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- //
- // Created by Иван_Архипов on 31.10.2017.
- //
- #include "BinaryData.h"
- #include "DatException.h"
- extern "C++"
- {
- namespace LOTRO_DAT {
- BinaryData::BinaryData() {
- data_ = nullptr;
- size_ = 0;
- }
- BinaryData::BinaryData(const BinaryData &d) {
- size_ = d.size_;
- data_ = new unsigned char[size_];
- memcpy(data_, d.data_, size_);
- }
- BinaryData::BinaryData(unsigned int size) {
- data_ = new unsigned char[size];
- size_ = size;
- }
- BinaryData::~BinaryData() {
- if (size_ != 0 && data_ != nullptr)
- delete[] data_;
- }
- unsigned char& BinaryData::operator[](const unsigned int &pos) {
- if (pos >= size_)
- throw DatException("Bad BinaryData::operator[]. Position is out of range.");
- return data_[pos];
- }
- // Translates data into specified number type due to UTF-16LE encoding of the .dat file
- template<int T>
- long long BinaryData::ToNumber(const long long &pos) const {
- try {
- long long ans = 0;
- if (pos + 3 >= size_)
- throw DatException("Bad BinaryData::ToNumber(). Reached end of BinaryData!", DATA_EXCEPTION);
- for (int i = T - 1; i >= 0; i--)
- ans = ((ans << 8ll) | (unsigned char)(data_[pos + i]));
- return ans;
- } catch (...) {
- throw DatException("Bad BinaryData::ToNumber(). Error while using template function", DATA_EXCEPTION);
- }
- }
- // Makes data from specified number type
- template<int T>
- void BinaryData::FromNumber(const long long &number) {
- if (T < 0)
- throw DatException("Bad BinaryData::FromNumber() - trying to make data from amount of bytes < 0");
- try {
- if (size_ != 0 && data_ != nullptr)
- delete[] data_;
- size_ = size_t(T);
- data_ = new unsigned char[size_];
- for (size_t i = 0; i < size_; i++)
- {
- data_[i] = (unsigned char)((number >> (8 * i)) & 0xFF);
- }
- } catch (...) {
- throw DatException("Bad BinaryData::ToNumber(). Error in using template function", DATA_EXCEPTION);
- }
- }
- BinaryData &BinaryData::operator=(const BinaryData &data) {
- if (&data == this)
- return *this;
- if (size_ != 0 && data_ != nullptr)
- delete[] data_;
- size_ = data.size_;
- data_ = nullptr;
- if (size_ != 0) {
- data_ = new unsigned char[size_];
- memcpy(data_, data.data_, size_);
- }
- return *this;
- }
- size_t BinaryData::size() const {
- return size_;
- }
- unsigned char *BinaryData::data() const {
- return data_;
- }
- bool BinaryData::WriteToFile(const char *filename) const {
- FILE *f;
- fopen_s(&f, filename, "wb");
- if (f == nullptr) {
- throw DatException("Bad BinaryData::WriteToFile() - unable to open output file", EXPORT_EXCEPTION);
- return false;
- }
- fwrite(data(), size(), 1, f);
- fclose(f);
- return true;
- }
- bool BinaryData::WriteToFile(const std::string &filename) const {
- FILE *f;
- fopen_s(&f, filename.c_str(), "wb");
- if (f == nullptr) {
- throw DatException("Bad BinaryData::WriteToFile() - unable to open output file", EXPORT_EXCEPTION);
- return false;
- }
- fwrite(data(), size(), 1, f);
- fclose(f);
- return true;
- }
- template long long BinaryData::ToNumber<1>(long long const&) const;
- template long long BinaryData::ToNumber<2>(long long const&) const;
- template long long BinaryData::ToNumber<4>(long long const&) const;
- template long long BinaryData::ToNumber<8>(long long const&) const;
- template void BinaryData::FromNumber<1>(const long long &);
- template void BinaryData::FromNumber<2>(const long long &);
- template void BinaryData::FromNumber<4>(const long long &);
- template void BinaryData::FromNumber<8>(const long long &);
- }
- }
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