+ friend class const_iterator;
+ };
+
+ class const_iterator
+ {
+ // NB: reference_type is intentionally value, not reference, the character
+ // may be encoded differently in wxString data:
+ WX_STR_ITERATOR_IMPL(const_iterator, const wxChar*, wxUniChar,
+ wxUniChar(*m_cur));
+
+ public:
+ const_iterator(const iterator& i) : m_cur(i.m_cur) {}
+ };
+
+ #undef WX_STR_ITERATOR_TAG
+ #undef WX_STR_ITERATOR_IMPL
+
+ friend class iterator;
+ friend class const_iterator;
+
+ template <typename T>
+ class reverse_iterator_impl
+ {
+ public:
+ typedef T iterator_type;
+
+ typedef typename T::iterator_category iterator_category;
+ typedef typename T::value_type value_type;
+ typedef typename T::difference_type difference_type;
+ typedef typename T::reference reference;
+ typedef typename T::pointer *pointer;
+
+ reverse_iterator_impl(iterator_type i) : m_cur(i) {}
+ reverse_iterator_impl(const reverse_iterator_impl& ri)
+ : m_cur(ri.m_cur) {}
+
+ iterator_type base() const { return m_cur; }
+
+ reference operator*() const { return *(m_cur-1); }
+ reference operator[](size_t n) const { return *(*this + n); }
+
+ reverse_iterator_impl& operator++()
+ { --m_cur; return *this; }
+ reverse_iterator_impl operator++(int)
+ { reverse_iterator_impl tmp = *this; --m_cur; return tmp; }
+ reverse_iterator_impl& operator--()
+ { ++m_cur; return *this; }
+ reverse_iterator_impl operator--(int)
+ { reverse_iterator_impl tmp = *this; ++m_cur; return tmp; }
+
+ // NB: explicit <T> in the functions below is to keep BCC 5.5 happy
+ reverse_iterator_impl operator+(int n) const
+ { return reverse_iterator_impl<T>(m_cur - n); }
+ reverse_iterator_impl operator+(size_t n) const
+ { return reverse_iterator_impl<T>(m_cur - n); }
+ reverse_iterator_impl operator-(int n) const
+ { return reverse_iterator_impl<T>(m_cur + n); }
+ reverse_iterator_impl operator-(size_t n) const
+ { return reverse_iterator_impl<T>(m_cur + n); }
+ reverse_iterator_impl operator+=(int n)
+ { m_cur -= n; return *this; }
+ reverse_iterator_impl operator+=(size_t n)
+ { m_cur -= n; return *this; }
+ reverse_iterator_impl operator-=(int n)
+ { m_cur += n; return *this; }
+ reverse_iterator_impl operator-=(size_t n)
+ { m_cur += n; return *this; }
+
+ unsigned operator-(const reverse_iterator_impl& i) const
+ { return i.m_cur - m_cur; }
+
+ bool operator==(const reverse_iterator_impl& ri) const
+ { return m_cur == ri.m_cur; }
+ bool operator!=(const reverse_iterator_impl& ri) const
+ { return !(*this == ri); }
+
+ bool operator<(const reverse_iterator_impl& i) const
+ { return m_cur > i.m_cur; }
+ bool operator>(const reverse_iterator_impl& i) const
+ { return m_cur < i.m_cur; }
+ bool operator<=(const reverse_iterator_impl& i) const
+ { return m_cur >= i.m_cur; }
+ bool operator>=(const reverse_iterator_impl& i) const
+ { return m_cur <= i.m_cur; }
+
+ private:
+ iterator_type m_cur;
+ };
+
+ typedef reverse_iterator_impl<iterator> reverse_iterator;
+ typedef reverse_iterator_impl<const_iterator> const_reverse_iterator;
+
+ // first valid index position
+ const_iterator begin() const { return const_iterator(m_impl.begin()); }
+ iterator begin() { return iterator(m_impl.begin()); }
+ // position one after the last valid one
+ const_iterator end() const { return const_iterator(m_impl.end()); }
+ iterator end() { return iterator(m_impl.end()); }
+
+ // first element of the reversed string
+ const_reverse_iterator rbegin() const
+ { return const_reverse_iterator(end()); }
+ reverse_iterator rbegin()
+ { return reverse_iterator(end()); }
+ // one beyond the end of the reversed string
+ const_reverse_iterator rend() const
+ { return const_reverse_iterator(begin()); }
+ reverse_iterator rend()
+ { return reverse_iterator(begin()); }
+
+ // std::string methods:
+#if wxUSE_UNICODE_UTF8
+ size_t length() const { return end() - begin(); } // FIXME-UTF8: optimize!
+#else
+ size_t length() const { return m_impl.length(); }
+#endif
+
+ size_type size() const { return length(); }
+ size_type max_size() const { return npos; }
+
+ bool empty() const { return m_impl.empty(); }
+
+ size_type capacity() const { return m_impl.capacity(); } // FIXME-UTF8
+ void reserve(size_t sz) { m_impl.reserve(sz); } // FIXME-UTF8
+
+ void resize(size_t nSize, wxUniChar ch = wxT('\0'))
+ {
+#if wxUSE_UNICODE_UTF8
+ if ( !ch.IsAscii() )
+ {
+ size_t len = length();
+ if ( nSize == len)
+ return;
+ else if ( nSize < len )
+ erase(nSize);
+ else
+ append(nSize - len, ch);
+ }
+ else
+#endif
+ m_impl.resize(nSize, (wxStringCharType)ch);
+ }
+
+ wxString substr(size_t nStart = 0, size_t nLen = npos) const
+ {
+ size_t pos, len;
+ PosLenToImpl(nStart, nLen, &pos, &len);
+ return m_impl.substr(pos, len);
+ }
projects / wxWidgets.git / blobdiff