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- /*=============================================================================
- Copyright (c) 1998-2003 Joel de Guzman
- http://spirit.sourceforge.net/
- Use, modification and distribution is subject to the Boost Software
- License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- http://www.boost.org/LICENSE_1_0.txt)
- =============================================================================*/
- #include <iostream>
- #include <boost/detail/lightweight_test.hpp>
- #include <list>
- #include <boost/spirit/include/classic_core.hpp>
- #include "impl/string_length.hpp"
- using namespace BOOST_SPIRIT_CLASSIC_NS;
- ///////////////////////////////////////////////////////////////////////////////
- //
- // Scanner tests
- //
- ///////////////////////////////////////////////////////////////////////////////
- struct to_upper_iter_policy : public iteration_policy {
- char filter(char ch) const
- { using namespace std; return char(toupper(ch)); }
- };
- inline bool test_isspace(char c)
- {
- using namespace std; return isspace(c) != 0;
- }
- inline bool test_islower(char c)
- {
- using namespace std; return islower(c) != 0;
- }
- struct skip_white_iter_policy : public iteration_policy {
- template <typename ScannerT>
- void
- advance(ScannerT const& scan) const
- {
- do
- ++scan.first;
- while (!at_end(scan) && test_isspace(get(scan)));
- }
- };
- void
- scanner_tests()
- {
- char const* cp = "The Big Brown Fox Jumped \n\tOver The Lazy Dog's Back";
- char const* cp_first = cp;
- char const* cp_last = cp + test_impl::string_length(cp);
- scanner<char const*>
- pp1(cp_first, cp_last);
- // compile check only...
- scanner<> spp1(pp1); (void)spp1;
- scanner<> spp2(pp1); (void)spp2;
- // spp1 = spp2;
- // compile check only...
- while (!pp1.at_end())
- {
- std::cout << *pp1;
- ++pp1;
- }
- std::cout << '\n';
- cp_first = cp;
- std::list<char> li(cp_first, cp_last);
- std::list<char>::iterator li_first = li.begin();
- std::list<char>::iterator li_last = li.end();
- scanner<std::list<char>::iterator>
- pp2(li_first, li_last);
- while (!pp2.at_end())
- {
- std::cout << *pp2;
- ++pp2;
- }
- std::cout << '\n';
- li_first = li.begin();
- scanner<char const*, scanner_policies<to_upper_iter_policy> >
- pp3(cp_first, cp_last);
- while (!pp3.at_end())
- {
- std::cout << *pp3;
- BOOST_TEST(!test_islower(*pp3));
- ++pp3;
- }
- std::cout << '\n';
- cp_first = cp;
- scanner<char const*, scanner_policies<skip_white_iter_policy> >
- pp4(cp_first, cp_last);
- // compile check only...
- pp1.change_policies(scanner_policies<skip_white_iter_policy>());
- // compile check only...
- while (!pp4.at_end())
- {
- std::cout << *pp4;
- BOOST_TEST(!test_isspace(*pp4));
- ++pp4;
- }
- std::cout << '\n';
- cp_first = cp;
- std::cout << "sizeof(scanner<>) == " << sizeof(scanner<>) << '\n';
- parse_info<> pi = parse("12abcdefg12345ABCDEFG789", +digit_p, alpha_p);
- BOOST_TEST(pi.hit);
- BOOST_TEST(pi.full);
- pi = parse("abcdefg12345ABCDEFG789", +digit_p, alpha_p);
- BOOST_TEST(pi.hit);
- BOOST_TEST(pi.full);
- }
- ///////////////////////////////////////////////////////////////////////////////
- //
- // Main
- //
- ///////////////////////////////////////////////////////////////////////////////
- int
- main()
- {
- scanner_tests();
- return boost::report_errors();
- }
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