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00048 #ifndef STLSOFT_INCL_STLSOFT_ITERATORS_HPP_INDIRECT_REVERSE_ITERATOR
00049 #define STLSOFT_INCL_STLSOFT_ITERATORS_HPP_INDIRECT_REVERSE_ITERATOR
00050
00051 #ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
00052 # define STLSOFT_VER_STLSOFT_ITERATORS_HPP_INDIRECT_REVERSE_ITERATOR_MAJOR 2
00053 # define STLSOFT_VER_STLSOFT_ITERATORS_HPP_INDIRECT_REVERSE_ITERATOR_MINOR 2
00054 # define STLSOFT_VER_STLSOFT_ITERATORS_HPP_INDIRECT_REVERSE_ITERATOR_REVISION 6
00055 # define STLSOFT_VER_STLSOFT_ITERATORS_HPP_INDIRECT_REVERSE_ITERATOR_EDIT 30
00056 #endif
00057
00058
00059
00060
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00072 #ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
00073 # include <stlsoft/stlsoft.h>
00074 #endif
00075 #ifndef STLSOFT_INCL_STLSOFT_MEMORY_HPP_AUTO_DESTRUCTOR
00076 # include <stlsoft/memory/auto_destructor.hpp>
00077 #endif
00078 #ifndef STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER
00079 # include <stlsoft/util/std/iterator_helper.hpp>
00080 #endif
00081
00082
00083
00084
00085
00086 #ifndef _STLSOFT_NO_NAMESPACE
00087 namespace stlsoft
00088 {
00089 #endif
00090
00091
00092
00093
00094
00108 template< ss_typename_param_k I
00109 #if defined(STLSOFT_CF_TEMPLATE_PARTIAL_SPECIALISATION_SUPPORT) && \
00110 !defined(STLSOFT_COMPILER_IS_BORLAND) && \
00111 ( !defined(STLSOFT_CF_STD_LIBRARY_IS_DINKUMWARE_VC) || \
00112 STLSOFT_CF_STD_LIBRARY_DINKUMWARE_VC_VERSION >= STLSOFT_CF_DINKUMWARE_VC_VERSION_7_1)
00113 , ss_typename_param_k T = ss_typename_type_def_k stlsoft_ns_qual_std(iterator_traits)<I>::value_type
00114 #else
00115 , ss_typename_param_k T
00116 #endif
00117 , ss_typename_param_k R = T&
00118 , ss_typename_param_k P = T*
00119 , ss_typename_param_k D = ss_ptrdiff_t
00120 #if defined(STLSOFT_CF_TEMPLATE_PARTIAL_SPECIALISATION_SUPPORT) && \
00121 !defined(STLSOFT_COMPILER_IS_BORLAND) && \
00122 ( !defined(STLSOFT_CF_STD_LIBRARY_IS_DINKUMWARE_VC) || \
00123 STLSOFT_CF_STD_LIBRARY_DINKUMWARE_VC_VERSION >= STLSOFT_CF_DINKUMWARE_VC_VERSION_7_1)
00124 , ss_typename_param_k C = ss_typename_type_def_k stlsoft_ns_qual_std(iterator_traits)<I>::iterator_category
00125 #else
00126 , ss_typename_param_k C = stlsoft_ns_qual_std(input_iterator_tag)
00127 #endif
00128 >
00129
00130 class indirect_reverse_iterator
00131
00132 {
00135 private:
00144 typedef auto_destructor<I> iterator_ptr_type;
00145 public:
00146 typedef indirect_reverse_iterator<I, T, R, P, D, C> class_type;
00147 typedef I iterator_type;
00148 typedef T value_type;
00149 typedef R reference;
00150 typedef P pointer;
00151 typedef D difference_type;
00152 typedef C iterator_category;
00154
00157 public:
00158 indirect_reverse_iterator()
00159 : m_it(new iterator_type())
00160 {}
00161 explicit indirect_reverse_iterator(I it)
00162 : m_it(new iterator_type(it))
00163 {}
00164 indirect_reverse_iterator(class_type const& rhs)
00165 : m_it(new iterator_type(*rhs.m_it.get()))
00166 {}
00168
00171 public:
00173 iterator_type base() const
00174 {
00175 return *m_it.get();
00176 }
00177 reference operator *() const
00178 {
00179 return *(*m_it.get() - 1);
00180 }
00181
00182
00183
00184 #if defined(STLSOFT_INDIRECT_REVERSE_ITERATOR_ALLOW_PTR2MEMBER) || \
00185 ( !defined(STLSOFT_COMPILER_IS_BORLAND) && \
00186 ( !defined(STLSOFT_COMPILER_IS_MSVC) || \
00187 _MSC_VER > 1300))
00188 pointer operator ->() const
00189 {
00190 return &*m_it.get();
00191 }
00192 #endif
00193 class_type& operator ++()
00194 {
00195 --(*m_it.get());
00196
00197 return *this;
00198 }
00199 class_type operator ++(int)
00200 {
00201 class_type ret(*this);
00202
00203 operator ++();
00204
00205 return ret;
00206 }
00207
00208 class_type& operator --()
00209 {
00210 ++(*m_it.get());
00211
00212 return *this;
00213 }
00214 class_type operator --(int)
00215 {
00216 class_type ret(*this);
00217
00218 operator --();
00219
00220 return ret;
00221 }
00222
00223 reference operator [](difference_type index) const
00224 {
00225 return (*(*this + index));
00226 }
00227
00228 class_type& operator +=(difference_type index)
00229 {
00230 m_it -= index;
00231
00232 return (*this);
00233 }
00234 class_type operator +(difference_type index) const
00235 {
00236 return (class_type(m_it - index));
00237 }
00238 class_type& operator -=(difference_type index)
00239 {
00240 m_it += index;
00241
00242 return (*this);
00243 }
00244 class_type operator -(difference_type index) const
00245 {
00246 return (class_type(m_it + index));
00247 }
00248 difference_type operator -(class_type const& rhs) const
00249 {
00250
00251 return *rhs.m_it.get() - *m_it.get();
00252 }
00253
00254 bool equal(class_type const& rhs) const
00255 {
00256 return *m_it.get() == *rhs.m_it.get();
00257 }
00258
00259 int compare(class_type const& rhs) const
00260 {
00261 return (*m_it.get() < *rhs.m_it.get()) ? -1 : (*rhs.m_it.get() < *m_it.get()) ? +1 : 0;
00262 }
00264
00267 private:
00268 iterator_ptr_type m_it;
00270
00273 private:
00274 class_type& operator =(class_type const&);
00276 };
00277
00278
00279
00280
00281
00282 template< ss_typename_param_k I
00283 , ss_typename_param_k T
00284 , ss_typename_param_k R
00285 , ss_typename_param_k P
00286 , ss_typename_param_k D
00287 , ss_typename_param_k C
00288 >
00289 inline bool operator ==(indirect_reverse_iterator<I, T, R, P, D, C> const& lhs, indirect_reverse_iterator<I, T, R, P, D, C> const& rhs)
00290 {
00291 return lhs.equal(rhs);
00292 }
00293
00294 template< ss_typename_param_k I
00295 , ss_typename_param_k T
00296 , ss_typename_param_k R
00297 , ss_typename_param_k P
00298 , ss_typename_param_k D
00299 , ss_typename_param_k C
00300 >
00301 inline bool operator !=(indirect_reverse_iterator<I, T, R, P, D, C> const& lhs, indirect_reverse_iterator<I, T, R, P, D, C> const& rhs)
00302 {
00303 return !lhs.equal(rhs);
00304 }
00305
00306 template< ss_typename_param_k I
00307 , ss_typename_param_k T
00308 , ss_typename_param_k R
00309 , ss_typename_param_k P
00310 , ss_typename_param_k D
00311 , ss_typename_param_k C
00312 >
00313 inline bool operator <(indirect_reverse_iterator<I, T, R, P, D, C> const& lhs, indirect_reverse_iterator<I, T, R, P, D, C> const& rhs)
00314 {
00315 return lhs.compare(rhs) < 0;
00316 }
00317
00318 template< ss_typename_param_k I
00319 , ss_typename_param_k T
00320 , ss_typename_param_k R
00321 , ss_typename_param_k P
00322 , ss_typename_param_k D
00323 , ss_typename_param_k C
00324 >
00325 inline bool operator <=(indirect_reverse_iterator<I, T, R, P, D, C> const& lhs, indirect_reverse_iterator<I, T, R, P, D, C> const& rhs)
00326 {
00327 return lhs.compare(rhs) <= 0;
00328 }
00329
00330 template< ss_typename_param_k I
00331 , ss_typename_param_k T
00332 , ss_typename_param_k R
00333 , ss_typename_param_k P
00334 , ss_typename_param_k D
00335 , ss_typename_param_k C
00336 >
00337 inline bool operator >(indirect_reverse_iterator<I, T, R, P, D, C> const& lhs, indirect_reverse_iterator<I, T, R, P, D, C> const& rhs)
00338 {
00339 return lhs.compare(rhs) > 0;
00340 }
00341
00342 template< ss_typename_param_k I
00343 , ss_typename_param_k T
00344 , ss_typename_param_k R
00345 , ss_typename_param_k P
00346 , ss_typename_param_k D
00347 , ss_typename_param_k C
00348 >
00349 inline bool operator >=(indirect_reverse_iterator<I, T, R, P, D, C> const& lhs, indirect_reverse_iterator<I, T, R, P, D, C> const& rhs)
00350 {
00351 return lhs.compare(rhs) >= 0;
00352 }
00353
00355
00356
00357 #ifdef STLSOFT_UNITTEST
00358 # include "./unittest/indirect_reverse_iterator_unittest_.h"
00359 #endif
00360
00361
00362
00363 #ifndef _STLSOFT_NO_NAMESPACE
00364 }
00365 #endif
00366
00367
00368
00369 #endif
00370
00371