Function getElemSize

deps/opencv/modules/core/src/persistence.cpp:5149–5162

{

static void getElemSize( const string& fmt, size_t& elemSize, size_t& cn )
{
    const char* dt = fmt.c_str();
    cn = 1;
    if( cv_isdigit(dt[0]) )
    {
        cn = dt[0] - '0';
        dt++;
    }
    char c = dt[0];
    elemSize = cn*(c == 'u' || c == 'c' ? sizeof(uchar) : c == 'w' || c == 's' ? sizeof(ushort) :
        c == 'i' ? sizeof(int) : c == 'f' ? sizeof(float) : c == 'd' ? sizeof(double) :
        c == 'r' ? sizeof(void*) : (size_t)0);
}

FileStorage::FileStorage()
{