X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c1dc9f8394c1488ad8e7d945e6f943f7b34554ce..4e4e981fe64ead425707119b3310547f1b9206d3:/include/wx/arrstr.h diff --git a/include/wx/arrstr.h b/include/wx/arrstr.h index 95b3519e80..3c5fcfa165 100644 --- a/include/wx/arrstr.h +++ b/include/wx/arrstr.h @@ -80,21 +80,6 @@ public: #else // if !wxUSE_STL -// ---------------------------------------------------------------------------- -// The string array uses it's knowledge of internal structure of the wxString -// class to optimize string storage. Normally, we would store pointers to -// string, but as wxString is, in fact, itself a pointer (sizeof(wxString) is -// sizeof(char *)) we store these pointers instead. The cast to "wxString *" is -// really all we need to turn such pointer into a string! -// -// Of course, it can be called a dirty hack, but we use twice less memory and -// this approach is also more speed efficient, so it's probably worth it. -// -// Usage notes: when a string is added/inserted, a new copy of it is created, -// so the original string may be safely deleted. When a string is retrieved -// from the array (operator[] or Item() method), a reference is returned. -// ---------------------------------------------------------------------------- - class WXDLLIMPEXP_BASE wxArrayString { public: @@ -154,7 +139,7 @@ public: wxASSERT_MSG( nIndex < m_nCount, _T("wxArrayString: index out of bounds") ); - return *(wxString *)&(m_pItems[nIndex]); + return m_pItems[nIndex]; } // same as Item() @@ -273,8 +258,8 @@ public: { clear(); Add(v, n); } reference back() { return *(end() - 1); } const_reference back() const { return *(end() - 1); } - iterator begin() { return (wxString *)&(m_pItems[0]); } - const_iterator begin() const { return (wxString *)&(m_pItems[0]); } + iterator begin() { return m_pItems; } + const_iterator begin() const { return m_pItems; } size_type capacity() const { return m_nSize; } void clear() { Clear(); } bool empty() const { return IsEmpty(); } @@ -311,14 +296,13 @@ protected: private: void Grow(size_t nIncrement = 0); // makes array bigger if needed - void Free(); // free all the strings stored void DoSort(); // common part of all Sort() variants size_t m_nSize, // current size of the array m_nCount; // current number of elements - const wxChar **m_pItems; // pointer to data + wxString *m_pItems; // pointer to data bool m_autoSort; // if true, keep the array always sorted }; @@ -359,4 +343,21 @@ private: wxString* m_strings; }; -#endif + +// ---------------------------------------------------------------------------- +// helper functions for working with arrays +// ---------------------------------------------------------------------------- + +// by default, these functions use the escape character to escape the +// separators occuring inside the string to be joined, this can be disabled by +// passing '\0' as escape + +WXDLLIMPEXP_BASE wxString wxJoin(const wxArrayString& arr, + const wxChar sep, + const wxChar escape = wxT('\\')); + +WXDLLIMPEXP_BASE wxArrayString wxSplit(const wxString& str, + const wxChar sep, + const wxChar escape = wxT('\\')); + +#endif // _WX_ARRSTR_H