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authorDaniel Wilhelm <shieldwed@outlook.com>2017-04-20 16:55:28 -0600
committerDaniel Wilhelm <shieldwed@outlook.com>2017-04-20 16:59:56 -0600
commit823740e1ffa2b3bd39f8dea8062f5c5a0d9c741b (patch)
tree63222010af3b90a36f29c1c9c360116973cdff38 /zen/fixed_list.h
parentadd .gitattributes for less line ending hassles (diff)
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normalize most lineendings
Diffstat (limited to 'zen/fixed_list.h')
-rwxr-xr-xzen/fixed_list.h478
1 files changed, 239 insertions, 239 deletions
diff --git a/zen/fixed_list.h b/zen/fixed_list.h
index e143c7b7..27eb488c 100755
--- a/zen/fixed_list.h
+++ b/zen/fixed_list.h
@@ -1,239 +1,239 @@
-// *****************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under *
-// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 *
-// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
-// *****************************************************************************
-
-#ifndef FIXED_LIST_H_01238467085684139453534
-#define FIXED_LIST_H_01238467085684139453534
-
-#include <cassert>
-#include <iterator>
-#include "stl_tools.h"
-
-namespace zen
-{
-//std::list(C++11)-like class for inplace element construction supporting non-copyable/non-movable types
-//-> no iterator invalidation after emplace_back()
-
-template <class T>
-class FixedList
-{
- struct Node
- {
- template <class... Args>
- Node(Args&& ... args) : val(std::forward<Args>(args)...) {}
-
- Node* next = nullptr; //singly-linked list is sufficient
- T val;
- };
-
-public:
- FixedList() {}
-
- ~FixedList() { clear(); }
-
- template <class NodeT, class U>
- class FixedIterator : public std::iterator<std::forward_iterator_tag, U>
- {
- public:
- FixedIterator(NodeT* it = nullptr) : it_(it) {}
- FixedIterator& operator++() { it_ = it_->next; return *this; }
- inline friend bool operator==(const FixedIterator& lhs, const FixedIterator& rhs) { return lhs.it_ == rhs.it_; }
- inline friend bool operator!=(const FixedIterator& lhs, const FixedIterator& rhs) { return !(lhs == rhs); }
- U& operator* () const { return it_->val; }
- U* operator->() const { return &it_->val; }
- private:
- NodeT* it_;
- };
-
- using value_type = T;
- using iterator = FixedIterator< Node, T>;
- using const_iterator = FixedIterator<const Node, const T>;
- using reference = T&;
- using const_reference = const T&;
-
- iterator begin() { return firstInsert_; }
- iterator end () { return iterator(); }
-
- const_iterator begin() const { return firstInsert_; }
- const_iterator end () const { return const_iterator(); }
-
- //const_iterator cbegin() const { return firstInsert_; }
- //const_iterator cend () const { return const_iterator(); }
-
- reference front() { return firstInsert_->val; }
- const_reference front() const { return firstInsert_->val; }
-
- reference& back() { return lastInsert_->val; }
- const_reference& back() const { return lastInsert_->val; }
-
- template <class... Args>
- void emplace_back(Args&& ... args)
- {
- Node* newNode = new Node(std::forward<Args>(args)...);
-
- if (!lastInsert_)
- {
- assert(!firstInsert_ && sz_ == 0);
- firstInsert_ = lastInsert_ = newNode;
- }
- else
- {
- assert(lastInsert_->next == nullptr);
- lastInsert_->next = newNode;
- lastInsert_ = newNode;
- }
- ++sz_;
- }
-
- template <class Predicate>
- void remove_if(Predicate pred)
- {
- Node* prev = nullptr;
- Node* ptr = firstInsert_;
-
- while (ptr)
- if (pred(ptr->val))
- {
- Node* next = ptr->next;
-
- delete ptr;
- assert(sz_ > 0);
- --sz_;
-
- ptr = next;
-
- if (prev)
- prev->next = next;
- else
- firstInsert_ = next;
- if (!next)
- lastInsert_ = prev;
- }
- else
- {
- prev = ptr;
- ptr = ptr->next;
- }
- }
-
- void clear()
- {
- Node* ptr = firstInsert_;
- while (ptr)
- {
- Node* next = ptr->next;
- delete ptr;
- ptr = next;
- }
-
- sz_ = 0;
- firstInsert_ = lastInsert_ = nullptr;
- }
-
- bool empty() const { return sz_ == 0; }
-
- size_t size() const { return sz_; }
-
- void swap(FixedList& other)
- {
- std::swap(firstInsert_, other.firstInsert_);
- std::swap(lastInsert_, other.lastInsert_);
- std::swap(sz_, other.sz_);
- }
-
-private:
- FixedList (const FixedList&) = delete;
- FixedList& operator=(const FixedList&) = delete;
-
- Node* firstInsert_ = nullptr;
- Node* lastInsert_ = nullptr; //point to last insertion; required by efficient emplace_back()
- size_t sz_ = 0;
-};
-
-
-//just as fast as FixedList, but simpler, more CPU-cache-friendly => superseeds FixedList!
-template <class T>
-class FixedVector
-{
-public:
- FixedVector() {}
-
- /*
- class EndIterator {}; //just like FixedList: no iterator invalidation after emplace_back()
-
- template <class V>
- class FixedIterator : public std::iterator<std::forward_iterator_tag, V> //could make this random-access if needed
- {
- public:
- FixedIterator(std::vector<std::unique_ptr<T>>& cont, size_t pos) : cont_(cont), pos_(pos) {}
- FixedIterator& operator++() { ++pos_; return *this; }
- inline friend bool operator==(const FixedIterator& lhs, EndIterator) { return lhs.pos_ == lhs.cont_.size(); }
- inline friend bool operator!=(const FixedIterator& lhs, EndIterator) { return !(lhs == EndIterator()); }
- V& operator* () const { return *cont_[pos_]; }
- V* operator->() const { return &*cont_[pos_]; }
- private:
- std::vector<std::unique_ptr<T>>& cont_;
- size_t pos_ = 0;
- };
- */
-
- template <class IterImpl, class V>
- class FixedIterator : public std::iterator<std::forward_iterator_tag, V> //could make this bidirectional if needed
- {
- public:
- FixedIterator(IterImpl it) : it_(it) {}
- FixedIterator& operator++() { ++it_; return *this; }
- inline friend bool operator==(const FixedIterator& lhs, const FixedIterator& rhs) { return lhs.it_ == rhs.it_; }
- inline friend bool operator!=(const FixedIterator& lhs, const FixedIterator& rhs) { return !(lhs == rhs); }
- V& operator* () const { return **it_; }
- V* operator->() const { return &** it_; }
- private:
- IterImpl it_; //TODO: avoid iterator invalidation after emplace_back(); caveat: end() must not store old length!
- };
-
- using value_type = T;
- using iterator = FixedIterator<typename std::vector<std::unique_ptr<T>>::iterator, T>;
- using const_iterator = FixedIterator<typename std::vector<std::unique_ptr<T>>::const_iterator, const T>;
- using reference = T&;
- using const_reference = const T&;
-
- iterator begin() { return items_.begin(); }
- iterator end () { return items_.end (); }
-
- const_iterator begin() const { return items_.begin(); }
- const_iterator end () const { return items_.end (); }
-
- reference front() { return *items_.front(); }
- const_reference front() const { return *items_.front(); }
-
- reference& back() { return *items_.back(); }
- const_reference& back() const { return *items_.back(); }
-
- template <class... Args>
- void emplace_back(Args&& ... args)
- {
- items_.push_back(std::make_unique<T>(std::forward<Args>(args)...));
- }
-
- template <class Predicate>
- void remove_if(Predicate pred)
- {
- erase_if(items_, [&](const std::unique_ptr<T>& p) { return pred(*p); });
- }
-
- void clear() { items_.clear(); }
- bool empty() const { return items_.empty(); }
- size_t size () const { return items_.size(); }
- void swap(FixedVector& other) { items_.swap(other.items_); }
-
-private:
- FixedVector (const FixedVector&) = delete;
- FixedVector& operator=(const FixedVector&) = delete;
-
- std::vector<std::unique_ptr<T>> items_;
-};
-}
-
-#endif //FIXED_LIST_H_01238467085684139453534
+// *****************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 *
+// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
+// *****************************************************************************
+
+#ifndef FIXED_LIST_H_01238467085684139453534
+#define FIXED_LIST_H_01238467085684139453534
+
+#include <cassert>
+#include <iterator>
+#include "stl_tools.h"
+
+namespace zen
+{
+//std::list(C++11)-like class for inplace element construction supporting non-copyable/non-movable types
+//-> no iterator invalidation after emplace_back()
+
+template <class T>
+class FixedList
+{
+ struct Node
+ {
+ template <class... Args>
+ Node(Args&& ... args) : val(std::forward<Args>(args)...) {}
+
+ Node* next = nullptr; //singly-linked list is sufficient
+ T val;
+ };
+
+public:
+ FixedList() {}
+
+ ~FixedList() { clear(); }
+
+ template <class NodeT, class U>
+ class FixedIterator : public std::iterator<std::forward_iterator_tag, U>
+ {
+ public:
+ FixedIterator(NodeT* it = nullptr) : it_(it) {}
+ FixedIterator& operator++() { it_ = it_->next; return *this; }
+ inline friend bool operator==(const FixedIterator& lhs, const FixedIterator& rhs) { return lhs.it_ == rhs.it_; }
+ inline friend bool operator!=(const FixedIterator& lhs, const FixedIterator& rhs) { return !(lhs == rhs); }
+ U& operator* () const { return it_->val; }
+ U* operator->() const { return &it_->val; }
+ private:
+ NodeT* it_;
+ };
+
+ using value_type = T;
+ using iterator = FixedIterator< Node, T>;
+ using const_iterator = FixedIterator<const Node, const T>;
+ using reference = T&;
+ using const_reference = const T&;
+
+ iterator begin() { return firstInsert_; }
+ iterator end () { return iterator(); }
+
+ const_iterator begin() const { return firstInsert_; }
+ const_iterator end () const { return const_iterator(); }
+
+ //const_iterator cbegin() const { return firstInsert_; }
+ //const_iterator cend () const { return const_iterator(); }
+
+ reference front() { return firstInsert_->val; }
+ const_reference front() const { return firstInsert_->val; }
+
+ reference& back() { return lastInsert_->val; }
+ const_reference& back() const { return lastInsert_->val; }
+
+ template <class... Args>
+ void emplace_back(Args&& ... args)
+ {
+ Node* newNode = new Node(std::forward<Args>(args)...);
+
+ if (!lastInsert_)
+ {
+ assert(!firstInsert_ && sz_ == 0);
+ firstInsert_ = lastInsert_ = newNode;
+ }
+ else
+ {
+ assert(lastInsert_->next == nullptr);
+ lastInsert_->next = newNode;
+ lastInsert_ = newNode;
+ }
+ ++sz_;
+ }
+
+ template <class Predicate>
+ void remove_if(Predicate pred)
+ {
+ Node* prev = nullptr;
+ Node* ptr = firstInsert_;
+
+ while (ptr)
+ if (pred(ptr->val))
+ {
+ Node* next = ptr->next;
+
+ delete ptr;
+ assert(sz_ > 0);
+ --sz_;
+
+ ptr = next;
+
+ if (prev)
+ prev->next = next;
+ else
+ firstInsert_ = next;
+ if (!next)
+ lastInsert_ = prev;
+ }
+ else
+ {
+ prev = ptr;
+ ptr = ptr->next;
+ }
+ }
+
+ void clear()
+ {
+ Node* ptr = firstInsert_;
+ while (ptr)
+ {
+ Node* next = ptr->next;
+ delete ptr;
+ ptr = next;
+ }
+
+ sz_ = 0;
+ firstInsert_ = lastInsert_ = nullptr;
+ }
+
+ bool empty() const { return sz_ == 0; }
+
+ size_t size() const { return sz_; }
+
+ void swap(FixedList& other)
+ {
+ std::swap(firstInsert_, other.firstInsert_);
+ std::swap(lastInsert_, other.lastInsert_);
+ std::swap(sz_, other.sz_);
+ }
+
+private:
+ FixedList (const FixedList&) = delete;
+ FixedList& operator=(const FixedList&) = delete;
+
+ Node* firstInsert_ = nullptr;
+ Node* lastInsert_ = nullptr; //point to last insertion; required by efficient emplace_back()
+ size_t sz_ = 0;
+};
+
+
+//just as fast as FixedList, but simpler, more CPU-cache-friendly => superseeds FixedList!
+template <class T>
+class FixedVector
+{
+public:
+ FixedVector() {}
+
+ /*
+ class EndIterator {}; //just like FixedList: no iterator invalidation after emplace_back()
+
+ template <class V>
+ class FixedIterator : public std::iterator<std::forward_iterator_tag, V> //could make this random-access if needed
+ {
+ public:
+ FixedIterator(std::vector<std::unique_ptr<T>>& cont, size_t pos) : cont_(cont), pos_(pos) {}
+ FixedIterator& operator++() { ++pos_; return *this; }
+ inline friend bool operator==(const FixedIterator& lhs, EndIterator) { return lhs.pos_ == lhs.cont_.size(); }
+ inline friend bool operator!=(const FixedIterator& lhs, EndIterator) { return !(lhs == EndIterator()); }
+ V& operator* () const { return *cont_[pos_]; }
+ V* operator->() const { return &*cont_[pos_]; }
+ private:
+ std::vector<std::unique_ptr<T>>& cont_;
+ size_t pos_ = 0;
+ };
+ */
+
+ template <class IterImpl, class V>
+ class FixedIterator : public std::iterator<std::forward_iterator_tag, V> //could make this bidirectional if needed
+ {
+ public:
+ FixedIterator(IterImpl it) : it_(it) {}
+ FixedIterator& operator++() { ++it_; return *this; }
+ inline friend bool operator==(const FixedIterator& lhs, const FixedIterator& rhs) { return lhs.it_ == rhs.it_; }
+ inline friend bool operator!=(const FixedIterator& lhs, const FixedIterator& rhs) { return !(lhs == rhs); }
+ V& operator* () const { return **it_; }
+ V* operator->() const { return &** it_; }
+ private:
+ IterImpl it_; //TODO: avoid iterator invalidation after emplace_back(); caveat: end() must not store old length!
+ };
+
+ using value_type = T;
+ using iterator = FixedIterator<typename std::vector<std::unique_ptr<T>>::iterator, T>;
+ using const_iterator = FixedIterator<typename std::vector<std::unique_ptr<T>>::const_iterator, const T>;
+ using reference = T&;
+ using const_reference = const T&;
+
+ iterator begin() { return items_.begin(); }
+ iterator end () { return items_.end (); }
+
+ const_iterator begin() const { return items_.begin(); }
+ const_iterator end () const { return items_.end (); }
+
+ reference front() { return *items_.front(); }
+ const_reference front() const { return *items_.front(); }
+
+ reference& back() { return *items_.back(); }
+ const_reference& back() const { return *items_.back(); }
+
+ template <class... Args>
+ void emplace_back(Args&& ... args)
+ {
+ items_.push_back(std::make_unique<T>(std::forward<Args>(args)...));
+ }
+
+ template <class Predicate>
+ void remove_if(Predicate pred)
+ {
+ erase_if(items_, [&](const std::unique_ptr<T>& p) { return pred(*p); });
+ }
+
+ void clear() { items_.clear(); }
+ bool empty() const { return items_.empty(); }
+ size_t size () const { return items_.size(); }
+ void swap(FixedVector& other) { items_.swap(other.items_); }
+
+private:
+ FixedVector (const FixedVector&) = delete;
+ FixedVector& operator=(const FixedVector&) = delete;
+
+ std::vector<std::unique_ptr<T>> items_;
+};
+}
+
+#endif //FIXED_LIST_H_01238467085684139453534
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