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/*=============================================================================
Copyright (c) 2001-2003 Joel de Guzman
Copyright (c) 2001-2003 Hartmut Kaiser
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 <boost/spirit/include/classic_core.hpp>
#include <boost/spirit/include/classic_assign_actor.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <iostream>
#include <climits>
using namespace std;
using namespace BOOST_SPIRIT_CLASSIC_NS;
template <typename T>
struct ts_real_parser_policies : public ureal_parser_policies<T>
{
// These policies can be used to parse thousand separated
// numbers with at most 2 decimal digits after the decimal
// point. e.g. 123,456,789.01
typedef uint_parser<int, 10, 1, 2> uint2_t;
typedef uint_parser<T, 10, 1, -1> uint_parser_t;
typedef int_parser<int, 10, 1, -1> int_parser_t;
////////////////////////////////// 2 decimal places Max
template <typename ScannerT>
static typename parser_result<uint2_t, ScannerT>::type
parse_frac_n(ScannerT& scan)
{ return uint2_t().parse(scan); }
////////////////////////////////// No exponent
template <typename ScannerT>
static typename parser_result<chlit<>, ScannerT>::type
parse_exp(ScannerT& scan)
{ return scan.no_match(); }
////////////////////////////////// No exponent
template <typename ScannerT>
static typename parser_result<int_parser_t, ScannerT>::type
parse_exp_n(ScannerT& scan)
{ return scan.no_match(); }
////////////////////////////////// Thousands separated numbers
template <typename ScannerT>
static typename parser_result<uint_parser_t, ScannerT>::type
parse_n(ScannerT& scan)
{
typedef typename parser_result<uint_parser_t, ScannerT>::type RT;
static uint_parser<unsigned, 10, 1, 3> uint3_p;
static uint_parser<unsigned, 10, 3, 3> uint3_3_p;
if (RT hit = uint3_p.parse(scan))
{
T n;
typedef typename ScannerT::iterator_t iterator_t;
iterator_t save = scan.first;
while (match<> next = (',' >> uint3_3_p[assign_a(n)]).parse(scan))
{
hit.value((hit.value() * 1000) + n);
scan.concat_match(hit, next);
save = scan.first;
}
scan.first = save;
return hit;
}
return scan.no_match();
}
};
real_parser<double, ts_real_parser_policies<double> > const
ts_real_p = real_parser<double, ts_real_parser_policies<double> >();
template <typename T>
struct no_trailing_dot : public real_parser_policies<T>
{
static const bool allow_trailing_dot = false;
};
real_parser<double, no_trailing_dot<double> > const
notrdot_real_p = real_parser<double, no_trailing_dot<double> >();
template <typename T>
struct no_leading_dot : public real_parser_policies<T>
{
static const bool allow_leading_dot = false;
};
real_parser<double, no_leading_dot<double> > const
nolddot_real_p = real_parser<double, no_leading_dot<double> >();
///////////////////////////////////////////////////////////////////////////////
int
main()
{
cout << "/////////////////////////////////////////////////////////\n\n";
cout << "\t\tNumeric tests...\n\n";
cout << "/////////////////////////////////////////////////////////\n\n";
// *** The following assumes 32 bit integers. Modify these constant
// *** strings when appropriate. BEWARE PLATFORM DEPENDENT!
char const* max_unsigned = "4294967295";
char const* unsigned_overflow = "4294967296";
char const* max_int = "2147483647";
char const* int_overflow = "2147483648";
char const* min_int = "-2147483648";
char const* int_underflow = "-2147483649";
char const* max_binary = "11111111111111111111111111111111";
char const* binary_overflow = "100000000000000000000000000000000";
char const* max_octal = "37777777777";
char const* octal_overflow = "100000000000";
char const* max_hex = "FFFFFFFF";
char const* hex_overflow = "100000000";
#ifdef BOOST_HAS_LONG_LONG
char const* max_long_long = "9223372036854775807";
char const* long_long_overflow = "9223372036854775808";
char const* min_long_long = "-9223372036854775808";
char const* long_long_underflow = "-9223372036854775809";
#endif
// BEGIN TESTS...
unsigned u;
// unsigned integer
parse("123456", uint_p[assign_a(u)]);
BOOST_TEST(u == 123456);
parse(max_unsigned, uint_p[assign_a(u)]);
BOOST_TEST(u == UINT_MAX);
BOOST_TEST(!parse(unsigned_overflow, uint_p).full);
// signed integer
int i;
parse("123456", int_p[assign_a(i)]);
BOOST_TEST(i == 123456);
parse("-123456", int_p[assign_a(i)]);
BOOST_TEST(i == -123456);
parse(max_int, int_p[assign_a(i)]);
BOOST_TEST(i == INT_MAX);
parse(min_int, int_p[assign_a(i)]);
BOOST_TEST(i == INT_MIN);
BOOST_TEST(!parse(int_overflow, int_p).full);
BOOST_TEST(!parse(int_underflow, int_p).full);
BOOST_TEST(!parse("-", int_p).hit);
// binary
parse("11111110", bin_p[assign_a(u)]);
BOOST_TEST(u == 0xFE);
parse(max_binary, bin_p[assign_a(u)]);
BOOST_TEST(u == UINT_MAX);
BOOST_TEST(!parse(binary_overflow, bin_p).full);
// octal
parse("12545674515", oct_p[assign_a(u)]);
BOOST_TEST(u == 012545674515);
parse(max_octal, oct_p[assign_a(u)]);
BOOST_TEST(u == UINT_MAX);
BOOST_TEST(!parse(octal_overflow, oct_p).full);
// hex
parse("95BC8DF", hex_p[assign_a(u)]);
BOOST_TEST(u == 0x95BC8DF);
parse("abcdef12", hex_p[assign_a(u)]);
BOOST_TEST(u == 0xabcdef12);
parse(max_hex, hex_p[assign_a(u)]);
BOOST_TEST(u == UINT_MAX);
BOOST_TEST(!parse(hex_overflow, hex_p).full);
// limited fieldwidth
uint_parser<unsigned, 10, 1, 3> uint3_p;
parse("123456", uint3_p[assign_a(u)]);
BOOST_TEST(u == 123);
uint_parser<unsigned, 10, 1, 4> uint4_p;
parse("123456", uint4_p[assign_a(u)]);
BOOST_TEST(u == 1234);
uint_parser<unsigned, 10, 3, 3> uint3_3_p;
// thousand separated numbers
#define r (uint3_p >> *(',' >> uint3_3_p))
BOOST_TEST(parse("1,234,567,890", r).full); // OK
BOOST_TEST(parse("12,345,678,900", r).full); // OK
BOOST_TEST(parse("123,456,789,000", r).full); // OK
BOOST_TEST(!parse("1000,234,567,890", r).full); // Bad
BOOST_TEST(!parse("1,234,56,890", r).full); // Bad
BOOST_TEST(!parse("1,66", r).full); // Bad
// long long
#ifdef BOOST_HAS_LONG_LONG
// Some compilers have long long, but don't define the
// LONG_LONG_MIN and LONG_LONG_MAX macros in limits.h. This
// assumes that long long is 64 bits.
#if !defined(LONG_LONG_MIN) && !defined(LONG_LONG_MAX) \
&& !defined(ULONG_LONG_MAX)
#define ULONG_LONG_MAX 0xffffffffffffffffLLU
#define LONG_LONG_MAX 0x7fffffffffffffffLL
#define LONG_LONG_MIN (-LONG_LONG_MAX - 1)
#endif
::boost::long_long_type ll;
int_parser< ::boost::long_long_type> long_long_p;
parse("1234567890123456789", long_long_p[assign_a(ll)]);
BOOST_TEST(ll == 1234567890123456789LL);
parse("-1234567890123456789", long_long_p[assign_a(ll)]);
BOOST_TEST(ll == -1234567890123456789LL);
parse(max_long_long, long_long_p[assign_a(ll)]);
BOOST_TEST(ll == LONG_LONG_MAX);
parse(min_long_long, long_long_p[assign_a(ll)]);
BOOST_TEST(ll == LONG_LONG_MIN);
#if defined(__GNUG__) && (__GNUG__ == 3) && (__GNUC_MINOR__ < 3) \
&& !defined(__EDG__)
// gcc 3.2.3 crashes on parse(long_long_overflow, long_long_p)
// wrapping long_long_p into a rule avoids the crash
rule<> gcc_3_2_3_long_long_r = long_long_p;
BOOST_TEST(!parse(long_long_overflow, gcc_3_2_3_long_long_r).full);
BOOST_TEST(!parse(long_long_underflow, gcc_3_2_3_long_long_r).full);
#else
BOOST_TEST(!parse(long_long_overflow, long_long_p).full);
BOOST_TEST(!parse(long_long_underflow, long_long_p).full);
#endif
#endif
// real numbers
double d;
BOOST_TEST(parse("1234", ureal_p[assign_a(d)]).full && d == 1234); // Good.
BOOST_TEST(parse("1.2e3", ureal_p[assign_a(d)]).full && d == 1.2e3); // Good.
BOOST_TEST(parse("1.2e-3", ureal_p[assign_a(d)]).full && d == 1.2e-3); // Good.
BOOST_TEST(parse("1.e2", ureal_p[assign_a(d)]).full && d == 1.e2); // Good.
BOOST_TEST(parse(".2e3", ureal_p[assign_a(d)]).full && d == .2e3); // Good.
BOOST_TEST(parse("2e3", ureal_p[assign_a(d)]).full && d == 2e3); // Good. No fraction
BOOST_TEST(!parse("e3", ureal_p).full); // Bad! No number
BOOST_TEST(!parse("-1.2e3", ureal_p).full); // Bad! Negative number
BOOST_TEST(!parse("+1.2e3", ureal_p).full); // Bad! Positive sign
BOOST_TEST(!parse("1.2e", ureal_p).full); // Bad! No exponent
BOOST_TEST(!parse("-.3", ureal_p).full); // Bad! Negative
BOOST_TEST(parse("-1234", real_p[assign_a(d)]).full && d == -1234); // Good.
BOOST_TEST(parse("-1.2e3", real_p[assign_a(d)]).full && d == -1.2e3); // Good.
BOOST_TEST(parse("+1.2e3", real_p[assign_a(d)]).full && d == 1.2e3); // Good.
BOOST_TEST(parse("-0.1", real_p[assign_a(d)]).full && d == -0.1); // Good.
BOOST_TEST(parse("-1.2e-3", real_p[assign_a(d)]).full && d == -1.2e-3); // Good.
BOOST_TEST(parse("-1.e2", real_p[assign_a(d)]).full && d == -1.e2); // Good.
BOOST_TEST(parse("-.2e3", real_p[assign_a(d)]).full && d == -.2e3); // Good.
BOOST_TEST(parse("-2e3", real_p[assign_a(d)]).full && d == -2e3); // Good. No fraction
BOOST_TEST(!parse("-e3", real_p).full); // Bad! No number
BOOST_TEST(!parse("-1.2e", real_p).full); // Bad! No exponent
BOOST_TEST(!parse("1234", strict_ureal_p[assign_a(d)]).full); // Bad. Strict real
BOOST_TEST(parse("1.2", strict_ureal_p[assign_a(d)]).full && d == 1.2); // Good.
BOOST_TEST(!parse("-1234", strict_real_p[assign_a(d)]).full); // Bad. Strict real
BOOST_TEST(parse("123.", strict_real_p[assign_a(d)]).full && d == 123); // Good.
BOOST_TEST(parse("3.E6", strict_real_p[assign_a(d)]).full && d == 3e6); // Good.
BOOST_TEST(!parse("1234.", notrdot_real_p[assign_a(d)]).full); // Bad trailing dot
BOOST_TEST(!parse(".1234", nolddot_real_p[assign_a(d)]).full); // Bad leading dot
// Special thousands separated numbers
BOOST_TEST(parse("123,456,789.01", ts_real_p[assign_a(d)]).full && d == 123456789.01); // Good.
BOOST_TEST(parse("12,345,678.90", ts_real_p[assign_a(d)]).full && d == 12345678.90); // Good.
BOOST_TEST(parse("1,234,567.89", ts_real_p[assign_a(d)]).full && d == 1234567.89); // Good.
BOOST_TEST(!parse("1234,567,890", ts_real_p).full); // Bad.
BOOST_TEST(!parse("1,234,5678,9", ts_real_p).full); // Bad.
BOOST_TEST(!parse("1,234,567.89e6", ts_real_p).full); // Bad.
BOOST_TEST(!parse("1,66", ts_real_p).full); // Bad.
// END TESTS.
/////////////////////////////////////////////////////////////////
return boost::report_errors();
}
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