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- #include "base/CCData.h"
- #include "base/CCConsole.h"
- NS_CC_BEGIN
- const Data Data::Null;
- Data::Data() :
- _bytes(nullptr),
- _size(0)
- {
- CCLOGINFO("In the empty constructor of Data.");
- }
- Data::Data(Data&& other) :
- _bytes(nullptr),
- _size(0)
- {
- CCLOGINFO("In the move constructor of Data.");
- move(other);
- }
- Data::Data(const Data& other) :
- _bytes(nullptr),
- _size(0)
- {
- CCLOGINFO("In the copy constructor of Data.");
- copy(other._bytes, other._size);
- }
- Data::~Data()
- {
- CCLOGINFO("deallocing Data: %p", this);
- clear();
- }
- Data& Data::operator= (const Data& other)
- {
- CCLOGINFO("In the copy assignment of Data.");
- copy(other._bytes, other._size);
- return *this;
- }
- Data& Data::operator= (Data&& other)
- {
- CCLOGINFO("In the move assignment of Data.");
- move(other);
- return *this;
- }
- void Data::move(Data& other)
- {
- clear();
-
- _bytes = other._bytes;
- _size = other._size;
- other._bytes = nullptr;
- other._size = 0;
- }
- bool Data::isNull() const
- {
- return (_bytes == nullptr || _size == 0);
- }
- unsigned char* Data::getBytes() const
- {
- return _bytes;
- }
- ssize_t Data::getSize() const
- {
- return _size;
- }
- void Data::copy(const unsigned char* bytes, const ssize_t size)
- {
- clear();
- if (size > 0)
- {
- _size = size;
- _bytes = (unsigned char*)malloc(sizeof(unsigned char) * _size);
- memcpy(_bytes, bytes, _size);
- }
- }
- void Data::fastSet(unsigned char* bytes, const ssize_t size)
- {
- _bytes = bytes;
- _size = size;
- }
- void Data::clear()
- {
- free(_bytes);
- _bytes = nullptr;
- _size = 0;
- }
- unsigned char* Data::takeBuffer(ssize_t* size)
- {
- auto buffer = getBytes();
- if (size)
- *size = getSize();
- fastSet(nullptr, 0);
- return buffer;
- }
- NS_CC_END
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