[790] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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[1505] | 3 | * > www.orxonox.net < |
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[790] | 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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[871] | 29 | /** |
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[2171] | 30 | @file |
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[790] | 31 | @brief Implementation of the Identifier class. |
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| 32 | */ |
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| 33 | |
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[1505] | 34 | #include "Identifier.h" |
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| 35 | |
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| 36 | #include <ostream> |
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| 37 | |
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[3280] | 38 | #include "util/StringUtils.h" |
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[9667] | 39 | #include "core/CoreIncludes.h" |
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[9563] | 40 | #include "core/config/ConfigValueContainer.h" |
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| 41 | #include "core/XMLPort.h" |
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| 42 | #include "core/object/ClassFactory.h" |
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[790] | 43 | |
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| 44 | namespace orxonox |
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| 45 | { |
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| 46 | // ############################### |
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| 47 | // ### Identifier ### |
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| 48 | // ############################### |
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| 49 | /** |
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| 50 | @brief Constructor: No factory, no object created, new ObjectList and a unique networkID. |
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| 51 | */ |
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[10395] | 52 | Identifier::Identifier(const std::string& name, Factory* factory, bool bLoadable) |
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[9667] | 53 | : classID_(IdentifierManager::getInstance().getUniqueClassId()) |
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[790] | 54 | { |
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[10395] | 55 | this->name_ = name; |
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| 56 | this->factory_ = factory; |
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| 57 | this->bLoadable_ = bLoadable; |
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[9667] | 58 | this->bInitialized_ = false; |
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[10374] | 59 | this->bIsVirtualBase_ = false; |
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[1505] | 60 | |
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| 61 | this->bHasConfigValues_ = false; |
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[790] | 62 | |
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[5781] | 63 | // Default network ID is the class ID |
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| 64 | this->networkID_ = this->classID_; |
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[790] | 65 | } |
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| 66 | |
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| 67 | /** |
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[871] | 68 | @brief Destructor: Deletes the list containing the children. |
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[790] | 69 | */ |
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| 70 | Identifier::~Identifier() |
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| 71 | { |
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[1747] | 72 | if (this->factory_) |
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| 73 | delete this->factory_; |
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| 74 | |
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| 75 | for (std::map<std::string, ConfigValueContainer*>::iterator it = this->configValues_.begin(); it != this->configValues_.end(); ++it) |
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| 76 | delete (it->second); |
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[5781] | 77 | for (std::map<std::string, XMLPortParamContainer*>::iterator it = this->xmlportParamContainers_.begin(); it != this->xmlportParamContainers_.end(); ++it) |
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| 78 | delete (it->second); |
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| 79 | for (std::map<std::string, XMLPortObjectContainer*>::iterator it = this->xmlportObjectContainers_.begin(); it != this->xmlportObjectContainers_.end(); ++it) |
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| 80 | delete (it->second); |
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[790] | 81 | } |
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| 82 | |
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[1856] | 83 | |
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[1747] | 84 | /** |
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[790] | 85 | @brief Creates an object of the type the Identifier belongs to. |
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| 86 | @return The new object |
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| 87 | */ |
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[9667] | 88 | Identifiable* Identifier::fabricate(Context* context) |
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[790] | 89 | { |
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| 90 | if (this->factory_) |
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| 91 | { |
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[9667] | 92 | return this->factory_->fabricate(context); |
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[790] | 93 | } |
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| 94 | else |
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| 95 | { |
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[8858] | 96 | orxout(user_error) << "An error occurred in Identifier.cc:" << endl; |
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| 97 | orxout(user_error) << "Cannot fabricate an object of type '" << this->name_ << "'. Class has no factory." << endl; |
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| 98 | orxout(user_error) << "Aborting..." << endl; |
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[790] | 99 | abort(); |
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[5929] | 100 | return 0; |
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[790] | 101 | } |
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| 102 | } |
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| 103 | |
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| 104 | /** |
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[5929] | 105 | @brief Sets the network ID to a new value and changes the entry in the ID-Identifier-map. |
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[5781] | 106 | */ |
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| 107 | void Identifier::setNetworkID(uint32_t id) |
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| 108 | { |
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| 109 | this->networkID_ = id; |
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[10395] | 110 | IdentifierManager::getInstance().addIdentifier(this); |
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[5781] | 111 | } |
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| 112 | |
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| 113 | /** |
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[9667] | 114 | * @brief Used to define the direct parents of an Identifier of an abstract class. |
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| 115 | */ |
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| 116 | Identifier& Identifier::inheritsFrom(Identifier* directParent) |
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| 117 | { |
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| 118 | if (this->parents_.empty()) |
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[10372] | 119 | this->directParents_.push_back(directParent); |
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[9667] | 120 | else |
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| 121 | orxout(internal_error) << "Trying to add " << directParent->getName() << " as a direct parent of " << this->getName() << " after the latter was already initialized" << endl; |
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| 122 | |
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| 123 | return *this; |
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| 124 | } |
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| 125 | |
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| 126 | /** |
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| 127 | * @brief Initializes the parents of this Identifier while creating the class hierarchy. |
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[10366] | 128 | * @param initializationTrace All identifiers that were recorded while creating an instance of this class (including nested classes and this identifier itself) |
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[9667] | 129 | */ |
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[10372] | 130 | void Identifier::initializeParents(const std::list<const Identifier*>& initializationTrace) |
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[9667] | 131 | { |
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| 132 | if (!IdentifierManager::getInstance().isCreatingHierarchy()) |
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| 133 | { |
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| 134 | orxout(internal_warning) << "Identifier::initializeParents() created outside of class hierarchy creation" << endl; |
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| 135 | return; |
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| 136 | } |
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| 137 | |
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[10371] | 138 | if (this->directParents_.empty()) |
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[9667] | 139 | { |
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[10372] | 140 | for (std::list<const Identifier*>::const_iterator it = initializationTrace.begin(); it != initializationTrace.end(); ++it) |
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[10371] | 141 | if (*it != this) |
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[10372] | 142 | this->parents_.push_back(*it); |
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[9667] | 143 | } |
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[10371] | 144 | else |
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| 145 | orxout(internal_error) << "Trying to add parents to " << this->getName() << " after it was already initialized with manual calls to inheritsFrom<Class>()." << endl; |
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[9667] | 146 | } |
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| 147 | |
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| 148 | /** |
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| 149 | * @brief Finishes the initialization of this Identifier after creating the class hierarchy by wiring the (direct) parent/child references correctly. |
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| 150 | */ |
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| 151 | void Identifier::finishInitialization() |
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| 152 | { |
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| 153 | if (!IdentifierManager::getInstance().isCreatingHierarchy()) |
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| 154 | { |
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| 155 | orxout(internal_warning) << "Identifier::finishInitialization() created outside of class hierarchy creation" << endl; |
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| 156 | return; |
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| 157 | } |
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| 158 | |
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| 159 | if (this->isInitialized()) |
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| 160 | return; |
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| 161 | |
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[10371] | 162 | if (!this->parents_.empty()) |
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| 163 | { |
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| 164 | // parents defined -> this class was initialized by creating a sample instance and recording the trace of identifiers |
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| 165 | |
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| 166 | // initialize all parents |
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[10372] | 167 | for (std::list<const Identifier*>::const_iterator it = this->parents_.begin(); it != this->parents_.end(); ++it) |
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[10371] | 168 | const_cast<Identifier*>(*it)->finishInitialization(); // initialize parent |
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| 169 | |
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| 170 | // parents of parents are no direct parents of this identifier |
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[9667] | 171 | this->directParents_ = this->parents_; |
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[10372] | 172 | for (std::list<const Identifier*>::const_iterator it_parent = this->parents_.begin(); it_parent != this->parents_.end(); ++it_parent) |
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| 173 | for (std::list<const Identifier*>::const_iterator it_parent_parent = const_cast<Identifier*>(*it_parent)->parents_.begin(); it_parent_parent != const_cast<Identifier*>(*it_parent)->parents_.end(); ++it_parent_parent) |
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| 174 | this->directParents_.remove(*it_parent_parent); |
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[10377] | 175 | |
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| 176 | this->verifyIdentifierTrace(); |
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[10371] | 177 | } |
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| 178 | else if (!this->directParents_.empty()) |
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| 179 | { |
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| 180 | // no parents defined -> this class was manually initialized by calling inheritsFrom<Class>() |
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[9667] | 181 | |
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[10371] | 182 | // initialize all direct parents |
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[10372] | 183 | for (std::list<const Identifier*>::const_iterator it = this->directParents_.begin(); it != this->directParents_.end(); ++it) |
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[10371] | 184 | const_cast<Identifier*>(*it)->finishInitialization(); // initialize parent |
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| 185 | |
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| 186 | // direct parents and their parents are also parents of this identifier (but only add them once) |
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[10372] | 187 | for (std::list<const Identifier*>::const_iterator it_parent = this->directParents_.begin(); it_parent != this->directParents_.end(); ++it_parent) |
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[10375] | 188 | { |
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[10372] | 189 | for (std::list<const Identifier*>::const_iterator it_parent_parent = const_cast<Identifier*>(*it_parent)->parents_.begin(); it_parent_parent != const_cast<Identifier*>(*it_parent)->parents_.end(); ++it_parent_parent) |
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[10376] | 190 | this->addIfNotExists(this->parents_, *it_parent_parent); |
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| 191 | this->addIfNotExists(this->parents_, *it_parent); |
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[10375] | 192 | } |
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[10371] | 193 | } |
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| 194 | else if (!this->isExactlyA(Class(Identifiable))) |
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[9667] | 195 | { |
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[10371] | 196 | // only Identifiable is allowed to have no parents (even tough it's currently not abstract) |
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| 197 | orxout(internal_error) << "Identifier " << this->getName() << " / " << this->getTypeidName() << " is marked as abstract but has no direct parents defined" << endl; |
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| 198 | orxout(internal_error) << " If this class is not abstract, use RegisterClass(ThisClass);" << endl; |
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| 199 | orxout(internal_error) << " If this class is abstract, use RegisterAbstractClass(ThisClass).inheritsFrom(Class(BaseClass));" << endl; |
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[9667] | 200 | } |
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| 201 | |
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| 202 | // tell all parents that this identifier is a child |
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[10372] | 203 | for (std::list<const Identifier*>::const_iterator it = this->parents_.begin(); it != this->parents_.end(); ++it) |
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[9667] | 204 | const_cast<Identifier*>(*it)->children_.insert(this); |
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| 205 | |
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| 206 | // tell all direct parents that this identifier is a direct child |
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[10372] | 207 | for (std::list<const Identifier*>::const_iterator it = this->directParents_.begin(); it != this->directParents_.end(); ++it) |
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[9667] | 208 | { |
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| 209 | const_cast<Identifier*>(*it)->directChildren_.insert(this); |
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| 210 | |
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| 211 | // Create the super-function dependencies |
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| 212 | (*it)->createSuperFunctionCaller(); |
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| 213 | } |
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| 214 | |
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| 215 | this->bInitialized_ = true; |
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| 216 | } |
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| 217 | |
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| 218 | /** |
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[10377] | 219 | * Verifies if the recorded trace of parent identifiers matches the expected trace according to the class hierarchy. If it doesn't match, the class |
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| 220 | * hierarchy is likely wrong, e.g. due to wrong inheritsFrom<>() definitions in abstract classes. |
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| 221 | */ |
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| 222 | void Identifier::verifyIdentifierTrace() const |
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| 223 | { |
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| 224 | |
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| 225 | std::list<const Identifier*> expectedIdentifierTrace; |
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| 226 | |
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| 227 | // if any parent class is virtual, it will be instantiated first, so we need to add them first. |
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| 228 | for (std::list<const Identifier*>::const_iterator it_parent = this->parents_.begin(); it_parent != this->parents_.end(); ++it_parent) |
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| 229 | { |
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| 230 | if ((*it_parent)->isVirtualBase()) |
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| 231 | { |
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| 232 | for (std::list<const Identifier*>::const_iterator it_parent_parent = const_cast<Identifier*>(*it_parent)->parents_.begin(); it_parent_parent != const_cast<Identifier*>(*it_parent)->parents_.end(); ++it_parent_parent) |
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| 233 | this->addIfNotExists(expectedIdentifierTrace, *it_parent_parent); |
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| 234 | this->addIfNotExists(expectedIdentifierTrace, *it_parent); |
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| 235 | } |
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| 236 | } |
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| 237 | |
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| 238 | // now all direct parents get created recursively. already added identifiers (e.g. virtual base classes) are not added again. |
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| 239 | for (std::list<const Identifier*>::const_iterator it_parent = this->directParents_.begin(); it_parent != this->directParents_.end(); ++it_parent) |
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| 240 | { |
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| 241 | for (std::list<const Identifier*>::const_iterator it_parent_parent = const_cast<Identifier*>(*it_parent)->parents_.begin(); it_parent_parent != const_cast<Identifier*>(*it_parent)->parents_.end(); ++it_parent_parent) |
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| 242 | this->addIfNotExists(expectedIdentifierTrace, *it_parent_parent); |
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| 243 | this->addIfNotExists(expectedIdentifierTrace, *it_parent); |
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| 244 | } |
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| 245 | |
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| 246 | // check if the expected trace matches the actual trace (which was defined by creating a sample instance) |
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| 247 | if (expectedIdentifierTrace != this->parents_) |
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| 248 | { |
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| 249 | orxout(internal_warning) << this->getName() << " has an unexpected initialization trace:" << endl; |
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| 250 | |
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| 251 | orxout(internal_warning) << " Actual trace (after creating a sample instance):" << endl << " "; |
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| 252 | for (std::list<const Identifier*>::const_iterator it_parent = this->parents_.begin(); it_parent != this->parents_.end(); ++it_parent) |
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| 253 | orxout(internal_warning) << " " << (*it_parent)->getName(); |
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| 254 | orxout(internal_warning) << endl; |
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| 255 | |
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| 256 | orxout(internal_warning) << " Expected trace (according to class hierarchy definitions):" << endl << " "; |
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| 257 | for (std::list<const Identifier*>::const_iterator it_parent = expectedIdentifierTrace.begin(); it_parent != expectedIdentifierTrace.end(); ++it_parent) |
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| 258 | orxout(internal_warning) << " " << (*it_parent)->getName(); |
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| 259 | orxout(internal_warning) << endl; |
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| 260 | |
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| 261 | orxout(internal_warning) << " Direct parents (according to class hierarchy definitions):" << endl << " "; |
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| 262 | for (std::list<const Identifier*>::const_iterator it_parent = this->directParents_.begin(); it_parent != this->directParents_.end(); ++it_parent) |
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| 263 | orxout(internal_warning) << " " << (*it_parent)->getName(); |
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| 264 | orxout(internal_warning) << endl; |
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| 265 | } |
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| 266 | } |
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| 267 | |
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| 268 | /** |
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[10376] | 269 | * Adds @param identifierToAdd to @param list if this identifier is not already contained in the list. |
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| 270 | */ |
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| 271 | void Identifier::addIfNotExists(std::list<const Identifier*>& list, const Identifier* identifierToAdd) const |
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| 272 | { |
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| 273 | if (std::find(list.begin(), list.end(), identifierToAdd) == list.end()) |
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| 274 | list.push_back(identifierToAdd); |
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| 275 | } |
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| 276 | |
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| 277 | /** |
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[871] | 278 | @brief Returns true, if the Identifier is at least of the given type. |
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[790] | 279 | @param identifier The identifier to compare with |
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| 280 | */ |
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| 281 | bool Identifier::isA(const Identifier* identifier) const |
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| 282 | { |
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[10371] | 283 | return (identifier == this || (this->isChildOf(identifier))); |
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[790] | 284 | } |
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| 285 | |
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| 286 | /** |
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[871] | 287 | @brief Returns true, if the Identifier is exactly of the given type. |
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[790] | 288 | @param identifier The identifier to compare with |
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| 289 | */ |
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[871] | 290 | bool Identifier::isExactlyA(const Identifier* identifier) const |
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[790] | 291 | { |
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| 292 | return (identifier == this); |
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| 293 | } |
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| 294 | |
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| 295 | /** |
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[871] | 296 | @brief Returns true, if the assigned identifier is a child of the given identifier. |
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[790] | 297 | @param identifier The identifier to compare with |
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| 298 | */ |
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| 299 | bool Identifier::isChildOf(const Identifier* identifier) const |
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| 300 | { |
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[10372] | 301 | return (std::find(this->parents_.begin(), this->parents_.end(), identifier) != this->parents_.end()); |
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[1505] | 302 | } |
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[790] | 303 | |
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| 304 | /** |
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[1505] | 305 | @brief Returns true, if the assigned identifier is a direct child of the given identifier. |
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| 306 | @param identifier The identifier to compare with |
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| 307 | */ |
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| 308 | bool Identifier::isDirectChildOf(const Identifier* identifier) const |
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| 309 | { |
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[10372] | 310 | return (std::find(this->directParents_.begin(), this->directParents_.end(), identifier) != this->directParents_.end()); |
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[1505] | 311 | } |
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| 312 | |
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| 313 | /** |
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[871] | 314 | @brief Returns true, if the assigned identifier is a parent of the given identifier. |
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[790] | 315 | @param identifier The identifier to compare with |
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| 316 | */ |
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| 317 | bool Identifier::isParentOf(const Identifier* identifier) const |
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| 318 | { |
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[5929] | 319 | return (this->children_.find(identifier) != this->children_.end()); |
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[1505] | 320 | } |
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| 321 | |
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| 322 | /** |
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| 323 | @brief Returns true, if the assigned identifier is a direct parent of the given identifier. |
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| 324 | @param identifier The identifier to compare with |
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| 325 | */ |
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| 326 | bool Identifier::isDirectParentOf(const Identifier* identifier) const |
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| 327 | { |
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[5929] | 328 | return (this->directChildren_.find(identifier) != this->directChildren_.end()); |
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[1505] | 329 | } |
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| 330 | |
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| 331 | /** |
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| 332 | @brief Adds the ConfigValueContainer of a variable, given by the string of its name. |
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| 333 | @param varname The name of the variablee |
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| 334 | @param container The container |
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| 335 | */ |
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| 336 | void Identifier::addConfigValueContainer(const std::string& varname, ConfigValueContainer* container) |
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| 337 | { |
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| 338 | std::map<std::string, ConfigValueContainer*>::const_iterator it = this->configValues_.find(varname); |
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| 339 | if (it != this->configValues_.end()) |
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| 340 | { |
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[8858] | 341 | orxout(internal_warning) << "Overwriting config-value with name " << varname << " in class " << this->getName() << '.' << endl; |
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[1747] | 342 | delete (it->second); |
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[1505] | 343 | } |
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| 344 | |
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| 345 | this->bHasConfigValues_ = true; |
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| 346 | this->configValues_[varname] = container; |
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| 347 | } |
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| 348 | |
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| 349 | /** |
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| 350 | @brief Returns the ConfigValueContainer of a variable, given by the string of its name. |
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| 351 | @param varname The name of the variable |
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| 352 | @return The ConfigValueContainer |
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| 353 | */ |
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| 354 | ConfigValueContainer* Identifier::getConfigValueContainer(const std::string& varname) |
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| 355 | { |
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| 356 | std::map<std::string, ConfigValueContainer*>::const_iterator it = configValues_.find(varname); |
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| 357 | if (it != configValues_.end()) |
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[5929] | 358 | return it->second; |
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[1505] | 359 | else |
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| 360 | return 0; |
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| 361 | } |
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| 362 | |
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| 363 | /** |
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[5781] | 364 | @brief Returns a XMLPortParamContainer that loads a parameter of this class. |
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| 365 | @param paramname The name of the parameter |
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| 366 | @return The container |
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| 367 | */ |
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| 368 | XMLPortParamContainer* Identifier::getXMLPortParamContainer(const std::string& paramname) |
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| 369 | { |
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| 370 | std::map<std::string, XMLPortParamContainer*>::const_iterator it = this->xmlportParamContainers_.find(paramname); |
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| 371 | if (it != this->xmlportParamContainers_.end()) |
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[5929] | 372 | return it->second; |
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[5781] | 373 | else |
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| 374 | return 0; |
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| 375 | } |
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| 376 | |
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| 377 | /** |
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| 378 | @brief Adds a new XMLPortParamContainer that loads a parameter of this class. |
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| 379 | @param paramname The name of the parameter |
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| 380 | @param container The container |
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| 381 | */ |
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| 382 | void Identifier::addXMLPortParamContainer(const std::string& paramname, XMLPortParamContainer* container) |
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| 383 | { |
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| 384 | std::map<std::string, XMLPortParamContainer*>::const_iterator it = this->xmlportParamContainers_.find(paramname); |
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| 385 | if (it != this->xmlportParamContainers_.end()) |
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| 386 | { |
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[8858] | 387 | orxout(internal_warning) << "Overwriting XMLPortParamContainer in class " << this->getName() << '.' << endl; |
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[5781] | 388 | delete (it->second); |
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| 389 | } |
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| 390 | |
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| 391 | this->xmlportParamContainers_[paramname] = container; |
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| 392 | } |
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| 393 | |
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| 394 | /** |
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| 395 | @brief Returns a XMLPortObjectContainer that attaches an object to this class. |
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| 396 | @param sectionname The name of the section that contains the attachable objects |
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| 397 | @return The container |
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| 398 | */ |
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| 399 | XMLPortObjectContainer* Identifier::getXMLPortObjectContainer(const std::string& sectionname) |
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| 400 | { |
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| 401 | std::map<std::string, XMLPortObjectContainer*>::const_iterator it = this->xmlportObjectContainers_.find(sectionname); |
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| 402 | if (it != this->xmlportObjectContainers_.end()) |
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[5929] | 403 | return it->second; |
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[5781] | 404 | else |
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| 405 | return 0; |
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| 406 | } |
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| 407 | |
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| 408 | /** |
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| 409 | @brief Adds a new XMLPortObjectContainer that attaches an object to this class. |
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| 410 | @param sectionname The name of the section that contains the attachable objects |
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| 411 | @param container The container |
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| 412 | */ |
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| 413 | void Identifier::addXMLPortObjectContainer(const std::string& sectionname, XMLPortObjectContainer* container) |
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| 414 | { |
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| 415 | std::map<std::string, XMLPortObjectContainer*>::const_iterator it = this->xmlportObjectContainers_.find(sectionname); |
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| 416 | if (it != this->xmlportObjectContainers_.end()) |
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| 417 | { |
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[8858] | 418 | orxout(internal_warning) << "Overwriting XMLPortObjectContainer in class " << this->getName() << '.' << endl; |
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[5781] | 419 | delete (it->second); |
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| 420 | } |
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| 421 | |
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| 422 | this->xmlportObjectContainers_[sectionname] = container; |
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| 423 | } |
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| 424 | |
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| 425 | /** |
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[1505] | 426 | @brief Lists the names of all Identifiers in a std::set<const Identifier*>. |
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| 427 | @param out The outstream |
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| 428 | @param list The list (or set) of Identifiers |
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| 429 | @return The outstream |
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| 430 | */ |
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| 431 | std::ostream& operator<<(std::ostream& out, const std::set<const Identifier*>& list) |
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| 432 | { |
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| 433 | for (std::set<const Identifier*>::const_iterator it = list.begin(); it != list.end(); ++it) |
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[5929] | 434 | { |
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| 435 | if (it != list.begin()) |
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[6417] | 436 | out << ' '; |
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[5929] | 437 | out << (*it)->getName(); |
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| 438 | } |
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[1505] | 439 | |
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| 440 | return out; |
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| 441 | } |
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[790] | 442 | } |
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