4 #ifndef DUNE_TYPETREE_FILTEREDCOMPOSITENODE_HH
5 #define DUNE_TYPETREE_FILTEREDCOMPOSITENODE_HH
7 #include <dune/common/shared_ptr.hh>
11 #include <dune/common/tuples.hh>
12 #include <dune/common/typetraits.hh>
33 template<
typename Filter,
typename Tag>
37 template<
typename Filter,
typename Node,
typename ChildTypes>
38 struct apply_filter_wrapper;
40 template<
typename Filter,
typename Node,
typename... Children>
41 struct apply_filter_wrapper<Filter,Node,tuple<Children...> >
42 :
public Filter::template apply<Node,Children...>
46 template<
typename Filter>
47 struct get_filter<Filter,SimpleFilterTag>
51 template<
typename Node,
typename ChildTypes>
53 :
public apply_filter_wrapper<filter<Filter>,Node,ChildTypes>
59 template<
typename Filter>
60 struct get_filter<Filter,AdvancedFilterTag>
64 template<
typename Node,
typename ChildTypes>
66 :
public apply_filter_wrapper<Filter,Node,ChildTypes>
76 template<
typename Node,
typename Filter>
80 typedef typename get_filter<Filter,typename Filter::FilterTag>::type filter;
81 typedef typename filter::template apply<Node,typename Node::ChildTypes>::type filter_result;
82 typedef typename filter_result::template apply<Node> mapped_children;
84 static const bool nodeIsConst = IsConst<typename remove_reference<Node>::type>::value;
86 template<std::
size_t k>
89 static const bool value = !nodeIsConst;
113 static const std::size_t
CHILDREN = filter_result::size;
116 template<std::
size_t k>
121 typedef typename tuple_element<k,typename mapped_children::Children>::type OriginalChild;
123 static const std::size_t mapped_index = tuple_element<k,typename filter_result::IndexMap>::type::original_index;
131 typedef typename OriginalChild::type
type;
134 typedef typename OriginalChild::Storage
Storage;
147 template<std::
size_t k>
148 typename enable_if<lazy_enable<k>::value,
typename Child<k>::Type&>::type
151 return _node->template child<Child<k>::mapped_index>();
158 template<std::
size_t k>
161 return _node->template child<Child<k>::mapped_index>();
168 template<std::
size_t k>
169 typename enable_if<lazy_enable<k>::value,
typename Child<k>::Storage>::type
172 return _node->template childStorage<Child<k>::mapped_index>();
182 template<std::
size_t k>
185 return _node->template childStorage<Child<k>::mapped_index>();
189 template<std::
size_t k>
192 _node->template childStorage<Child<k>::mapped_index>() = stackobject_to_shared_ptr(child);
196 template<std::
size_t k>
199 _node->template childStorage<Child<k>::mapped_index>() = child;
213 template<
bool enabled = !nodeIsConst>
214 typename enable_if<enabled,Node&>::type
233 template<
bool enabled = !nodeIsConst>
234 typename enable_if<enabled,shared_ptr<Node> >::type
263 : _node(stackobject_to_shared_ptr(node))
269 shared_ptr<Node> _node;
277 #endif // DUNE_TYPETREE_FILTEREDCOMPOSITENODE_HH
enable_if< lazy_enable< k >::value, typename Child< k >::Storage >::type childStorage()
Returns the storage of the i-th child.
Definition: filteredcompositenode.hh:170
CompositeNodeTag NodeTag
The type tag that describes a CompositeNode.
Definition: filteredcompositenode.hh:95
static const bool isPower
Mark this class as a non power in the dune-typetree.
Definition: filteredcompositenode.hh:107
Base class for composite nodes representing a filtered view on an underlying composite node...
Definition: filteredcompositenode.hh:77
OriginalChild::Storage Storage
The storage type of the child.
Definition: filteredcompositenode.hh:134
OriginalChild::Type Type
The type of the child.
Definition: filteredcompositenode.hh:128
Definition: accumulate_static.hh:12
OriginalChild::ConstStorage ConstStorage
The const storage type of the child.
Definition: filteredcompositenode.hh:137
const Child< k >::Type & child() const
Returns the i-th child (const version).
Definition: filteredcompositenode.hh:159
FilteredCompositeNode(shared_ptr< Node > node)
Initialize the CompositeNode with copies of the passed in Storage objects.
Definition: filteredcompositenode.hh:257
Tag designating a composite node.
Definition: nodetags.hh:22
FilteredCompositeNode(Node &node)
Initialize the CompositeNode with a copy of the passed-in storage type.
Definition: filteredcompositenode.hh:262
enable_if< lazy_enable< k >::value, typename Child< k >::Type & >::type child()
Returns the i-th child.
Definition: filteredcompositenode.hh:149
shared_ptr< const Node > unfilteredStorage() const
Returns the storage object of the unfiltered node (const version).
Definition: filteredcompositenode.hh:244
Access to the type and storage type of the i-th child.
Definition: filteredcompositenode.hh:117
mapped_children::NodeStorage NodeStorage
The type used for storing the children.
Definition: filteredcompositenode.hh:98
OriginalChild::type type
The type of the child.
Definition: filteredcompositenode.hh:131
mapped_children::ChildTypes ChildTypes
A tuple storing the types of all children.
Definition: filteredcompositenode.hh:101
const Node & unfiltered() const
Returns the unfiltered node (const version).
Definition: filteredcompositenode.hh:224
void setChild(typename Child< k >::type &child, typename enable_if< lazy_enable< k >::value, void * >::type=0)
Sets the i-th child to the passed-in value.
Definition: filteredcompositenode.hh:190
Type
Definition: treepath.hh:25
enable_if< enabled, shared_ptr< Node > >::type unfilteredStorage()
Returns the storage object of the unfiltered node.
Definition: filteredcompositenode.hh:235
void setChild(typename Child< k >::storage_type child, typename enable_if< lazy_enable< k >::value, void * >::type=0)
Sets the storage of the i-th child to the passed-in value.
Definition: filteredcompositenode.hh:197
Child< k >::ConstStorage childStorage() const
Returns the storage of the i-th child (const version).
Definition: filteredcompositenode.hh:183
enable_if< enabled, Node & >::type unfiltered()
Returns the unfiltered node.
Definition: filteredcompositenode.hh:215
static const std::size_t CHILDREN
The number of children.
Definition: filteredcompositenode.hh:113
static const bool isLeaf
Mark this class as non leaf in the dune-typetree.
Definition: filteredcompositenode.hh:104
static const bool isComposite
Mark this class as a composite in the dune-typetree.
Definition: filteredcompositenode.hh:110