Function jsmn_parse_primitive

tools/json-graph/src/jsmn.h:136–189

* Fills next available token with JSON primitive. */

 * Fills next available token with JSON primitive.
 */
static int jsmn_parse_primitive(jsmn_parser *parser, const char *js,
                                const size_t len, jsmntok_t *tokens,
                                const size_t num_tokens) {
  jsmntok_t *token;
  int start;

  start = parser->pos;

  for (; parser->pos < len && js[parser->pos] != '\0'; parser->pos++) {
    switch (js[parser->pos]) {
#ifndef JSMN_STRICT
    /* In strict mode primitive must be followed by "," or "}" or "]" */
    case ':':
#endif
    case '\t':
    case '\r':
    case '\n':
    case ' ':
    case ',':
    case ']':
    case '}':
      goto found;
    default:
                   /* to quiet a warning from gcc*/
      break;
    }
    if (js[parser->pos] < 32 || js[parser->pos] >= 127) {
      parser->pos = start;
      return JSMN_ERROR_INVAL;
    }
  }
#ifdef JSMN_STRICT
  /* In strict mode primitive must be followed by a comma/object/array */
  parser->pos = start;
  return JSMN_ERROR_PART;
#endif

found:
  if (tokens == NULL) {
    parser->pos--;
    return 0;
  }
  token = jsmn_alloc_token(parser, tokens, num_tokens);
  if (token == NULL) {
    parser->pos = start;
    return JSMN_ERROR_NOMEM;
  }
  jsmn_fill_token(token, JSMN_PRIMITIVE, start, parser->pos);
#ifdef JSMN_PARENT_LINKS
  token->parent = parser->toksuper;
#endif
  parser->pos--;
  return 0;
}

/**
 * Fills next token with JSON string.