Чтение 16-ичных чисел из текстового файла

" Бла Бла Бла :"

0x000001,0x000002,0x000003,0x000004,0x000005,0x000006,0x000007,0x000008,0x000009,0x000010,0x000011,0x000012,0x000013,0x000014,0x000015,0x000016,
0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0xffffff,0xffffff,0x000000,0xffffff,0xffffff,
0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x100099

 
ifstream file("primer.txt");
getline(file,line,'\n');
        cout << line<<endl;

 getline(file,line,',');       // читаю 0х00000 до запятой 
                     line2 = line.substr(2, 6);         // отбрасывю 0х           
                    cout << line2;

#include <fstream>
#include <string>
#include <iostream>
int main()
{
    std::ifstream inputFile("primer.txt");
    std::ofstream outputFile("bla-bla.cpp");
    std::string line;
    std::getline(inputFile, line); // Skip the first line
    outputFile << "#include <vector>\nstd::vector<int> a = {";
    while (std::getline(inputFile, line)) outputFile << line;
    outputFile << "};";
    inputFile.close();
    outputFile.close();
    return 0;
}

#include <vector>
std::vector<int> a = {0x000001,0x000002,0x000003,0x000004,0x000005,0x000006,0x000007,0x000008,0x000009,0x000010,0x000011,0x000012,0x000013,0x000014,0x000015,0x000016,^M0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0xffffff,0xffffff,0x000000,0xffffff,0xffffff,^M0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x000000,0x100099^M};

#include <iostream>
#include "bla-bla.cpp"
int main()
{
    for (const auto& element : a) std::cout << element << " ";
}

#include <iostream>
#include <fstream>
#include <vector>
#include <cstdint>
 
struct Color {
    uint8_t r, g, b;
};
 
Color int_to_rgb(uint32_t color_int) {
    Color color;
    color.r = (color_int >> 16) & 0xFF;
    color.g = (color_int >> 8) & 0xFF;
    color.b = color_int & 0xFF;
    return color;
}
 
int main() {
 
    std::ifstream inputFile("primer.txt");
    std::string segment;
    std::vector<int> hex_values; // Or std::vector<unsigned int>
 
    std::getline(inputFile, segment);   // skip first line
    while(std::getline(inputFile, segment, ',')) {
        // Remove "0x" prefix if present
        if (segment.substr(0, 2) == "0x") {
            segment = segment.substr(2);
        }
        try {
            // Convert hexadecimal string to integer (base 16)
            int value = std::stoi(segment, nullptr, 16);
            hex_values.push_back(value);
        } catch (const std::invalid_argument& e) {
            std::cerr << "Invalid hexadecimal string: " << segment << std::endl;
        } catch (const std::out_of_range& e) {
            std::cerr << "Hexadecimal value out of range: " << segment << std::endl;
        }
    }
 
    // Print the converted values
    std::cout << "Convert packed RRGGBB-integer to separate R,G,B values: ";
    for (int val : hex_values) {
        Color color = int_to_rgb(val);
 
        std::cout << "Red: " << static_cast<int>(color.r) << ", ";
        std::cout << "Green: " << static_cast<int>(color.g) << ", ";
        std::cout << "Blue: " << static_cast<int>(color.b) << std::endl;
    }
    std::cout << std::endl;
 
    return 0;
}

std::stoi("0x100009", nullptr, 16)

#include <iostream>
#include <string>
#include <cctype>
#include <fstream>
#include <locale>
#include <algorithm>
 
class my_ctype : public std::ctype<char> {
    mask my_table[table_size];
public:
    my_ctype(size_t refs = 0) : std::ctype<char>(my_table, false, refs) {
        std::copy_n(classic_table(), table_size, my_table);
        my_table[static_cast<unsigned char>(',')] |=  space; // Добавляем символ '^' как пробельный
    }
};
 
int main(){
   if(std::ifstream in("input.txt"); in.is_open()){
      //read first line
      {
         std::string str;
         getline(in, str);
         std::cout << str << std::endl;
      }
      
      // set locale with custom facet and set number format read
      in.imbue(std::locale(std::cin.getloc(), new my_ctype()));
      in >> std::hex;
 
      // reads values
      unsigned value;
      while(in >> value)
         std::cout << value << std::endl;
   }else{
      std::cout << "File not opened." << std::endl;
   }
}

#include <iostream>
#include <string>
#include <cctype>
#include <fstream>
#include <locale>
#include <algorithm>
#include <cstdlib>
 
class my_ctype : public std::ctype<char> {
    mask my_table[table_size];
public:
    my_ctype(size_t refs = 0) : std::ctype<char>(my_table, false, refs) {
        std::copy_n(classic_table(), table_size, my_table);
        my_table[static_cast<unsigned char>(',')] |=  space; // Добавляем символ '^' как пробельный
    }
};
 
int main(){
   if(std::ifstream in("input.txt"); in.is_open()){
      //read first line
      {
         std::string str;
         if (std::getline(in, str))
            std::cout << str << std::endl;
         else{
            std::cerr << "Read error first line (file is empty)." << std::endl;
            return EXIT_SUCCESS;
         }
      }
      
      // set locale with custom facet and set number format read
      in.imbue(std::locale(std::cin.getloc(), new my_ctype()));
      in >> std::hex;
      
      // current read position
      std::streampos pos = in.tellg();
      
      // reads values
      unsigned value;
      while(in >> value){
         std::cout << value << std::endl;
         pos = in.tellg();
      }
      // error occured
      if (in.fail() && !in.eof()){
         std::cerr << "Read error starting from position : " << pos << std::endl;
         return EXIT_SUCCESS;
      }
   }else{
      std::cout << "File not opened." << std::endl;
   }
}