embedresource.cpp

#include <experimental/filesystem>
#include <fstream>


using namespace std;
using namespace experimental::filesystem;

int main(int argc, char** argv)
{
    if (argc < 3) {
        fprintf(stderr, "USAGE: %s {sym} {rsrc}\n\n"
                        "  Creates {sym}.c from the contents of {rsrc}\n",
                argv[0]);
        return EXIT_FAILURE;
    }

    path dst{argv[1]};
    path src{argv[2]};

    string sym = src.filename().string();
    replace(sym.begin(), sym.end(), '.', '_');
    replace(sym.begin(), sym.end(), '-', '_');

    create_directories(dst.parent_path());

    ofstream ofs{dst};

    ifstream ifs{src};

    ofs << "#include <stdlib.h>" << endl;
    ofs << "extern const char _resource_" << sym << "[] = {" << endl;

    size_t lineCount = 0;
    while (true)
    {
        char c;
        ifs.get(c);

		if (ifs.eof()) 
			break;

        ofs << "0x" << hex << (unsigned int)c << ", ";
        if (++lineCount == 10) {
            ofs << endl;
            lineCount = 0;
        }
    }


    ofs << "};" << endl;
    ofs << "extern const size_t _resource_" << sym << "_len = sizeof(_resource_" << sym << ");";

    return EXIT_SUCCESS;
}