| 1 | // Boost.Assign library |
| 2 | // |
| 3 | // Copyright Thorsten Ottosen 2003-2004. Use, modification and |
| 4 | // distribution is subject to the Boost Software License, Version |
| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
| 7 | // |
| 8 | // For more information, see http://www.boost.org/libs/assign/ |
| 9 | // |
| 10 | |
| 11 | |
| 12 | #ifndef BOOST_ASSIGN_LIST_OF_HPP |
| 13 | #define BOOST_ASSIGN_LIST_OF_HPP |
| 14 | |
| 15 | #if defined(_MSC_VER) |
| 16 | # pragma once |
| 17 | #endif |
| 18 | |
| 19 | #include <boost/assign/assignment_exception.hpp> |
| 20 | #include <boost/range/iterator_range.hpp> |
| 21 | #include <boost/config.hpp> |
| 22 | #include <boost/tuple/tuple.hpp> |
| 23 | #include <boost/type_traits/remove_const.hpp> |
| 24 | #include <boost/type_traits/remove_reference.hpp> |
| 25 | #include <boost/type_traits/is_reference.hpp> |
| 26 | #include <boost/static_assert.hpp> |
| 27 | #include <boost/throw_exception.hpp> |
| 28 | #include <boost/type_traits/conditional.hpp> |
| 29 | #include <boost/type_traits/detail/yes_no_type.hpp> |
| 30 | #include <boost/type_traits/decay.hpp> |
| 31 | #include <boost/type_traits/is_array.hpp> |
| 32 | #include <boost/utility/enable_if.hpp> |
| 33 | #include <boost/utility/declval.hpp> |
| 34 | #include <boost/move/utility.hpp> |
| 35 | #include <deque> |
| 36 | #include <cstddef> |
| 37 | #include <utility> |
| 38 | #ifndef BOOST_NO_CXX11_HDR_ARRAY |
| 39 | #include <array> |
| 40 | #endif |
| 41 | #ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST |
| 42 | #include <initializer_list> |
| 43 | #endif |
| 44 | |
| 45 | // some gcc < 4.7 do not support all of the variadic features required for boost::assign |
| 46 | #if !(defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || BOOST_WORKAROUND(BOOST_GCC, < 40700) \ |
| 47 | || defined(BOOST_NO_CXX11_RVALUE_REFERENCES)) |
| 48 | # define BOOST_ASSIGN_USE_VARIADIC_TEMPLATES |
| 49 | #endif |
| 50 | |
| 51 | #if !defined(BOOST_ASSIGN_USE_VARIADIC_TEMPLATES) |
| 52 | |
| 53 | #include <boost/preprocessor/repetition/enum_binary_params.hpp> |
| 54 | #include <boost/preprocessor/repetition/enum_params.hpp> |
| 55 | #include <boost/preprocessor/iteration/local.hpp> |
| 56 | |
| 57 | #endif |
| 58 | |
| 59 | #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| 60 | // BCB requires full type definition for is_array<> to work correctly. |
| 61 | #include <boost/array.hpp> |
| 62 | #endif |
| 63 | |
| 64 | namespace boost |
| 65 | { |
| 66 | |
| 67 | // this here is necessary to avoid compiler error in <boost/array.hpp> |
| 68 | #if !BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| 69 | template< class T, std::size_t sz > |
| 70 | class array; |
| 71 | #endif |
| 72 | |
| 73 | namespace assign_detail |
| 74 | { |
| 75 | ///////////////////////////////////////////////////////////////////////// |
| 76 | // Part 0: common conversion code |
| 77 | ///////////////////////////////////////////////////////////////////////// |
| 78 | |
| 79 | template< class T > |
| 80 | struct assign_decay |
| 81 | { |
| 82 | // |
| 83 | // Add constness to array parameters |
| 84 | // to support string literals properly |
| 85 | // |
| 86 | typedef BOOST_DEDUCED_TYPENAME ::boost::conditional< |
| 87 | ::boost::is_array<T>::value, |
| 88 | ::boost::decay<const T>, |
| 89 | ::boost::decay<T> >::type::type type; |
| 90 | }; |
| 91 | |
| 92 | template< class T, std::size_t sz > |
| 93 | type_traits::yes_type assign_is_array( const array<T,sz>* ); |
| 94 | #ifndef BOOST_NO_CXX11_HDR_ARRAY |
| 95 | template< class T, std::size_t sz > |
| 96 | type_traits::yes_type assign_is_array( const std::array<T, sz>* ); |
| 97 | #endif |
| 98 | type_traits::no_type assign_is_array( ... ); |
| 99 | template< class T, class U > |
| 100 | type_traits::yes_type assign_is_pair( const std::pair<T,U>* ); |
| 101 | type_traits::no_type assign_is_pair( ... ); |
| 102 | |
| 103 | |
| 104 | |
| 105 | struct array_type_tag |
| 106 | { |
| 107 | #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| 108 | private: |
| 109 | char dummy_; // BCB would by default use 8 bytes |
| 110 | #endif |
| 111 | }; |
| 112 | struct adapter_type_tag |
| 113 | { |
| 114 | #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| 115 | private: |
| 116 | char dummy_; // BCB would by default use 8 bytes |
| 117 | #endif |
| 118 | }; |
| 119 | struct pair_type_tag |
| 120 | { |
| 121 | #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| 122 | private: |
| 123 | char dummy_; // BCB would by default use 8 bytes |
| 124 | #endif |
| 125 | }; |
| 126 | struct default_type_tag |
| 127 | { |
| 128 | #if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564)) |
| 129 | private: |
| 130 | char dummy_; // BCB would by default use 8 bytes |
| 131 | #endif |
| 132 | }; |
| 133 | |
| 134 | #ifndef BOOST_NO_CXX11_HDR_INITIALIZER_LIST |
| 135 | template< class C > |
| 136 | struct is_initializer_list : boost::false_type {}; |
| 137 | |
| 138 | template< class E > |
| 139 | struct is_initializer_list< std::initializer_list<E> > : boost::true_type {}; |
| 140 | #endif |
| 141 | |
| 142 | template< class DerivedTAssign, class Iterator > |
| 143 | class converter |
| 144 | { |
| 145 | public: // Range operations |
| 146 | typedef Iterator iterator; |
| 147 | typedef Iterator const_iterator; |
| 148 | |
| 149 | iterator begin() const |
| 150 | { |
| 151 | return static_cast<const DerivedTAssign*>(this)->begin(); |
| 152 | } |
| 153 | |
| 154 | iterator end() const |
| 155 | { |
| 156 | return static_cast<const DerivedTAssign*>(this)->end(); |
| 157 | } |
| 158 | |
| 159 | public: |
| 160 | |
| 161 | template< class Container > |
| 162 | Container convert_to_container() const |
| 163 | { |
| 164 | static Container* c = 0; |
| 165 | BOOST_STATIC_CONSTANT( bool, is_array_flag = sizeof( assign_detail::assign_is_array( c ) ) |
| 166 | == sizeof( type_traits::yes_type ) ); |
| 167 | |
| 168 | typedef BOOST_DEDUCED_TYPENAME ::boost::conditional< is_array_flag, |
| 169 | array_type_tag, |
| 170 | default_type_tag >::type tag_type; |
| 171 | |
| 172 | return convert<Container>( c, tag_type() ); |
| 173 | } |
| 174 | |
| 175 | private: |
| 176 | |
| 177 | template< class Container > |
| 178 | Container convert( const Container*, default_type_tag ) const |
| 179 | { |
| 180 | |
| 181 | #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1) |
| 182 | // old Dinkumware doesn't support iterator type as template |
| 183 | Container result; |
| 184 | iterator it = begin(), |
| 185 | e = end(); |
| 186 | while( it != e ) |
| 187 | { |
| 188 | result.insert( result.end(), *it ); |
| 189 | ++it; |
| 190 | } |
| 191 | return result; |
| 192 | #else |
| 193 | return Container( begin(), end() ); |
| 194 | #endif |
| 195 | } |
| 196 | |
| 197 | template< class Array > |
| 198 | Array convert( const Array*, array_type_tag ) const |
| 199 | { |
| 200 | typedef BOOST_DEDUCED_TYPENAME Array::value_type value_type; |
| 201 | |
| 202 | #if BOOST_WORKAROUND(BOOST_INTEL, <= 910 ) || BOOST_WORKAROUND(__SUNPRO_CC, <= 0x5100 ) |
| 203 | BOOST_DEDUCED_TYPENAME remove_const<Array>::type ar; |
| 204 | #else |
| 205 | Array ar; |
| 206 | #endif |
| 207 | const std::size_t sz = ar.size(); |
| 208 | if( sz < static_cast<const DerivedTAssign*>(this)->size() ) |
| 209 | BOOST_THROW_EXCEPTION( assign::assignment_exception( "array initialized with too many elements" ) ); |
| 210 | std::size_t n = 0; |
| 211 | iterator i = begin(), |
| 212 | e = end(); |
| 213 | for( ; i != e; ++i, ++n ) |
| 214 | ar[n] = *i; |
| 215 | for( ; n < sz; ++n ) |
| 216 | ar[n] = value_type(); |
| 217 | return ar; |
| 218 | } |
| 219 | |
| 220 | template< class Adapter > |
| 221 | Adapter convert_to_adapter( const Adapter* = 0 ) const |
| 222 | { |
| 223 | Adapter a; |
| 224 | iterator i = begin(), |
| 225 | e = end(); |
| 226 | for( ; i != e; ++i ) |
| 227 | a.push( *i ); |
| 228 | return a; |
| 229 | } |
| 230 | |
| 231 | private: |
| 232 | struct adapter_converter; |
| 233 | friend struct adapter_converter; |
| 234 | |
| 235 | struct adapter_converter |
| 236 | { |
| 237 | const converter& gl; |
| 238 | adapter_converter( const converter& this_ ) : gl( this_ ) |
| 239 | {} |
| 240 | |
| 241 | adapter_converter( const adapter_converter& r ) |
| 242 | : gl( r.gl ) |
| 243 | { } |
| 244 | |
| 245 | template< class Adapter > |
| 246 | operator Adapter() const |
| 247 | { |
| 248 | return gl.convert_to_adapter<Adapter>(); |
| 249 | } |
| 250 | }; |
| 251 | |
| 252 | public: |
| 253 | template< class Container > |
| 254 | Container to_container( Container& c ) const |
| 255 | { |
| 256 | return convert( &c, default_type_tag() ); |
| 257 | } |
| 258 | |
| 259 | adapter_converter to_adapter() const |
| 260 | { |
| 261 | return adapter_converter( *this ); |
| 262 | } |
| 263 | |
| 264 | template< class Adapter > |
| 265 | Adapter to_adapter( Adapter& a ) const |
| 266 | { |
| 267 | return this->convert_to_adapter( &a ); |
| 268 | } |
| 269 | |
| 270 | template< class Array > |
| 271 | Array to_array( Array& a ) const |
| 272 | { |
| 273 | return convert( &a, array_type_tag() ); |
| 274 | } |
| 275 | }; |
| 276 | |
| 277 | template< class T, class I, class Range > |
| 278 | inline bool operator==( const converter<T,I>& l, const Range& r ) |
| 279 | { |
| 280 | return ::boost::iterator_range_detail::equal( l, r ); |
| 281 | } |
| 282 | |
| 283 | template< class T, class I, class Range > |
| 284 | inline bool operator==( const Range& l, const converter<T,I>& r ) |
| 285 | { |
| 286 | return r == l; |
| 287 | } |
| 288 | |
| 289 | template< class T, class I, class Range > |
| 290 | inline bool operator!=( const converter<T,I>& l, const Range& r ) |
| 291 | { |
| 292 | return !( l == r ); |
| 293 | } |
| 294 | |
| 295 | template< class T, class I, class Range > |
| 296 | inline bool operator!=( const Range& l, const converter<T,I>& r ) |
| 297 | { |
| 298 | return !( l == r ); |
| 299 | } |
| 300 | |
| 301 | template< class T, class I, class Range > |
| 302 | inline bool operator<( const converter<T,I>& l, const Range& r ) |
| 303 | { |
| 304 | return ::boost::iterator_range_detail::less_than( l, r ); |
| 305 | } |
| 306 | |
| 307 | template< class T, class I, class Range > |
| 308 | inline bool operator<( const Range& l, const converter<T,I>& r ) |
| 309 | { |
| 310 | return ::boost::iterator_range_detail::less_than( l, r ); |
| 311 | } |
| 312 | |
| 313 | template< class T, class I, class Range > |
| 314 | inline bool operator>( const converter<T,I>& l, const Range& r ) |
| 315 | { |
| 316 | return r < l; |
| 317 | } |
| 318 | |
| 319 | template< class T, class I, class Range > |
| 320 | inline bool operator>( const Range& l, const converter<T,I>& r ) |
| 321 | { |
| 322 | return r < l; |
| 323 | } |
| 324 | |
| 325 | template< class T, class I, class Range > |
| 326 | inline bool operator<=( const converter<T,I>& l, const Range& r ) |
| 327 | { |
| 328 | return !( l > r ); |
| 329 | } |
| 330 | |
| 331 | template< class T, class I, class Range > |
| 332 | inline bool operator<=( const Range& l, const converter<T,I>& r ) |
| 333 | { |
| 334 | return !( l > r ); |
| 335 | } |
| 336 | |
| 337 | template< class T, class I, class Range > |
| 338 | inline bool operator>=( const converter<T,I>& l, const Range& r ) |
| 339 | { |
| 340 | return !( l < r ); |
| 341 | } |
| 342 | |
| 343 | template< class T, class I, class Range > |
| 344 | inline bool operator>=( const Range& l, const converter<T,I>& r ) |
| 345 | { |
| 346 | return !( l < r ); |
| 347 | } |
| 348 | |
| 349 | template< class T, class I, class Elem, class Traits > |
| 350 | inline std::basic_ostream<Elem,Traits>& |
| 351 | operator<<( std::basic_ostream<Elem, Traits>& Os, |
| 352 | const converter<T,I>& r ) |
| 353 | { |
| 354 | return Os << ::boost::make_iterator_range( r.begin(), r.end() ); |
| 355 | } |
| 356 | |
| 357 | ///////////////////////////////////////////////////////////////////////// |
| 358 | // Part 1: flexible, but inefficient interface |
| 359 | ///////////////////////////////////////////////////////////////////////// |
| 360 | |
| 361 | template< class T > |
| 362 | class generic_list : |
| 363 | public converter< generic_list< BOOST_DEDUCED_TYPENAME assign_decay<T>::type >, |
| 364 | BOOST_DEDUCED_TYPENAME std::deque<BOOST_DEDUCED_TYPENAME |
| 365 | assign_decay<T>::type>::iterator > |
| 366 | { |
| 367 | typedef BOOST_DEDUCED_TYPENAME assign_decay<T>::type Ty; |
| 368 | typedef std::deque<Ty> impl_type; |
| 369 | mutable impl_type values_; |
| 370 | |
| 371 | public: |
| 372 | typedef BOOST_DEDUCED_TYPENAME impl_type::iterator iterator; |
| 373 | typedef iterator const_iterator; |
| 374 | typedef BOOST_DEDUCED_TYPENAME impl_type::value_type value_type; |
| 375 | typedef BOOST_DEDUCED_TYPENAME impl_type::size_type size_type; |
| 376 | typedef BOOST_DEDUCED_TYPENAME impl_type::difference_type difference_type; |
| 377 | |
| 378 | public: |
| 379 | iterator begin() const { return values_.begin(); } |
| 380 | iterator end() const { return values_.end(); } |
| 381 | bool empty() const { return values_.empty(); } |
| 382 | size_type size() const { return values_.size(); } |
| 383 | |
| 384 | private: |
| 385 | #if defined(BOOST_NO_CXX11_RVALUE_REFERENCES) |
| 386 | void push_back( value_type r ) { values_.push_back( r ); } |
| 387 | #else |
| 388 | void push_back( const value_type& r ) { values_.push_back( r ); } |
| 389 | void push_back( value_type&& r ) { values_.push_back( boost::move( r ) ); } |
| 390 | #endif |
| 391 | public: |
| 392 | generic_list& operator,( const Ty& u ) |
| 393 | { |
| 394 | this->push_back( u ); |
| 395 | return *this; |
| 396 | } |
| 397 | |
| 398 | #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES |
| 399 | |
| 400 | generic_list& operator,( Ty&& u ) |
| 401 | { |
| 402 | this->push_back( boost::move(u) ); |
| 403 | return *this; |
| 404 | } |
| 405 | #endif |
| 406 | generic_list& operator()( const Ty& u ) |
| 407 | { |
| 408 | this->push_back( u ); |
| 409 | return *this; |
| 410 | } |
| 411 | |
| 412 | #ifndef BOOST_NO_CXX11_RVALUE_REFERENCES |
| 413 | |
| 414 | generic_list& operator()(Ty&& u) |
| 415 | { |
| 416 | this->push_back( boost::move(u) ); |
| 417 | return *this; |
| 418 | } |
| 419 | #endif |
| 420 | |
| 421 | generic_list& operator()() |
| 422 | { |
| 423 | this->push_back( Ty() ); |
| 424 | return *this; |
| 425 | } |
| 426 | |
| 427 | #if !defined(BOOST_ASSIGN_USE_VARIADIC_TEMPLATES) |
| 428 | |
| 429 | #ifndef BOOST_ASSIGN_MAX_PARAMS // use user's value |
| 430 | #define BOOST_ASSIGN_MAX_PARAMS 5 |
| 431 | #endif |
| 432 | #define BOOST_ASSIGN_MAX_PARAMETERS (BOOST_ASSIGN_MAX_PARAMS - 1) |
| 433 | #define BOOST_ASSIGN_PARAMS1(n) BOOST_PP_ENUM_PARAMS(n, class U) |
| 434 | #define BOOST_ASSIGN_PARAMS2(n) BOOST_PP_ENUM_BINARY_PARAMS(n, U, const& u) |
| 435 | #define BOOST_ASSIGN_PARAMS3(n) BOOST_PP_ENUM_PARAMS(n, u) |
| 436 | #define BOOST_ASSIGN_PARAMS4(n) BOOST_PP_ENUM_PARAMS(n, U) |
| 437 | #define BOOST_ASSIGN_PARAMS2_NO_REF(n) BOOST_PP_ENUM_BINARY_PARAMS(n, U, u) |
| 438 | |
| 439 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) |
| 440 | #define BOOST_PP_LOCAL_MACRO(n) \ |
| 441 | template< class U, BOOST_ASSIGN_PARAMS1(n) > \ |
| 442 | generic_list& operator()(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \ |
| 443 | { \ |
| 444 | this->push_back( Ty(u, BOOST_ASSIGN_PARAMS3(n))); \ |
| 445 | return *this; \ |
| 446 | } \ |
| 447 | /**/ |
| 448 | |
| 449 | #include BOOST_PP_LOCAL_ITERATE() |
| 450 | |
| 451 | #else |
| 452 | template< class U0, class U1, class... Us > |
| 453 | generic_list& operator()(U0&& u0, U1&& u1, Us&&... us) |
| 454 | { |
| 455 | this->push_back(Ty(boost::forward<U0>(u0), boost::forward<U1>(u1), boost::forward<Us>(us)...)); |
| 456 | return *this; |
| 457 | } |
| 458 | #endif |
| 459 | |
| 460 | template< class U > |
| 461 | generic_list& repeat( std::size_t sz, U u ) |
| 462 | { |
| 463 | std::size_t i = 0; |
| 464 | while( i++ != sz ) |
| 465 | this->push_back( u ); |
| 466 | return *this; |
| 467 | } |
| 468 | |
| 469 | template< class Nullary_function > |
| 470 | generic_list& repeat_fun( std::size_t sz, Nullary_function fun ) |
| 471 | { |
| 472 | std::size_t i = 0; |
| 473 | while( i++ != sz ) |
| 474 | this->push_back( fun() ); |
| 475 | return *this; |
| 476 | } |
| 477 | |
| 478 | template< class SinglePassIterator > |
| 479 | generic_list& range( SinglePassIterator first, |
| 480 | SinglePassIterator last ) |
| 481 | { |
| 482 | for( ; first != last; ++first ) |
| 483 | this->push_back( *first ); |
| 484 | return *this; |
| 485 | } |
| 486 | |
| 487 | template< class SinglePassRange > |
| 488 | generic_list& range( const SinglePassRange& r ) |
| 489 | { |
| 490 | return range( boost::begin(r), boost::end(r) ); |
| 491 | } |
| 492 | #if !defined(BOOST_NO_CXX11_DECLTYPE_N3276) && !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) |
| 493 | template< class Container, |
| 494 | class = decltype(Container( |
| 495 | boost::declval<BOOST_DEDUCED_TYPENAME std::deque<BOOST_DEDUCED_TYPENAME assign_decay<T>::type>::iterator>(), |
| 496 | boost::declval<BOOST_DEDUCED_TYPENAME std::deque<BOOST_DEDUCED_TYPENAME assign_decay<T>::type>::iterator>() |
| 497 | )) |
| 498 | > |
| 499 | operator Container() const |
| 500 | { |
| 501 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 502 | } |
| 503 | |
| 504 | template< class Container, |
| 505 | class = typename boost::enable_if< boost::is_same< boost::type_traits::yes_type, decltype(assign_is_array((Container*)0))> >::type, |
| 506 | class = void |
| 507 | > |
| 508 | operator Container() const |
| 509 | { |
| 510 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 511 | } |
| 512 | #elif !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) |
| 513 | template< class Container |
| 514 | # if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) |
| 515 | , class = typename boost::disable_if< is_initializer_list<Container> >::type |
| 516 | # endif |
| 517 | , class = typename Container::iterator |
| 518 | > |
| 519 | operator Container() const |
| 520 | { |
| 521 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 522 | } |
| 523 | #else |
| 524 | template< class Container > |
| 525 | operator Container() const |
| 526 | { |
| 527 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 528 | } |
| 529 | #endif |
| 530 | }; |
| 531 | |
| 532 | ///////////////////////////////////////////////////////////////////////// |
| 533 | // Part 2: efficient, but inconvenient interface |
| 534 | ///////////////////////////////////////////////////////////////////////// |
| 535 | |
| 536 | template< class T > |
| 537 | struct assign_reference |
| 538 | { |
| 539 | assign_reference() : ref_(0) |
| 540 | { /* intentionally empty */ } |
| 541 | |
| 542 | assign_reference( T& r ) : ref_(&r) |
| 543 | { } |
| 544 | |
| 545 | void operator=( T& r ) |
| 546 | { |
| 547 | ref_ = &r; |
| 548 | } |
| 549 | |
| 550 | operator T&() const |
| 551 | { |
| 552 | return *ref_; |
| 553 | } |
| 554 | |
| 555 | void swap( assign_reference& r ) |
| 556 | { |
| 557 | std::swap( *ref_, *r.ref_ ); |
| 558 | } |
| 559 | |
| 560 | T& get_ref() const |
| 561 | { |
| 562 | return *ref_; |
| 563 | } |
| 564 | |
| 565 | private: |
| 566 | T* ref_; |
| 567 | |
| 568 | }; |
| 569 | |
| 570 | template< class T > |
| 571 | inline bool operator<( const assign_reference<T>& l, |
| 572 | const assign_reference<T>& r ) |
| 573 | { |
| 574 | return l.get_ref() < r.get_ref(); |
| 575 | } |
| 576 | |
| 577 | template< class T > |
| 578 | inline bool operator>( const assign_reference<T>& l, |
| 579 | const assign_reference<T>& r ) |
| 580 | { |
| 581 | return l.get_ref() > r.get_ref(); |
| 582 | } |
| 583 | |
| 584 | template< class T > |
| 585 | inline void swap( assign_reference<T>& l, |
| 586 | assign_reference<T>& r ) |
| 587 | { |
| 588 | l.swap( r ); |
| 589 | } |
| 590 | |
| 591 | |
| 592 | |
| 593 | template< class T, int N > |
| 594 | struct static_generic_list : |
| 595 | public converter< static_generic_list<T,N>, assign_reference<T>* > |
| 596 | { |
| 597 | private: |
| 598 | typedef T internal_value_type; |
| 599 | |
| 600 | public: |
| 601 | typedef assign_reference<internal_value_type> value_type; |
| 602 | typedef value_type* iterator; |
| 603 | typedef value_type* const_iterator; |
| 604 | typedef std::size_t size_type; |
| 605 | typedef std::ptrdiff_t difference_type; |
| 606 | |
| 607 | |
| 608 | static_generic_list( T& r ) : |
| 609 | current_(1) |
| 610 | { |
| 611 | refs_[0] = r; |
| 612 | } |
| 613 | |
| 614 | static_generic_list& operator()( T& r ) |
| 615 | { |
| 616 | insert( r ); |
| 617 | return *this; |
| 618 | } |
| 619 | |
| 620 | iterator begin() const |
| 621 | { |
| 622 | return &refs_[0]; |
| 623 | } |
| 624 | |
| 625 | iterator end() const |
| 626 | { |
| 627 | return &refs_[current_]; |
| 628 | } |
| 629 | |
| 630 | size_type size() const |
| 631 | { |
| 632 | return static_cast<size_type>( current_ ); |
| 633 | } |
| 634 | |
| 635 | bool empty() const |
| 636 | { |
| 637 | return false; |
| 638 | } |
| 639 | |
| 640 | template< class ForwardIterator > |
| 641 | static_generic_list& range( ForwardIterator first, |
| 642 | ForwardIterator last ) |
| 643 | { |
| 644 | for( ; first != last; ++first ) |
| 645 | this->insert( *first ); |
| 646 | return *this; |
| 647 | } |
| 648 | |
| 649 | template< class ForwardRange > |
| 650 | static_generic_list& range( ForwardRange& r ) |
| 651 | { |
| 652 | return range( boost::begin(r), boost::end(r) ); |
| 653 | } |
| 654 | |
| 655 | template< class ForwardRange > |
| 656 | static_generic_list& range( const ForwardRange& r ) |
| 657 | { |
| 658 | return range( boost::begin(r), boost::end(r) ); |
| 659 | } |
| 660 | |
| 661 | #if !defined(BOOST_NO_CXX11_DECLTYPE_N3276) && !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) |
| 662 | template< class Container, |
| 663 | class = decltype(Container(boost::declval<assign_reference<T>*>(), boost::declval<assign_reference<T>*>())) |
| 664 | > |
| 665 | operator Container() const |
| 666 | { |
| 667 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 668 | } |
| 669 | |
| 670 | template< class Container, |
| 671 | class = typename boost::enable_if< boost::is_same< boost::type_traits::yes_type, decltype(assign_is_array((Container*)0))> >::type, |
| 672 | class = void |
| 673 | > |
| 674 | operator Container() const |
| 675 | { |
| 676 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 677 | } |
| 678 | #elif !defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) |
| 679 | template< class Container |
| 680 | # if !defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) |
| 681 | , class = typename boost::disable_if< is_initializer_list<Container> >::type |
| 682 | # endif |
| 683 | , class = typename Container::iterator |
| 684 | > |
| 685 | operator Container() const |
| 686 | { |
| 687 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 688 | } |
| 689 | #else |
| 690 | template< class Container > |
| 691 | operator Container() const |
| 692 | { |
| 693 | return this-> BOOST_NESTED_TEMPLATE convert_to_container<Container>(); |
| 694 | } |
| 695 | #endif |
| 696 | |
| 697 | private: |
| 698 | void insert( T& r ) |
| 699 | { |
| 700 | refs_[current_] = r; |
| 701 | ++current_; |
| 702 | } |
| 703 | |
| 704 | static_generic_list(); |
| 705 | |
| 706 | mutable assign_reference<internal_value_type> refs_[N]; |
| 707 | int current_; |
| 708 | }; |
| 709 | |
| 710 | } // namespace 'assign_detail' |
| 711 | |
| 712 | namespace assign |
| 713 | { |
| 714 | template< class T > |
| 715 | inline assign_detail::generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type> |
| 716 | list_of() |
| 717 | { |
| 718 | assign_detail::generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type> gl; |
| 719 | gl(); |
| 720 | return gl; |
| 721 | } |
| 722 | |
| 723 | #if !defined(BOOST_ASSIGN_USE_VARIADIC_TEMPLATES) |
| 724 | |
| 725 | template< class T > |
| 726 | inline assign_detail::generic_list<T> |
| 727 | list_of( const T& t ) |
| 728 | { |
| 729 | return assign_detail::generic_list<T>()( t ); |
| 730 | } |
| 731 | |
| 732 | #else |
| 733 | |
| 734 | template< class T > |
| 735 | inline assign_detail::generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type> |
| 736 | list_of(T&& t) |
| 737 | { |
| 738 | assign_detail::generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type> gl; |
| 739 | gl(boost::forward<T>(t)); |
| 740 | return gl; |
| 741 | } |
| 742 | |
| 743 | #endif |
| 744 | |
| 745 | template< int N, class T > |
| 746 | inline assign_detail::static_generic_list< BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N> |
| 747 | ref_list_of( T& t ) |
| 748 | { |
| 749 | return assign_detail::static_generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N>( t ); |
| 750 | } |
| 751 | |
| 752 | template< int N, class T > |
| 753 | inline assign_detail::static_generic_list<const BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N> |
| 754 | cref_list_of( const T& t ) |
| 755 | { |
| 756 | return assign_detail::static_generic_list<const BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type,N>( t ); |
| 757 | } |
| 758 | |
| 759 | #if !defined(BOOST_ASSIGN_USE_VARIADIC_TEMPLATES) |
| 760 | |
| 761 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) |
| 762 | #define BOOST_PP_LOCAL_MACRO(n) \ |
| 763 | template< class T, class U, BOOST_ASSIGN_PARAMS1(n) > \ |
| 764 | inline assign_detail::generic_list<T> \ |
| 765 | list_of(U const& u, BOOST_ASSIGN_PARAMS2(n) ) \ |
| 766 | { \ |
| 767 | return assign_detail::generic_list<T>()(u, BOOST_ASSIGN_PARAMS3(n)); \ |
| 768 | } \ |
| 769 | /**/ |
| 770 | |
| 771 | #include BOOST_PP_LOCAL_ITERATE() |
| 772 | |
| 773 | #define BOOST_PP_LOCAL_LIMITS (1, BOOST_ASSIGN_MAX_PARAMETERS) |
| 774 | #define BOOST_PP_LOCAL_MACRO(n) \ |
| 775 | template< class U, BOOST_ASSIGN_PARAMS1(n) > \ |
| 776 | inline assign_detail::generic_list< tuple<U, BOOST_ASSIGN_PARAMS4(n)> > \ |
| 777 | tuple_list_of(U u, BOOST_ASSIGN_PARAMS2_NO_REF(n) ) \ |
| 778 | { \ |
| 779 | return assign_detail::generic_list< tuple<U, BOOST_ASSIGN_PARAMS4(n)> >()( tuple<U,BOOST_ASSIGN_PARAMS4(n)>( u, BOOST_ASSIGN_PARAMS3(n) )); \ |
| 780 | } \ |
| 781 | /**/ |
| 782 | |
| 783 | #include BOOST_PP_LOCAL_ITERATE() |
| 784 | |
| 785 | #else |
| 786 | template< class T, class U, class... Us > |
| 787 | inline assign_detail::generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type> |
| 788 | list_of(U&& u, Us&&... us) |
| 789 | { |
| 790 | assign_detail::generic_list<BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type> gl; |
| 791 | gl(boost::forward<U>(u), boost::forward<Us>(us)...); |
| 792 | return gl; |
| 793 | } |
| 794 | |
| 795 | |
| 796 | template< class U, class... Us > |
| 797 | inline assign_detail::generic_list< tuple<U, Us...> > |
| 798 | tuple_list_of(U u, Us... us) |
| 799 | { |
| 800 | assign_detail::generic_list< tuple<U, Us...> > gl; |
| 801 | gl(tuple<U, Us...>(u, us...)); |
| 802 | return gl; |
| 803 | } |
| 804 | #endif |
| 805 | |
| 806 | template< class Key, class T > |
| 807 | inline assign_detail::generic_list< std::pair |
| 808 | < |
| 809 | BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<Key>::type, |
| 810 | BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type |
| 811 | > > |
| 812 | map_list_of( const Key& k, const T& t ) |
| 813 | { |
| 814 | typedef BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<Key>::type k_type; |
| 815 | typedef BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<T>::type t_type; |
| 816 | return assign_detail::generic_list< std::pair<k_type,t_type> >()( k, t ); |
| 817 | } |
| 818 | |
| 819 | template< class F, class S > |
| 820 | inline assign_detail::generic_list< std::pair |
| 821 | < |
| 822 | BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<F>::type, |
| 823 | BOOST_DEDUCED_TYPENAME assign_detail::assign_decay<S>::type |
| 824 | > > |
| 825 | pair_list_of( const F& f, const S& s ) |
| 826 | { |
| 827 | return map_list_of( f, s ); |
| 828 | } |
| 829 | |
| 830 | |
| 831 | } // namespace 'assign' |
| 832 | } // namespace 'boost' |
| 833 | |
| 834 | |
| 835 | #if !defined(BOOST_ASSIGN_USE_VARIADIC_TEMPLATES) |
| 836 | |
| 837 | #undef BOOST_ASSIGN_PARAMS1 |
| 838 | #undef BOOST_ASSIGN_PARAMS2 |
| 839 | #undef BOOST_ASSIGN_PARAMS3 |
| 840 | #undef BOOST_ASSIGN_PARAMS4 |
| 841 | #undef BOOST_ASSIGN_PARAMS2_NO_REF |
| 842 | #undef BOOST_ASSIGN_MAX_PARAMETERS |
| 843 | |
| 844 | #endif |
| 845 | |
| 846 | |
| 847 | #endif |
| 848 | |