Program Listing for File simple_hash_table-inl.h
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#ifndef HPP_FCL_BROADPHASE_SIMPLEHASHTABLE_INL_H
#define HPP_FCL_BROADPHASE_SIMPLEHASHTABLE_INL_H
#include "hpp/fcl/broadphase/detail/simple_hash_table.h"
#include <iterator>
namespace hpp {
namespace fcl {
namespace detail {
//==============================================================================
template <typename Key, typename Data, typename HashFnc>
SimpleHashTable<Key, Data, HashFnc>::SimpleHashTable(const HashFnc& h) : h_(h) {
// Do nothing
}
//==============================================================================
template <typename Key, typename Data, typename HashFnc>
void SimpleHashTable<Key, Data, HashFnc>::init(size_t size) {
if (size == 0) {
HPP_FCL_THROW_PRETTY("SimpleHashTable must have non-zero size.",
std::logic_error);
}
table_.resize(size);
table_size_ = size;
}
//==============================================================================
template <typename Key, typename Data, typename HashFnc>
void SimpleHashTable<Key, Data, HashFnc>::insert(Key key, Data value) {
std::vector<unsigned int> indices = h_(key);
size_t range = table_.size();
for (size_t i = 0; i < indices.size(); ++i)
table_[indices[i] % range].push_back(value);
}
//==============================================================================
template <typename Key, typename Data, typename HashFnc>
std::vector<Data> SimpleHashTable<Key, Data, HashFnc>::query(Key key) const {
size_t range = table_.size();
std::vector<unsigned int> indices = h_(key);
std::set<Data> result;
for (size_t i = 0; i < indices.size(); ++i) {
size_t index = indices[i] % range;
std::copy(table_[index].begin(), table_[index].end(),
std::inserter(result, result.end()));
}
return std::vector<Data>(result.begin(), result.end());
}
//==============================================================================
template <typename Key, typename Data, typename HashFnc>
void SimpleHashTable<Key, Data, HashFnc>::remove(Key key, Data value) {
size_t range = table_.size();
std::vector<unsigned int> indices = h_(key);
for (size_t i = 0; i < indices.size(); ++i) {
size_t index = indices[i] % range;
table_[index].remove(value);
}
}
//==============================================================================
template <typename Key, typename Data, typename HashFnc>
void SimpleHashTable<Key, Data, HashFnc>::clear() {
table_.clear();
table_.resize(table_size_);
}
} // namespace detail
} // namespace fcl
} // namespace hpp
#endif