| /* |
| * Copyright 2014 Google Inc. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SEMISTATIC_GRAPH_DEFN_H |
| #define SEMISTATIC_GRAPH_DEFN_H |
| |
| #include <fruit/impl/data_structures/semistatic_graph.h> |
| |
| namespace fruit { |
| namespace impl { |
| |
| inline bool SemistaticGraphInternalNodeId::operator==(const SemistaticGraphInternalNodeId& x) const { |
| return id == x.id; |
| } |
| |
| inline bool SemistaticGraphInternalNodeId::operator<(const SemistaticGraphInternalNodeId& x) const { |
| return id < x.id; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline SemistaticGraph<NodeId, Node>::node_iterator::node_iterator(NodeData* itr) : itr(itr) {} |
| |
| template <typename NodeId, typename Node> |
| inline Node& SemistaticGraph<NodeId, Node>::node_iterator::getNode() { |
| FruitAssert(itr->edges_begin != 1); |
| return itr->node; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline bool SemistaticGraph<NodeId, Node>::node_iterator::isTerminal() { |
| FruitAssert(itr->edges_begin != 1); |
| return itr->edges_begin == 0; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline void SemistaticGraph<NodeId, Node>::node_iterator::setTerminal() { |
| FruitAssert(itr->edges_begin != 1); |
| itr->edges_begin = 0; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline bool SemistaticGraph<NodeId, Node>::node_iterator::operator==(const node_iterator& other) const { |
| return itr == other.itr; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline SemistaticGraph<NodeId, Node>::const_node_iterator::const_node_iterator(const NodeData* itr) : itr(itr) {} |
| |
| template <typename NodeId, typename Node> |
| inline const Node& SemistaticGraph<NodeId, Node>::const_node_iterator::getNode() { |
| FruitAssert(itr->edges_begin != 1); |
| return itr->node; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline bool SemistaticGraph<NodeId, Node>::const_node_iterator::isTerminal() { |
| FruitAssert(itr->edges_begin != 1); |
| return itr->edges_begin == 0; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline bool SemistaticGraph<NodeId, Node>::const_node_iterator::operator==(const const_node_iterator& other) const { |
| return itr == other.itr; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::edge_iterator |
| SemistaticGraph<NodeId, Node>::node_iterator::neighborsBegin() { |
| FruitAssert(itr->edges_begin != 0); |
| FruitAssert(itr->edges_begin != 1); |
| return edge_iterator{reinterpret_cast<InternalNodeId*>(itr->edges_begin)}; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline SemistaticGraph<NodeId, Node>::edge_iterator::edge_iterator(InternalNodeId* itr) : itr(itr) {} |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::node_iterator |
| SemistaticGraph<NodeId, Node>::edge_iterator::getNodeIterator(node_iterator nodes_begin) { |
| return node_iterator{nodeAtId(nodes_begin.itr, *itr)}; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline void SemistaticGraph<NodeId, Node>::edge_iterator::operator++() { |
| ++itr; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::node_iterator |
| SemistaticGraph<NodeId, Node>::edge_iterator::getNodeIterator(std::size_t i, node_iterator nodes_begin) { |
| itr += i; |
| return getNodeIterator(nodes_begin); |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::node_iterator SemistaticGraph<NodeId, Node>::begin() { |
| return node_iterator{nodes.begin()}; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::node_iterator SemistaticGraph<NodeId, Node>::end() { |
| return node_iterator{nodes.end()}; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::const_node_iterator SemistaticGraph<NodeId, Node>::end() const { |
| return const_node_iterator{nodes.end()}; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::node_iterator SemistaticGraph<NodeId, Node>::at(NodeId nodeId) { |
| InternalNodeId internalNodeId = node_index_map.at(nodeId); |
| return node_iterator{nodeAtId(internalNodeId)}; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::const_node_iterator |
| SemistaticGraph<NodeId, Node>::find(NodeId nodeId) const { |
| const InternalNodeId* internalNodeIdPtr = node_index_map.find(nodeId); |
| if (internalNodeIdPtr == nullptr) { |
| return const_node_iterator{nodes.end()}; |
| } else { |
| const NodeData* p = nodeAtId(*internalNodeIdPtr); |
| if (p->edges_begin == 1) { |
| return const_node_iterator{nodes.end()}; |
| } |
| return const_node_iterator{p}; |
| } |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::node_iterator SemistaticGraph<NodeId, Node>::find(NodeId nodeId) { |
| const InternalNodeId* internalNodeIdPtr = node_index_map.find(nodeId); |
| if (internalNodeIdPtr == nullptr) { |
| return node_iterator{nodes.end()}; |
| } else { |
| NodeData* p = nodeAtId(*internalNodeIdPtr); |
| if (p->edges_begin == 1) { |
| return node_iterator{nodes.end()}; |
| } |
| return node_iterator{p}; |
| } |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::NodeData* |
| SemistaticGraph<NodeId, Node>::nodeAtId(InternalNodeId internalNodeId) { |
| return nodeAtId(nodes.data(), internalNodeId); |
| } |
| |
| template <typename NodeId, typename Node> |
| inline const typename SemistaticGraph<NodeId, Node>::NodeData* |
| SemistaticGraph<NodeId, Node>::nodeAtId(InternalNodeId internalNodeId) const { |
| return nodeAtId(nodes.data(), internalNodeId); |
| } |
| |
| template <typename NodeId, typename Node> |
| inline typename SemistaticGraph<NodeId, Node>::NodeData* |
| SemistaticGraph<NodeId, Node>::nodeAtId(NodeData* nodes_begin, InternalNodeId internalNodeId) { |
| FruitAssert(internalNodeId.id % sizeof(NodeData) == 0); |
| NodeData* p = reinterpret_cast<NodeData*>(reinterpret_cast<char*>(nodes_begin) + internalNodeId.id); |
| // The code above is faster (the compiler doesn't have to worry about internalNodeId.id%sizeof(NodeData), that we know |
| // to be 0). |
| FruitAssert(p == nodes_begin + internalNodeId.id / sizeof(NodeData)); |
| return p; |
| } |
| |
| template <typename NodeId, typename Node> |
| inline const typename SemistaticGraph<NodeId, Node>::NodeData* |
| SemistaticGraph<NodeId, Node>::nodeAtId(const NodeData* nodes_begin, InternalNodeId internalNodeId) { |
| FruitAssert(internalNodeId.id % sizeof(NodeData) == 0); |
| const NodeData* p = reinterpret_cast<const NodeData*>(reinterpret_cast<const char*>(nodes_begin) + internalNodeId.id); |
| // The code above is faster (the compiler doesn't have to worry about internalNodeId.id%sizeof(NodeData), that we know |
| // to be 0). |
| FruitAssert(p == nodes_begin + internalNodeId.id / sizeof(NodeData)); |
| return p; |
| } |
| |
| } // namespace impl |
| } // namespace fruit |
| |
| #endif // SEMISTATIC_GRAPH_INLINES_H |