Function S_normalize_code

src/inlines.c:361–392

Destructively modify string, converting newlines to spaces, then removing a single leading + trailing space, unless the code span consists entirely of space characters.

// spaces, then removing a single leading + trailing space,
// unless the code span consists entirely of space characters.
static void S_normalize_code(cmark_strbuf *s) {
  bufsize_t r, w;
  bool contains_nonspace = false;

  for (r = 0, w = 0; r < s->size; ++r) {
    switch (s->ptr[r]) {
    case '\r':
      if (s->ptr[r + 1] != '\n') {
        s->ptr[w++] = ' ';
      }
      break;
    case '\n':
      s->ptr[w++] = ' ';
      break;
    default:
      s->ptr[w++] = s->ptr[r];
    }
    if (s->ptr[r] != ' ') {
      contains_nonspace = true;
    }
  }

  // begins and ends with space?
  if (contains_nonspace &&
      s->ptr[0] == ' ' && s->ptr[w - 1] == ' ') {
    cmark_strbuf_drop(s, 1);
    cmark_strbuf_truncate(s, w - 2);
  } else {
    cmark_strbuf_truncate(s, w);
  }

}


// Parse backtick code section or raw backticks, return an inline.