74 lines
2.5 KiB
C++
74 lines
2.5 KiB
C++
/*! \file pimemoryblock.h
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* \ingroup Core
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* \~\brief
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* \~english Base types and functions
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* \~russian Базовые типы и методы
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*/
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/*
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PIP - Platform Independent Primitives
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Base types and functions
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Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser 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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This program 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 Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef PIMEMORYBLOCK_H
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#define PIMEMORYBLOCK_H
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//! \ingroup Core
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//! \include pimemoryblock.h
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//! \brief
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//! \~english Help struct to store/restore custom blocks of data to/from PIBinaryStream
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//! \~russian Вспомогательная структура для сохранения/извлечения произвольного блока данных в/из PIBinaryStream
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struct PIMemoryBlock {
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public:
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//! \~english Constructs data block
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//! \~russian Создает блок данных
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PIMemoryBlock(void * data_ = 0, int size_ = 0) {d = data_; s = size_;}
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//! \~english Constructs data block
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//! \~russian Создает блок данных
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PIMemoryBlock(const void * data_, const int size_) {d = const_cast<void * >(data_); s = size_;}
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PIMemoryBlock(const PIMemoryBlock & o) {d = o.d; s = o.s;}
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PIMemoryBlock & operator =(const PIMemoryBlock & o) {d = o.d; s = o.s; return *this;}
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//! \~english Pointer to data
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//! \~russian Указатель на данные
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void * data() {return d;}
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//! \~english Pointer to data
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//! \~russian Указатель на данные
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const void * data() const {return d;}
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//! \~english Size of data in bytes
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//! \~russian Размер данных в байтах
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int size() const {return s;}
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private:
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void * d;
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int s;
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};
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//! \~english Returns PIMemoryBlock from pointer to variable "ptr" with type "T"
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//! \~russian Возвращает PIMemoryBlock из указателя "ptr" типа "T"
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template<typename T>
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PIMemoryBlock createMemoryBlock(const T * ptr) {return PIMemoryBlock(ptr, sizeof(T));}
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#endif // PIMEMORYBLOCK_H
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