spirit/test/karma/repeat1.cpp
2018-10-01 02:16:04 +03:00

145 lines
5.1 KiB
C++

// Copyright (c) 2001-2011 Hartmut Kaiser
//
// Distributed under 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 <boost/config/warning_disable.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <boost/assign/std/vector.hpp>
#include <boost/spirit/include/karma_operator.hpp>
#include <boost/spirit/include/karma_char.hpp>
#include <boost/spirit/include/karma_string.hpp>
#include <boost/spirit/include/karma_numeric.hpp>
#include <boost/spirit/include/karma_directive.hpp>
#include <boost/spirit/include/karma_operator.hpp>
#include <boost/spirit/include/karma_action.hpp>
#include <boost/spirit/include/karma_nonterminal.hpp>
#include <boost/spirit/include/karma_auxiliary.hpp>
#include <boost/spirit/include/karma_directive.hpp>
#include <boost/spirit/include/karma_phoenix_attributes.hpp>
#include <boost/spirit/include/support_argument.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <boost/fusion/include/std_pair.hpp>
#include <string>
#include <iostream>
#include <vector>
#include "test.hpp"
using namespace spirit_test;
///////////////////////////////////////////////////////////////////////////////
struct action
{
action (std::vector<char>& vec)
: vec(vec), it(vec.begin())
{}
void operator()(unsigned& value, boost::spirit::unused_type, bool& pass) const
{
pass = (it != vec.end());
if (pass)
value = *it++;
}
std::vector<char>& vec;
mutable std::vector<char>::iterator it;
};
///////////////////////////////////////////////////////////////////////////////
int main()
{
using namespace boost::spirit::ascii;
using boost::spirit::karma::repeat;
using boost::spirit::karma::inf;
using boost::spirit::karma::int_;
using boost::spirit::karma::hex;
using boost::spirit::karma::_1;
{ // lazy repeats
using boost::phoenix::val;
std::string str8("aaaaaaaa");
BOOST_TEST(test("aaaaaaaa", repeat[char_], str8)); // kleene synonym
BOOST_TEST(test("aaaaaaaa", repeat(val(8))[char_], str8));
BOOST_TEST(test("aaa", repeat(val(3))[char_], str8));
BOOST_TEST(!test("aaaaaaaa", repeat(val(9))[char_], str8));
std::string str3("aaa");
BOOST_TEST(test("aaaaa", repeat(val(3), val(5))[char_], str8));
BOOST_TEST(test("aaa", repeat(val(3), val(5))[char_], str3));
BOOST_TEST(!test("aaa", repeat(val(4), val(5))[char_], str3));
BOOST_TEST(test("aaa", repeat(val(3), val(inf))[char_], str3));
BOOST_TEST(test("aaaaaaaa", repeat(val(3), val(inf))[char_], str8));
BOOST_TEST(!test("aaa", repeat(val(4), val(inf))[char_], str3));
}
{
std::string str8("aaaaaaaa");
BOOST_TEST(test("aaaaaaaa", repeat[char_], str8)); // kleene synonym
BOOST_TEST(test("aaaaaaaa", repeat(8)[char_], str8));
BOOST_TEST(test("aaa", repeat(3)[char_], str8));
BOOST_TEST(!test("aaaaaaaa", repeat(9)[char_], str8));
std::string str3("aaa");
BOOST_TEST(test("aaaaa", repeat(3, 5)[char_], str8));
BOOST_TEST(test("aaa", repeat(3, 5)[char_], str3));
BOOST_TEST(!test("aaa", repeat(4, 5)[char_], str3));
BOOST_TEST(test("aaa", repeat(3, inf)[char_], str3));
BOOST_TEST(test("aaaaaaaa", repeat(3, inf)[char_], str8));
BOOST_TEST(!test("aaa", repeat(4, inf)[char_], str3));
}
{
std::string str8("aaaaaaaa");
BOOST_TEST(test_delimited("a a a a a a a a ", repeat[char_], str8, space));
BOOST_TEST(test_delimited("a a a a a a a a ", repeat(8)[char_], str8, space));
BOOST_TEST(test_delimited("a a a ", repeat(3)[char_], str8, space));
BOOST_TEST(!test_delimited("a a a a a a a a ", repeat(9)[char_], str8, space));
std::string str3("aaa");
BOOST_TEST(test_delimited("a a a a a ", repeat(3, 5)[char_], str8, space));
BOOST_TEST(test_delimited("a a a ", repeat(3, 5)[char_], str3, space));
BOOST_TEST(!test_delimited("a a a ", repeat(4, 5)[char_], str3, space));
BOOST_TEST(test_delimited("a a a ", repeat(3, inf)[char_], str3, space));
BOOST_TEST(test_delimited("a a a a a a a a ", repeat(3, inf)[char_], str8, space));
BOOST_TEST(!test_delimited("a a a ", repeat(4, inf)[char_], str3, space));
}
{
// make sure user defined end condition is applied if no attribute
// is passed in
using namespace boost::assign;
std::vector<char> v;
v += 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h';
BOOST_TEST(test("[6162636465666768]",
'[' << repeat[hex[action(v)]] << ']'));
}
// we support Phoenix attributes only starting with V2.2
#if SPIRIT_VERSION >= 0x2020
{
namespace ascii = boost::spirit::ascii;
namespace phoenix = boost::phoenix;
char c = 'a';
BOOST_TEST(test("bcd", repeat(3)[ascii::char_[_1 = ++phoenix::ref(c)]]));
c = 'a';
BOOST_TEST(test("bcd", repeat(3)[ascii::char_], ++phoenix::ref(c)));
}
#endif
return boost::report_errors();
}