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spirit/test/qi/sequence.cpp
Nikita Kniazev 5e4ab36170 Tests: Include less headers
2018-10-01 02:16:04 +03:00

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/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
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/detail/lightweight_test.hpp>
#include <boost/spirit/include/qi_operator.hpp>
#include <boost/spirit/include/qi_char.hpp>
#include <boost/spirit/include/qi_string.hpp>
#include <boost/spirit/include/qi_numeric.hpp>
#include <boost/spirit/include/qi_directive.hpp>
#include <boost/spirit/include/qi_action.hpp>
#include <boost/spirit/include/qi_nonterminal.hpp>
#include <boost/spirit/include/support_argument.hpp>
#include <boost/spirit/include/phoenix_core.hpp>
#include <boost/spirit/include/phoenix_operator.hpp>
#include <string>
#include <iostream>
#include "test.hpp"
int
main()
{
using namespace boost::spirit::ascii;
using boost::spirit::qi::lit;
using boost::spirit::qi::unused;
using boost::spirit::qi::int_;
using boost::spirit::qi::double_;
using boost::spirit::qi::what;
using boost::spirit::qi::rule;
using boost::spirit::qi::_1;
using boost::spirit::qi::_2;
using boost::fusion::vector;
using boost::fusion::at_c;
using spirit_test::test;
using spirit_test::test_attr;
using spirit_test::print_info;
{
BOOST_TEST((test("aa", char_ >> char_)));
BOOST_TEST((test("aaa", char_ >> char_ >> char_('a'))));
BOOST_TEST((test("xi", char_('x') >> char_('i'))));
BOOST_TEST((!test("xi", char_('x') >> char_('o'))));
BOOST_TEST((test("xin", char_('x') >> char_('i') >> char_('n'))));
}
{
BOOST_TEST((test(" a a", char_ >> char_, space)));
BOOST_TEST((test(" x i", char_('x') >> char_('i'), space)));
BOOST_TEST((!test(" x i", char_('x') >> char_('o'), space)));
}
{
BOOST_TEST((test(" Hello, World", lit("Hello") >> ',' >> "World", space)));
}
{
vector<char, char> attr;
BOOST_TEST((test_attr("abcdefg", char_ >> char_ >> "cdefg", attr)));
BOOST_TEST((at_c<0>(attr) == 'a'));
BOOST_TEST((at_c<1>(attr) == 'b'));
}
{
vector<char, char, char> attr;
BOOST_TEST((test_attr(" a\n b\n c", char_ >> char_ >> char_, attr, space)));
BOOST_TEST((at_c<0>(attr) == 'a'));
BOOST_TEST((at_c<1>(attr) == 'b'));
BOOST_TEST((at_c<2>(attr) == 'c'));
}
{
// unused_type means we don't care about the attribute
vector<char, char> attr;
BOOST_TEST((test_attr("abc", char_ >> 'b' >> char_, attr)));
BOOST_TEST((at_c<0>(attr) == 'a'));
BOOST_TEST((at_c<1>(attr) == 'c'));
}
{
// unused_type means we don't care about the attribute, even at the end
vector<char, char> attr;
BOOST_TEST((test_attr("acb", char_ >> char_ >> 'b', attr)));
BOOST_TEST((at_c<0>(attr) == 'a'));
BOOST_TEST((at_c<1>(attr) == 'c'));
}
{
// "hello" has an unused_type. unused attributes are not part of the sequence
vector<char, char> attr;
BOOST_TEST((test_attr("a hello c", char_ >> "hello" >> char_, attr, space)));
BOOST_TEST((at_c<0>(attr) == 'a'));
BOOST_TEST((at_c<1>(attr) == 'c'));
}
{
// a single element
char attr;
BOOST_TEST((test_attr("ab", char_ >> 'b', attr)));
BOOST_TEST((attr == 'a'));
}
{
// a single element fusion sequence
vector<char> attr;
BOOST_TEST((test_attr("ab", char_ >> 'b', attr)));
BOOST_TEST((at_c<0>(attr) == 'a'));
}
{
// make sure single element tuples get passed through if the rhs
// has a single element tuple as its attribute
vector<double, int> fv;
rule<char const*, vector<double, int>()> r;
r %= double_ >> ',' >> int_;
BOOST_TEST((test_attr("test:2.0,1", "test:" >> r, fv) &&
fv == vector<double, int>(2.0, 1)));
}
{
// unused means we don't care about the attribute
BOOST_TEST((test_attr("abc", char_ >> 'b' >> char_, unused)));
}
{
BOOST_TEST((test("aA", no_case[char_('a') >> 'a'])));
BOOST_TEST((test("BEGIN END", no_case[lit("begin") >> "end"], space)));
BOOST_TEST((!test("BEGIN END", no_case[lit("begin") >> "nend"], space)));
}
{
#ifdef SPIRIT_NO_COMPILE_CHECK
char_ >> char_ = char_ >> char_; // disallow this!
#endif
}
{ // alternative forms of attributes. Allow sequences to take in
// stl containers.
std::vector<char> v;
BOOST_TEST(test_attr("abc", char_ >> char_ >> char_, v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
}
{ // alternative forms of attributes. Allow sequences to take in
// stl containers.
std::vector<char> v;
BOOST_TEST(test_attr("a,b,c", char_ >> *(',' >> char_), v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
}
{ // alternative forms of attributes. Allow sequences to take in
// stl containers.
std::vector<char> v;
BOOST_TEST(test_attr("abc", char_ >> *char_, v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
}
{ // alternative forms of attributes. Allow sequences to take in
// stl containers.
using boost::spirit::qi::hold;
std::vector<char> v;
BOOST_TEST(test_attr("abc", char_ >> *(char_ >> char_), v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
v.clear();
BOOST_TEST(!test_attr("abcd", char_ >> *(char_ >> char_), v));
v.clear();
BOOST_TEST(test_attr("abcdef", char_ >> *hold[char_ >> char_] >> char_, v));
BOOST_TEST(v.size() == 6);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
BOOST_TEST(v[3] == 'd');
BOOST_TEST(v[4] == 'e');
BOOST_TEST(v[5] == 'f');
v.clear();
BOOST_TEST(test_attr("abc", char_ >> +(char_ >> char_), v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
}
{ // alternative forms of attributes. Allow sequences to take in
// stl containers.
std::vector<char> v;
BOOST_TEST(test_attr("abc", char_ >> -(+char_), v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == 'a');
BOOST_TEST(v[1] == 'b');
BOOST_TEST(v[2] == 'c');
}
{ // alternative forms of attributes. Allow sequences to take in
// stl containers.
std::string s;
BOOST_TEST(test_attr("foobar", string("foo") >> string("bar"), s));
BOOST_TEST(s == "foobar");
s.clear();
using boost::spirit::qi::hold;
rule<char const*, std::string()> word = +char_("abc");
BOOST_TEST(test_attr("ab.bc.ca", *hold[word >> string(".")] >> word, s));
BOOST_TEST(s == "ab.bc.ca");
}
// alternative forms of attributes. Allow sequences to take in
// stl containers of stl containers.
{
std::vector<std::string> v;
BOOST_TEST(test_attr("abc1,abc2",
*~char_(',') >> *(',' >> *~char_(',')), v));
BOOST_TEST(v.size() == 2 && v[0] == "abc1" && v[1] == "abc2");
}
{
std::vector<std::string> v;
rule<char const*, std::string()> e = *~char_(',');
rule<char const*, std::vector<std::string>()> l = e >> *(',' >> e);
BOOST_TEST(test_attr("abc1,abc2,abc3", l, v));
BOOST_TEST(v.size() == 3);
BOOST_TEST(v[0] == "abc1");
BOOST_TEST(v[1] == "abc2");
BOOST_TEST(v[2] == "abc3");
}
// do the same with a plain string object
{
std::string s;
BOOST_TEST(test_attr("abc1,abc2",
*~char_(',') >> *(',' >> *~char_(',')), s));
BOOST_TEST(s == "abc1abc2");
}
{
std::string s;
rule<char const*, std::string()> e = *~char_(',');
rule<char const*, std::string()> l = e >> *(',' >> e);
BOOST_TEST(test_attr("abc1,abc2,abc3", l, s));
BOOST_TEST(s == "abc1abc2abc3");
}
{
std::vector<char> v;
BOOST_TEST(test_attr("ab", char_ >> -char_, v));
BOOST_TEST(v.size() == 2 && v[0] == 'a' && v[1] == 'b');
v.clear();
BOOST_TEST(test_attr("a", char_ >> -char_, v));
BOOST_TEST(v.size() == 1 && v[0] == 'a');
v.clear();
BOOST_TEST(test_attr("a", char_, v));
BOOST_TEST(v.size() == 1 && v[0] == 'a');
}
{
std::vector<boost::optional<char> > v;
BOOST_TEST(test_attr("ab", char_ >> -char_, v));
BOOST_TEST(v.size() == 2 && v[0] == 'a' && v[1] == 'b');
v.clear();
BOOST_TEST(test_attr("a", char_ >> -char_, v));
BOOST_TEST(v.size() == 2 && v[0] == 'a' && !v[1]);
v.clear();
BOOST_TEST(test_attr("a", char_, v));
BOOST_TEST(v.size() == 1 && v[0] == 'a');
}
{ // test action
using boost::phoenix::ref;
char c = 0;
int n = 0;
BOOST_TEST(test("x123\"a string\"", (char_ >> int_ >> "\"a string\"")
[ref(c) = _1, ref(n) = _2]));
BOOST_TEST(c == 'x');
BOOST_TEST(n == 123);
}
{ // test action
using boost::phoenix::ref;
char c = 0;
int n = 0;
BOOST_TEST(test("x 123 \"a string\"", (char_ >> int_ >> "\"a string\"")
[ref(c) = _1, ref(n) = _2], space));
BOOST_TEST(c == 'x');
BOOST_TEST(n == 123);
}
{ // testing "what"
print_info(what(alpha | char_('x') >> lit("hello") >> int_));
}
// { // compile check only
// using boost::spirit::qi::rule;
// typedef boost::fusion::vector<int, double> tuple_type;
// typedef std::vector<boost::fusion::vector<int, double> > attr_type;
//
// rule<char const*, tuple_type()> r = int_ >> ',' >> double_;
// rule<char const*, attr_type()> r2 = r >> *(',' >> r);
// //~ rule<char const*, attr_type()> r2 = r % ',';
// }
return boost::report_errors();
}
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