Function startsWithRtl

lib/MiniBidi/BidiUtils.cpp:34–50

namespace BidiUtils {

bool startsWithRtl(const char* utf8, int maxStrongChars) {
  if (!utf8 || maxStrongChars <= 0) return false;

  auto* p = reinterpret_cast<const unsigned char*>(utf8);
  int checked = 0;
  while (*p) {
    const uint32_t cp = utf8NextCodepoint(&p);
    if (!cp || cp == REPLACEMENT_GLYPH) break;

    const uchar cls = bidi_class(cp);
    if (cls == R || cls == AL) return true;
    if (cls == L) return false;
    checked++;
    if (checked >= maxStrongChars) break;
  }
  return false;
}

int detectParagraphLevel(const char* utf8, const int fallbackLevel, const int maxStrongChars) {
  if (!utf8 || maxStrongChars <= 0) return fallbackLevel & 1;