1 | /* |
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2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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3 | * > www.orxonox.net < |
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4 | * |
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5 | * |
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6 | * License notice: |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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21 | * |
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22 | * Author: |
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23 | * Fabian 'x3n' Landau |
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24 | * Co-authors: |
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25 | * ... |
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26 | * |
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27 | */ |
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28 | |
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29 | /** |
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30 | @file IdentifierDistributor.cc |
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31 | @brief Implementation of the IdentifierDistributor class. |
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32 | */ |
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33 | |
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34 | #include "IdentifierDistributor.h" |
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35 | #include "Identifier.h" |
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36 | |
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37 | namespace orxonox |
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38 | { |
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39 | /** |
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40 | @brief Returns the only instance of a ClassIdentifier for a given class. |
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41 | @param name The name of the class |
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42 | @param proposal A proposal for the ClassIdentifier in case there is no entry yet. |
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43 | @return The unique ClassIdentifier |
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44 | */ |
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45 | Identifier* IdentifierDistributor::getIdentifier(const std::string& name, Identifier* proposal) |
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46 | { |
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47 | // Create the only instance of the IdentifierDistributor-singleton |
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48 | static IdentifierDistributor theOneAndOnlyInstance = IdentifierDistributor(); |
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49 | |
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50 | // Look for an entry in the map |
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51 | std::map<std::string, Identifier*>::const_iterator it = theOneAndOnlyInstance.identifiers_.find(name); |
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52 | if (it != theOneAndOnlyInstance.identifiers_.end()) |
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53 | { |
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54 | // There is already an entry: return it |
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55 | return (*it).second; |
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56 | } |
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57 | else |
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58 | { |
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59 | // There is no entry: put the proposal into the map and return it |
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60 | theOneAndOnlyInstance.identifiers_[name] = proposal; |
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61 | return proposal; |
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62 | } |
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63 | } |
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64 | } |
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