Function ScanDirAbs

lobster/src/platform.cpp:358–398

TODO: can now replace all this platform specific stuff with std::filesystem code. https://github.com/tvaneerd/cpp17_in_TTs/blob/master/ALL_IN_ONE.md http://en.cppreference.com/w/cpp/experimental/fs

// https://github.com/tvaneerd/cpp17_in_TTs/blob/master/ALL_IN_ONE.md
// http://en.cppreference.com/w/cpp/experimental/fs
bool ScanDirAbs(string_view absdir, vector<pair<string, int64_t>> &dest) {
    string folder = SanitizePath(absdir);
    #ifdef _WIN32
        WIN32_FIND_DATA fdata;
        HANDLE fh = FindFirstFile((folder + "\\*.*").c_str(), &fdata);
        if (fh != INVALID_HANDLE_VALUE) {
            do {
                if (strcmp(fdata.cFileName, ".") && strcmp(fdata.cFileName, "..")) {
                    ULONGLONG size =
                        (static_cast<ULONGLONG>(fdata.nFileSizeHigh) << (sizeof(uint) * 8)) |
                        fdata.nFileSizeLow;
                    dest.push_back(
                        { fdata.cFileName,
                          fdata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
                              ? -1
                              : (int64_t)size });
                }
            }
            while(FindNextFile(fh, &fdata));
            FindClose(fh);
            return true;
        }
    #elif !defined(PLATFORM_ES3)
        glob_t gl;
        string mask = folder + "/*";
        if (!glob(mask.c_str(), GLOB_MARK | GLOB_TILDE, nullptr, &gl)) {
            for (size_t fi = 0; fi < gl.gl_pathc; fi++) {
                string xFileName = gl.gl_pathv[fi];
                bool isDir = xFileName[xFileName.length()-1] == '/';
                if (isDir) xFileName = xFileName.substr(0, xFileName.length() - 1);
                string cFileName = xFileName.substr(xFileName.find_last_of('/') + 1);
                struct stat st;
                stat(gl.gl_pathv[fi], &st);
                dest.push_back({ cFileName, isDir ? -1 : (int64_t)st.st_size });
            }
            globfree(&gl);
            return true;
        }
    #endif
    return false;
}

bool ScanDir(string_view reldir, vector<pair<string, int64_t>> &dest) {
    auto srfn = SanitizePath(reldir);