before, but for some reason the loader |
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Removed the pool listener interface as purpose
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137 // can't load the resource anymore. |
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138 // Maybe someone deleted a file under FIFE's hands? |
0
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139 if (!entry->resource) { |
149
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Removed the pool listener interface as purpose
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148
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140 LMsg msg("The loader was unable to load the resource "); |
146
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141 msg << "#" << index << "<" << entry->location->getFilename() |
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142 << "> in pool " << m_name; |
0
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143 FL_ERR(_log, msg); |
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144 throw NotFound(msg.str); |
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145 } |
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146 res = entry->resource; |
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147 } |
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148 if (inc) { |
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149 res->addRef(); |
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150 } |
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151 res->setPoolId(index); |
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152 return *res; |
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153 } |
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154 |
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155 void Pool::release(unsigned int index, bool dec) { |
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156 if (index >= m_entries.size()) { |
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* Datasets becomes the new trunk and retires after that :-)
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157 throw IndexOverflow( __FUNCTION__ ); |
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158 } |
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159 |
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* Datasets becomes the new trunk and retires after that :-)
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160 IResource* res = NULL; |
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* Datasets becomes the new trunk and retires after that :-)
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161 PoolEntry* entry = m_entries[index]; |
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* Datasets becomes the new trunk and retires after that :-)
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162 if (entry->resource) { |
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* Datasets becomes the new trunk and retires after that :-)
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163 res = entry->resource; |
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* Datasets becomes the new trunk and retires after that :-)
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164 if (dec) { |
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* Datasets becomes the new trunk and retires after that :-)
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165 res->decRef(); |
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* Datasets becomes the new trunk and retires after that :-)
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166 } |
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* Datasets becomes the new trunk and retires after that :-)
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167 if(res->getRefCount() == 0) { |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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168 delete entry->resource; |
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* Datasets becomes the new trunk and retires after that :-)
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169 entry->resource = 0; |
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* Datasets becomes the new trunk and retires after that :-)
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170 } |
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* Datasets becomes the new trunk and retires after that :-)
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171 } |
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* Datasets becomes the new trunk and retires after that :-)
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172 } |
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* Datasets becomes the new trunk and retires after that :-)
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173 |
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* Datasets becomes the new trunk and retires after that :-)
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174 int Pool::getResourceCount(int status) { |
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* Datasets becomes the new trunk and retires after that :-)
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175 int amount = 0; |
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* Datasets becomes the new trunk and retires after that :-)
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176 std::vector<PoolEntry*>::iterator entry; |
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* Datasets becomes the new trunk and retires after that :-)
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177 for (entry = m_entries.begin(); entry != m_entries.end(); entry++) { |
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* Datasets becomes the new trunk and retires after that :-)
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178 if (status & RES_LOADED) { |
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* Datasets becomes the new trunk and retires after that :-)
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179 if ((*entry)->resource) { |
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* Datasets becomes the new trunk and retires after that :-)
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180 amount++; |
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* Datasets becomes the new trunk and retires after that :-)
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181 } |
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* Datasets becomes the new trunk and retires after that :-)
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182 } |
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* Datasets becomes the new trunk and retires after that :-)
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183 if (status & RES_NON_LOADED) { |
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* Datasets becomes the new trunk and retires after that :-)
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184 if (!(*entry)->resource) { |
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* Datasets becomes the new trunk and retires after that :-)
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185 amount++; |
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* Datasets becomes the new trunk and retires after that :-)
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186 } |
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* Datasets becomes the new trunk and retires after that :-)
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187 } |
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* Datasets becomes the new trunk and retires after that :-)
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188 } |
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* Datasets becomes the new trunk and retires after that :-)
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189 return amount; |
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* Datasets becomes the new trunk and retires after that :-)
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190 } |
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* Datasets becomes the new trunk and retires after that :-)
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191 |
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* Datasets becomes the new trunk and retires after that :-)
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192 void Pool::findAndSetProvider(PoolEntry& entry) { |
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* Datasets becomes the new trunk and retires after that :-)
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193 std::vector<ResourceLoader*>::iterator it = m_loaders.begin(); |
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* Datasets becomes the new trunk and retires after that :-)
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194 std::vector<ResourceLoader*>::iterator end = m_loaders.end(); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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195 if( it == end ) { |
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* Datasets becomes the new trunk and retires after that :-)
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196 FL_PANIC(_log, "no loader constructors given for resource pool"); |
4a0efb7baf70
* Datasets becomes the new trunk and retires after that :-)
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197 } |
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* Datasets becomes the new trunk and retires after that :-)
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198 for(; it != end; ++it) { |
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* Datasets becomes the new trunk and retires after that :-)
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199 IResource* res = (*it)->loadResource(*entry.location); |
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200 if (res) { |
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201 entry.resource = res; |
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202 entry.loader = *it; |
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203 return; |
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204 } |
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205 }; |
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206 } |
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207 |
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208 void Pool::printStatistics() { |
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209 FL_LOG(_log, LMsg("Pool not loaded =") << getResourceCount(RES_NON_LOADED)); |
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210 FL_LOG(_log, LMsg("Pool loaded =") << getResourceCount(RES_LOADED)); |
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211 int amount = 0; |
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212 std::vector<PoolEntry*>::iterator entry; |
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213 for (entry = m_entries.begin(); entry != m_entries.end(); entry++) { |
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214 if ((*entry)->resource) { |
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215 if ((*entry)->resource->getRefCount() > 0) { |
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216 amount++; |
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217 } |
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218 } |
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219 } |
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220 FL_LOG(_log, LMsg("Pool locked =") << amount); |
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221 FL_LOG(_log, LMsg("Pool total size =") << m_entries.size()); |
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222 } |
147
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223 |
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224 void Pool::sanityCheck() { |
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225 // It is easy to mess up the important consistent |
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226 // less-than operator for the location classes. |
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227 // This will check if according to the '==' operator |
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228 // entries are duplicate (=memory leaks). |
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229 // Slow and inaccurate. But should barf at real messups. |
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230 for(unsigned i = 0; i != m_entries.size(); ++i) { |
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231 int count = 0; |
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232 for(unsigned j = i+1; j < m_entries.size(); ++j) { |
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233 if( *m_entries[i]->location == *m_entries[j]->location ) |
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234 count ++; |
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235 } |
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236 if( 0 == count ) |
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237 continue; |
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238 FL_WARN(_log, LMsg("Multiple entries: ") << m_entries[i]->location->getFilename() |
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239 << " #entries = " << (count+1) ); |
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240 } |
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241 } |
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242 |
0
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243 } |