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added wxString::rbegin() and rend()

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38742 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-04-15 15:03:57 +00:00
parent d704d2f5dc
commit 968f291be6
3 changed files with 77 additions and 17 deletions
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50
include/wx/string.h
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@@ -299,6 +299,44 @@ public:
typedef value_type *iterator;
typedef const value_type *const_iterator;
#define wxSTRING_REVERSE_ITERATOR(name, const_or_not) \
class name \
{ \
public: \
typedef wxChar value_type; \
typedef const_or_not value_type& reference; \
typedef const_or_not value_type *pointer; \
typedef const_or_not value_type *iterator_type; \
\
name(iterator_type i) : m_cur(i) { } \
name(const name& ri) : m_cur(ri.m_cur) { } \
\
iterator_type base() const { return m_cur; } \
\
reference operator*() const { return *(m_cur - 1); } \
pointer operator->() const { return m_cur - 1; } \
\
name& operator++() { --m_cur; return *this; } \
name operator++(int) { name tmp = *this; --m_cur; return tmp; } \
name& operator--() { ++m_cur; return *this; } \
name operator--(int) { name tmp = *this; ++m_cur; return tmp; } \
\
bool operator==(name ri) const { return m_cur == ri.m_cur; } \
bool operator!=(name ri) const { return !(*this == ri); } \
\
private: \
iterator_type m_cur; \
}
wxSTRING_REVERSE_ITERATOR(const_reverse_iterator, const);
#define wxSTRING_CONST
wxSTRING_REVERSE_ITERATOR(reverse_iterator, wxSTRING_CONST);
#undef wxSTRING_CONST
#undef wxSTRING_REVERSE_ITERATOR
// constructors and destructor
// ctor for an empty string
wxStringBase() { Init(); }
@@ -431,14 +469,18 @@ public:
// first valid index position
const_iterator begin() const { return m_pchData; }
iterator begin();
// position one after the last valid one
const_iterator end() const { return m_pchData + length(); }
// first valid index position
iterator begin();
// position one after the last valid one
iterator 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()); }
// insert another string
wxStringBase& insert(size_t nPos, const wxStringBase& str)
{