OpenMesh: OpenMesh/Core/Utils/BaseProperty.hh Source File

| OpenMesh

BaseProperty.hh
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42 /*===========================================================================*\
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47 \*===========================================================================*/
48
49 #ifndef OPENMESH_BASEPROPERTY_HH
50 #define OPENMESH_BASEPROPERTY_HH
51
52 #include <string>
53 #include <OpenMesh/Core/IO/StoreRestore.hh>
54 #include <OpenMesh/Core/System/omstream.hh>
55
56 namespace OpenMesh {
57
58 //== CLASS DEFINITION =========================================================
59
65 class OPENMESHDLLEXPORT BaseProperty
66 {
67 public:
68
70 static const size_t UnknownSize = size_t(-1);
71
72 public:
73
88 BaseProperty(const std::string& _name = "<unknown>")
89 : name_(_name), persistent_(false)
90 {}
91
93 BaseProperty(const BaseProperty & _rhs)
94 : name_( _rhs.name_ ), persistent_( _rhs.persistent_ ) {}
95
97 virtual ~BaseProperty() {}
98
99 public: // synchronized array interface
100
102 virtual void reserve(size_t _n) = 0;
103
105 virtual void resize(size_t _n) = 0;
106
108 virtual void clear() = 0;
109
111 virtual void push_back() = 0;
112
114 virtual void swap(size_t _i0, size_t _i1) = 0;
115
117 virtual void copy(size_t _io, size_t _i1) = 0;
118
120 virtual BaseProperty* clone () const = 0;
121
122 public: // named property interface
123
125 const std::string& name() const { return name_; }
126
127 virtual void stats(std::ostream& _ostr) const;
128
129 public: // I/O support
130
132 bool persistent(void) const { return persistent_; }
133
136 virtual void set_persistent( bool _yn ) = 0;
137
139 virtual size_t n_elements() const = 0;
140
142 virtual size_t element_size() const = 0;
143
145 virtual size_t size_of() const
146 {
147 return size_of( n_elements() );
148 }
149
152 virtual size_t size_of(size_t _n_elem) const
153 {
154 return (element_size()!=UnknownSize)
155 ? (_n_elem*element_size())
156 : UnknownSize;
157 }
158
160 virtual size_t store( std::ostream& _ostr, bool _swap ) const = 0;
161
165 virtual size_t restore( std::istream& _istr, bool _swap ) = 0;
166
167 protected:
168
169 // To be used in a derived class, when overloading set_persistent()
170 template < typename T >
171 void check_and_set_persistent( bool _yn )
172 {
173 if ( _yn && !IO::is_streamable<T>() )
174 omerr() << "Warning! Type of property value is not binary storable!\n";
175 persistent_ = IO::is_streamable<T>() && _yn;
176 }
177
178 private:
179
180 std::string name_;
181 bool persistent_;
182 };
183
184 }//namespace OpenMesh
185
186 #endif //OPENMESH_BASEPROPERTY_HH
187
188
OpenMesh::BaseProperty::name
const std::string & name() const
Return the name of the property.
Definition: BaseProperty.hh:125
OpenMesh::BaseProperty::~BaseProperty
virtual ~BaseProperty()
Destructor.
Definition: BaseProperty.hh:97
omstream.hh
This file provides the streams omlog, omout, and omerr.
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::BaseProperty::persistent
bool persistent(void) const
Returns true if the persistent flag is enabled else false.
Definition: BaseProperty.hh:132
OpenMesh::BaseProperty::BaseProperty
BaseProperty(const BaseProperty &_rhs)
Copy constructor.
Definition: BaseProperty.hh:93
OpenMesh::BaseProperty
Abstract class defining the basic interface of a dynamic property.
Definition: BaseProperty.hh:65
OpenMesh::BaseProperty::BaseProperty
BaseProperty(const std::string &_name="<unknown>")
Default constructor.
Definition: BaseProperty.hh:88
OpenMesh::BaseProperty::size_of
virtual size_t size_of() const
Return size of property in bytes.
Definition: BaseProperty.hh:145
OpenMesh::BaseProperty::size_of
virtual size_t size_of(size_t _n_elem) const
Estimated size of property if it has _n_elem elements.
Definition: BaseProperty.hh:152