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#pragma once
#include "Tag.h"
#include "System.h"
class ByteArrayTag : public Tag
{
public:
byteArray data;
bool m_ownData;
ByteArrayTag(const wstring &name) : Tag(name) { m_ownData = false; }
ByteArrayTag(const wstring &name, byteArray data, bool ownData = false) : Tag(name) {this->data = data; m_ownData = ownData;} // 4J - added ownData param
~ByteArrayTag() { if(m_ownData) delete [] data.data; }
void write(DataOutput *dos)
{
dos->writeInt(data.length);
dos->write(data);
}
void load(DataInput *dis, int tagDepth)
{
int length = dis->readInt();
if (length < 0 || length > 2 * 1024 * 1024) length = 0;
if ( data.data ) delete[] data.data;
data = byteArray(length);
dis->readFully(data);
}
byte getId() { return TAG_Byte_Array; }
wstring toString()
{
static wchar_t buf[32];
swprintf(buf, 32, L"[%d bytes]",data.length);
return wstring( buf );
}
bool equals(Tag *obj)
{
if (Tag::equals(obj))
{
ByteArrayTag *o = static_cast<ByteArrayTag *>(obj);
return ((data.data == nullptr && o->data.data == nullptr) || (data.data != nullptr && data.length == o->data.length && memcmp(data.data, o->data.data, data.length) == 0) );
}
return false;
}
Tag *copy()
{
byteArray cp = byteArray(data.length);
System::arraycopy(data, 0, &cp, 0, data.length);
return new ByteArrayTag(getName(), cp, true);
}
};
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