nel/src/pipeline/database_config.cpp

   1 // NeL - MMORPG Framework <https://wiki.ryzom.dev/>
   2 // Copyright (C) 2015  Winch Gate Property Limited
   3 //
   4 // This source file has been modified by the following contributors:
   5 // Copyright (C) 2016  Jan BOON (Kaetemi) <jan.boon@kaetemi.be>
   6 //
   7 // This program is free software: you can redistribute it and/or modify
   8 // it under the terms of the GNU Affero General Public License as
   9 // published by the Free Software Foundation, either version 3 of the
  10 // License, or (at your option) any later version.
  11 //
  12 // This program is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU Affero General Public License for more details.
  16 //
  17 // You should have received a copy of the GNU Affero General Public License
  18 // along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 //
  20 // Author: Jan BOON (Kaetemi) <jan.boon@kaetemi.be>
  21
  22 #include <nel/misc/types_nl.h>
  23 #include "nel/pipeline/database_config.h"
  24
  25 #include <nel/misc/debug.h>
  26 #include <nel/misc/path.h>
  27 #include <nel/misc/config_file.h>
  28
  29 using namespace std;
  30 using namespace NLMISC;
  31
  32 namespace NLPIPELINE {
  33
  34 TPathString CDatabaseConfig::s_RootPath;
  35 NLMISC::CConfigFile *CDatabaseConfig::s_ConfigFile = NULL;
  36 CDatabaseConfig CDatabaseConfig::s_Instance;
  37 uint32 CDatabaseConfig::s_ConfigFileModification;
  38
  39 static std::set<TPathString> s_SearchPaths;
  40
  41 void CDatabaseConfig::cleanup()
  42 {
  43         delete CDatabaseConfig::s_ConfigFile;
  44         CDatabaseConfig::s_ConfigFile = NULL;
  45 }
  46
  47 CDatabaseConfig::~CDatabaseConfig()
  48 {
  49         cleanup();
  50 }
  51
  52 bool CDatabaseConfig::init(const std::string &asset)
  53 {
  54         // release();
  55
  56         TPathString rootPath = NLMISC::CPath::standardizePath(asset, false);
  57         TPathString configPath = rootPath + "/database.cfg";
  58         while (!CFile::fileExists(configPath))
  59         {
  60                 std::string::size_type sep = CFile::getLastSeparator(rootPath);
  61                 if (sep == string::npos)
  62                         return false;
  63
  64                 rootPath = rootPath.substr(0, sep);
  65                 if (rootPath.empty())
  66                         return false;
  67
  68                 configPath = rootPath + "/database.cfg";
  69         }
  70
  71         rootPath += "/";
  72         uint32 configFileModification = CFile::getFileModificationDate(configPath);
  73         if (rootPath == s_RootPath && s_ConfigFileModification == configFileModification)
  74                 return true; // Do not reload
  75
  76         nldebug("Initializing database config '%s'", configPath.c_str());
  77         release();
  78
  79         s_RootPath = rootPath;
  80         s_ConfigFileModification = configFileModification;
  81
  82         s_ConfigFile = new CConfigFile();
  83         s_ConfigFile->load(configPath);
  84         return true;
  85 }
  86
  87 void CDatabaseConfig::initTextureSearchDirectories()
  88 {
  89         searchDirectories("TextureSearchDirectories");
  90 }
  91
  92 void CDatabaseConfig::searchDirectories(const char *var)
  93 {
  94         CConfigFile::CVar &paths = s_ConfigFile->getVar(var);
  95         for (uint i = 0; i < paths.size(); i++)
  96         {
  97                 TPathString path = paths.asString(i);
  98                 if (s_SearchPaths.find(path) == s_SearchPaths.end())
  99                 {
 100                         CPath::addSearchPath(s_RootPath + path);
 101                         s_SearchPaths.insert(path);
 102                 }
 103         }
 104 }
 105
 106 void CDatabaseConfig::release()
 107 {
 108         s_SearchPaths.clear();
 109         CPath::clearMap();
 110         cleanup();
 111 }
 112
 113 } /* namespace NLPIPELINE */
 114
 115 /* end of file */