#include <cmath>
#include "Field.hpp"
Field::Field() {
}
Field::Field(const Field &other) : m_dataLength(other.m_dataLength), m_type(other.m_type) {
m_data = new byte[m_dataLength];
std::copy(other.m_data,other.m_data+m_dataLength,m_data);
}
void Field::swap(Field &other) {
std::swap(other.m_dataLength, m_dataLength);
std::swap(other.m_data, m_data);
std::swap(other.m_type, m_type);
}
Field &Field::operator=(Field other) {
other.swap(*this);
return *this;
}
Field::~Field() {
Clear();
}
size_t Field::GetLength() {
if (m_data != nullptr && m_dataLength == 0)
throw 102;
return m_dataLength;
}
void Field::Clear() {
m_dataLength = 0;
delete[] m_data;
m_data = nullptr;
}
void Field::CopyToBuff(byte *ptr) {
if (m_dataLength > 0)
std::copy(m_data,m_data+m_dataLength,ptr);
}
void Field::SetRaw(byte *ptr, size_t len, FieldType type) {
Clear();
m_dataLength = len;
m_type = type;
m_data = new byte[m_dataLength];
std::copy(ptr,ptr+m_dataLength,m_data);
}
int Field::GetVarInt() {
size_t readed;
return VarIntRead(m_data, readed);
}
void Field::SetVarInt(int value) {
Clear();
m_type = VarInt;
m_data = new byte[5];
m_dataLength = VarIntWrite(value, m_data);
}
int Field::GetInt() {
int value = *(reinterpret_cast<int *>(m_data));
endswap(&value);
return value;
}
void Field::SetInt(int value) {
Clear();
m_type = Int;
m_data = new byte[4];
m_dataLength = 4;
int *p = reinterpret_cast<int *>(m_data);
*p = value;
endswap(p);
}
bool Field::GetBool() {
return *m_data != 0x00;
}
void Field::SetBool(bool value) {
Clear();
m_type = Boolean;
m_data = new byte[1];
m_dataLength = 1;
*m_data = value ? 0x01 : 0x00;
}
unsigned short Field::GetUShort() {
unsigned short *p = reinterpret_cast<unsigned short *>(m_data);
unsigned short t = *p;
endswap(&t);
return t;
}
void Field::SetUShort(unsigned short value) {
Clear();
m_type = UnsignedShort;
m_dataLength = 2;
m_data = new byte[2];
unsigned short *p = reinterpret_cast<unsigned short *>(m_data);
*p = value;
endswap(p);
}
std::string Field::GetString() {
Field fLen;
byte *ptr = m_data;
size_t l;
int val = VarIntRead(ptr, l);
ptr += l;
std::string s((char *) ptr, val);
return s;
}
void Field::SetString(std::string value) {
Clear();
m_type = String;
Field fLen;
fLen.SetVarInt(value.size());
m_dataLength = value.size() + fLen.GetLength();
m_data = new byte[m_dataLength];
byte *p = m_data;
fLen.CopyToBuff(p);
p += fLen.GetLength();
std::copy(value.begin(),value.end(),p);
}
long long Field::GetLong() {
long long t = *reinterpret_cast<long long *>(m_data);
endswap(&t);
return t;
}
void Field::SetLong(long long value) {
Clear();
m_type = Long;
m_dataLength = 8;
m_data = new byte[m_dataLength];
long long *p = reinterpret_cast<long long *>(m_data);
*p = value;
endswap(p);
}
FieldType Field::GetType() {
return m_type;
}
byte Field::GetUByte() {
byte t = *reinterpret_cast<byte *>(m_data);
endswap(&t);
return t;
}
void Field::SetUByte(byte value) {
Clear();
m_type = UnsignedByte;
endswap(&value);
m_dataLength = 1;
m_data = new byte[m_dataLength];
byte *p = reinterpret_cast<byte *>(m_data);
*p = value;
}
sbyte Field::GetByte() {
sbyte t = *reinterpret_cast<sbyte *>(m_data);
endswap(&t);
return t;
}
void Field::SetByte(sbyte value) {
Clear();
m_type = Byte8_t;
endswap(&value);
m_dataLength = 1;
m_data = new byte[m_dataLength];
sbyte *p = reinterpret_cast<sbyte *>(m_data);
*p = value;
}
float Field::GetFloat() {
float t = *reinterpret_cast<float *>(m_data);
endswap(&t);
return t;
}
void Field::SetFloat(float value) {
Clear();
m_type = Float;
endswap(&value);
m_dataLength = 4;
m_data = new byte[m_dataLength];
float *p = reinterpret_cast<float *>(m_data);
*p = value;
}
Vector Field::GetPosition() {
unsigned long long t = *reinterpret_cast<unsigned long long *>(m_data);
endswap(&t);
int x = t >> 38;
int y = (t >> 26) & 0xFFF;
int z = t << 38 >> 38;
if (x >= pow(2, 25)) {
x -= pow(2, 26);
}
if (y >= pow(2, 11)) {
y -= pow(2, 12);
}
if (z >= pow(2, 25)) {
z -= pow(2, 26);
}
Vector val(x,y,z);
return val;
}
void Field::SetPosition(Vector value) {
Clear();
m_type = Position;
m_dataLength = 8;
m_data = new byte[m_dataLength];
unsigned long long *t = reinterpret_cast<unsigned long long *>(m_data);
unsigned long long x = ((unsigned long long) value.GetX()) << 38;
unsigned long long y = ((unsigned long long) value.GetY()) << 26;
unsigned long long z = value.GetZ();
endswap(&x);
endswap(&z);
endswap(&y);
*t = x | y | z;
}
double Field::GetDouble() {
double t = *reinterpret_cast<double *>(m_data);
endswap(&t);
return t;
}
void Field::SetDouble(double value) {
Clear();
m_type = Double;
endswap(&value);
m_dataLength = 8;
m_data = new byte[m_dataLength];
double *p = reinterpret_cast<double *>(m_data);
*p = value;
}
size_t Field::GetFieldLength(FieldType type) {
switch (type) {
case Unknown:
return 0;
case Boolean:
return 1;
case Byte8_t:
return 1;
case UnsignedByte:
return 1;
case Short:
return 2;
case UnsignedShort:
return 2;
case Int:
return 4;
case Long:
return 8;
case Float:
return 4;
case Double:
return 8;
case Position:
return 8;
case Angle:
return 4;
case Uuid:
return 16;
default:
return 0;
}
}
std::vector<Field> Field::GetArray() {
/*std::vector<Field> vec;
if (m_type<20){
size_t fieldLen=GetFieldLength(m_type);
byte* ptr = m_data;
for (int i=0;i<m_dataLength/fieldLen;i++){
Field f;
f.SetRaw(ptr,fieldLen,m_type);
vec.push_back(f);
ptr+=fieldLen;
}
return vec;
}*/
return m_childs;
}
void Field::Attach(Field field) {
m_childs.push_back(field);
}
