mirror of https://github.com/axmolengine/axmol.git
138 lines
3.1 KiB
C++
138 lines
3.1 KiB
C++
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "base/CCData.h"
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#include "base/CCConsole.h"
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NS_CC_BEGIN
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const Data Data::Null;
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Data::Data() :
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_bytes(nullptr),
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_size(0)
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{
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CCLOGINFO("In the empty constructor of Data.");
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}
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Data::Data(Data&& other) :
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_bytes(nullptr),
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_size(0)
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{
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CCLOGINFO("In the move constructor of Data.");
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move(other);
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}
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Data::Data(const Data& other) :
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_bytes(nullptr),
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_size(0)
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{
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CCLOGINFO("In the copy constructor of Data.");
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copy(other._bytes, other._size);
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}
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Data::~Data()
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{
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CCLOGINFO("deallocing Data: %p", this);
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clear();
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}
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Data& Data::operator= (const Data& other)
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{
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CCLOGINFO("In the copy assignment of Data.");
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copy(other._bytes, other._size);
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return *this;
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}
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Data& Data::operator= (Data&& other)
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{
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CCLOGINFO("In the move assignment of Data.");
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move(other);
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return *this;
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}
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void Data::move(Data& other)
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{
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clear();
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_bytes = other._bytes;
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_size = other._size;
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other._bytes = nullptr;
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other._size = 0;
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}
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bool Data::isNull() const
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{
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return (_bytes == nullptr || _size == 0);
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}
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unsigned char* Data::getBytes() const
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{
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return _bytes;
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}
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ssize_t Data::getSize() const
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{
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return _size;
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}
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void Data::copy(const unsigned char* bytes, const ssize_t size)
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{
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clear();
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if (size > 0)
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{
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_size = size;
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_bytes = (unsigned char*)malloc(sizeof(unsigned char) * _size);
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memcpy(_bytes, bytes, _size);
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}
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}
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void Data::fastSet(unsigned char* bytes, const ssize_t size)
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{
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_bytes = bytes;
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_size = size;
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}
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void Data::clear()
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{
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free(_bytes);
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_bytes = nullptr;
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_size = 0;
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}
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unsigned char* Data::takeBuffer(ssize_t* size)
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{
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auto buffer = getBytes();
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if (size)
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*size = getSize();
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fastSet(nullptr, 0);
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return buffer;
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}
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NS_CC_END
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