Developer Documentation
Properties.hh
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41
42#ifndef PROPERTIES_HH
43#define PROPERTIES_HH
44
54#include <vector>
55#include <map>
56#include <string>
57
59
60
66template<typename T>
68{
69 friend class Properties;
70
71protected:
72 typedef T value_type;
73
74public:
75 explicit PropertyHandleT(int _idx = -1);
76 virtual ~PropertyHandleT();
77
78 inline bool isValid();
79
80protected:
81 int idx_;
82};
83
92class OBJECTTYPEDLLEXPORT Properties
93{
94protected:
101 class OBJECTTYPEDLLEXPORT BaseProperty
102 {
103 friend class Properties;
104 public:
105 BaseProperty();
106 virtual ~BaseProperty();
107
108 protected:
114 virtual void insert_at(int _index) = 0;
115 virtual void remove_at(int _index) = 0;
116 virtual void clear() = 0;
118 };
119
126 template<typename T>
127 class PropertyT : public BaseProperty
128 {
129 friend class Properties;
130
131 public:
132 explicit PropertyT(unsigned long _size = 0);
133 virtual ~PropertyT();
134
135 public:
136 inline T &operator[](int _index);
137
138 protected:
144 void insert_at(int _index) override;
145 void remove_at(int _index) override;
146 void clear() override;
148
149 protected:
150 std::vector<T> values_;
151 };
152
153public:
154 Properties();
155 virtual ~Properties();
156
157public:
163 template<typename T> bool add_property(PropertyHandleT<T> &_hProp, std::string _name);
164 template<typename T> bool get_property(PropertyHandleT<T> &_hProp, std::string _name);
165 bool has_property(std::string _name);
166 template<typename T> bool remove_property(PropertyHandleT<T> &_hProp);
167 void clear_properties();
169
175 template<typename T> T &property(PropertyHandleT<T> &_hProp, int _index);
177
178protected:
184 void insert_property_at(int _index);
185 void remove_property_at(int _index);
186 void clean_properties();
188
189protected:
190 std::map<std::string, int> property_names_;
191 std::vector<BaseProperty*> properties_;
192 unsigned long size_;
193};
194
205//=============================================================================
206//=============================================================================
207#if defined(INCLUDE_TEMPLATES) && !defined(PROPERTIES_C)
208#define PROPERTIES_TEMPLATES
209#include "PropertiesT_impl.hh"
210#endif
211//=============================================================================
212#endif // PROPERTIES_HH defined
213//=============================================================================
214
The base class for all property template instances.
Definition: Properties.hh:102
virtual void remove_at(int _index)=0
Called by Properties as objects are deleted in the derived class.
virtual void insert_at(int _index)=0
Called by Properties as new objects are inserted in the derived class.
virtual void clear()=0
Called if all values have to be erased from this property.
A container storing a single property for all objects.
Definition: Properties.hh:128
std::vector< T > values_
Stores a property for every object in the class derived from the Properties class....
Definition: Properties.hh:150
The properties storage class.
Definition: Properties.hh:93
void remove_property_at(int _index)
Removes a property for an object that is being deleted from the derived class.
Definition: Properties.cc:122
bool remove_property(PropertyHandleT< T > &_hProp)
Deletes a property including all values.
T & property(PropertyHandleT< T > &_hProp, int _index)
Direct access to the properties values.
bool get_property(PropertyHandleT< T > &_hProp, std::string _name)
Initiates the property handle.
unsigned long size_
The number of fields in each property, used when new properties have to be created.
Definition: Properties.hh:192
std::map< std::string, int > property_names_
The property names, key holding the name, value the properties index in Properties::properties_.
Definition: Properties.hh:190
void insert_property_at(int _index)
Inserts a property for a new object at the given index.
Definition: Properties.cc:105
std::vector< BaseProperty * > properties_
A vector holding the properties.
Definition: Properties.hh:191
void clear_properties()
Deletes all properties, including their values.
Definition: Properties.cc:85
void clean_properties()
While preserving the properties themself, all values in the property are deleted.
Definition: Properties.cc:71
bool add_property(PropertyHandleT< T > &_hProp, std::string _name)
Adds a new property.
bool has_property(std::string _name)
Returns true if a property with the given name exists.
Definition: Properties.cc:137
The property handle, use it to access the properties.
Definition: Properties.hh:68
bool isValid()
Returns true if the handle is valid, false otherwise.
virtual ~PropertyHandleT()
Destructor.
int idx_
The properties index.
Definition: Properties.hh:81
PropertyHandleT(int _idx=-1)
Constructs a new property handle.