+/*
+ *
+ * Copyright (c) 1996,1997
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Copyright (c) 1997
+ * Moscow Center for SPARC Technology
+ *
+ * Copyright (c) 1999
+ * Boris Fomitchev
+ *
+ * This material is provided "as is", with absolutely no warranty expressed
+ * or implied. Any use is at your own risk.
+ *
+ * Permission to use or copy this software for any purpose is hereby granted
+ * without fee, provided the above notices are retained on all copies.
+ * Permission to modify the code and to distribute modified code is granted,
+ * provided the above notices are retained, and a notice that the code was
+ * modified is included with the above copyright notice.
+ *
+ */
+
+/* NOTE: This is an internal header file, included by other STL headers.
+ * You should not attempt to use it directly.
+ */
+
+// rope<_CharT,_Alloc> is a sequence of _CharT.
+// Ropes appear to be mutable, but update operations
+// really copy enough of the data structure to leave the original
+// valid. Thus ropes can be logically copied by just copying
+// a pointer value.
+
+#ifndef _STLP_INTERNAL_ROPE_H
+#define _STLP_INTERNAL_ROPE_H
+
+#ifndef _STLP_INTERNAL_ALGOBASE_H
+# include <stl/_algobase.h>
+#endif
+
+#ifndef _STLP_IOSFWD
+# include <iosfwd>
+#endif
+
+#ifndef _STLP_INTERNAL_ALLOC_H
+# include <stl/_alloc.h>
+#endif
+
+#ifndef _STLP_INTERNAL_ITERATOR_H
+# include <stl/_iterator.h>
+#endif
+
+#ifndef _STLP_INTERNAL_ALGO_H
+# include <stl/_algo.h>
+#endif
+
+#ifndef _STLP_INTERNAL_FUNCTION_BASE_H
+# include <stl/_function_base.h>
+#endif
+
+#ifndef _STLP_INTERNAL_NUMERIC_H
+# include <stl/_numeric.h>
+#endif
+
+#ifndef _STLP_INTERNAL_HASH_FUN_H
+# include <stl/_hash_fun.h>
+#endif
+
+#ifndef _STLP_CHAR_TRAITS_H
+# include <stl/char_traits.h>
+#endif
+
+#ifndef _STLP_INTERNAL_THREADS_H
+# include <stl/_threads.h>
+#endif
+
+#ifdef _STLP_SGI_THREADS
+# include <mutex.h>
+#endif
+
+#ifndef _STLP_DONT_SUPPORT_REBIND_MEMBER_TEMPLATE
+# define _STLP_CREATE_ALLOCATOR(__atype,__a, _Tp) (_Alloc_traits<_Tp,__atype>::create_allocator(__a))
+#elif defined(__MRC__)||defined(__SC__)
+# define _STLP_CREATE_ALLOCATOR(__atype,__a, _Tp) __stl_alloc_create<_Tp,__atype>(__a,(_Tp*)0)
+#else
+# define _STLP_CREATE_ALLOCATOR(__atype,__a, _Tp) __stl_alloc_create(__a,(_Tp*)0)
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+// First a lot of forward declarations. The standard seems to require
+// much stricter "declaration before use" than many of the implementations
+// that preceded it.
+template<class _CharT, _STLP_DEFAULT_ALLOCATOR_SELECT(_CharT) > class rope;
+template<class _CharT, class _Alloc> struct _Rope_RopeConcatenation;
+template<class _CharT, class _Alloc> struct _Rope_RopeRep;
+template<class _CharT, class _Alloc> struct _Rope_RopeLeaf;
+template<class _CharT, class _Alloc> struct _Rope_RopeFunction;
+template<class _CharT, class _Alloc> struct _Rope_RopeSubstring;
+template<class _CharT, class _Alloc> class _Rope_iterator;
+template<class _CharT, class _Alloc> class _Rope_const_iterator;
+template<class _CharT, class _Alloc> class _Rope_char_ref_proxy;
+template<class _CharT, class _Alloc> class _Rope_char_ptr_proxy;
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+// Some helpers, so we can use the power algorithm on ropes.
+// See below for why this isn't local to the implementation.
+
+// This uses a nonstandard refcount convention.
+// The result has refcount 0.
+template<class _CharT, class _Alloc>
+struct _Rope_Concat_fn
+ : public binary_function<rope<_CharT,_Alloc>, rope<_CharT,_Alloc>,
+ rope<_CharT,_Alloc> > {
+ rope<_CharT,_Alloc> operator() (const rope<_CharT,_Alloc>& __x,
+ const rope<_CharT,_Alloc>& __y) {
+ return __x + __y;
+ }
+};
+
+template <class _CharT, class _Alloc>
+inline
+rope<_CharT,_Alloc>
+__identity_element(_Rope_Concat_fn<_CharT, _Alloc>)
+{ return rope<_CharT,_Alloc>(); }
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+// Store an eos
+template <class _CharT>
+inline void _S_construct_null_aux(_CharT *__p, const __true_type&)
+{ *__p = 0; }
+
+template <class _CharT>
+inline void _S_construct_null_aux(_CharT *__p, const __false_type&)
+{ _STLP_STD::_Construct(__p); }
+
+template <class _CharT>
+inline void _S_construct_null(_CharT *__p) {
+ typedef typename _IsIntegral<_CharT>::_Ret _Char_Is_Integral;
+ _S_construct_null_aux(__p, _Char_Is_Integral());
+}
+
+// char_producers are logically functions that generate a section of
+// a string. These can be converted to ropes. The resulting rope
+// invokes the char_producer on demand. This allows, for example,
+// files to be viewed as ropes without reading the entire file.
+template <class _CharT>
+class char_producer {
+public:
+ virtual ~char_producer() {}
+ virtual void operator()(size_t __start_pos, size_t __len,
+ _CharT* __buffer) = 0;
+ // Buffer should really be an arbitrary output iterator.
+ // That way we could flatten directly into an ostream, etc.
+ // This is thoroughly impossible, since iterator types don't
+ // have runtime descriptions.
+};
+
+// Sequence buffers:
+//
+// Sequence must provide an append operation that appends an
+// array to the sequence. Sequence buffers are useful only if
+// appending an entire array is cheaper than appending element by element.
+// This is true for many string representations.
+// This should perhaps inherit from ostream<sequence::value_type>
+// and be implemented correspondingly, so that they can be used
+// for formatted. For the sake of portability, we don't do this yet.
+//
+// For now, sequence buffers behave as output iterators. But they also
+// behave a little like basic_ostringstream<sequence::value_type> and a
+// little like containers.
+
+template<class _Sequence
+# if !(defined (_STLP_NON_TYPE_TMPL_PARAM_BUG) || \
+ defined ( _STLP_NO_DEFAULT_NON_TYPE_PARAM ))
+ , size_t _Buf_sz = 100
+# if defined(__sgi) && !defined(__GNUC__)
+# define __TYPEDEF_WORKAROUND
+ ,class _V = typename _Sequence::value_type
+# endif /* __sgi */
+# endif /* _STLP_NON_TYPE_TMPL_PARAM_BUG */
+ >
+// The 3rd parameter works around a common compiler bug.
+class sequence_buffer : public iterator <output_iterator_tag, void, void, void, void> {
+public:
+# ifndef __TYPEDEF_WORKAROUND
+ typedef typename _Sequence::value_type value_type;
+ typedef sequence_buffer<_Sequence
+# if !(defined (_STLP_NON_TYPE_TMPL_PARAM_BUG) || \
+ defined ( _STLP_NO_DEFAULT_NON_TYPE_PARAM ))
+ , _Buf_sz
+ > _Self;
+# else /* _STLP_NON_TYPE_TMPL_PARAM_BUG */
+ > _Self;
+ enum { _Buf_sz = 100};
+# endif /* _STLP_NON_TYPE_TMPL_PARAM_BUG */
+ // # endif
+# else /* __TYPEDEF_WORKAROUND */
+ typedef _V value_type;
+ typedef sequence_buffer<_Sequence, _Buf_sz, _V> _Self;
+# endif /* __TYPEDEF_WORKAROUND */
+protected:
+ _Sequence* _M_prefix;
+ value_type _M_buffer[_Buf_sz];
+ size_t _M_buf_count;
+public:
+ void flush() {
+ _M_prefix->append(_M_buffer, _M_buffer + _M_buf_count);
+ _M_buf_count = 0;
+ }
+ ~sequence_buffer() { flush(); }
+ sequence_buffer() : _M_prefix(0), _M_buf_count(0) {}
+ sequence_buffer(const _Self& __x) {
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = __x._M_buf_count;
+ copy(__x._M_buffer, __x._M_buffer + __x._M_buf_count, _M_buffer);
+ }
+ sequence_buffer(_Self& __x) {
+ __x.flush();
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = 0;
+ }
+ sequence_buffer(_Sequence& __s) : _M_prefix(&__s), _M_buf_count(0) {}
+ _Self& operator= (_Self& __x) {
+ __x.flush();
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = 0;
+ return *this;
+ }
+ _Self& operator= (const _Self& __x) {
+ _M_prefix = __x._M_prefix;
+ _M_buf_count = __x._M_buf_count;
+ copy(__x._M_buffer, __x._M_buffer + __x._M_buf_count, _M_buffer);
+ return *this;
+ }
+ void push_back(value_type __x) {
+ if (_M_buf_count < _Buf_sz) {
+ _M_buffer[_M_buf_count] = __x;
+ ++_M_buf_count;
+ } else {
+ flush();
+ _M_buffer[0] = __x;
+ _M_buf_count = 1;
+ }
+ }
+ void append(const value_type *__s, size_t __len) {
+ if (__len + _M_buf_count <= _Buf_sz) {
+ size_t __i = _M_buf_count;
+ size_t __j = 0;
+ for (; __j < __len; __i++, __j++) {
+ _M_buffer[__i] = __s[__j];
+ }
+ _M_buf_count += __len;
+ } else if (0 == _M_buf_count) {
+ _M_prefix->append(__s, __s + __len);
+ } else {
+ flush();
+ append(__s, __len);
+ }
+ }
+ _Self& write(const value_type *__s, size_t __len) {
+ append(__s, __len);
+ return *this;
+ }
+ _Self& put(value_type __x) {
+ push_back(__x);
+ return *this;
+ }
+ _Self& operator=(const value_type& __rhs) {
+ push_back(__rhs);
+ return *this;
+ }
+ _Self& operator*() { return *this; }
+ _Self& operator++() { return *this; }
+ _Self& operator++(int) { return *this; }
+};
+
+// The following should be treated as private, at least for now.
+template<class _CharT>
+class _Rope_char_consumer {
+#if !defined (_STLP_MEMBER_TEMPLATES)
+public:
+ //Without member templates we have to use run-time parameterization.
+ // The symmetry with char_producer is accidental and temporary.
+ virtual ~_Rope_char_consumer() {}
+ virtual bool operator()(const _CharT* __buffer, size_t __len) = 0;
+#endif
+};
+
+//
+// What follows should really be local to rope. Unfortunately,
+// that doesn't work, since it makes it impossible to define generic
+// equality on rope iterators. According to the draft standard, the
+// template parameters for such an equality operator cannot be inferred
+// from the occurence of a member class as a parameter.
+// (SGI compilers in fact allow this, but the __result wouldn't be
+// portable.)
+// Similarly, some of the static member functions are member functions
+// only to avoid polluting the global namespace, and to circumvent
+// restrictions on type inference for template functions.
+//
+
+//
+// The internal data structure for representing a rope. This is
+// private to the implementation. A rope is really just a pointer
+// to one of these.
+//
+// A few basic functions for manipulating this data structure
+// are members of _RopeRep. Most of the more complex algorithms
+// are implemented as rope members.
+//
+// Some of the static member functions of _RopeRep have identically
+// named functions in rope that simply invoke the _RopeRep versions.
+//
+
+template<class _CharT, class _Alloc>
+struct _Rope_RopeRep
+ : public _Refcount_Base
+{
+ typedef _Rope_RopeRep<_CharT, _Alloc> _Self;
+public:
+ //
+ // GAB: 11/09/05
+ //
+ // "__ROPE_DEPTH_SIZE" is set to one more then the "__ROPE_MAX_DEPTH".
+ // This was originally just an addition of "__ROPE_MAX_DEPTH + 1"
+ // but this addition causes the sunpro compiler to complain about
+ // multiple declarations during the initialization of "_S_min_len".
+ // Changed to be a fixed value and the sunpro compiler appears to
+ // be happy???
+ //
+# define __ROPE_MAX_DEPTH 45
+# define __ROPE_DEPTH_SIZE 46 // __ROPE_MAX_DEPTH + 1
+ enum { _S_max_rope_depth = __ROPE_MAX_DEPTH };
+ enum _Tag {_S_leaf, _S_concat, _S_substringfn, _S_function};
+ // Apparently needed by VC++
+ // The data fields of leaves are allocated with some
+ // extra space, to accomodate future growth and for basic
+ // character types, to hold a trailing eos character.
+ enum { _S_alloc_granularity = 8 };
+
+ _Tag _M_tag:8;
+ bool _M_is_balanced:8;
+
+ _STLP_FORCE_ALLOCATORS(_CharT, _Alloc)
+ typedef typename _Alloc_traits<_CharT,_Alloc>::allocator_type allocator_type;
+
+ allocator_type get_allocator() const { return allocator_type(_M_size); }
+
+ unsigned char _M_depth;
+ _CharT* _STLP_VOLATILE _M_c_string;
+ _STLP_PRIV _STLP_alloc_proxy<size_t, _CharT, allocator_type> _M_size;
+
+# ifdef _STLP_NO_ARROW_OPERATOR
+ _Rope_RopeRep() : _Refcount_Base(1), _M_size(allocator_type(), 0) {}
+# endif
+
+ /* Flattened version of string, if needed. */
+ /* typically 0. */
+ /* If it's not 0, then the memory is owned */
+ /* by this node. */
+ /* In the case of a leaf, this may point to */
+ /* the same memory as the data field. */
+ _Rope_RopeRep(_Tag __t, unsigned char __d, bool __b, size_t _p_size,
+ allocator_type __a) :
+ _Refcount_Base(1),
+ _M_tag(__t), _M_is_balanced(__b), _M_depth(__d), _M_c_string(0), _M_size(__a, _p_size)
+ { }
+
+ typedef typename _AreSameUnCVTypes<_CharT, char>::_Ret _IsChar;
+# ifdef _STLP_HAS_WCHAR_T
+ typedef typename _AreSameUnCVTypes<_CharT, wchar_t>::_Ret _IsWCharT;
+# else
+ typedef __false_type _IsWCharT;
+# endif
+
+ typedef typename _Lor2<_IsChar, _IsWCharT>::_Ret _IsBasicCharType;
+
+#if 0
+ /* Please tell why this code is necessary if you uncomment it.
+ * Problem with it is that rope implementation expect that _S_rounded_up_size(n)
+ * returns a size > n in order to store the terminating null charater. When
+ * instanciation type is not a char or wchar_t this is not guaranty resulting in
+ * memory overrun.
+ */
+ static size_t _S_rounded_up_size_aux(size_t __n, __true_type const& /*_IsBasicCharType*/) {
+ // Allow slop for in-place expansion.
+ return (__n + _S_alloc_granularity) & ~(_S_alloc_granularity - 1);
+ }
+
+ static size_t _S_rounded_up_size_aux(size_t __n, __false_type const& /*_IsBasicCharType*/) {
+ // Allow slop for in-place expansion.
+ return (__n + _S_alloc_granularity - 1) & ~(_S_alloc_granularity - 1);
+ }
+#endif
+ // fbp : moved from RopeLeaf
+ static size_t _S_rounded_up_size(size_t __n)
+ //{ return _S_rounded_up_size_aux(__n, _IsBasicCharType()); }
+ { return (__n + _S_alloc_granularity) & ~(_S_alloc_granularity - 1); }
+
+ static void _S_free_string( _CharT* __s, size_t __len,
+ allocator_type __a) {
+ _STLP_STD::_Destroy_Range(__s, __s + __len);
+ // This has to be a static member, so this gets a bit messy
+# ifndef _STLP_DONT_SUPPORT_REBIND_MEMBER_TEMPLATE
+ __a.deallocate(__s, _S_rounded_up_size(__len)); //*ty 03/24/2001 - restored not to use __stl_alloc_rebind() since it is not defined under _STLP_MEMBER_TEMPLATE_CLASSES
+# else
+ __stl_alloc_rebind (__a, (_CharT*)0).deallocate(__s, _S_rounded_up_size(__len));
+# endif
+ }
+
+ // Deallocate data section of a leaf.
+ // This shouldn't be a member function.
+ // But its hard to do anything else at the
+ // moment, because it's templatized w.r.t.
+ // an allocator.
+ // Does nothing if __GC is defined.
+ void _M_free_c_string();
+ void _M_free_tree();
+ // Deallocate t. Assumes t is not 0.
+ void _M_unref_nonnil() {
+ if (_M_decr() == 0) _M_free_tree();
+ }
+ void _M_ref_nonnil() {
+ _M_incr();
+ }
+ static void _S_unref(_Self* __t) {
+ if (0 != __t) {
+ __t->_M_unref_nonnil();
+ }
+ }
+ static void _S_ref(_Self* __t) {
+ if (0 != __t) __t->_M_incr();
+ }
+ //static void _S_free_if_unref(_Self* __t) {
+ // if (0 != __t && 0 == __t->_M_ref_count) __t->_M_free_tree();
+ //}
+};
+
+template<class _CharT, class _Alloc>
+struct _Rope_RopeLeaf : public _Rope_RopeRep<_CharT,_Alloc> {
+public:
+ _CharT* _M_data; /* Not necessarily 0 terminated. */
+ /* The allocated size is */
+ /* _S_rounded_up_size(size), except */
+ /* in the GC case, in which it */
+ /* doesn't matter. */
+private:
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+ typedef typename _RopeRep::_IsBasicCharType _IsBasicCharType;
+ void _M_init(__true_type const& /*_IsBasicCharType*/) {
+ this->_M_c_string = _M_data;
+ }
+ void _M_init(__false_type const& /*_IsBasicCharType*/) {}
+
+public:
+ _STLP_FORCE_ALLOCATORS(_CharT, _Alloc)
+ typedef typename _RopeRep::allocator_type allocator_type;
+
+ _Rope_RopeLeaf( _CharT* __d, size_t _p_size, allocator_type __a)
+ : _Rope_RopeRep<_CharT,_Alloc>(_RopeRep::_S_leaf, 0, true, _p_size, __a),
+ _M_data(__d) {
+ _STLP_ASSERT(_p_size > 0)
+ _M_init(_IsBasicCharType());
+ }
+
+# ifdef _STLP_NO_ARROW_OPERATOR
+ _Rope_RopeLeaf() {}
+ _Rope_RopeLeaf(const _Rope_RopeLeaf<_CharT, _Alloc>& ) {}
+# endif
+
+// The constructor assumes that d has been allocated with
+ // the proper allocator and the properly padded size.
+ // In contrast, the destructor deallocates the data:
+ ~_Rope_RopeLeaf() {
+ if (_M_data != this->_M_c_string) {
+ this->_M_free_c_string();
+ }
+ _RopeRep::_S_free_string(_M_data, this->_M_size._M_data, this->get_allocator());
+ }
+};
+
+template<class _CharT, class _Alloc>
+struct _Rope_RopeConcatenation : public _Rope_RopeRep<_CharT, _Alloc> {
+private:
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+
+public:
+ _RopeRep* _M_left;
+ _RopeRep* _M_right;
+ _STLP_FORCE_ALLOCATORS(_CharT, _Alloc)
+ typedef typename _RopeRep::allocator_type allocator_type;
+ _Rope_RopeConcatenation(_RopeRep* __l, _RopeRep* __r, allocator_type __a)
+ : _Rope_RopeRep<_CharT,_Alloc>(_RopeRep::_S_concat,
+ (max)(__l->_M_depth, __r->_M_depth) + 1, false,
+ __l->_M_size._M_data + __r->_M_size._M_data, __a), _M_left(__l), _M_right(__r)
+ {}
+# ifdef _STLP_NO_ARROW_OPERATOR
+ _Rope_RopeConcatenation() {}
+ _Rope_RopeConcatenation(const _Rope_RopeConcatenation<_CharT, _Alloc>&) {}
+# endif
+
+ ~_Rope_RopeConcatenation() {
+ this->_M_free_c_string();
+ _M_left->_M_unref_nonnil();
+ _M_right->_M_unref_nonnil();
+ }
+};
+
+template <class _CharT, class _Alloc>
+struct _Rope_RopeFunction : public _Rope_RopeRep<_CharT, _Alloc> {
+private:
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+public:
+ char_producer<_CharT>* _M_fn;
+ /*
+ * Char_producer is owned by the
+ * rope and should be explicitly
+ * deleted when the rope becomes
+ * inaccessible.
+ */
+ bool _M_delete_when_done;
+ _STLP_FORCE_ALLOCATORS(_CharT, _Alloc)
+ typedef typename _Rope_RopeRep<_CharT,_Alloc>::allocator_type allocator_type;
+# ifdef _STLP_NO_ARROW_OPERATOR
+ _Rope_RopeFunction() {}
+ _Rope_RopeFunction(const _Rope_RopeFunction<_CharT, _Alloc>& ) {}
+# endif
+
+ _Rope_RopeFunction(char_producer<_CharT>* __f, size_t _p_size,
+ bool __d, allocator_type __a)
+ : _Rope_RopeRep<_CharT,_Alloc>(_RopeRep::_S_function, 0, true, _p_size, __a), _M_fn(__f)
+ , _M_delete_when_done(__d)
+ { _STLP_ASSERT(_p_size > 0) }
+
+ ~_Rope_RopeFunction() {
+ this->_M_free_c_string();
+ if (_M_delete_when_done) {
+ delete _M_fn;
+ }
+ }
+};
+
+/*
+ * Substring results are usually represented using just
+ * concatenation nodes. But in the case of very long flat ropes
+ * or ropes with a functional representation that isn't practical.
+ * In that case, we represent the __result as a special case of
+ * RopeFunction, whose char_producer points back to the rope itself.
+ * In all cases except repeated substring operations and
+ * deallocation, we treat the __result as a RopeFunction.
+ */
+template<class _CharT, class _Alloc>
+struct _Rope_RopeSubstring : public char_producer<_CharT>, public _Rope_RopeFunction<_CharT,_Alloc> {
+public:
+ // XXX this whole class should be rewritten.
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+ _RopeRep *_M_base; // not 0
+ size_t _M_start;
+ /* virtual */ void operator()(size_t __start_pos, size_t __req_len,
+ _CharT* __buffer) {
+ typedef _Rope_RopeFunction<_CharT,_Alloc> _RopeFunction;
+ typedef _Rope_RopeLeaf<_CharT,_Alloc> _RopeLeaf;
+ switch (_M_base->_M_tag) {
+ case _RopeRep::_S_function:
+ case _RopeRep::_S_substringfn:
+ {
+ char_producer<_CharT>* __fn =
+ __STATIC_CAST(_RopeFunction*, _M_base)->_M_fn;
+ _STLP_ASSERT(__start_pos + __req_len <= this->_M_size._M_data)
+ _STLP_ASSERT(_M_start + this->_M_size._M_data <= _M_base->_M_size._M_data)
+ (*__fn)(__start_pos + _M_start, __req_len, __buffer);
+ }
+ break;
+ case _RopeRep::_S_leaf:
+ {
+ _CharT* __s =
+ __STATIC_CAST(_RopeLeaf*, _M_base)->_M_data;
+ _STLP_PRIV __ucopy_n(__s + __start_pos + _M_start, __req_len, __buffer);
+ }
+ break;
+ default:
+ _STLP_ASSERT(false)
+ ;
+ }
+ }
+
+ _STLP_FORCE_ALLOCATORS(_CharT, _Alloc)
+ typedef typename _RopeRep::allocator_type allocator_type;
+
+ _Rope_RopeSubstring(_RopeRep* __b, size_t __s, size_t __l, allocator_type __a)
+ : _Rope_RopeFunction<_CharT,_Alloc>(this, __l, false, __a),
+ _M_base(__b), _M_start(__s) {
+ _STLP_ASSERT(__l > 0)
+ _STLP_ASSERT(__s + __l <= __b->_M_size._M_data)
+ _M_base->_M_ref_nonnil();
+ this->_M_tag = _RopeRep::_S_substringfn;
+ }
+ virtual ~_Rope_RopeSubstring()
+ { _M_base->_M_unref_nonnil(); }
+};
+
+/*
+ * Self-destructing pointers to Rope_rep.
+ * These are not conventional smart pointers. Their
+ * only purpose in life is to ensure that unref is called
+ * on the pointer either at normal exit or if an exception
+ * is raised. It is the caller's responsibility to
+ * adjust reference counts when these pointers are initialized
+ * or assigned to. (This convention significantly reduces
+ * the number of potentially expensive reference count
+ * updates.)
+ */
+template<class _CharT, class _Alloc>
+struct _Rope_self_destruct_ptr {
+ _Rope_RopeRep<_CharT,_Alloc>* _M_ptr;
+ ~_Rope_self_destruct_ptr()
+ { _Rope_RopeRep<_CharT,_Alloc>::_S_unref(_M_ptr); }
+# ifdef _STLP_USE_EXCEPTIONS
+ _Rope_self_destruct_ptr() : _M_ptr(0) {}
+# else
+ _Rope_self_destruct_ptr() {}
+# endif
+ _Rope_self_destruct_ptr(_Rope_RopeRep<_CharT,_Alloc>* __p) : _M_ptr(__p) {}
+ _Rope_RopeRep<_CharT,_Alloc>& operator*() { return *_M_ptr; }
+ _Rope_RopeRep<_CharT,_Alloc>* operator->() { return _M_ptr; }
+ operator _Rope_RopeRep<_CharT,_Alloc>*() { return _M_ptr; }
+ _Rope_self_destruct_ptr<_CharT, _Alloc>&
+ operator= (_Rope_RopeRep<_CharT,_Alloc>* __x)
+ { _M_ptr = __x; return *this; }
+};
+
+/*
+ * Dereferencing a nonconst iterator has to return something
+ * that behaves almost like a reference. It's not possible to
+ * return an actual reference since assignment requires extra
+ * work. And we would get into the same problems as with the
+ * CD2 version of basic_string.
+ */
+template<class _CharT, class _Alloc>
+class _Rope_char_ref_proxy {
+ typedef _Rope_char_ref_proxy<_CharT, _Alloc> _Self;
+ friend class rope<_CharT,_Alloc>;
+ friend class _Rope_iterator<_CharT,_Alloc>;
+ friend class _Rope_char_ptr_proxy<_CharT,_Alloc>;
+ typedef _Rope_self_destruct_ptr<_CharT,_Alloc> _Self_destruct_ptr;
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+ typedef rope<_CharT,_Alloc> _My_rope;
+ size_t _M_pos;
+ _CharT _M_current;
+ bool _M_current_valid;
+ _My_rope* _M_root; // The whole rope.
+public:
+ _Rope_char_ref_proxy(_My_rope* __r, size_t __p) :
+ _M_pos(__p), _M_current_valid(false), _M_root(__r) {}
+ _Rope_char_ref_proxy(const _Self& __x) :
+ _M_pos(__x._M_pos), _M_current_valid(false), _M_root(__x._M_root) {}
+ // Don't preserve cache if the reference can outlive the
+ // expression. We claim that's not possible without calling
+ // a copy constructor or generating reference to a proxy
+ // reference. We declare the latter to have undefined semantics.
+ _Rope_char_ref_proxy(_My_rope* __r, size_t __p, _CharT __c)
+ : _M_pos(__p), _M_current(__c), _M_current_valid(true), _M_root(__r) {}
+ inline operator _CharT () const;
+ _Self& operator= (_CharT __c);
+ _Rope_char_ptr_proxy<_CharT, _Alloc> operator& () const;
+ _Self& operator= (const _Self& __c) {
+ return operator=((_CharT)__c);
+ }
+};
+
+#ifdef _STLP_FUNCTION_TMPL_PARTIAL_ORDER
+template<class _CharT, class __Alloc>
+inline void swap(_Rope_char_ref_proxy <_CharT, __Alloc > __a,
+ _Rope_char_ref_proxy <_CharT, __Alloc > __b) {
+ _CharT __tmp = __a;
+ __a = __b;
+ __b = __tmp;
+}
+#else
+// There is no really acceptable way to handle this. The default
+// definition of swap doesn't work for proxy references.
+// It can't really be made to work, even with ugly hacks, since
+// the only unusual operation it uses is the copy constructor, which
+// is needed for other purposes. We provide a macro for
+// full specializations, and instantiate the most common case.
+# define _ROPE_SWAP_SPECIALIZATION(_CharT, __Alloc) \
+ inline void swap(_Rope_char_ref_proxy <_CharT, __Alloc > __a, \
+ _Rope_char_ref_proxy <_CharT, __Alloc > __b) { \
+ _CharT __tmp = __a; \
+ __a = __b; \
+ __b = __tmp; \
+ }
+
+_ROPE_SWAP_SPECIALIZATION(char,_STLP_DEFAULT_ALLOCATOR(char) )
+
+# ifndef _STLP_NO_WCHAR_T
+_ROPE_SWAP_SPECIALIZATION(wchar_t,_STLP_DEFAULT_ALLOCATOR(wchar_t) )
+# endif
+
+#endif /* !_STLP_FUNCTION_TMPL_PARTIAL_ORDER */
+
+template<class _CharT, class _Alloc>
+class _Rope_char_ptr_proxy {
+ // XXX this class should be rewritten.
+public:
+ typedef _Rope_char_ptr_proxy<_CharT, _Alloc> _Self;
+ friend class _Rope_char_ref_proxy<_CharT,_Alloc>;
+ size_t _M_pos;
+ rope<_CharT,_Alloc>* _M_root; // The whole rope.
+
+ _Rope_char_ptr_proxy(const _Rope_char_ref_proxy<_CharT,_Alloc>& __x)
+ : _M_pos(__x._M_pos), _M_root(__x._M_root) {}
+ _Rope_char_ptr_proxy(const _Self& __x)
+ : _M_pos(__x._M_pos), _M_root(__x._M_root) {}
+ _Rope_char_ptr_proxy() {}
+ _Rope_char_ptr_proxy(_CharT* __x) : _M_pos(0), _M_root(0) {
+ _STLP_ASSERT(0 == __x)
+ }
+ _Self& operator= (const _Self& __x) {
+ _M_pos = __x._M_pos;
+ _M_root = __x._M_root;
+ return *this;
+ }
+
+ _Rope_char_ref_proxy<_CharT,_Alloc> operator*() const {
+ return _Rope_char_ref_proxy<_CharT,_Alloc>(_M_root, _M_pos);
+ }
+};
+
+
+/*
+ * Rope iterators:
+ * Unlike in the C version, we cache only part of the stack
+ * for rope iterators, since they must be efficiently copyable.
+ * When we run out of cache, we have to reconstruct the iterator
+ * value.
+ * Pointers from iterators are not included in reference counts.
+ * Iterators are assumed to be thread private. Ropes can
+ * be shared.
+ */
+template<class _CharT, class _Alloc>
+class _Rope_iterator_base
+/* : public random_access_iterator<_CharT, ptrdiff_t> */
+{
+ friend class rope<_CharT,_Alloc>;
+ typedef _Rope_iterator_base<_CharT, _Alloc> _Self;
+ typedef _Rope_RopeConcatenation<_CharT,_Alloc> _RopeConcat;
+public:
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+
+ enum { _S_path_cache_len = 4 }; // Must be <= 9 because of _M_path_direction.
+ enum { _S_iterator_buf_len = 15 };
+ size_t _M_current_pos;
+ // The whole rope.
+ _RopeRep* _M_root;
+ // Starting position for current leaf
+ size_t _M_leaf_pos;
+ // Buffer possibly containing current char.
+ _CharT* _M_buf_start;
+ // Pointer to current char in buffer, != 0 ==> buffer valid.
+ _CharT* _M_buf_ptr;
+ // One past __last valid char in buffer.
+ _CharT* _M_buf_end;
+
+ // What follows is the path cache. We go out of our
+ // way to make this compact.
+ // Path_end contains the bottom section of the path from
+ // the root to the current leaf.
+ struct {
+# if defined (__BORLANDC__) && (__BORLANDC__ < 0x560)
+ _RopeRep const*_M_data[4];
+# else
+ _RopeRep const*_M_data[_S_path_cache_len];
+# endif
+ } _M_path_end;
+ // Last valid __pos in path_end;
+ // _M_path_end[0] ... _M_path_end[_M_leaf_index-1]
+ // point to concatenation nodes.
+ int _M_leaf_index;
+ // (_M_path_directions >> __i) & 1 is 1
+ // if we got from _M_path_end[leaf_index - __i - 1]
+ // to _M_path_end[leaf_index - __i] by going to the
+ // __right. Assumes path_cache_len <= 9.
+ unsigned char _M_path_directions;
+ // Short buffer for surrounding chars.
+ // This is useful primarily for
+ // RopeFunctions. We put the buffer
+ // here to avoid locking in the
+ // multithreaded case.
+ // The cached path is generally assumed to be valid
+ // only if the buffer is valid.
+ struct {
+# if defined (__BORLANDC__) && (__BORLANDC__ < 0x560)
+ _CharT _M_data[15];
+# else
+ _CharT _M_data[_S_iterator_buf_len];
+# endif
+ } _M_tmp_buf;
+
+ // Set buffer contents given path cache.
+ static void _S_setbuf(_Rope_iterator_base<_CharT, _Alloc>& __x);
+ // Set buffer contents and path cache.
+ static void _S_setcache(_Rope_iterator_base<_CharT, _Alloc>& __x);
+ // As above, but assumes path cache is valid for previous posn.
+ static void _S_setcache_for_incr(_Rope_iterator_base<_CharT, _Alloc>& __x);
+ _Rope_iterator_base() {}
+ _Rope_iterator_base(_RopeRep* __root, size_t __pos)
+ : _M_current_pos(__pos),_M_root(__root), _M_buf_ptr(0) {}
+ void _M_incr(size_t __n);
+ void _M_decr(size_t __n);
+public:
+ size_t index() const { return _M_current_pos; }
+private:
+ void _M_copy_buf(const _Self& __x) {
+ _M_tmp_buf = __x._M_tmp_buf;
+ if (__x._M_buf_start == __x._M_tmp_buf._M_data) {
+ _M_buf_start = _M_tmp_buf._M_data;
+ _M_buf_end = _M_buf_start + (__x._M_buf_end - __x._M_buf_start);
+ _M_buf_ptr = _M_buf_start + (__x._M_buf_ptr - __x._M_buf_start);
+ } else {
+ _M_buf_end = __x._M_buf_end;
+ }
+ }
+
+public:
+ _Rope_iterator_base(const _Self& __x) :
+ _M_current_pos(__x._M_current_pos),
+ _M_root(__x._M_root),
+ _M_leaf_pos( __x._M_leaf_pos ),
+ _M_buf_start(__x._M_buf_start),
+ _M_buf_ptr(__x._M_buf_ptr),
+ _M_path_end(__x._M_path_end),
+ _M_leaf_index(__x._M_leaf_index),
+ _M_path_directions(__x._M_path_directions)
+ {
+ if (0 != __x._M_buf_ptr) {
+ _M_copy_buf(__x);
+ }
+ }
+ _Self& operator = (const _Self& __x)
+ {
+ _M_current_pos = __x._M_current_pos;
+ _M_root = __x._M_root;
+ _M_buf_start = __x._M_buf_start;
+ _M_buf_ptr = __x._M_buf_ptr;
+ _M_path_end = __x._M_path_end;
+ _M_leaf_index = __x._M_leaf_index;
+ _M_path_directions = __x._M_path_directions;
+ _M_leaf_pos = __x._M_leaf_pos;
+ if (0 != __x._M_buf_ptr) {
+ _M_copy_buf(__x);
+ }
+ return *this;
+ }
+};
+
+template<class _CharT, class _Alloc> class _Rope_iterator;
+
+template<class _CharT, class _Alloc>
+class _Rope_const_iterator : public _Rope_iterator_base<_CharT,_Alloc> {
+ friend class rope<_CharT,_Alloc>;
+ typedef _Rope_const_iterator<_CharT, _Alloc> _Self;
+ typedef _Rope_iterator_base<_CharT,_Alloc> _Base;
+ // protected:
+public:
+# ifndef _STLP_HAS_NO_NAMESPACES
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+ // The one from the base class may not be directly visible.
+# endif
+ _Rope_const_iterator(const _RopeRep* __root, size_t __pos):
+ _Rope_iterator_base<_CharT,_Alloc>(__CONST_CAST(_RopeRep*,__root), __pos)
+ // Only nonconst iterators modify root ref count
+ {}
+public:
+ typedef _CharT reference; // Really a value. Returning a reference
+ // Would be a mess, since it would have
+ // to be included in refcount.
+ typedef const _CharT* pointer;
+ typedef _CharT value_type;
+ typedef ptrdiff_t difference_type;
+ typedef random_access_iterator_tag iterator_category;
+
+public:
+ _Rope_const_iterator() {}
+ _Rope_const_iterator(const _Self& __x) :
+ _Rope_iterator_base<_CharT,_Alloc>(__x) { }
+ _Rope_const_iterator(const _Rope_iterator<_CharT,_Alloc>& __x):
+ _Rope_iterator_base<_CharT,_Alloc>(__x) {}
+ _Rope_const_iterator(const rope<_CharT,_Alloc>& __r, size_t __pos) :
+ _Rope_iterator_base<_CharT,_Alloc>(__r._M_tree_ptr._M_data, __pos) {}
+ _Self& operator= (const _Self& __x) {
+ _Base::operator=(__x);
+ return *this;
+ }
+ reference operator*() {
+ if (0 == this->_M_buf_ptr)
+#if !defined (__DMC__)
+ _S_setcache(*this);
+#else
+ { _Rope_iterator_base<_CharT, _Alloc>* __x = this; _S_setcache(*__x); }
+#endif
+ return *(this->_M_buf_ptr);
+ }
+ _Self& operator++() {
+ _CharT* __next;
+ if (0 != this->_M_buf_ptr && (__next = this->_M_buf_ptr + 1) < this->_M_buf_end) {
+ this->_M_buf_ptr = __next;
+ ++this->_M_current_pos;
+ } else {
+ this->_M_incr(1);
+ }
+ return *this;
+ }
+ _Self& operator+=(ptrdiff_t __n) {
+ if (__n >= 0) {
+ this->_M_incr(__n);
+ } else {
+ this->_M_decr(-__n);
+ }
+ return *this;
+ }
+ _Self& operator--() {
+ this->_M_decr(1);
+ return *this;
+ }
+ _Self& operator-=(ptrdiff_t __n) {
+ if (__n >= 0) {
+ this->_M_decr(__n);
+ } else {
+ this->_M_incr(-__n);
+ }
+ return *this;
+ }
+ _Self operator++(int) {
+ size_t __old_pos = this->_M_current_pos;
+ this->_M_incr(1);
+ return _Rope_const_iterator<_CharT,_Alloc>(this->_M_root, __old_pos);
+ // This makes a subsequent dereference expensive.
+ // Perhaps we should instead copy the iterator
+ // if it has a valid cache?
+ }
+ _Self operator--(int) {
+ size_t __old_pos = this->_M_current_pos;
+ this->_M_decr(1);
+ return _Rope_const_iterator<_CharT,_Alloc>(this->_M_root, __old_pos);
+ }
+ inline reference operator[](size_t __n);
+};
+
+template<class _CharT, class _Alloc>
+class _Rope_iterator : public _Rope_iterator_base<_CharT,_Alloc> {
+ friend class rope<_CharT,_Alloc>;
+ typedef _Rope_iterator<_CharT, _Alloc> _Self;
+ typedef _Rope_iterator_base<_CharT,_Alloc> _Base;
+ typedef _Rope_RopeRep<_CharT,_Alloc> _RopeRep;
+
+public:
+ rope<_CharT,_Alloc>* _M_root_rope;
+ // root is treated as a cached version of this,
+ // and is used to detect changes to the underlying
+ // rope.
+ // Root is included in the reference count.
+ // This is necessary so that we can detect changes reliably.
+ // Unfortunately, it requires careful bookkeeping for the
+ // nonGC case.
+ _Rope_iterator(rope<_CharT,_Alloc>* __r, size_t __pos);
+
+ void _M_check();
+public:
+ typedef _Rope_char_ref_proxy<_CharT,_Alloc> reference;
+ typedef _Rope_char_ref_proxy<_CharT,_Alloc>* pointer;
+ typedef _CharT value_type;
+ typedef ptrdiff_t difference_type;
+ typedef random_access_iterator_tag iterator_category;
+public:
+ ~_Rope_iterator() { //*TY 5/6/00 - added dtor to balance reference count
+ _RopeRep::_S_unref(this->_M_root);
+ }
+
+ rope<_CharT,_Alloc>& container() { return *_M_root_rope; }
+ _Rope_iterator() {
+ this->_M_root = 0; // Needed for reference counting.
+ }
+ _Rope_iterator(const _Self& __x) :
+ _Rope_iterator_base<_CharT,_Alloc>(__x) {
+ _M_root_rope = __x._M_root_rope;
+ _RopeRep::_S_ref(this->_M_root);
+ }
+ _Rope_iterator(rope<_CharT,_Alloc>& __r, size_t __pos);
+ _Self& operator= (const _Self& __x) {
+ _RopeRep* __old = this->_M_root;
+ _RopeRep::_S_ref(__x._M_root);
+ _Base::operator=(__x);
+ _M_root_rope = __x._M_root_rope;
+ _RopeRep::_S_unref(__old);
+ return *this;
+ }
+ reference operator*() {
+ _M_check();
+ if (0 == this->_M_buf_ptr) {
+ return reference(_M_root_rope, this->_M_current_pos);
+ } else {
+ return reference(_M_root_rope, this->_M_current_pos, *(this->_M_buf_ptr));
+ }
+ }
+ _Self& operator++() {
+ this->_M_incr(1);
+ return *this;
+ }
+ _Self& operator+=(ptrdiff_t __n) {
+ if (__n >= 0) {
+ this->_M_incr(__n);
+ } else {
+ this->_M_decr(-__n);
+ }
+ return *this;
+ }
+ _Self& operator--() {
+ this->_M_decr(1);
+ return *this;
+ }
+ _Self& operator-=(ptrdiff_t __n) {
+ if (__n >= 0) {
+ this->_M_decr(__n);
+ } else {
+ this->_M_incr(-__n);
+ }
+ return *this;
+ }
+ _Self operator++(int) {
+ size_t __old_pos = this->_M_current_pos;
+ this->_M_incr(1);
+ return _Self(_M_root_rope, __old_pos);
+ }
+ _Self operator--(int) {
+ size_t __old_pos = this->_M_current_pos;
+ this->_M_decr(1);
+ return _Self(_M_root_rope, __old_pos);
+ }
+ reference operator[](ptrdiff_t __n) {
+ return reference(_M_root_rope, this->_M_current_pos + __n);
+ }
+};
+
+# ifdef _STLP_USE_OLD_HP_ITERATOR_QUERIES
+template <class _CharT, class _Alloc>
+inline random_access_iterator_tag
+iterator_category(const _Rope_iterator<_CharT,_Alloc>&) { return random_access_iterator_tag();}
+template <class _CharT, class _Alloc>
+inline _CharT* value_type(const _Rope_iterator<_CharT,_Alloc>&) { return 0; }
+template <class _CharT, class _Alloc>
+inline ptrdiff_t* distance_type(const _Rope_iterator<_CharT,_Alloc>&) { return 0; }
+template <class _CharT, class _Alloc>
+inline random_access_iterator_tag
+iterator_category(const _Rope_const_iterator<_CharT,_Alloc>&) { return random_access_iterator_tag(); }
+template <class _CharT, class _Alloc>
+inline _CharT* value_type(const _Rope_const_iterator<_CharT,_Alloc>&) { return 0; }
+template <class _CharT, class _Alloc>
+inline ptrdiff_t* distance_type(const _Rope_const_iterator<_CharT,_Alloc>&) { return 0; }
+#endif /* _STLP_USE_OLD_HP_ITERATOR_QUERIES */
+
+template <class _CharT, class _Alloc, class _CharConsumer>
+bool _S_apply_to_pieces(_CharConsumer& __c,
+ _Rope_RopeRep<_CharT, _Alloc> *__r,
+ size_t __begin, size_t __end);
+ // begin and end are assumed to be in range.
+
+template <class _CharT, class _Alloc>
+class rope
+#if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND)
+ : public __stlport_class<rope<_CharT, _Alloc> >
+#endif
+{
+ typedef rope<_CharT,_Alloc> _Self;
+public:
+ typedef _CharT value_type;
+ typedef ptrdiff_t difference_type;
+ typedef size_t size_type;
+ typedef _CharT const_reference;
+ typedef const _CharT* const_pointer;
+ typedef _Rope_iterator<_CharT,_Alloc> iterator;
+ typedef _Rope_const_iterator<_CharT,_Alloc> const_iterator;
+ typedef _Rope_char_ref_proxy<_CharT,_Alloc> reference;
+ typedef _Rope_char_ptr_proxy<_CharT,_Alloc> pointer;
+
+ friend class _Rope_iterator<_CharT,_Alloc>;
+ friend class _Rope_const_iterator<_CharT,_Alloc>;
+ friend struct _Rope_RopeRep<_CharT,_Alloc>;
+ friend class _Rope_iterator_base<_CharT,_Alloc>;
+ friend class _Rope_char_ptr_proxy<_CharT,_Alloc>;
+ friend class _Rope_char_ref_proxy<_CharT,_Alloc>;
+ friend struct _Rope_RopeSubstring<_CharT,_Alloc>;
+
+ _STLP_DECLARE_RANDOM_ACCESS_REVERSE_ITERATORS;
+
+protected:
+ typedef _CharT* _Cstrptr;
+
+ static _CharT _S_empty_c_str[1];
+
+ enum { _S_copy_max = 23 };
+ // For strings shorter than _S_copy_max, we copy to
+ // concatenate.
+
+ typedef _Rope_RopeRep<_CharT, _Alloc> _RopeRep;
+ typedef typename _RopeRep::_IsBasicCharType _IsBasicCharType;
+
+public:
+ _STLP_FORCE_ALLOCATORS(_CharT, _Alloc)
+ typedef typename _Alloc_traits<_CharT,_Alloc>::allocator_type allocator_type;
+
+public:
+ // The only data member of a rope:
+ _STLP_PRIV _STLP_alloc_proxy<_RopeRep*, _CharT, allocator_type> _M_tree_ptr;
+
+public:
+ allocator_type get_allocator() const { return allocator_type(_M_tree_ptr); }
+
+public:
+ typedef _Rope_RopeConcatenation<_CharT,_Alloc> _RopeConcatenation;
+ typedef _Rope_RopeLeaf<_CharT,_Alloc> _RopeLeaf;
+ typedef _Rope_RopeFunction<_CharT,_Alloc> _RopeFunction;
+ typedef _Rope_RopeSubstring<_CharT,_Alloc> _RopeSubstring;
+
+ // Retrieve a character at the indicated position.
+ static _CharT _S_fetch(_RopeRep* __r, size_type __pos);
+
+ // Obtain a pointer to the character at the indicated position.
+ // The pointer can be used to change the character.
+ // If such a pointer cannot be produced, as is frequently the
+ // case, 0 is returned instead.
+ // (Returns nonzero only if all nodes in the path have a refcount
+ // of 1.)
+ static _CharT* _S_fetch_ptr(_RopeRep* __r, size_type __pos);
+
+ static void _S_unref(_RopeRep* __t) {
+ _RopeRep::_S_unref(__t);
+ }
+ static void _S_ref(_RopeRep* __t) {
+ _RopeRep::_S_ref(__t);
+ }
+
+ typedef _Rope_self_destruct_ptr<_CharT,_Alloc> _Self_destruct_ptr;
+
+ // _Result is counted in refcount.
+ static _RopeRep* _S_substring(_RopeRep* __base,
+ size_t __start, size_t __endp1);
+
+ static _RopeRep* _S_concat_char_iter(_RopeRep* __r,
+ const _CharT* __iter, size_t __slen);
+ // Concatenate rope and char ptr, copying __s.
+ // Should really take an arbitrary iterator.
+ // Result is counted in refcount.
+ static _RopeRep* _S_destr_concat_char_iter(_RopeRep* __r,
+ const _CharT* __iter, size_t __slen);
+ // As above, but one reference to __r is about to be
+ // destroyed. Thus the pieces may be recycled if all
+ // relevent reference counts are 1.
+
+ // General concatenation on _RopeRep. _Result
+ // has refcount of 1. Adjusts argument refcounts.
+ static _RopeRep* _S_concat_rep(_RopeRep* __left, _RopeRep* __right);
+
+public:
+#if defined (_STLP_MEMBER_TEMPLATES)
+ template <class _CharConsumer>
+#else
+ typedef _Rope_char_consumer<_CharT> _CharConsumer;
+#endif
+ void apply_to_pieces(size_t __begin, size_t __end,
+ _CharConsumer& __c) const
+ { _S_apply_to_pieces(__c, _M_tree_ptr._M_data, __begin, __end); }
+
+protected:
+
+ static size_t _S_rounded_up_size(size_t __n)
+ { return _RopeRep::_S_rounded_up_size(__n); }
+
+ // Allocate and construct a RopeLeaf using the supplied allocator
+ // Takes ownership of s instead of copying.
+ static _RopeLeaf* _S_new_RopeLeaf(_CharT *__s,
+ size_t _p_size, allocator_type __a) {
+ _RopeLeaf* __space = _STLP_CREATE_ALLOCATOR(allocator_type, __a,
+ _RopeLeaf).allocate(1);
+ _STLP_TRY {
+ _STLP_PLACEMENT_NEW(__space) _RopeLeaf(__s, _p_size, __a);
+ }
+ _STLP_UNWIND(_STLP_CREATE_ALLOCATOR(allocator_type,__a,
+ _RopeLeaf).deallocate(__space, 1))
+ return __space;
+ }
+
+ static _RopeConcatenation* _S_new_RopeConcatenation(_RopeRep* __left, _RopeRep* __right,
+ allocator_type __a) {
+ _RopeConcatenation* __space = _STLP_CREATE_ALLOCATOR(allocator_type, __a,
+ _RopeConcatenation).allocate(1);
+ return _STLP_PLACEMENT_NEW(__space) _RopeConcatenation(__left, __right, __a);
+ }
+
+ static _RopeFunction* _S_new_RopeFunction(char_producer<_CharT>* __f,
+ size_t _p_size, bool __d, allocator_type __a) {
+ _RopeFunction* __space = _STLP_CREATE_ALLOCATOR(allocator_type, __a,
+ _RopeFunction).allocate(1);
+ return _STLP_PLACEMENT_NEW(__space) _RopeFunction(__f, _p_size, __d, __a);
+ }
+
+ static _RopeSubstring* _S_new_RopeSubstring(_Rope_RopeRep<_CharT,_Alloc>* __b, size_t __s,
+ size_t __l, allocator_type __a) {
+ _RopeSubstring* __space = _STLP_CREATE_ALLOCATOR(allocator_type, __a,
+ _RopeSubstring).allocate(1);
+ return _STLP_PLACEMENT_NEW(__space) _RopeSubstring(__b, __s, __l, __a);
+ }
+
+ static
+ _RopeLeaf* _S_RopeLeaf_from_unowned_char_ptr(const _CharT *__s,
+ size_t _p_size, allocator_type __a) {
+ if (0 == _p_size) return 0;
+
+ _CharT* __buf = _STLP_CREATE_ALLOCATOR(allocator_type,__a, _CharT).allocate(_S_rounded_up_size(_p_size));
+
+ _STLP_PRIV __ucopy_n(__s, _p_size, __buf);
+ _S_construct_null(__buf + _p_size);
+
+ _STLP_TRY {
+ return _S_new_RopeLeaf(__buf, _p_size, __a);
+ }
+ _STLP_UNWIND(_RopeRep::_S_free_string(__buf, _p_size, __a))
+ _STLP_RET_AFTER_THROW(0)
+ }
+
+
+ // Concatenation of nonempty strings.
+ // Always builds a concatenation node.
+ // Rebalances if the result is too deep.
+ // Result has refcount 1.
+ // Does not increment left and right ref counts even though
+ // they are referenced.
+ static _RopeRep*
+ _S_tree_concat(_RopeRep* __left, _RopeRep* __right);
+
+ // Concatenation helper functions
+ static _RopeLeaf*
+ _S_leaf_concat_char_iter(_RopeLeaf* __r,
+ const _CharT* __iter, size_t __slen);
+ // Concatenate by copying leaf.
+ // should take an arbitrary iterator
+ // result has refcount 1.
+ static _RopeLeaf* _S_destr_leaf_concat_char_iter
+ (_RopeLeaf* __r, const _CharT* __iter, size_t __slen);
+ // A version that potentially clobbers __r if __r->_M_ref_count == 1.
+
+
+ // A helper function for exponentiating strings.
+ // This uses a nonstandard refcount convention.
+ // The result has refcount 0.
+ typedef _STLP_PRIV _Rope_Concat_fn<_CharT,_Alloc> _Concat_fn;
+#if !defined (__GNUC__) || (__GNUC__ < 3)
+ friend _Concat_fn;
+#else
+ friend struct _STLP_PRIV _Rope_Concat_fn<_CharT,_Alloc>;
+#endif
+
+public:
+ static size_t _S_char_ptr_len(const _CharT* __s) {
+ return char_traits<_CharT>::length(__s);
+ }
+
+public: /* for operators */
+ rope(_RopeRep* __t, const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, __t) { }
+private:
+ // Copy __r to the _CharT buffer.
+ // Returns __buffer + __r->_M_size._M_data.
+ // Assumes that buffer is uninitialized.
+ static _CharT* _S_flatten(_RopeRep* __r, _CharT* __buffer);
+
+ // Again, with explicit starting position and length.
+ // Assumes that buffer is uninitialized.
+ static _CharT* _S_flatten(_RopeRep* __r,
+ size_t __start, size_t __len,
+ _CharT* __buffer);
+
+ // fbp : HP aCC prohibits access to protected min_len from within static methods ( ?? )
+public:
+ static const unsigned long _S_min_len[__ROPE_DEPTH_SIZE];
+protected:
+ static bool _S_is_balanced(_RopeRep* __r)
+ { return (__r->_M_size._M_data >= _S_min_len[__r->_M_depth]); }
+
+ static bool _S_is_almost_balanced(_RopeRep* __r) {
+ return (__r->_M_depth == 0 ||
+ __r->_M_size._M_data >= _S_min_len[__r->_M_depth - 1]);
+ }
+
+ static bool _S_is_roughly_balanced(_RopeRep* __r) {
+ return (__r->_M_depth <= 1 ||
+ __r->_M_size._M_data >= _S_min_len[__r->_M_depth - 2]);
+ }
+
+ // Assumes the result is not empty.
+ static _RopeRep* _S_concat_and_set_balanced(_RopeRep* __left,
+ _RopeRep* __right) {
+ _RopeRep* __result = _S_concat_rep(__left, __right);
+ if (_S_is_balanced(__result)) __result->_M_is_balanced = true;
+ return __result;
+ }
+
+ // The basic rebalancing operation. Logically copies the
+ // rope. The result has refcount of 1. The client will
+ // usually decrement the reference count of __r.
+ // The result is within height 2 of balanced by the above
+ // definition.
+ static _RopeRep* _S_balance(_RopeRep* __r);
+
+ // Add all unbalanced subtrees to the forest of balanceed trees.
+ // Used only by balance.
+ static void _S_add_to_forest(_RopeRep*__r, _RopeRep** __forest);
+
+ // Add __r to forest, assuming __r is already balanced.
+ static void _S_add_leaf_to_forest(_RopeRep* __r, _RopeRep** __forest);
+
+#ifdef _STLP_DEBUG
+ // Print to stdout, exposing structure
+ static void _S_dump(_RopeRep* __r, int __indent = 0);
+#endif
+
+ // Return -1, 0, or 1 if __x < __y, __x == __y, or __x > __y resp.
+ static int _S_compare(const _RopeRep* __x, const _RopeRep* __y);
+
+ void _STLP_FUNCTION_THROWS _M_throw_out_of_range() const;
+
+ void _M_reset(_RopeRep* __r) {
+ //if (__r != _M_tree_ptr._M_data) {
+ _S_unref(_M_tree_ptr._M_data);
+ _M_tree_ptr._M_data = __r;
+ //}
+ }
+
+public:
+ bool empty() const { return 0 == _M_tree_ptr._M_data; }
+
+ // Comparison member function. This is public only for those
+ // clients that need a ternary comparison. Others
+ // should use the comparison operators below.
+ int compare(const _Self& __y) const {
+ return _S_compare(_M_tree_ptr._M_data, __y._M_tree_ptr._M_data);
+ }
+
+ rope(const _CharT* __s, const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, _S_RopeLeaf_from_unowned_char_ptr(__s, _S_char_ptr_len(__s),__a))
+ {}
+
+ rope(const _CharT* __s, size_t __len,
+ const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, (_S_RopeLeaf_from_unowned_char_ptr(__s, __len, __a)))
+ {}
+
+ // Should perhaps be templatized with respect to the iterator type
+ // and use Sequence_buffer. (It should perhaps use sequence_buffer
+ // even now.)
+ rope(const _CharT *__s, const _CharT *__e,
+ const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, _S_RopeLeaf_from_unowned_char_ptr(__s, __e - __s, __a))
+ {}
+
+ rope(const const_iterator& __s, const const_iterator& __e,
+ const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, _S_substring(__s._M_root, __s._M_current_pos,
+ __e._M_current_pos))
+ {}
+
+ rope(const iterator& __s, const iterator& __e,
+ const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, _S_substring(__s._M_root, __s._M_current_pos,
+ __e._M_current_pos))
+ {}
+
+ rope(_CharT __c, const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, (_RopeRep*)0) {
+ _CharT* __buf = _M_tree_ptr.allocate(_S_rounded_up_size(1));
+
+ _Copy_Construct(__buf, __c);
+ _S_construct_null(__buf + 1);
+
+ _STLP_TRY {
+ _M_tree_ptr._M_data = _S_new_RopeLeaf(__buf, 1, __a);
+ }
+ _STLP_UNWIND(_RopeRep::_S_free_string(__buf, 1, __a))
+ }
+
+ rope(size_t __n, _CharT __c,
+ const allocator_type& __a = allocator_type()):
+ _M_tree_ptr(__a, (_RopeRep*)0) {
+ if (0 == __n)
+ return;
+
+ rope<_CharT,_Alloc> __result;
+# define __exponentiate_threshold size_t(32)
+ _RopeRep* __remainder;
+ rope<_CharT,_Alloc> __remainder_rope;
+
+ // gcc-2.7.2 bugs
+ typedef _STLP_PRIV _Rope_Concat_fn<_CharT,_Alloc> _Concat_fn;
+
+ size_t __exponent = __n / __exponentiate_threshold;
+ size_t __rest = __n % __exponentiate_threshold;
+ if (0 == __rest) {
+ __remainder = 0;
+ } else {
+ _CharT* __rest_buffer = _M_tree_ptr.allocate(_S_rounded_up_size(__rest));
+ uninitialized_fill_n(__rest_buffer, __rest, __c);
+ _S_construct_null(__rest_buffer + __rest);
+ _STLP_TRY {
+ __remainder = _S_new_RopeLeaf(__rest_buffer, __rest, __a);
+ }
+ _STLP_UNWIND(_RopeRep::_S_free_string(__rest_buffer, __rest, __a))
+ }
+ __remainder_rope._M_tree_ptr._M_data = __remainder;
+ if (__exponent != 0) {
+ _CharT* __base_buffer = _M_tree_ptr.allocate(_S_rounded_up_size(__exponentiate_threshold));
+ _RopeLeaf* __base_leaf;
+ rope<_CharT,_Alloc> __base_rope;
+ uninitialized_fill_n(__base_buffer, __exponentiate_threshold, __c);
+ _S_construct_null(__base_buffer + __exponentiate_threshold);
+ _STLP_TRY {
+ __base_leaf = _S_new_RopeLeaf(__base_buffer,
+ __exponentiate_threshold, __a);
+ }
+ _STLP_UNWIND(_RopeRep::_S_free_string(__base_buffer,
+ __exponentiate_threshold, __a))
+ __base_rope._M_tree_ptr._M_data = __base_leaf;
+ if (1 == __exponent) {
+ __result = __base_rope;
+ // One each for base_rope and __result
+ //_STLP_ASSERT(2 == __result._M_tree_ptr._M_data->_M_ref_count)
+ } else {
+ __result = _STLP_PRIV __power(__base_rope, __exponent, _Concat_fn());
+ }
+ if (0 != __remainder) {
+ __result += __remainder_rope;
+ }
+ } else {
+ __result = __remainder_rope;
+ }
+ _M_tree_ptr._M_data = __result._M_tree_ptr._M_data;
+ _M_tree_ptr._M_data->_M_ref_nonnil();
+# undef __exponentiate_threshold
+ }
+
+ rope(const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, (_RopeRep*)0) {}
+
+ // Construct a rope from a function that can compute its members
+ rope(char_producer<_CharT> *__fn, size_t __len, bool __delete_fn,
+ const allocator_type& __a = allocator_type())
+ : _M_tree_ptr(__a, (_RopeRep*)0) {
+ _M_tree_ptr._M_data = (0 == __len) ?
+ 0 : _S_new_RopeFunction(__fn, __len, __delete_fn, __a);
+ }
+
+ rope(const _Self& __x)
+ : _M_tree_ptr(__x._M_tree_ptr, __x._M_tree_ptr._M_data) {
+ _S_ref(_M_tree_ptr._M_data);
+ }
+
+ rope(__move_source<_Self> __src)
+ : _M_tree_ptr(__src.get()._M_tree_ptr, __src.get()._M_tree_ptr._M_data) {
+ __src.get()._M_tree_ptr._M_data = 0;
+ }
+
+ ~rope() {
+ _S_unref(_M_tree_ptr._M_data);
+ }
+
+ _Self& operator=(const _Self& __x) {
+ _STLP_ASSERT(get_allocator() == __x.get_allocator())
+ _S_ref(__x._M_tree_ptr._M_data);
+ _M_reset(__x._M_tree_ptr._M_data);
+ return *this;
+ }
+
+ void clear() {
+ _S_unref(_M_tree_ptr._M_data);
+ _M_tree_ptr._M_data = 0;
+ }
+ void push_back(_CharT __x) {
+ _M_reset(_S_destr_concat_char_iter(_M_tree_ptr._M_data, &__x, 1));
+ }
+
+ void pop_back() {
+ _RopeRep* __old = _M_tree_ptr._M_data;
+ _M_tree_ptr._M_data =
+ _S_substring(_M_tree_ptr._M_data, 0, _M_tree_ptr._M_data->_M_size._M_data - 1);
+ _S_unref(__old);
+ }
+
+ _CharT back() const {
+ return _S_fetch(_M_tree_ptr._M_data, _M_tree_ptr._M_data->_M_size._M_data - 1);
+ }
+
+ void push_front(_CharT __x) {
+ _RopeRep* __old = _M_tree_ptr._M_data;
+ _RopeRep* __left =
+ _S_RopeLeaf_from_unowned_char_ptr(&__x, 1, _M_tree_ptr);
+ _STLP_TRY {
+ _M_tree_ptr._M_data = _S_concat_rep(__left, _M_tree_ptr._M_data);
+ _S_unref(__old);
+ _S_unref(__left);
+ }
+ _STLP_UNWIND(_S_unref(__left))
+ }
+
+ void pop_front() {
+ _RopeRep* __old = _M_tree_ptr._M_data;
+ _M_tree_ptr._M_data = _S_substring(_M_tree_ptr._M_data, 1, _M_tree_ptr._M_data->_M_size._M_data);
+ _S_unref(__old);
+ }
+
+ _CharT front() const {
+ return _S_fetch(_M_tree_ptr._M_data, 0);
+ }
+
+ void balance() {
+ _RopeRep* __old = _M_tree_ptr._M_data;
+ _M_tree_ptr._M_data = _S_balance(_M_tree_ptr._M_data);
+ _S_unref(__old);
+ }
+
+ void copy(_CharT* __buffer) const {
+ _STLP_STD::_Destroy_Range(__buffer, __buffer + size());
+ _S_flatten(_M_tree_ptr._M_data, __buffer);
+ }
+
+ /*
+ * This is the copy function from the standard, but
+ * with the arguments reordered to make it consistent with the
+ * rest of the interface.
+ * Note that this guaranteed not to compile if the draft standard
+ * order is assumed.
+ */
+ size_type copy(size_type __pos, size_type __n, _CharT* __buffer) const {
+ size_t _p_size = size();
+ size_t __len = (__pos + __n > _p_size? _p_size - __pos : __n);
+
+ _STLP_STD::_Destroy_Range(__buffer, __buffer + __len);
+ _S_flatten(_M_tree_ptr._M_data, __pos, __len, __buffer);
+ return __len;
+ }
+
+# ifdef _STLP_DEBUG
+ // Print to stdout, exposing structure. May be useful for
+ // performance debugging.
+ void dump() {
+ _S_dump(_M_tree_ptr._M_data);
+ }
+# endif
+
+ // Convert to 0 terminated string in new allocated memory.
+ // Embedded 0s in the input do not terminate the copy.
+ const _CharT* c_str() const;
+
+ // As above, but also use the flattened representation as the
+ // the new rope representation.
+ const _CharT* replace_with_c_str();
+
+ // Reclaim memory for the c_str generated flattened string.
+ // Intentionally undocumented, since it's hard to say when this
+ // is safe for multiple threads.
+ void delete_c_str () {
+ if (0 == _M_tree_ptr._M_data) return;
+ if (_RopeRep::_S_leaf == _M_tree_ptr._M_data->_M_tag &&
+ ((_RopeLeaf*)_M_tree_ptr._M_data)->_M_data ==
+ _M_tree_ptr._M_data->_M_c_string) {
+ // Representation shared
+ return;
+ }
+ _M_tree_ptr._M_data->_M_free_c_string();
+ _M_tree_ptr._M_data->_M_c_string = 0;
+ }
+
+ _CharT operator[] (size_type __pos) const {
+ return _S_fetch(_M_tree_ptr._M_data, __pos);
+ }
+
+ _CharT at(size_type __pos) const {
+ if (__pos >= size()) _M_throw_out_of_range();
+ return (*this)[__pos];
+ }
+
+ const_iterator begin() const {
+ return(const_iterator(_M_tree_ptr._M_data, 0));
+ }
+
+ // An easy way to get a const iterator from a non-const container.
+ const_iterator const_begin() const {
+ return(const_iterator(_M_tree_ptr._M_data, 0));
+ }
+
+ const_iterator end() const {
+ return(const_iterator(_M_tree_ptr._M_data, size()));
+ }
+
+ const_iterator const_end() const {
+ return(const_iterator(_M_tree_ptr._M_data, size()));
+ }
+
+ size_type size() const {
+ return(0 == _M_tree_ptr._M_data? 0 : _M_tree_ptr._M_data->_M_size._M_data);
+ }
+
+ size_type length() const {
+ return size();
+ }
+
+ size_type max_size() const {
+ return _S_min_len[__ROPE_MAX_DEPTH-1] - 1;
+ // Guarantees that the result can be sufficiently
+ // balanced. Longer ropes will probably still work,
+ // but it's harder to make guarantees.
+ }
+
+ const_reverse_iterator rbegin() const {
+ return const_reverse_iterator(end());
+ }
+
+ const_reverse_iterator const_rbegin() const {
+ return const_reverse_iterator(end());
+ }
+
+ const_reverse_iterator rend() const {
+ return const_reverse_iterator(begin());
+ }
+
+ const_reverse_iterator const_rend() const {
+ return const_reverse_iterator(begin());
+ }
+ // The symmetric cases are intentionally omitted, since they're presumed
+ // to be less common, and we don't handle them as well.
+
+ // The following should really be templatized.
+ // The first argument should be an input iterator or
+ // forward iterator with value_type _CharT.
+ _Self& append(const _CharT* __iter, size_t __n) {
+ _M_reset(_S_destr_concat_char_iter(_M_tree_ptr._M_data, __iter, __n));
+ return *this;
+ }
+
+ _Self& append(const _CharT* __c_string) {
+ size_t __len = _S_char_ptr_len(__c_string);
+ append(__c_string, __len);
+ return *this;
+ }
+
+ _Self& append(const _CharT* __s, const _CharT* __e) {
+ _M_reset(_S_destr_concat_char_iter(_M_tree_ptr._M_data, __s, __e - __s));
+ return *this;
+ }
+
+ _Self& append(const_iterator __s, const_iterator __e) {
+ _STLP_ASSERT(__s._M_root == __e._M_root)
+ _STLP_ASSERT(get_allocator() == __s._M_root->get_allocator())
+ _Self_destruct_ptr __appendee(_S_substring(__s._M_root, __s._M_current_pos, __e._M_current_pos));
+ _M_reset(_S_concat_rep(_M_tree_ptr._M_data, (_RopeRep*)__appendee));
+ return *this;
+ }
+
+ _Self& append(_CharT __c) {
+ _M_reset(_S_destr_concat_char_iter(_M_tree_ptr._M_data, &__c, 1));
+ return *this;
+ }
+
+ _Self& append() { return append(_CharT()); } // XXX why?
+
+ _Self& append(const _Self& __y) {
+ _STLP_ASSERT(__y.get_allocator() == get_allocator())
+ _M_reset(_S_concat_rep(_M_tree_ptr._M_data, __y._M_tree_ptr._M_data));
+ return *this;
+ }
+
+ _Self& append(size_t __n, _CharT __c) {
+ rope<_CharT,_Alloc> __last(__n, __c);
+ return append(__last);
+ }
+
+ void swap(_Self& __b) {
+ _M_tree_ptr.swap(__b._M_tree_ptr);
+ }
+
+protected:
+ // Result is included in refcount.
+ static _RopeRep* replace(_RopeRep* __old, size_t __pos1,
+ size_t __pos2, _RopeRep* __r) {
+ if (0 == __old) { _S_ref(__r); return __r; }
+ _Self_destruct_ptr __left(_S_substring(__old, 0, __pos1));
+ _Self_destruct_ptr __right(_S_substring(__old, __pos2, __old->_M_size._M_data));
+ _STLP_MPWFIX_TRY //*TY 06/01/2000 -
+ _RopeRep* __result;
+
+ if (0 == __r) {
+ __result = _S_concat_rep(__left, __right);
+ } else {
+ _STLP_ASSERT(__old->get_allocator() == __r->get_allocator())
+ _Self_destruct_ptr __left_result(_S_concat_rep(__left, __r));
+ __result = _S_concat_rep(__left_result, __right);
+ }
+ return __result;
+ _STLP_MPWFIX_CATCH //*TY 06/01/2000 -
+ }
+
+public:
+ void insert(size_t __p, const _Self& __r) {
+ if (__p > size()) _M_throw_out_of_range();
+ _STLP_ASSERT(get_allocator() == __r.get_allocator())
+ _M_reset(replace(_M_tree_ptr._M_data, __p, __p, __r._M_tree_ptr._M_data));
+ }
+
+ void insert(size_t __p, size_t __n, _CharT __c) {
+ rope<_CharT,_Alloc> __r(__n,__c);
+ insert(__p, __r);
+ }
+
+ void insert(size_t __p, const _CharT* __i, size_t __n) {
+ if (__p > size()) _M_throw_out_of_range();
+ _Self_destruct_ptr __left(_S_substring(_M_tree_ptr._M_data, 0, __p));
+ _Self_destruct_ptr __right(_S_substring(_M_tree_ptr._M_data, __p, size()));
+ _Self_destruct_ptr __left_result(
+ _S_concat_char_iter(__left, __i, __n));
+ // _S_ destr_concat_char_iter should be safe here.
+ // But as it stands it's probably not a win, since __left
+ // is likely to have additional references.
+ _M_reset(_S_concat_rep(__left_result, __right));
+ }
+
+ void insert(size_t __p, const _CharT* __c_string) {
+ insert(__p, __c_string, _S_char_ptr_len(__c_string));
+ }
+
+ void insert(size_t __p, _CharT __c) {
+ insert(__p, &__c, 1);
+ }
+
+ void insert(size_t __p) {
+ _CharT __c = _CharT();
+ insert(__p, &__c, 1);
+ }
+
+ void insert(size_t __p, const _CharT* __i, const _CharT* __j) {
+ _Self __r(__i, __j);
+ insert(__p, __r);
+ }
+
+ void insert(size_t __p, const const_iterator& __i,
+ const const_iterator& __j) {
+ _Self __r(__i, __j);
+ insert(__p, __r);
+ }
+
+ void insert(size_t __p, const iterator& __i,
+ const iterator& __j) {
+ _Self __r(__i, __j);
+ insert(__p, __r);
+ }
+
+ // (position, length) versions of replace operations:
+ void replace(size_t __p, size_t __n, const _Self& __r) {
+ if (__p > size()) _M_throw_out_of_range();
+ _M_reset(replace(_M_tree_ptr._M_data, __p, __p + __n, __r._M_tree_ptr._M_data));
+ }
+
+ void replace(size_t __p, size_t __n,
+ const _CharT* __i, size_t __i_len) {
+ _Self __r(__i, __i_len);
+ replace(__p, __n, __r);
+ }
+
+ void replace(size_t __p, size_t __n, _CharT __c) {
+ _Self __r(__c);
+ replace(__p, __n, __r);
+ }
+
+ void replace(size_t __p, size_t __n, const _CharT* __c_string) {
+ _Self __r(__c_string);
+ replace(__p, __n, __r);
+ }
+
+ void replace(size_t __p, size_t __n,
+ const _CharT* __i, const _CharT* __j) {
+ _Self __r(__i, __j);
+ replace(__p, __n, __r);
+ }
+
+ void replace(size_t __p, size_t __n,
+ const const_iterator& __i, const const_iterator& __j) {
+ _Self __r(__i, __j);
+ replace(__p, __n, __r);
+ }
+
+ void replace(size_t __p, size_t __n,
+ const iterator& __i, const iterator& __j) {
+ _Self __r(__i, __j);
+ replace(__p, __n, __r);
+ }
+
+ // Single character variants:
+ void replace(size_t __p, _CharT __c) {
+ if (__p > size()) _M_throw_out_of_range();
+ iterator __i(this, __p);
+ *__i = __c;
+ }
+
+ void replace(size_t __p, const _Self& __r) {
+ replace(__p, 1, __r);
+ }
+
+ void replace(size_t __p, const _CharT* __i, size_t __i_len) {
+ replace(__p, 1, __i, __i_len);
+ }
+
+ void replace(size_t __p, const _CharT* __c_string) {
+ replace(__p, 1, __c_string);
+ }
+
+ void replace(size_t __p, const _CharT* __i, const _CharT* __j) {
+ replace(__p, 1, __i, __j);
+ }
+
+ void replace(size_t __p, const const_iterator& __i,
+ const const_iterator& __j) {
+ replace(__p, 1, __i, __j);
+ }
+
+ void replace(size_t __p, const iterator& __i,
+ const iterator& __j) {
+ replace(__p, 1, __i, __j);
+ }
+
+ // Erase, (position, size) variant.
+ void erase(size_t __p, size_t __n) {
+ if (__p > size()) _M_throw_out_of_range();
+ _M_reset(replace(_M_tree_ptr._M_data, __p, __p + __n, 0));
+ }
+
+ // Erase, single character
+ void erase(size_t __p) {
+ erase(__p, __p + 1);
+ }
+
+ // Insert, iterator variants.
+ iterator insert(const iterator& __p, const _Self& __r)
+ { insert(__p.index(), __r); return __p; }
+ iterator insert(const iterator& __p, size_t __n, _CharT __c)
+ { insert(__p.index(), __n, __c); return __p; }
+ iterator insert(const iterator& __p, _CharT __c)
+ { insert(__p.index(), __c); return __p; }
+ iterator insert(const iterator& __p )
+ { insert(__p.index()); return __p; }
+ iterator insert(const iterator& __p, const _CharT* c_string)
+ { insert(__p.index(), c_string); return __p; }
+ iterator insert(const iterator& __p, const _CharT* __i, size_t __n)
+ { insert(__p.index(), __i, __n); return __p; }
+ iterator insert(const iterator& __p, const _CharT* __i,
+ const _CharT* __j)
+ { insert(__p.index(), __i, __j); return __p; }
+ iterator insert(const iterator& __p,
+ const const_iterator& __i, const const_iterator& __j)
+ { insert(__p.index(), __i, __j); return __p; }
+ iterator insert(const iterator& __p,
+ const iterator& __i, const iterator& __j)
+ { insert(__p.index(), __i, __j); return __p; }
+
+ // Replace, range variants.
+ void replace(const iterator& __p, const iterator& __q,
+ const _Self& __r)
+ { replace(__p.index(), __q.index() - __p.index(), __r); }
+ void replace(const iterator& __p, const iterator& __q, _CharT __c)
+ { replace(__p.index(), __q.index() - __p.index(), __c); }
+ void replace(const iterator& __p, const iterator& __q,
+ const _CharT* __c_string)
+ { replace(__p.index(), __q.index() - __p.index(), __c_string); }
+ void replace(const iterator& __p, const iterator& __q,
+ const _CharT* __i, size_t __n)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __n); }
+ void replace(const iterator& __p, const iterator& __q,
+ const _CharT* __i, const _CharT* __j)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
+ void replace(const iterator& __p, const iterator& __q,
+ const const_iterator& __i, const const_iterator& __j)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
+ void replace(const iterator& __p, const iterator& __q,
+ const iterator& __i, const iterator& __j)
+ { replace(__p.index(), __q.index() - __p.index(), __i, __j); }
+
+ // Replace, iterator variants.
+ void replace(const iterator& __p, const _Self& __r)
+ { replace(__p.index(), __r); }
+ void replace(const iterator& __p, _CharT __c)
+ { replace(__p.index(), __c); }
+ void replace(const iterator& __p, const _CharT* __c_string)
+ { replace(__p.index(), __c_string); }
+ void replace(const iterator& __p, const _CharT* __i, size_t __n)
+ { replace(__p.index(), __i, __n); }
+ void replace(const iterator& __p, const _CharT* __i, const _CharT* __j)
+ { replace(__p.index(), __i, __j); }
+ void replace(const iterator& __p, const_iterator __i,
+ const_iterator __j)
+ { replace(__p.index(), __i, __j); }
+ void replace(const iterator& __p, iterator __i, iterator __j)
+ { replace(__p.index(), __i, __j); }
+
+ // Iterator and range variants of erase
+ iterator erase(const iterator& __p, const iterator& __q) {
+ size_t __p_index = __p.index();
+ erase(__p_index, __q.index() - __p_index);
+ return iterator(this, __p_index);
+ }
+ iterator erase(const iterator& __p) {
+ size_t __p_index = __p.index();
+ erase(__p_index, 1);
+ return iterator(this, __p_index);
+ }
+
+ _Self substr(size_t __start, size_t __len = 1) const {
+ if (__start > size()) _M_throw_out_of_range();
+ return rope<_CharT,_Alloc>(_S_substring(_M_tree_ptr._M_data, __start, __start + __len));
+ }
+
+ _Self substr(iterator __start, iterator __end) const {
+ return rope<_CharT,_Alloc>(_S_substring(_M_tree_ptr._M_data, __start.index(), __end.index()));
+ }
+
+ _Self substr(iterator __start) const {
+ size_t __pos = __start.index();
+ return rope<_CharT,_Alloc>(_S_substring(_M_tree_ptr._M_data, __pos, __pos + 1));
+ }
+
+ _Self substr(const_iterator __start, const_iterator __end) const {
+ // This might eventually take advantage of the cache in the
+ // iterator.
+ return rope<_CharT,_Alloc>(_S_substring(_M_tree_ptr._M_data, __start.index(), __end.index()));
+ }
+
+ rope<_CharT,_Alloc> substr(const_iterator __start) {
+ size_t __pos = __start.index();
+ return rope<_CharT,_Alloc>(_S_substring(_M_tree_ptr._M_data, __pos, __pos + 1));
+ }
+
+#include <stl/_string_npos.h>
+
+ size_type find(const _Self& __s, size_type __pos = 0) const {
+ if (__pos >= size())
+# ifndef _STLP_OLD_ROPE_SEMANTICS
+ return npos;
+# else
+ return size();
+# endif
+
+ size_type __result_pos;
+ const_iterator __result = search(const_begin() + (ptrdiff_t)__pos, const_end(), __s.begin(), __s.end() );
+ __result_pos = __result.index();
+# ifndef _STLP_OLD_ROPE_SEMANTICS
+ if (__result_pos == size()) __result_pos = npos;
+# endif
+ return __result_pos;
+ }
+ size_type find(_CharT __c, size_type __pos = 0) const;
+ size_type find(const _CharT* __s, size_type __pos = 0) const {
+ size_type __result_pos;
+ const_iterator __result = search(const_begin() + (ptrdiff_t)__pos, const_end(),
+ __s, __s + _S_char_ptr_len(__s));
+ __result_pos = __result.index();
+# ifndef _STLP_OLD_ROPE_SEMANTICS
+ if (__result_pos == size()) __result_pos = npos;
+# endif
+ return __result_pos;
+ }
+
+ iterator mutable_begin() {
+ return(iterator(this, 0));
+ }
+
+ iterator mutable_end() {
+ return(iterator(this, size()));
+ }
+
+ reverse_iterator mutable_rbegin() {
+ return reverse_iterator(mutable_end());
+ }
+
+ reverse_iterator mutable_rend() {
+ return reverse_iterator(mutable_begin());
+ }
+
+ reference mutable_reference_at(size_type __pos) {
+ return reference(this, __pos);
+ }
+
+# ifdef __STD_STUFF
+ reference operator[] (size_type __pos) {
+ return reference(this, __pos);
+ }
+
+ reference at(size_type __pos) {
+ if (__pos >= size()) _M_throw_out_of_range();
+ return (*this)[__pos];
+ }
+
+ void resize(size_type, _CharT) {}
+ void resize(size_type) {}
+ void reserve(size_type = 0) {}
+ size_type capacity() const {
+ return max_size();
+ }
+
+ // Stuff below this line is dangerous because it's error prone.
+ // I would really like to get rid of it.
+ // copy function with funny arg ordering.
+ size_type copy(_CharT* __buffer, size_type __n,
+ size_type __pos = 0) const {
+ return copy(__pos, __n, __buffer);
+ }
+
+ iterator end() { return mutable_end(); }
+
+ iterator begin() { return mutable_begin(); }
+
+ reverse_iterator rend() { return mutable_rend(); }
+
+ reverse_iterator rbegin() { return mutable_rbegin(); }
+
+# else
+
+ const_iterator end() { return const_end(); }
+
+ const_iterator begin() { return const_begin(); }
+
+ const_reverse_iterator rend() { return const_rend(); }
+
+ const_reverse_iterator rbegin() { return const_rbegin(); }
+
+# endif
+}; //class rope
+
+#if !defined (_STLP_STATIC_CONST_INIT_BUG)
+# if defined (__GNUC__) && (__GNUC__ == 2) && (__GNUC_MINOR__ == 96)
+template <class _CharT, class _Alloc>
+const size_t rope<_CharT, _Alloc>::npos = ~(size_t) 0;
+# endif
+#endif
+
+template <class _CharT, class _Alloc>
+inline _CharT
+_Rope_const_iterator< _CharT, _Alloc>::operator[](size_t __n)
+{ return rope<_CharT,_Alloc>::_S_fetch(this->_M_root, this->_M_current_pos + __n); }
+
+template <class _CharT, class _Alloc>
+inline bool operator== (const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y) {
+ return (__x._M_current_pos == __y._M_current_pos &&
+ __x._M_root == __y._M_root);
+}
+
+template <class _CharT, class _Alloc>
+inline bool operator< (const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y)
+{ return (__x._M_current_pos < __y._M_current_pos); }
+
+#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
+
+template <class _CharT, class _Alloc>
+inline bool operator!= (const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y)
+{ return !(__x == __y); }
+
+template <class _CharT, class _Alloc>
+inline bool operator> (const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y)
+{ return __y < __x; }
+
+template <class _CharT, class _Alloc>
+inline bool operator<= (const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y)
+{ return !(__y < __x); }
+
+template <class _CharT, class _Alloc>
+inline bool operator>= (const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y)
+{ return !(__x < __y); }
+
+#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
+
+template <class _CharT, class _Alloc>
+inline ptrdiff_t operator-(const _Rope_const_iterator<_CharT,_Alloc>& __x,
+ const _Rope_const_iterator<_CharT,_Alloc>& __y)
+{ return (ptrdiff_t)__x._M_current_pos - (ptrdiff_t)__y._M_current_pos; }
+
+#if !defined( __MWERKS__ ) || __MWERKS__ >= 0x2000 // dwa 8/21/97 - "ambiguous access to overloaded function" bug.
+template <class _CharT, class _Alloc>
+inline _Rope_const_iterator<_CharT,_Alloc>
+operator-(const _Rope_const_iterator<_CharT,_Alloc>& __x, ptrdiff_t __n)
+{ return _Rope_const_iterator<_CharT,_Alloc>(__x._M_root, __x._M_current_pos - __n); }
+# endif
+
+template <class _CharT, class _Alloc>
+inline _Rope_const_iterator<_CharT,_Alloc>
+operator+(const _Rope_const_iterator<_CharT,_Alloc>& __x, ptrdiff_t __n)
+{ return _Rope_const_iterator<_CharT,_Alloc>(__x._M_root, __x._M_current_pos + __n); }
+
+template <class _CharT, class _Alloc>
+inline _Rope_const_iterator<_CharT,_Alloc>
+operator+(ptrdiff_t __n, const _Rope_const_iterator<_CharT,_Alloc>& __x)
+{ return _Rope_const_iterator<_CharT,_Alloc>(__x._M_root, __x._M_current_pos + __n); }
+
+template <class _CharT, class _Alloc>
+inline bool operator== (const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y) {
+ return (__x._M_current_pos == __y._M_current_pos &&
+ __x._M_root_rope == __y._M_root_rope);
+}
+
+template <class _CharT, class _Alloc>
+inline bool operator< (const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y)
+{ return (__x._M_current_pos < __y._M_current_pos); }
+
+#if defined (_STLP_USE_SEPARATE_RELOPS_NAMESPACE)
+template <class _CharT, class _Alloc>
+inline bool operator!= (const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y)
+{ return !(__x == __y); }
+
+template <class _CharT, class _Alloc>
+inline bool operator> (const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y)
+{ return __y < __x; }
+
+template <class _CharT, class _Alloc>
+inline bool operator<= (const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y)
+{ return !(__y < __x); }
+
+template <class _CharT, class _Alloc>
+inline bool operator>= (const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y)
+{ return !(__x < __y); }
+#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
+
+template <class _CharT, class _Alloc>
+inline ptrdiff_t operator-(const _Rope_iterator<_CharT,_Alloc>& __x,
+ const _Rope_iterator<_CharT,_Alloc>& __y)
+{ return (ptrdiff_t)__x._M_current_pos - (ptrdiff_t)__y._M_current_pos; }
+
+#if !defined( __MWERKS__ ) || __MWERKS__ >= 0x2000 // dwa 8/21/97 - "ambiguous access to overloaded function" bug.
+template <class _CharT, class _Alloc>
+inline _Rope_iterator<_CharT,_Alloc>
+operator-(const _Rope_iterator<_CharT,_Alloc>& __x,
+ ptrdiff_t __n) {
+ return _Rope_iterator<_CharT,_Alloc>(__x._M_root_rope, __x._M_current_pos - __n);
+}
+# endif
+
+template <class _CharT, class _Alloc>
+inline _Rope_iterator<_CharT,_Alloc>
+operator+(const _Rope_iterator<_CharT,_Alloc>& __x,
+ ptrdiff_t __n) {
+ return _Rope_iterator<_CharT,_Alloc>(__x._M_root_rope, __x._M_current_pos + __n);
+}
+
+template <class _CharT, class _Alloc>
+inline _Rope_iterator<_CharT,_Alloc>
+operator+(ptrdiff_t __n, const _Rope_iterator<_CharT,_Alloc>& __x) {
+ return _Rope_iterator<_CharT,_Alloc>(__x._M_root_rope, __x._M_current_pos + __n);
+}
+
+template <class _CharT, class _Alloc>
+inline rope<_CharT,_Alloc>
+operator+ (const rope<_CharT,_Alloc>& __left,
+ const rope<_CharT,_Alloc>& __right) {
+ _STLP_ASSERT(__left.get_allocator() == __right.get_allocator())
+ return rope<_CharT,_Alloc>(rope<_CharT,_Alloc>::_S_concat_rep(__left._M_tree_ptr._M_data, __right._M_tree_ptr._M_data));
+ // Inlining this should make it possible to keep __left and __right in registers.
+}
+
+template <class _CharT, class _Alloc>
+inline rope<_CharT,_Alloc>&
+operator+= (rope<_CharT,_Alloc>& __left,
+ const rope<_CharT,_Alloc>& __right) {
+ __left.append(__right);
+ return __left;
+}
+
+template <class _CharT, class _Alloc>
+inline rope<_CharT,_Alloc>
+operator+ (const rope<_CharT,_Alloc>& __left,
+ const _CharT* __right) {
+ size_t __rlen = rope<_CharT,_Alloc>::_S_char_ptr_len(__right);
+ return rope<_CharT,_Alloc>(rope<_CharT,_Alloc>::_S_concat_char_iter(__left._M_tree_ptr._M_data, __right, __rlen));
+}
+
+template <class _CharT, class _Alloc>
+inline rope<_CharT,_Alloc>&
+operator+= (rope<_CharT,_Alloc>& __left,
+ const _CharT* __right) {
+ __left.append(__right);
+ return __left;
+}
+
+template <class _CharT, class _Alloc>
+inline rope<_CharT,_Alloc>
+operator+ (const rope<_CharT,_Alloc>& __left, _CharT __right) {
+ return rope<_CharT,_Alloc>(rope<_CharT,_Alloc>::_S_concat_char_iter(__left._M_tree_ptr._M_data, &__right, 1));
+}
+
+template <class _CharT, class _Alloc>
+inline rope<_CharT,_Alloc>&
+operator+= (rope<_CharT,_Alloc>& __left, _CharT __right) {
+ __left.append(__right);
+ return __left;
+}
+
+template <class _CharT, class _Alloc>
+inline bool
+operator< (const rope<_CharT,_Alloc>& __left,
+ const rope<_CharT,_Alloc>& __right) {
+ return __left.compare(__right) < 0;
+}
+
+template <class _CharT, class _Alloc>
+inline bool
+operator== (const rope<_CharT,_Alloc>& __left,
+ const rope<_CharT,_Alloc>& __right) {
+ return __left.compare(__right) == 0;
+}
+
+#ifdef _STLP_USE_SEPARATE_RELOPS_NAMESPACE
+
+template <class _CharT, class _Alloc>
+inline bool
+operator!= (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
+ return !(__x == __y);
+}
+
+template <class _CharT, class _Alloc>
+inline bool
+operator> (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
+ return __y < __x;
+}
+
+template <class _CharT, class _Alloc>
+inline bool
+operator<= (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
+ return !(__y < __x);
+}
+
+template <class _CharT, class _Alloc>
+inline bool
+operator>= (const rope<_CharT,_Alloc>& __x, const rope<_CharT,_Alloc>& __y) {
+ return !(__x < __y);
+}
+
+template <class _CharT, class _Alloc>
+inline bool operator!= (const _Rope_char_ptr_proxy<_CharT,_Alloc>& __x,
+ const _Rope_char_ptr_proxy<_CharT,_Alloc>& __y) {
+ return !(__x == __y);
+}
+
+#endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
+
+template <class _CharT, class _Alloc>
+inline bool operator== (const _Rope_char_ptr_proxy<_CharT,_Alloc>& __x,
+ const _Rope_char_ptr_proxy<_CharT,_Alloc>& __y) {
+ return (__x._M_pos == __y._M_pos && __x._M_root == __y._M_root);
+}
+
+#if !defined (_STLP_USE_NO_IOSTREAMS)
+template<class _CharT, class _Traits, class _Alloc>
+basic_ostream<_CharT, _Traits>& operator<< (basic_ostream<_CharT, _Traits>& __o,
+ const rope<_CharT, _Alloc>& __r);
+#endif
+
+typedef rope<char, _STLP_DEFAULT_ALLOCATOR(char) > crope;
+#if defined (_STLP_HAS_WCHAR_T)
+typedef rope<wchar_t, _STLP_DEFAULT_ALLOCATOR(wchar_t) > wrope;
+#endif
+
+inline crope::reference __mutable_reference_at(crope& __c, size_t __i)
+{ return __c.mutable_reference_at(__i); }
+
+#if defined (_STLP_HAS_WCHAR_T)
+inline wrope::reference __mutable_reference_at(wrope& __c, size_t __i)
+{ return __c.mutable_reference_at(__i); }
+#endif
+
+#if defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
+template <class _CharT, class _Alloc>
+inline void swap(rope<_CharT,_Alloc>& __x, rope<_CharT,_Alloc>& __y)
+{ __x.swap(__y); }
+#else
+
+inline void swap(crope& __x, crope& __y) { __x.swap(__y); }
+# ifdef _STLP_HAS_WCHAR_T // dwa 8/21/97
+inline void swap(wrope& __x, wrope& __y) { __x.swap(__y); }
+# endif
+
+#endif /* _STLP_FUNCTION_TMPL_PARTIAL_ORDER */
+
+
+// Hash functions should probably be revisited later:
+_STLP_TEMPLATE_NULL struct hash<crope> {
+ size_t operator()(const crope& __str) const {
+ size_t _p_size = __str.size();
+
+ if (0 == _p_size) return 0;
+ return 13*__str[0] + 5*__str[_p_size - 1] + _p_size;
+ }
+};
+
+#if defined (_STLP_HAS_WCHAR_T) // dwa 8/21/97
+_STLP_TEMPLATE_NULL struct hash<wrope> {
+ size_t operator()(const wrope& __str) const {
+ size_t _p_size = __str.size();
+
+ if (0 == _p_size) return 0;
+ return 13*__str[0] + 5*__str[_p_size - 1] + _p_size;
+ }
+};
+#endif
+
+#if (!defined (_STLP_MSVC) || (_STLP_MSVC >= 1310))
+// I couldn't get this to work with VC++
+template<class _CharT,class _Alloc>
+# if defined (__DMC__) && !defined (__PUT_STATIC_DATA_MEMBERS_HERE)
+extern
+# endif
+void _Rope_rotate(_Rope_iterator<_CharT, _Alloc> __first,
+ _Rope_iterator<_CharT, _Alloc> __middle,
+ _Rope_iterator<_CharT, _Alloc> __last);
+
+inline void rotate(_Rope_iterator<char, _STLP_DEFAULT_ALLOCATOR(char) > __first,
+ _Rope_iterator<char, _STLP_DEFAULT_ALLOCATOR(char) > __middle,
+ _Rope_iterator<char, _STLP_DEFAULT_ALLOCATOR(char) > __last)
+{ _Rope_rotate(__first, __middle, __last); }
+#endif
+
+template <class _CharT, class _Alloc>
+inline _Rope_char_ref_proxy<_CharT, _Alloc>::operator _CharT () const {
+ if (_M_current_valid) {
+ return _M_current;
+ } else {
+ return _My_rope::_S_fetch(_M_root->_M_tree_ptr._M_data, _M_pos);
+ }
+}
+
+#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
+template <class _CharT, class _Alloc>
+struct __move_traits<rope<_CharT, _Alloc> > {
+ typedef __stlp_movable implemented;
+ //Completness depends on the allocator:
+ typedef typename __move_traits<_Alloc>::complete complete;
+};
+#endif
+
+_STLP_END_NAMESPACE
+
+#if !defined (_STLP_LINK_TIME_INSTANTIATION)
+# include <stl/_rope.c>
+#endif
+
+#endif /* _STLP_INTERNAL_ROPE_H */
+
+// Local Variables:
+// mode:C++
+// End:
projects / polintos / scott / priv.git / commitdiff