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| author | Alan Conway <aconway@apache.org> | 2008-06-04 19:26:44 +0000 |
|---|---|---|
| committer | Alan Conway <aconway@apache.org> | 2008-06-04 19:26:44 +0000 |
| commit | 9cc979c8c75fc85935f2905e4e6f67cc6b48a64b (patch) | |
| tree | 4606c06c225de3fc721d0434bf6626e73feba91b /cpp/src/qpid | |
| parent | 27b687803cfe614c6fcf641b5301e28ef492d0df (diff) | |
| download | qpid-python-9cc979c8c75fc85935f2905e4e6f67cc6b48a64b.tar.gz | |
Remove unused classes IList and ISList.
git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@663351 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'cpp/src/qpid')
| -rw-r--r-- | cpp/src/qpid/IList.h | 200 | ||||
| -rw-r--r-- | cpp/src/qpid/ISList.h | 178 |
2 files changed, 0 insertions, 378 deletions
diff --git a/cpp/src/qpid/IList.h b/cpp/src/qpid/IList.h deleted file mode 100644 index 6a5299862c..0000000000 --- a/cpp/src/qpid/IList.h +++ /dev/null @@ -1,200 +0,0 @@ -#ifndef QPID_ILIST_H -#define QPID_ILIST_H - -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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. - * - */ - -#include "ISList.h" - -namespace qpid { - -template <class> class IList; - -/** Base class for values (nodes) in an IList. - *@param raw or smart-pointer type to use for the "next" pointer. - * Using a smart pointer like shared_ptr or intrusive_ptr - * will automate memory management. - */ -template <class Pointer> class IListNode { - public: - typedef Pointer pointer; - typedef typename Pointee<Pointer>::type NodeType; - typedef typename pointer_to_other<Pointer, const NodeType>::type const_pointer; - - pointer prev, next; - - protected: - IListNode() : prev() {} - IListNode(const IListNode&) {} // Don't copy next/prev pointers - - pointer getNext() { return next; } - const_pointer getNext() const { return next; } - pointer getPrev() { return prev; } - const_pointer getPrev() const { return prev; } - - private: - friend class IList<NodeType>; -}; - - -/** - * Intrusive doubly-linked list. - * - * Provides bidirectional iterator and constant time insertion - * at front and back. - * - * The list itself performs no memory management. Use a smart pointer - * as the pointer type (e.g. intrusive_ptr, shared_ptr) for automated - * memory management. - * - * Unlike standard containers insert(), push_front() and push_back() - * take const pointer& rather than const value_type&. - * - * Iterators can be converted to the pointer type. - * - * Noncopyable - intrusively linked nodes cannot be shared between - * lists. Does provide swap() - * - * @param Node value type for the list, must derive from ISListNode<>. - */ -template<class Node> class IList { - template <class> class Iterator; - public: - typedef Node value_type; - typedef typename Node::pointer pointer; - typedef typename Node::const_pointer const_pointer; - typedef value_type& reference; - typedef const value_type& const_reference; - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef Iterator<value_type> iterator; - typedef Iterator<const value_type> const_iterator; - - IList() : begin_(), last_() {} - - iterator begin() { return begin_; } - const_iterator begin() const { return begin_; } - iterator end() { return 0; } - const_iterator end() const { return 0; } - - bool empty() const { return begin() == end(); } - - size_type size() const { - int s = 0; - for (const_iterator i=begin(); i != end(); ++i) - ++s; - return s; - } - - void swap(IList &x) { swap(begin_, x.begin_); swap(last_, x.last_); } - - iterator insert(iterator i, const pointer& p) { - if (empty()) { - begin_ = last_ = p; - insert(0, p, 0); - } - else if (i) { - insert(i->prev, p, i); - if (i == begin_) --begin_; - } - else { - insert(last_, p, 0) ; - last_ = p; - } - return p; - } - - void erase(iterator i) { - if (begin_ == last_) - begin_ = last_ = 0; - else { - if (i == begin_) ++begin_; - else i->prev->next = i->next; - if (i == last_) --last_; - else i->next->prev = i->prev; - } - i->prev = i->next = pointer(0); - } - - void erase(iterator i, iterator j) { while(i != j) erase(i); } - void clear() { while (!empty()) { erase(begin()); } } - - reference front() { return *begin(); } - const_reference front() const { return *begin(); } - void push_front(const pointer& p) { insert(begin(), p); } - void pop_front() { erase(begin()); } - - /** Iterator to the last element in the list. */ - iterator last() { return last_; } - const_iterator last() const { return last_; } - - reference back() { return *last(); } - const_reference back() const { return *last(); } - void push_back(const pointer& p) { insert(end(), p); } - void pop_back() { erase(last()); } - - private: - void insert(pointer a, pointer b, pointer c) { - b->prev = a; - if (a) a->next = b; - b->next = c; - if (c) c->prev = b; - } - - template <class T> - class Iterator : public boost::iterator_facade< - Iterator<T>, T, boost::bidirectional_traversal_tag> - { - public: - Iterator() : ptr() {}; - - template <class U> Iterator( - const Iterator<U>& i, - typename boost::enable_if_convertible<U*, T*>::type* = 0 - ) : ptr(i.ptr) {} - - operator pointer() { return ptr; } - operator const_pointer() const { return ptr; } - - - pointer ptr; - - - private: - friend class boost::iterator_core_access; - - Iterator(const_pointer p) : ptr(const_cast<pointer>(p)) {}; - - T& dereference() const { return *ptr; } - void increment() { ptr = ptr->next; } - void decrement() { ptr = ptr->prev; } - bool equal(const Iterator& x) const { return ptr == x.ptr; } - - - friend class IList<Node>; - }; - - iterator begin_, last_; -}; - -} // namespace qpid - -#endif /*!QPID_ILIST_H*/ diff --git a/cpp/src/qpid/ISList.h b/cpp/src/qpid/ISList.h deleted file mode 100644 index b0004c9561..0000000000 --- a/cpp/src/qpid/ISList.h +++ /dev/null @@ -1,178 +0,0 @@ -#ifndef QPID_ISLIST_H -#define QPID_ISLIST_H - -/* - * - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you 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. - * - */ - -#include <boost/iterator/iterator_adaptor.hpp> -#include <boost/noncopyable.hpp> -#include "pointer_to_other.h" - -namespace qpid { - -template <class Pointer> struct Pointee { - typedef typename Pointer::element_type type; -}; - -template <class T> struct Pointee<T*> { - typedef T type; -}; - -template <class> class ISList; -template <class> class IList; - -/** Base class for values (nodes) in an ISList. - *@param raw or smart-pointer type to use for the "next" pointer. - * Using a smart pointer like shared_ptr or intrusive_ptr - * will automate memory management. - */ -template <class Pointer> class ISListNode { - public: - typedef Pointer pointer; - typedef typename Pointee<Pointer>::type NodeType; - typedef typename pointer_to_other<Pointer, const NodeType>::type const_pointer; - - pointer getNext() { return next; } - pointer * getNextPtr() { return & next; } - const_pointer getNext() const { return next; } - - protected: - ISListNode() : next() {} - ISListNode(const ISListNode&) {} // Don't copy the next pointer. - - - private: - pointer next; - friend class ISList<NodeType>; -}; - - -/** - * Intrusive singly-linked list. - * - * Provides forward iterator, constant time insertion and constant - * time pop_front (but not pop_back) so makes a good queue - * implementation. - * - * Unlike standard containers insert(), push_front() and push_back() - * take const pointer& rather than const value_type&. - * - * Iterators can be converted to pointers. - * - * Noncopyable - intrusively linked nodes cannot be shared. - * - * @param Node value type for the list, must derive from ISListNode<T>. - */ -template <class Node> class ISList : private boost::noncopyable { - template <class> class Iterator; - public: - typedef Node value_type; - typedef typename Node::pointer pointer; - typedef typename Node::const_pointer const_pointer; - typedef value_type& reference; - typedef const value_type& const_reference; - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef Iterator<value_type> iterator; - typedef Iterator<const value_type> const_iterator; - - ISList() : first(pointer()), end_(&first) {} - - iterator begin() { return iterator(&first); } - const_iterator begin() const { return const_iterator(&first); } - iterator end() { return end_; } - const_iterator end() const { return end_; } - - bool empty() const { return begin() == end(); } - - size_type size() const { - int s = 0; - for (const_iterator i=begin(); i != end(); ++i) - ++s; - return s; - } - - void swap(ISList &x) { swap(first, x.first); swap(end_, x.end_); } - - /** Unlike standard containers, insert takes a const pointer&, not a - * const value_type&. The value is not copied, only linked into the list. - */ - iterator insert(iterator i, const pointer& p) { - p->next = *(i.pptr); - *(i.pptr) = p; - if (i==end_) ++end_; - return i; - } - - void erase(iterator i) { - if (&i->next == end_.pptr) - end_ = i; - *(i.pptr) = (**(i.pptr)).next; - } - - void erase(iterator i, iterator j) { while(i != j) erase(i); } - void clear() { while (!empty()) { erase(begin()); } } - - reference front() { return *begin(); } - const_reference front() const { return *begin(); } - void pop_front() { erase(begin()); } - void push_front(pointer x) { insert(begin(), x); } - - void push_back(pointer x) { insert(end(), x); } - - private: - template <class T> - class Iterator : public boost::iterator_facade < - Iterator<T>, T, boost::forward_traversal_tag> - { - public: - Iterator() {}; - - template <class U> Iterator( - const Iterator<U>& i, - typename boost::enable_if_convertible<U*, T*>::type* = 0 - ) : pptr(i.pptr) {} - - operator pointer() { return *pptr; } - operator const_pointer() const { return *pptr; } - pointer* pptr; - - private: - friend class boost::iterator_core_access; - - Iterator(const pointer* pp) : pptr(const_cast<pointer*>(pp)) {}; - - T& dereference() const { return **pptr; } - void increment() { pptr = (**pptr).getNextPtr(); } - bool equal(const Iterator& x) const { return pptr == x.pptr; } - - - friend class ISList<Node>; - }; - - private: - pointer first; - iterator end_; -}; - -} // namespace qpid - -#endif /*!QPID_ISLIST_H*/ |
