#include <iostream> #include <cassert> #include <list> using namespace std; //#define SPIRIT_DEBUG #include "boost/spirit/core.hpp" using namespace spirit; /////////////////////////////////////////////////////////////////////////////// // // Scanner tests // /////////////////////////////////////////////////////////////////////////////// struct to_upper_iter_policy : public iteration_policy { char filter(char ch) const { return toupper(ch); } }; inline bool test_isspace(char c) { using namespace std; return isspace(c); } inline bool test_islower(char c) { using namespace std; return islower(c); } 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 + strlen(cp); scanner<char const*> pp1(cp_first, cp_last); // compile check only... scanner<> spp1(pp1); scanner<> spp2(pp1); // spp1 = spp2; // compile check only... while (!pp1.at_end()) { cout << *pp1; ++pp1; } cout << '\n'; cp_first = cp; #if (defined(BOOST_MSVC) && (BOOST_MSVC <= 1300)) \ || defined(BOOST_INTEL_CXX_VERSION) #else // VC++6 Cannot handle iterator traits properly list<char> li(cp_first, cp_last); list<char>::iterator li_first = li.begin(); list<char>::iterator li_last = li.end(); scanner<list<char>::iterator> pp2(li_first, li_last); while (!pp2.at_end()) { cout << *pp2; ++pp2; } cout << '\n'; li_first = li.begin(); #endif scanner<char const*, scanner_policies<to_upper_iter_policy> > pp3(cp_first, cp_last); while (!pp3.at_end()) { cout << *pp3; assert(!test_islower(*pp3)); ++pp3; } 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()) { cout << *pp4; assert(!test_isspace(*pp4)); ++pp4; } cout << '\n'; cp_first = cp; cout << "sizeof(scanner<>) == " << sizeof(scanner<>) << '\n'; parse_info<> pi = parse("12abcdefg12345ABCDEFG789", +digit_p, alpha_p); assert(pi.hit); assert(pi.full); pi = parse("abcdefg12345ABCDEFG789", +digit_p, alpha_p); assert(pi.hit); assert(pi.full); } /////////////////////////////////////////////////////////////////////////////// // // Main // /////////////////////////////////////////////////////////////////////////////// int main() { scanner_tests(); cout << "Tests concluded successfully\n"; return 0; }