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IWORKPropertyMap.h
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /*
3 * This file is part of the libetonyek project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 */
9
10 #ifndef IWORKPROPERTYMAP_H_INCLUDED
11 #define IWORKPROPERTYMAP_H_INCLUDED
12
13 #include <boost/any.hpp>
14 #include <boost/unordered_map.hpp>
15
16 #include "IWORKPropertyInfo.h"
17
18 namespace libetonyek
19 {
20
23 class IWORKPropertyMap
24 {
25 public:
26 class NotFoundException {};
27
28 private:
29 typedef boost::unordered_map<IWORKPropertyID_t, boost::any> Map_t;
30
31 public:
34 IWORKPropertyMap();
35
40 explicit IWORKPropertyMap(const IWORKPropertyMap *parent);
41
46 IWORKPropertyMap(const IWORKPropertyMap &other);
47
53 IWORKPropertyMap &operator=(const IWORKPropertyMap &other);
54
59 void swap(IWORKPropertyMap &other);
60
65 void setParent(const IWORKPropertyMap *parent);
66
76 template<class Property>
77 bool has(bool lookInParent = false) const
78 {
79 const Map_t::const_iterator it = m_map.find(IWORKPropertyInfo<Property>::id);
80 if (m_map.end() != it)
81 return !it->second.empty();
82
83 if (lookInParent && m_parent)
84 return m_parent->has<Property>(lookInParent);
85
86 return false;
87 }
88
89 template<class Property>
90 bool clears(bool lookInParent = false) const
91 {
92 const Map_t::const_iterator it = m_map.find(IWORKPropertyInfo<Property>::id);
93 if (m_map.end() != it)
94 return it->second.empty();
95
96 if (lookInParent && m_parent)
97 return m_parent->clears<Property>(lookInParent);
98
99 return false;
100 }
101
111 template<class Property>
112 const typename IWORKPropertyInfo<Property>::ValueType &get(bool lookInParent = false) const
113 {
114 const Map_t::const_iterator it = m_map.find(IWORKPropertyInfo<Property>::id);
115 if (m_map.end() != it)
116 {
117 if (!it->second.empty())
118 return boost::any_cast<const typename IWORKPropertyInfo<Property>::ValueType &>(it->second);
119 }
120 else if (lookInParent && m_parent)
121 {
122 return m_parent->get<Property>(lookInParent);
123 }
124
125 throw NotFoundException();
126 }
127
132 template<class Property>
133 void put(const typename IWORKPropertyInfo<Property>::ValueType &value)
134 {
135 m_map[IWORKPropertyInfo<Property>::id] = value;
136 }
137
143 template<class Property>
144 void clear()
145 {
146 m_map[IWORKPropertyInfo<Property>::id] = boost::any();
147 }
148
149 private:
150 Map_t m_map;
151 const IWORKPropertyMap *m_parent;
152 };
153
154 }
155
156 #endif // IWORKPROPERTYMAP_H_INCLUDED
157
158 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
libetonyek
Definition: IWORKBezierElement.cpp:18
libetonyek::IWORKPropertyMap::m_parent
const IWORKPropertyMap * m_parent
Definition: IWORKPropertyMap.h:151
libetonyek::IWORKPropertyMap::setParent
void setParent(const IWORKPropertyMap *parent)
Set a new parent for this map.
Definition: IWORKPropertyMap.cpp:47
libetonyek::IWORKPropertyMap
Represents a (hierarchical) property map.
Definition: IWORKPropertyMap.h:23
libetonyek::IWORKPropertyMap::clear
void clear()
Clear property.
Definition: IWORKPropertyMap.h:144
libetonyek::IWORKPropertyMap::swap
void swap(IWORKPropertyMap &other)
Swap the content with another map.
Definition: IWORKPropertyMap.cpp:40
IWORKPropertyInfo.h
libetonyek::IWORKPropertyMap::NotFoundException
Definition: IWORKPropertyMap.h:26
libetonyek::IWORKPropertyMap::Map_t
boost::unordered_map< IWORKPropertyID_t, boost::any > Map_t
Definition: IWORKPropertyMap.h:29
libetonyek::IWORKPropertyInfo
Definition: IWORKPropertyInfo.h:21
libetonyek::IWORKPropertyMap::IWORKPropertyMap
IWORKPropertyMap()
Construct an empty map.
Definition: IWORKPropertyMap.cpp:15
libetonyek::IWORKPropertyMap::m_map
Map_t m_map
Definition: IWORKPropertyMap.h:150
libetonyek::IWORKPropertyMap::clears
bool clears(bool lookInParent=false) const
Definition: IWORKPropertyMap.h:90
libetonyek::IWORKPropertyMap::operator=
IWORKPropertyMap & operator=(const IWORKPropertyMap &other)
Assign the content from another map.
Definition: IWORKPropertyMap.cpp:33
libetonyek::IWORKPropertyMap::has
bool has(bool lookInParent=false) const
Check for the presence of a property.
Definition: IWORKPropertyMap.h:77
libetonyek::IWORKPropertyMap::put
void put(const typename IWORKPropertyInfo< Property >::ValueType &value)
Insert a new value for key key.
Definition: IWORKPropertyMap.h:133
libetonyek::IWORKPropertyMap::get
const IWORKPropertyInfo< Property >::ValueType & get(bool lookInParent=false) const
Retrieve the value of a property.
Definition: IWORKPropertyMap.h:112