1124 lines
32 KiB
C++
1124 lines
32 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop version of Telegram messaging app, see https://telegram.org
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Telegram Desktop is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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It is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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In addition, as a special exception, the copyright holders give permission
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to link the code of portions of this program with the OpenSSL library.
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Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
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Copyright (c) 2014-2016 John Preston, https://desktop.telegram.org
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*/
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#pragma once
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template <typename T>
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void deleteAndMark(T *&link) {
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delete link;
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link = reinterpret_cast<T*>(0x00000BAD);
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}
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template <typename T>
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T *getPointerAndReset(T *&ptr) {
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T *result = nullptr;
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qSwap(result, ptr);
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return result;
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}
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struct NullType {
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};
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// ordered set template based on QMap
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template <typename T>
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class OrderedSet {
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typedef OrderedSet<T> Self;
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typedef QMap<T, NullType> Impl;
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typedef typename Impl::iterator IteratorImpl;
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typedef typename Impl::const_iterator ConstIteratorImpl;
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Impl impl_;
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public:
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inline bool operator==(const Self &other) const { return impl_ == other.impl_; }
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inline bool operator!=(const Self &other) const { return impl_ != other.impl_; }
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inline int size() const { return impl_.size(); }
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inline bool isEmpty() const { return impl_.isEmpty(); }
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inline void detach() { return impl_.detach(); }
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inline bool isDetached() const { return impl_.isDetached(); }
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inline void clear() { return impl_.clear(); }
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inline QList<T> values() const { return impl_.keys(); }
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inline const T &first() const { return impl_.firstKey(); }
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inline const T &last() const { return impl_.lastKey(); }
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class const_iterator;
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class iterator {
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public:
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typedef typename IteratorImpl::iterator_category iterator_category;
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typedef typename IteratorImpl::difference_type difference_type;
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typedef T value_type;
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typedef T *pointer;
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typedef T &reference;
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explicit iterator(const IteratorImpl &impl) : impl_(impl) {
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}
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inline const T &operator*() const { return impl_.key(); }
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inline const T *operator->() const { return &impl_.key(); }
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inline bool operator==(const iterator &other) const { return impl_ == other.impl_; }
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inline bool operator!=(const iterator &other) const { return impl_ != other.impl_; }
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inline iterator &operator++() { ++impl_; return *this; }
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inline iterator operator++(int) { return iterator(impl_++); }
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inline iterator &operator--() { --impl_; return *this; }
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inline iterator operator--(int) { return iterator(impl_--); }
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inline iterator operator+(int j) const { return iterator(impl_ + j); }
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inline iterator operator-(int j) const { return iterator(impl_ - j); }
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inline iterator &operator+=(int j) { impl_ += j; return *this; }
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inline iterator &operator-=(int j) { impl_ -= j; return *this; }
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friend class const_iterator;
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inline bool operator==(const const_iterator &other) const { return impl_ == other.impl_; }
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inline bool operator!=(const const_iterator &other) const { return impl_ != other.impl_; }
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private:
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IteratorImpl impl_;
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friend class OrderedSet<T>;
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};
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friend class iterator;
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class const_iterator {
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public:
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typedef typename IteratorImpl::iterator_category iterator_category;
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typedef typename IteratorImpl::difference_type difference_type;
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typedef T value_type;
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typedef T *pointer;
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typedef T &reference;
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explicit const_iterator(const ConstIteratorImpl &impl) : impl_(impl) {
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}
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inline const T &operator*() const { return impl_.key(); }
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inline const T *operator->() const { return &impl_.key(); }
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inline bool operator==(const const_iterator &other) const { return impl_ == other.impl_; }
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inline bool operator!=(const const_iterator &other) const { return impl_ != other.impl_; }
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inline const_iterator &operator++() { ++impl_; return *this; }
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inline const_iterator operator++(int) { return const_iterator(impl_++); }
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inline const_iterator &operator--() { --impl_; return *this; }
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inline const_iterator operator--(int) { return const_iterator(impl_--); }
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inline const_iterator operator+(int j) const { return const_iterator(impl_ + j); }
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inline const_iterator operator-(int j) const { return const_iterator(impl_ - j); }
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inline const_iterator &operator+=(int j) { impl_ += j; return *this; }
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inline const_iterator &operator-=(int j) { impl_ -= j; return *this; }
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friend class iterator;
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inline bool operator==(const iterator &other) const { return impl_ == other.impl_; }
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inline bool operator!=(const iterator &other) const { return impl_ != other.impl_; }
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private:
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ConstIteratorImpl impl_;
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friend class OrderedSet<T>;
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};
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friend class const_iterator;
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// STL style
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inline iterator begin() { return iterator(impl_.begin()); }
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inline const_iterator begin() const { return const_iterator(impl_.cbegin()); }
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inline const_iterator constBegin() const { return const_iterator(impl_.cbegin()); }
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inline const_iterator cbegin() const { return const_iterator(impl_.cbegin()); }
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inline iterator end() { detach(); return iterator(impl_.end()); }
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inline const_iterator end() const { return const_iterator(impl_.cend()); }
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inline const_iterator constEnd() const { return const_iterator(impl_.cend()); }
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inline const_iterator cend() const { return const_iterator(impl_.cend()); }
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inline iterator erase(iterator it) { return iterator(impl_.erase(it.impl_)); }
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inline iterator insert(const T &value) { return iterator(impl_.insert(value, NullType())); }
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inline iterator insert(const_iterator pos, const T &value) { return iterator(impl_.insert(pos.impl_, value, NullType())); }
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inline int remove(const T &value) { return impl_.remove(value); }
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inline bool contains(const T &value) const { return impl_.contains(value); }
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// more Qt
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typedef iterator Iterator;
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typedef const_iterator ConstIterator;
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inline int count() const { return impl_.count(); }
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inline iterator find(const T &value) { return iterator(impl_.find(value)); }
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inline const_iterator find(const T &value) const { return const_iterator(impl_.constFind(value)); }
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inline const_iterator constFind(const T &value) const { return const_iterator(impl_.constFind(value)); }
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inline Self &unite(const Self &other) { impl_.unite(other.impl_); return *this; }
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// STL compatibility
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typedef typename Impl::difference_type difference_type;
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typedef typename Impl::size_type size_type;
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inline bool empty() const { return impl_.empty(); }
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};
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// thanks Chromium see https://blogs.msdn.microsoft.com/the1/2004/05/07/how-would-you-get-the-count-of-an-array-in-c-2/
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template <typename T, size_t N> char(&ArraySizeHelper(T(&array)[N]))[N];
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#define arraysize(array) (sizeof(ArraySizeHelper(array)))
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#define qsl(s) QStringLiteral(s)
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#define qstr(s) QLatin1String(s, sizeof(s) - 1)
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// using for_const instead of plain range-based for loop to ensure usage of const_iterator
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// it is important for the copy-on-write Qt containers
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// if you have "QVector<T*> v" then "for (T * const p : v)" will still call QVector::detach(),
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// while "for_const(T *p, v)" won't and "for_const(T *&p, v)" won't compile
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template <typename T>
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struct ForConstTraits {
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typedef const T &ExpressionType;
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};
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#define for_const(range_declaration, range_expression) for (range_declaration : static_cast<ForConstTraits<decltype(range_expression)>::ExpressionType>(range_expression))
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template <typename Enum>
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inline QFlags<Enum> qFlags(Enum v) {
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return QFlags<Enum>(v);
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}
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//typedef unsigned char uchar; // Qt has uchar
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typedef qint16 int16;
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typedef quint16 uint16;
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typedef qint32 int32;
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typedef quint32 uint32;
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typedef qint64 int64;
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typedef quint64 uint64;
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static const int32 ScrollMax = INT_MAX;
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extern uint64 _SharedMemoryLocation[];
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template <typename T, unsigned int N>
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T *SharedMemoryLocation() {
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static_assert(N < 4, "Only 4 shared memory locations!");
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return reinterpret_cast<T*>(_SharedMemoryLocation + N);
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}
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#ifdef Q_OS_WIN
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typedef float float32;
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typedef double float64;
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#else
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typedef float float32;
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typedef double float64;
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#endif
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#include <string>
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#include <exception>
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#include <QtCore/QReadWriteLock>
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#include <ctime>
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using std::string;
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using std::exception;
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using std::swap;
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// we copy some parts of C++11 std:: library, because on OS X 10.6+
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// version we can use C++11, but we can't use its library :(
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namespace std11 {
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template <typename T>
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struct remove_reference {
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typedef T type;
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};
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template <typename T>
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struct remove_reference<T&> {
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typedef T type;
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};
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template <typename T>
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struct remove_reference<T&&> {
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typedef T type;
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};
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template <typename T>
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inline typename remove_reference<T>::type &&move(T &&value) {
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return static_cast<typename remove_reference<T>::type&&>(value);
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}
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} // namespace std11
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#include "logs.h"
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static volatile int *t_assert_nullptr = 0;
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inline void t_noop() {}
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inline void t_assert_fail(const char *message, const char *file, int32 line) {
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QString info(qsl("%1 %2:%3").arg(message).arg(file).arg(line));
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LOG(("Assertion Failed! %1 %2:%3").arg(info));
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SignalHandlers::setAssertionInfo(info);
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*t_assert_nullptr = 0;
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}
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#define t_assert_full(condition, message, file, line) ((!(condition)) ? t_assert_fail(message, file, line) : t_noop())
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#define t_assert_c(condition, comment) t_assert_full(condition, "\"" #condition "\" (" comment ")", __FILE__, __LINE__)
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#define t_assert(condition) t_assert_full(condition, "\"" #condition "\"", __FILE__, __LINE__)
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class Exception : public exception {
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public:
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Exception(const QString &msg, bool isFatal = true) : _fatal(isFatal), _msg(msg.toUtf8()) {
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LOG(("Exception: %1").arg(msg));
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}
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bool fatal() const {
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return _fatal;
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}
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virtual const char *what() const throw() {
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return _msg.constData();
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}
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virtual ~Exception() throw() {
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}
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private:
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bool _fatal;
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QByteArray _msg;
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};
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class MTPint;
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typedef int32 TimeId;
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TimeId myunixtime();
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void unixtimeInit();
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void unixtimeSet(TimeId servertime, bool force = false);
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TimeId unixtime();
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TimeId fromServerTime(const MTPint &serverTime);
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uint64 msgid();
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int32 reqid();
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inline QDateTime date(int32 time = -1) {
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QDateTime result;
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if (time >= 0) result.setTime_t(time);
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return result;
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}
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inline QDateTime date(const MTPint &time) {
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return date(fromServerTime(time));
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}
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inline void mylocaltime(struct tm * _Tm, const time_t * _Time) {
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#ifdef Q_OS_WIN
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localtime_s(_Tm, _Time);
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#else
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localtime_r(_Time, _Tm);
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#endif
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}
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namespace ThirdParty {
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void start();
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void finish();
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}
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bool checkms(); // returns true if time has changed
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uint64 getms(bool checked = false);
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class SingleTimer : public QTimer { // single shot timer with check
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Q_OBJECT
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public:
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SingleTimer();
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void setSingleShot(bool); // is not available
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void start(); // is not available
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public slots:
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void start(int msec);
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void startIfNotActive(int msec);
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void adjust() {
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uint64 n = getms(true);
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if (isActive()) {
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if (n >= _finishing) {
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start(0);
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} else {
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start(_finishing - n);
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}
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}
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}
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private:
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uint64 _finishing;
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bool _inited;
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};
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const static uint32 _md5_block_size = 64;
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class HashMd5 {
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public:
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HashMd5(const void *input = 0, uint32 length = 0);
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void feed(const void *input, uint32 length);
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int32 *result();
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private:
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void init();
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void finalize();
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void transform(const uchar *block);
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bool _finalized;
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uchar _buffer[_md5_block_size];
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uint32 _count[2];
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uint32 _state[4];
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uchar _digest[16];
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};
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int32 hashCrc32(const void *data, uint32 len);
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int32 *hashSha1(const void *data, uint32 len, void *dest); // dest - ptr to 20 bytes, returns (int32*)dest
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int32 *hashSha256(const void *data, uint32 len, void *dest); // dest - ptr to 32 bytes, returns (int32*)dest
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int32 *hashMd5(const void *data, uint32 len, void *dest); // dest = ptr to 16 bytes, returns (int32*)dest
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char *hashMd5Hex(const int32 *hashmd5, void *dest); // dest = ptr to 32 bytes, returns (char*)dest
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inline char *hashMd5Hex(const void *data, uint32 len, void *dest) { // dest = ptr to 32 bytes, returns (char*)dest
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return hashMd5Hex(HashMd5(data, len).result(), dest);
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}
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// good random (using openssl implementation)
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void memset_rand(void *data, uint32 len);
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template <typename T>
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T rand_value() {
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T result;
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memset_rand(&result, sizeof(result));
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return result;
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}
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inline void memset_rand_bad(void *data, uint32 len) {
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for (uchar *i = reinterpret_cast<uchar*>(data), *e = i + len; i != e; ++i) {
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*i = uchar(rand() & 0xFF);
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}
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}
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template <typename T>
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inline void memsetrnd_bad(T &value) {
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memset_rand_bad(&value, sizeof(value));
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}
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class ReadLockerAttempt {
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public:
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ReadLockerAttempt(QReadWriteLock *_lock) : success(_lock->tryLockForRead()), lock(_lock) {
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}
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~ReadLockerAttempt() {
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if (success) {
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lock->unlock();
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}
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}
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operator bool() const {
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return success;
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}
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private:
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bool success;
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QReadWriteLock *lock;
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};
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inline QString fromUtf8Safe(const char *str, int32 size = -1) {
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if (!str || !size) return QString();
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if (size < 0) size = int32(strlen(str));
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QString result(QString::fromUtf8(str, size));
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QByteArray back = result.toUtf8();
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if (back.size() != size || memcmp(back.constData(), str, size)) return QString::fromLocal8Bit(str, size);
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return result;
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}
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inline QString fromUtf8Safe(const QByteArray &str) {
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return fromUtf8Safe(str.constData(), str.size());
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}
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static const QRegularExpression::PatternOptions reMultiline(QRegularExpression::DotMatchesEverythingOption | QRegularExpression::MultilineOption);
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template <typename T>
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inline T snap(const T &v, const T &_min, const T &_max) {
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return (v < _min) ? _min : ((v > _max) ? _max : v);
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}
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template <typename T>
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class ManagedPtr {
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public:
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ManagedPtr() : ptr(0) {
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}
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|
ManagedPtr(T *p) : ptr(p) {
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|
}
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|
T *operator->() const {
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return ptr;
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|
}
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|
T *v() const {
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return ptr;
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|
}
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|
protected:
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T *ptr;
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typedef ManagedPtr<T> Parent;
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};
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|
|
|
QString translitRusEng(const QString &rus);
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|
QString rusKeyboardLayoutSwitch(const QString &from);
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|
|
|
enum DBISendKey {
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|
dbiskEnter = 0,
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|
dbiskCtrlEnter = 1,
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|
};
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|
|
|
enum DBINotifyView {
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|
dbinvShowPreview = 0,
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|
dbinvShowName = 1,
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|
dbinvShowNothing = 2,
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|
};
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|
|
|
enum DBIWorkMode {
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|
dbiwmWindowAndTray = 0,
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|
dbiwmTrayOnly = 1,
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dbiwmWindowOnly = 2,
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|
};
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enum DBIConnectionType {
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dbictAuto = 0,
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dbictHttpAuto = 1, // not used
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dbictHttpProxy = 2,
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dbictTcpProxy = 3,
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};
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enum DBIDefaultAttach {
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dbidaDocument = 0,
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dbidaPhoto = 1,
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};
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|
|
struct ConnectionProxy {
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|
ConnectionProxy() : port(0) {
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}
|
|
QString host;
|
|
uint32 port;
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|
QString user, password;
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|
};
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|
|
|
enum DBIScale {
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|
dbisAuto = 0,
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|
dbisOne = 1,
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|
dbisOneAndQuarter = 2,
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|
dbisOneAndHalf = 3,
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|
dbisTwo = 4,
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|
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dbisScaleCount = 5,
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};
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|
|
|
static const int MatrixRowShift = 40000;
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|
|
|
enum DBIEmojiTab {
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|
dbietRecent = -1,
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|
dbietPeople = 0,
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|
dbietNature = 1,
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|
dbietFood = 2,
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dbietActivity = 3,
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dbietTravel = 4,
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dbietObjects = 5,
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dbietSymbols = 6,
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dbietStickers = 666,
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};
|
|
static const int emojiTabCount = 8;
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inline DBIEmojiTab emojiTabAtIndex(int index) {
|
|
return (index < 0 || index >= emojiTabCount) ? dbietRecent : DBIEmojiTab(index - 1);
|
|
}
|
|
|
|
enum DBIPlatform {
|
|
dbipWindows = 0,
|
|
dbipMac = 1,
|
|
dbipLinux64 = 2,
|
|
dbipLinux32 = 3,
|
|
dbipMacOld = 4,
|
|
};
|
|
|
|
enum DBIPeerReportSpamStatus {
|
|
dbiprsNoButton = 0, // hidden, but not in the cloud settings yet
|
|
dbiprsUnknown = 1, // contacts not loaded yet
|
|
dbiprsShowButton = 2, // show report spam button, each show peer request setting from cloud
|
|
dbiprsReportSent = 3, // report sent, but the report spam panel is not hidden yet
|
|
dbiprsHidden = 4, // hidden in the cloud or not needed (bots, contacts, etc), no more requests
|
|
dbiprsRequesting = 5, // requesting the cloud setting right now
|
|
};
|
|
|
|
typedef enum {
|
|
HitTestNone = 0,
|
|
HitTestClient,
|
|
HitTestSysButton,
|
|
HitTestIcon,
|
|
HitTestCaption,
|
|
HitTestTop,
|
|
HitTestTopRight,
|
|
HitTestRight,
|
|
HitTestBottomRight,
|
|
HitTestBottom,
|
|
HitTestBottomLeft,
|
|
HitTestLeft,
|
|
HitTestTopLeft,
|
|
} HitTestType;
|
|
|
|
inline QString strMakeFromLetters(const uint32 *letters, int32 len) {
|
|
QString result;
|
|
result.reserve(len);
|
|
for (int32 i = 0; i < len; ++i) {
|
|
result.push_back(QChar((((letters[i] << 16) & 0xFF) >> 8) | (letters[i] & 0xFF)));
|
|
}
|
|
return result;
|
|
}
|
|
|
|
class MimeType {
|
|
public:
|
|
|
|
enum TypeEnum {
|
|
Unknown,
|
|
WebP,
|
|
};
|
|
|
|
MimeType(const QMimeType &type) : _typeStruct(type), _type(Unknown) {
|
|
}
|
|
MimeType(TypeEnum type) : _type(type) {
|
|
}
|
|
QStringList globPatterns() const;
|
|
QString filterString() const;
|
|
QString name() const;
|
|
|
|
private:
|
|
|
|
QMimeType _typeStruct;
|
|
TypeEnum _type;
|
|
|
|
};
|
|
|
|
MimeType mimeTypeForName(const QString &mime);
|
|
MimeType mimeTypeForFile(const QFileInfo &file);
|
|
MimeType mimeTypeForData(const QByteArray &data);
|
|
|
|
inline int32 rowscount(int32 count, int32 perrow) {
|
|
return (count + perrow - 1) / perrow;
|
|
}
|
|
inline int32 floorclamp(int32 value, int32 step, int32 lowest, int32 highest) {
|
|
return qMin(qMax(value / step, lowest), highest);
|
|
}
|
|
inline int32 floorclamp(float64 value, int32 step, int32 lowest, int32 highest) {
|
|
return qMin(qMax(qFloor(value / step), lowest), highest);
|
|
}
|
|
inline int32 ceilclamp(int32 value, int32 step, int32 lowest, int32 highest) {
|
|
return qMax(qMin((value / step) + ((value % step) ? 1 : 0), highest), lowest);
|
|
}
|
|
inline int32 ceilclamp(float64 value, int32 step, int32 lowest, int32 highest) {
|
|
return qMax(qMin(qCeil(value / step), highest), lowest);
|
|
}
|
|
|
|
enum ForwardWhatMessages {
|
|
ForwardSelectedMessages,
|
|
ForwardContextMessage,
|
|
ForwardPressedMessage,
|
|
ForwardPressedLinkMessage
|
|
};
|
|
|
|
enum ShowLayerOption {
|
|
CloseOtherLayers = 0x00,
|
|
KeepOtherLayers = 0x01,
|
|
ShowAfterOtherLayers = 0x03,
|
|
|
|
AnimatedShowLayer = 0x00,
|
|
ForceFastShowLayer = 0x04,
|
|
};
|
|
typedef QFlags<ShowLayerOption> ShowLayerOptions;
|
|
|
|
static int32 FullArcLength = 360 * 16;
|
|
static int32 QuarterArcLength = (FullArcLength / 4);
|
|
static int32 MinArcLength = (FullArcLength / 360);
|
|
static int32 AlmostFullArcLength = (FullArcLength - MinArcLength);
|
|
|
|
template <typename T1, typename T2>
|
|
class RefPairImplementation {
|
|
public:
|
|
template <typename T3, typename T4>
|
|
const RefPairImplementation &operator=(const RefPairImplementation<T3, T4> &other) const {
|
|
_first = other._first;
|
|
_second = other._second;
|
|
return *this;
|
|
}
|
|
|
|
template <typename T3, typename T4>
|
|
const RefPairImplementation &operator=(const QPair<T3, T4> &other) const {
|
|
_first = other.first;
|
|
_second = other.second;
|
|
return *this;
|
|
}
|
|
|
|
private:
|
|
RefPairImplementation(T1 &first, T2 &second) : _first(first), _second(second) {
|
|
}
|
|
RefPairImplementation(const RefPairImplementation &other);
|
|
|
|
template <typename T3, typename T4>
|
|
friend RefPairImplementation<T3, T4> RefPairCreator(T3 &first, T4 &second);
|
|
|
|
T1 &_first;
|
|
T2 &_second;
|
|
};
|
|
|
|
template <typename T1, typename T2>
|
|
inline RefPairImplementation<T1, T2> RefPairCreator(T1 &first, T2 &second) {
|
|
return RefPairImplementation<T1, T2>(first, second);
|
|
}
|
|
|
|
#define RefPair(Type1, Name1, Type2, Name2) Type1 Name1; Type2 Name2; RefPairCreator(Name1, Name2)
|
|
|
|
template <typename I>
|
|
inline void destroyImplementation(I *&ptr) {
|
|
if (ptr) {
|
|
ptr->destroy();
|
|
ptr = 0;
|
|
}
|
|
deleteAndMark(ptr);
|
|
}
|
|
|
|
class Composer;
|
|
typedef void(*ComponentConstruct)(void *location, Composer *composer);
|
|
typedef void(*ComponentDestruct)(void *location);
|
|
typedef void(*ComponentMove)(void *location, void *waslocation);
|
|
|
|
struct ComponentWrapStruct {
|
|
// don't init any fields, because it is only created in
|
|
// global scope, so it will be filled by zeros from the start
|
|
ComponentWrapStruct() {
|
|
}
|
|
ComponentWrapStruct(int size, ComponentConstruct construct, ComponentDestruct destruct, ComponentMove move)
|
|
: Size(size)
|
|
, Construct(construct)
|
|
, Destruct(destruct)
|
|
, Move(move) {
|
|
}
|
|
int Size;
|
|
ComponentConstruct Construct;
|
|
ComponentDestruct Destruct;
|
|
ComponentMove Move;
|
|
};
|
|
|
|
template <int Value, int Denominator>
|
|
struct CeilDivideMinimumOne {
|
|
static const int Result = ((Value / Denominator) + ((!Value || (Value % Denominator)) ? 1 : 0));
|
|
};
|
|
|
|
template <typename Type>
|
|
struct ComponentWrapTemplate {
|
|
static const int Size = CeilDivideMinimumOne<sizeof(Type), sizeof(uint64)>::Result * sizeof(uint64);
|
|
static void Construct(void *location, Composer *composer) {
|
|
new (location) Type(composer);
|
|
}
|
|
static void Destruct(void *location) {
|
|
((Type*)location)->~Type();
|
|
}
|
|
static void Move(void *location, void *waslocation) {
|
|
*(Type*)location = std11::move(*(Type*)waslocation);
|
|
}
|
|
};
|
|
|
|
extern ComponentWrapStruct ComponentWraps[64];
|
|
extern QAtomicInt ComponentIndexLast;
|
|
|
|
template <typename Type>
|
|
class BaseComponent {
|
|
public:
|
|
BaseComponent() {
|
|
}
|
|
BaseComponent(const BaseComponent &other) = delete;
|
|
BaseComponent &operator=(const BaseComponent &other) = delete;
|
|
BaseComponent(BaseComponent &&other) = delete;
|
|
BaseComponent &operator=(BaseComponent &&other) = default;
|
|
|
|
static int Index() {
|
|
static QAtomicInt _index(0);
|
|
if (int index = _index.loadAcquire()) {
|
|
return index - 1;
|
|
}
|
|
while (true) {
|
|
int last = ComponentIndexLast.loadAcquire();
|
|
if (ComponentIndexLast.testAndSetOrdered(last, last + 1)) {
|
|
t_assert(last < 64);
|
|
if (_index.testAndSetOrdered(0, last + 1)) {
|
|
ComponentWraps[last] = ComponentWrapStruct(ComponentWrapTemplate<Type>::Size, ComponentWrapTemplate<Type>::Construct, ComponentWrapTemplate<Type>::Destruct, ComponentWrapTemplate<Type>::Move);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
return _index.loadAcquire() - 1;
|
|
}
|
|
static uint64 Bit() {
|
|
return (1ULL << Index());
|
|
}
|
|
|
|
};
|
|
|
|
class ComposerMetadata {
|
|
public:
|
|
|
|
ComposerMetadata(uint64 mask) : size(0), last(64), _mask(mask) {
|
|
for (int i = 0; i < 64; ++i) {
|
|
uint64 m = (1 << i);
|
|
if (_mask & m) {
|
|
int s = ComponentWraps[i].Size;
|
|
if (s) {
|
|
offsets[i] = size;
|
|
size += s;
|
|
} else {
|
|
offsets[i] = -1;
|
|
}
|
|
} else if (_mask < m) {
|
|
last = i;
|
|
for (; i < 64; ++i) {
|
|
offsets[i] = -1;
|
|
}
|
|
} else {
|
|
offsets[i] = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
int size, last;
|
|
int offsets[64];
|
|
|
|
bool equals(uint64 mask) const {
|
|
return _mask == mask;
|
|
}
|
|
uint64 maskadd(uint64 mask) const {
|
|
return _mask | mask;
|
|
}
|
|
uint64 maskremove(uint64 mask) const {
|
|
return _mask & (~mask);
|
|
}
|
|
|
|
private:
|
|
uint64 _mask;
|
|
|
|
};
|
|
|
|
const ComposerMetadata *GetComposerMetadata(uint64 mask);
|
|
|
|
class Composer {
|
|
public:
|
|
|
|
Composer(uint64 mask = 0) : _data(zerodata()) {
|
|
if (mask) {
|
|
const ComposerMetadata *meta = GetComposerMetadata(mask);
|
|
int size = sizeof(meta) + meta->size;
|
|
void *data = operator new(size);
|
|
if (!data) { // terminate if we can't allocate memory
|
|
throw "Can't allocate memory!";
|
|
}
|
|
|
|
_data = data;
|
|
_meta() = meta;
|
|
for (int i = 0; i < meta->last; ++i) {
|
|
int offset = meta->offsets[i];
|
|
if (offset >= 0) {
|
|
try {
|
|
ComponentWraps[i].Construct(_dataptrunsafe(offset), this);
|
|
} catch (...) {
|
|
while (i > 0) {
|
|
--i;
|
|
offset = meta->offsets[--i];
|
|
if (offset >= 0) {
|
|
ComponentWraps[i].Destruct(_dataptrunsafe(offset));
|
|
}
|
|
}
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
Composer(const Composer &other) = delete;
|
|
Composer &operator=(const Composer &other) = delete;
|
|
~Composer() {
|
|
if (_data != zerodata()) {
|
|
const ComposerMetadata *meta = _meta();
|
|
for (int i = 0; i < meta->last; ++i) {
|
|
int offset = meta->offsets[i];
|
|
if (offset >= 0) {
|
|
ComponentWraps[i].Destruct(_dataptrunsafe(offset));
|
|
}
|
|
}
|
|
operator delete(_data);
|
|
}
|
|
}
|
|
|
|
void UpdateComponents(uint64 mask = 0) {
|
|
if (!_meta()->equals(mask)) {
|
|
Composer tmp(mask);
|
|
tmp.swap(*this);
|
|
if (_data != zerodata() && tmp._data != zerodata()) {
|
|
const ComposerMetadata *meta = _meta(), *wasmeta = tmp._meta();
|
|
for (int i = 0; i < meta->last; ++i) {
|
|
int offset = meta->offsets[i], wasoffset = wasmeta->offsets[i];
|
|
if (offset >= 0 && wasoffset >= 0) {
|
|
ComponentWraps[i].Move(_dataptrunsafe(offset), tmp._dataptrunsafe(wasoffset));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
void AddComponents(uint64 mask = 0) {
|
|
UpdateComponents(_meta()->maskadd(mask));
|
|
}
|
|
void RemoveComponents(uint64 mask = 0) {
|
|
UpdateComponents(_meta()->maskremove(mask));
|
|
}
|
|
|
|
template <typename Type>
|
|
Type *Get() {
|
|
return static_cast<Type*>(_dataptr(_meta()->offsets[Type::Index()]));
|
|
}
|
|
template <typename Type>
|
|
const Type *Get() const {
|
|
return static_cast<const Type*>(_dataptr(_meta()->offsets[Type::Index()]));
|
|
}
|
|
template <typename Type>
|
|
bool Has() const {
|
|
return (_meta()->offsets[Type::Index()] >= 0);
|
|
}
|
|
|
|
private:
|
|
static const ComposerMetadata *ZeroComposerMetadata;
|
|
static void *zerodata() {
|
|
return &ZeroComposerMetadata;
|
|
}
|
|
|
|
void *_dataptrunsafe(int skip) const {
|
|
return (char*)_data + sizeof(_meta()) + skip;
|
|
}
|
|
void *_dataptr(int skip) const {
|
|
return (skip >= 0) ? _dataptrunsafe(skip) : 0;
|
|
}
|
|
const ComposerMetadata *&_meta() const {
|
|
return *static_cast<const ComposerMetadata**>(_data);
|
|
}
|
|
void *_data;
|
|
|
|
void swap(Composer &other) {
|
|
std::swap(_data, other._data);
|
|
}
|
|
|
|
};
|
|
|
|
template <typename R, typename A1, typename A2>
|
|
class SharedCallback2 {
|
|
public:
|
|
virtual R call(A1 channel, A2 msgId) const = 0;
|
|
virtual ~SharedCallback2() {
|
|
}
|
|
typedef QSharedPointer<SharedCallback2<R, A1, A2> > Ptr;
|
|
};
|
|
|
|
template <typename R>
|
|
class FunctionImplementation {
|
|
public:
|
|
virtual R call() = 0;
|
|
virtual void destroy() { delete this; }
|
|
virtual ~FunctionImplementation() {}
|
|
};
|
|
template <typename R>
|
|
class NullFunctionImplementation : public FunctionImplementation<R> {
|
|
public:
|
|
virtual R call() { return R(); }
|
|
virtual void destroy() {}
|
|
static NullFunctionImplementation<R> SharedInstance;
|
|
};
|
|
template <typename R>
|
|
NullFunctionImplementation<R> NullFunctionImplementation<R>::SharedInstance;
|
|
template <typename R>
|
|
class FunctionCreator {
|
|
public:
|
|
FunctionCreator(FunctionImplementation<R> *ptr) : _ptr(ptr) {}
|
|
FunctionCreator(const FunctionCreator<R> &other) : _ptr(other.create()) {}
|
|
FunctionImplementation<R> *create() const { return getPointerAndReset(_ptr); }
|
|
~FunctionCreator() { destroyImplementation(_ptr); }
|
|
private:
|
|
FunctionCreator<R> &operator=(const FunctionCreator<R> &other);
|
|
mutable FunctionImplementation<R> *_ptr;
|
|
};
|
|
template <typename R>
|
|
class Function {
|
|
public:
|
|
typedef FunctionCreator<R> Creator;
|
|
static Creator Null() { return Creator(&NullFunctionImplementation<R>::SharedInstance); }
|
|
Function(const Creator &creator) : _implementation(creator.create()) {}
|
|
R call() { return _implementation->call(); }
|
|
~Function() { destroyImplementation(_implementation); }
|
|
private:
|
|
Function(const Function<R> &other);
|
|
Function<R> &operator=(const Function<R> &other);
|
|
FunctionImplementation<R> *_implementation;
|
|
};
|
|
|
|
template <typename R>
|
|
class WrappedFunction : public FunctionImplementation<R> {
|
|
public:
|
|
typedef R(*Method)();
|
|
WrappedFunction(Method method) : _method(method) {}
|
|
virtual R call() { return (*_method)(); }
|
|
private:
|
|
Method _method;
|
|
};
|
|
template <typename R>
|
|
inline FunctionCreator<R> func(R(*method)()) {
|
|
return FunctionCreator<R>(new WrappedFunction<R>(method));
|
|
}
|
|
template <typename O, typename I, typename R>
|
|
class ObjectFunction : public FunctionImplementation<R> {
|
|
public:
|
|
typedef R(I::*Method)();
|
|
ObjectFunction(O *obj, Method method) : _obj(obj), _method(method) {}
|
|
virtual R call() { return (_obj->*_method)(); }
|
|
private:
|
|
O *_obj;
|
|
Method _method;
|
|
};
|
|
template <typename O, typename I, typename R>
|
|
inline FunctionCreator<R> func(O *obj, R(I::*method)()) {
|
|
return FunctionCreator<R>(new ObjectFunction<O, I, R>(obj, method));
|
|
}
|
|
|
|
template <typename R, typename A1>
|
|
class Function1Implementation {
|
|
public:
|
|
virtual R call(A1 a1) = 0;
|
|
virtual void destroy() { delete this; }
|
|
virtual ~Function1Implementation() {}
|
|
};
|
|
template <typename R, typename A1>
|
|
class NullFunction1Implementation : public Function1Implementation<R, A1> {
|
|
public:
|
|
virtual R call(A1 a1) { return R(); }
|
|
virtual void destroy() {}
|
|
static NullFunction1Implementation<R, A1> SharedInstance;
|
|
};
|
|
template <typename R, typename A1>
|
|
NullFunction1Implementation<R, A1> NullFunction1Implementation<R, A1>::SharedInstance;
|
|
template <typename R, typename A1>
|
|
class Function1Creator {
|
|
public:
|
|
Function1Creator(Function1Implementation<R, A1> *ptr) : _ptr(ptr) {}
|
|
Function1Creator(const Function1Creator<R, A1> &other) : _ptr(other.create()) {}
|
|
Function1Implementation<R, A1> *create() const { return getPointerAndReset(_ptr); }
|
|
~Function1Creator() { destroyImplementation(_ptr); }
|
|
private:
|
|
Function1Creator<R, A1> &operator=(const Function1Creator<R, A1> &other);
|
|
mutable Function1Implementation<R, A1> *_ptr;
|
|
};
|
|
template <typename R, typename A1>
|
|
class Function1 {
|
|
public:
|
|
typedef Function1Creator<R, A1> Creator;
|
|
static Creator Null() { return Creator(&NullFunction1Implementation<R, A1>::SharedInstance); }
|
|
Function1(const Creator &creator) : _implementation(creator.create()) {}
|
|
R call(A1 a1) { return _implementation->call(a1); }
|
|
~Function1() { _implementation->destroy(); }
|
|
private:
|
|
Function1(const Function1<R, A1> &other);
|
|
Function1<R, A1> &operator=(const Function1<R, A1> &other);
|
|
Function1Implementation<R, A1> *_implementation;
|
|
};
|
|
|
|
template <typename R, typename A1>
|
|
class WrappedFunction1 : public Function1Implementation<R, A1> {
|
|
public:
|
|
typedef R(*Method)(A1);
|
|
WrappedFunction1(Method method) : _method(method) {}
|
|
virtual R call(A1 a1) { return (*_method)(a1); }
|
|
private:
|
|
Method _method;
|
|
};
|
|
template <typename R, typename A1>
|
|
inline Function1Creator<R, A1> func(R(*method)(A1)) {
|
|
return Function1Creator<R, A1>(new WrappedFunction1<R, A1>(method));
|
|
}
|
|
template <typename O, typename I, typename R, typename A1>
|
|
class ObjectFunction1 : public Function1Implementation<R, A1> {
|
|
public:
|
|
typedef R(I::*Method)(A1);
|
|
ObjectFunction1(O *obj, Method method) : _obj(obj), _method(method) {}
|
|
virtual R call(A1 a1) { return (_obj->*_method)(a1); }
|
|
private:
|
|
O *_obj;
|
|
Method _method;
|
|
};
|
|
template <typename O, typename I, typename R, typename A1>
|
|
Function1Creator<R, A1> func(O *obj, R(I::*method)(A1)) {
|
|
return Function1Creator<R, A1>(new ObjectFunction1<O, I, R, A1>(obj, method));
|
|
}
|
|
|
|
template <typename R, typename A1, typename A2>
|
|
class Function2Implementation {
|
|
public:
|
|
virtual R call(A1 a1, A2 a2) = 0;
|
|
virtual void destroy() { delete this; }
|
|
virtual ~Function2Implementation() {}
|
|
};
|
|
template <typename R, typename A1, typename A2>
|
|
class NullFunction2Implementation : public Function2Implementation<R, A1, A2> {
|
|
public:
|
|
virtual R call(A1 a1, A2 a2) { return R(); }
|
|
virtual void destroy() {}
|
|
static NullFunction2Implementation<R, A1, A2> SharedInstance;
|
|
};
|
|
template <typename R, typename A1, typename A2>
|
|
NullFunction2Implementation<R, A1, A2> NullFunction2Implementation<R, A1, A2>::SharedInstance;
|
|
template <typename R, typename A1, typename A2>
|
|
class Function2Creator {
|
|
public:
|
|
Function2Creator(Function2Implementation<R, A1, A2> *ptr) : _ptr(ptr) {}
|
|
Function2Creator(const Function2Creator<R, A1, A2> &other) : _ptr(other.create()) {}
|
|
Function2Implementation<R, A1, A2> *create() const { return getPointerAndReset(_ptr); }
|
|
~Function2Creator() { destroyImplementation(_ptr); }
|
|
private:
|
|
Function2Creator<R, A1, A2> &operator=(const Function2Creator<R, A1, A2> &other);
|
|
mutable Function2Implementation<R, A1, A2> *_ptr;
|
|
};
|
|
template <typename R, typename A1, typename A2>
|
|
class Function2 {
|
|
public:
|
|
typedef Function2Creator<R, A1, A2> Creator;
|
|
static Creator Null() { return Creator(&NullFunction2Implementation<R, A1, A2>::SharedInstance); }
|
|
Function2(const Creator &creator) : _implementation(creator.create()) {}
|
|
R call(A1 a1, A2 a2) { return _implementation->call(a1, a2); }
|
|
~Function2() { destroyImplementation(_implementation); }
|
|
private:
|
|
Function2(const Function2<R, A1, A2> &other);
|
|
Function2<R, A1, A2> &operator=(const Function2<R, A1, A2> &other);
|
|
Function2Implementation<R, A1, A2> *_implementation;
|
|
};
|
|
|
|
template <typename R, typename A1, typename A2>
|
|
class WrappedFunction2 : public Function2Implementation<R, A1, A2> {
|
|
public:
|
|
typedef R(*Method)(A1, A2);
|
|
WrappedFunction2(Method method) : _method(method) {}
|
|
virtual R call(A1 a1, A2 a2) { return (*_method)(a1, a2); }
|
|
private:
|
|
Method _method;
|
|
};
|
|
template <typename R, typename A1, typename A2>
|
|
Function2Creator<R, A1, A2> func(R(*method)(A1, A2)) {
|
|
return Function2Creator<R, A1, A2>(new WrappedFunction2<R, A1, A2>(method));
|
|
}
|
|
|
|
template <typename O, typename I, typename R, typename A1, typename A2>
|
|
class ObjectFunction2 : public Function2Implementation<R, A1, A2> {
|
|
public:
|
|
typedef R(I::*Method)(A1, A2);
|
|
ObjectFunction2(O *obj, Method method) : _obj(obj), _method(method) {}
|
|
virtual R call(A1 a1, A2 a2) { return (_obj->*_method)(a1, a2); }
|
|
private:
|
|
O *_obj;
|
|
Method _method;
|
|
};
|
|
template <typename O, typename I, typename R, typename A1, typename A2>
|
|
Function2Creator<R, A1, A2> func(O *obj, R(I::*method)(A1, A2)) {
|
|
return Function2Creator<R, A1, A2>(new ObjectFunction2<O, I, R, A1, A2>(obj, method));
|
|
}
|