static CMARK_INLINE void outc()

in src/commonmark.c [24:73]

• 45 lines of code
• 55 McCabe index (conditional complexity)

static CMARK_INLINE void outc(cmark_renderer *renderer, cmark_escaping escape,
                              int32_t c, unsigned char nextc) {
  bool needs_escaping = false;
  bool follows_digit =
      renderer->buffer->size > 0 &&
      cmark_isdigit(renderer->buffer->ptr[renderer->buffer->size - 1]);
  char encoded[ENCODED_SIZE];
  int options = renderer->options;

  needs_escaping =
      c < 0x80 && escape != LITERAL &&
      ((escape == NORMAL &&
        (c < 0x20 ||
	 c == '*' || c == '_' || c == '[' || c == ']' || c == '#' || c == '<' ||
         c == '>' || c == '\\' || c == '`' || c == '!' ||
         (c == '&' && cmark_isalpha(nextc)) || (c == '!' && nextc == '[') ||
	 ((CMARK_OPT_SMART & options) &&
	    ((c == '-' && nextc == '-') ||
	     (c == '.' && nextc == '.') ||
	     c == '"' || c == '\'')) ||
         (renderer->begin_content && (c == '-' || c == '+' || c == '=') &&
          // begin_content doesn't get set to false til we've passed digits
          // at the beginning of line, so...
          !follows_digit) ||
         (renderer->begin_content && (c == '.' || c == ')') && follows_digit &&
          (nextc == 0 || cmark_isspace(nextc))))) ||
       (escape == URL &&
        (c == '`' || c == '<' || c == '>' || cmark_isspace(c) || c == '\\' ||
         c == ')' || c == '(')) ||
       (escape == TITLE &&
        (c == '`' || c == '<' || c == '>' || c == '"' || c == '\\')));

  if (needs_escaping) {
    if (escape == URL && cmark_isspace(c)) {
      // use percent encoding for spaces
      snprintf(encoded, ENCODED_SIZE, "%%%2X", c);
      cmark_strbuf_puts(renderer->buffer, encoded);
      renderer->column += 3;
    } else if (cmark_ispunct(c)) {
      cmark_render_ascii(renderer, "\\");
      cmark_render_code_point(renderer, c);
    } else { // render as entity
      snprintf(encoded, ENCODED_SIZE, "&#%d;", c);
      cmark_strbuf_puts(renderer->buffer, encoded);
      renderer->column += strlen(encoded);
    }
  } else {
    cmark_render_code_point(renderer, c);
  }
}