bool parse(scanner_t& scanner, skip_t& ) const { scanner.save(); const int value = scanner.read(); if (value != -1 && traits_type::to_char_type(value) == character) { scanner.commit(); return true; } scanner.rollback(); return false; }
bool parse(scanner_t& scanner, skip_t& skip_p) const { scanner.save(); const int input = scanner.read(); if (input != -1 && traits_type::to_char_type(input) >= small && traits_type::to_char_type(input) <= large) { scanner.commit(); return true; } scanner.rollback(); return false; }
bool parse(scanner_t& scanner, skip_t& ) const { scanner.save(); for (typename string_type::const_iterator itor = literal.begin(); itor != literal.end(); ++itor) { const int val = scanner.read(); if (val == -1 || traits_type::to_char_type(val) != *itor) { scanner.rollback(); return false; } } scanner.commit(); return true; }