X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/830f8f11bca5c0892ae767ba14790c8b5b59011f..855f31ebe72bef834a32df2c274b41fb282ad265:/include/wx/string.h diff --git a/include/wx/string.h b/include/wx/string.h index 6cf19b5022..6733c24b2a 100644 --- a/include/wx/string.h +++ b/include/wx/string.h @@ -76,9 +76,15 @@ class WXDLLIMPEXP_BASE wxString; // constants // ---------------------------------------------------------------------------- +#if WXWIN_COMPATIBILITY_2_6 + +// deprecated in favour of wxString::npos, don't use in new code +// // maximum possible length for a string means "take all string" everywhere #define wxSTRING_MAXLEN wxStringBase::npos +#endif // WXWIN_COMPATIBILITY_2_6 + // ---------------------------------------------------------------------------- // global data // ---------------------------------------------------------------------------- @@ -299,6 +305,43 @@ 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); } \ + \ + 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(); } @@ -370,7 +413,7 @@ public: // return the length of the string size_type size() const { return length(); } // return the maximum size of the string - size_type max_size() const { return wxSTRING_MAXLEN; } + size_type max_size() const { return npos; } // resize the string, filling the space with c if c != 0 void resize(size_t nSize, wxChar ch = wxT('\0')); // delete the contents of the string @@ -431,14 +474,18 @@ 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) { @@ -670,7 +717,9 @@ public: #if wxUSE_UNICODE // from multibyte string - wxString(const char *psz, const wxMBConv& conv, size_t nLength = npos); + wxString(const char *psz, + const wxMBConv& conv = wxConvLibc, + size_t nLength = npos); // from wxWCharBuffer (i.e. return from wxGetString) wxString(const wxWCharBuffer& psz) : wxStringBase(psz.data()) { } #else // ANSI @@ -868,6 +917,9 @@ public: // from wxWCharBuffer wxString& operator=(const wxWCharBuffer& psz) { (void) operator=((const wchar_t *)psz); return *this; } + // from C string + wxString& operator=(const char* psz) + { return operator=(wxString(psz)); } #else // ANSI // from another kind of C string wxString& operator=(const unsigned char* psz); @@ -890,7 +942,7 @@ public: // string += string wxString& operator<<(const wxString& s) { -#if !wxUSE_STL +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL wxASSERT_MSG( s.GetStringData()->IsValid(), _T("did you forget to call UngetWriteBuf()?") ); #endif @@ -907,16 +959,24 @@ public: // string += buffer (i.e. from wxGetString) #if wxUSE_UNICODE wxString& operator<<(const wxWCharBuffer& s) - { (void)operator<<((const wchar_t *)s); return *this; } - void operator+=(const wxWCharBuffer& s) - { (void)operator<<((const wchar_t *)s); } + { return operator<<((const wchar_t *)s); } + wxString& operator+=(const wxWCharBuffer& s) + { return operator<<((const wchar_t *)s); } #else // !wxUSE_UNICODE wxString& operator<<(const wxCharBuffer& s) - { (void)operator<<((const char *)s); return *this; } - void operator+=(const wxCharBuffer& s) - { (void)operator<<((const char *)s); } + { return operator<<((const char *)s); } + wxString& operator+=(const wxCharBuffer& s) + { return operator<<((const char *)s); } #endif // wxUSE_UNICODE/!wxUSE_UNICODE +#if wxUSE_UNICODE + // string += C string in Unicode build (with conversion) + wxString& operator<<(const char *s) + { return operator<<(wxString(s)); } + wxString& operator+=(const char *s) + { return operator+=(wxString(s)); } +#endif // wxUSE_UNICODE + // string += C string wxString& Append(const wxString& s) { @@ -1015,10 +1075,14 @@ public: wxString operator()(size_t start, size_t len) const { return Mid(start, len); } - // check that the string starts with prefix and return the rest of the - // string in the provided pointer if it is not NULL, otherwise return - // false + // check if the string starts with the given prefix and return the rest + // of the string in the provided pointer if it is not NULL; otherwise + // return false bool StartsWith(const wxChar *prefix, wxString *rest = NULL) const; + // check if the string ends with the given suffix and return the + // beginning of the string before the suffix in the provided pointer if + // it is not NULL; otherwise return false + bool EndsWith(const wxChar *suffix, wxString *rest = NULL) const; // get first nCount characters wxString Left(size_t nCount) const; @@ -1081,9 +1145,17 @@ public: bool ToLong(long *val, int base = 10) const; // convert to an unsigned integer bool ToULong(unsigned long *val, int base = 10) const; + // convert to wxLongLong +#if defined(wxLongLong_t) + bool ToLongLong(wxLongLong_t *val, int base = 10) const; + // convert to wxULongLong + bool ToULongLong(wxULongLong_t *val, int base = 10) const; +#endif // wxLongLong_t // convert to a double bool ToDouble(double *val) const; + + // formatted input/output // as sprintf(), returns the number of characters written or < 0 on error // (take 'this' into account in attribute parameter count) @@ -1103,14 +1175,16 @@ public: // minimize the string's memory // only works if the data of this string is not shared bool Shrink(); -#if !wxUSE_STL +#if WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL + // These are deprecated, use wxStringBuffer or wxStringBufferLength instead + // // get writable buffer of at least nLen bytes. Unget() *must* be called // a.s.a.p. to put string back in a reasonable state! - wxChar *GetWriteBuf(size_t nLen); + wxDEPRECATED( wxChar *GetWriteBuf(size_t nLen) ); // call this immediately after GetWriteBuf() has been used - void UngetWriteBuf(); - void UngetWriteBuf(size_t nLen); -#endif + wxDEPRECATED( void UngetWriteBuf() ); + wxDEPRECATED( void UngetWriteBuf(size_t nLen) ); +#endif // WXWIN_COMPATIBILITY_2_8 && !wxUSE_STL // wxWidgets version 1 compatibility functions @@ -1299,6 +1373,17 @@ public: // string += char wxString& operator+=(wxChar ch) { return (wxString&)wxStringBase::operator+=(ch); } + +private: +#if !wxUSE_STL + // helpers for wxStringBuffer and wxStringBufferLength + wxChar *DoGetWriteBuf(size_t nLen); + void DoUngetWriteBuf(); + void DoUngetWriteBuf(size_t nLen); + + friend class WXDLLIMPEXP_BASE wxStringBuffer; + friend class WXDLLIMPEXP_BASE wxStringBufferLength; +#endif }; // notice that even though for many compilers the friend declarations above are @@ -1312,11 +1397,6 @@ wxString WXDLLIMPEXP_BASE operator+(const wxString& string, const wxChar *psz); wxString WXDLLIMPEXP_BASE operator+(const wxChar *psz, const wxString& string); -// define wxArrayString, for compatibility -#if WXWIN_COMPATIBILITY_2_4 && !wxUSE_STL - #include "wx/arrstr.h" -#endif - #if wxUSE_STL // return an empty wxString (not very useful with wxUSE_STL == 1) inline const wxString wxGetEmptyString() { return wxString(); } @@ -1392,9 +1472,9 @@ class WXDLLIMPEXP_BASE wxStringBuffer public: wxStringBuffer(wxString& str, size_t lenWanted = 1024) : m_str(str), m_buf(NULL) - { m_buf = m_str.GetWriteBuf(lenWanted); } + { m_buf = m_str.DoGetWriteBuf(lenWanted); } - ~wxStringBuffer() { m_str.UngetWriteBuf(); } + ~wxStringBuffer() { m_str.DoUngetWriteBuf(); } operator wxChar*() const { return m_buf; } @@ -1411,14 +1491,14 @@ public: wxStringBufferLength(wxString& str, size_t lenWanted = 1024) : m_str(str), m_buf(NULL), m_len(0), m_lenSet(false) { - m_buf = m_str.GetWriteBuf(lenWanted); + m_buf = m_str.DoGetWriteBuf(lenWanted); wxASSERT(m_buf != NULL); } ~wxStringBufferLength() { wxASSERT(m_lenSet); - m_str.UngetWriteBuf(m_len); + m_str.DoUngetWriteBuf(m_len); } operator wxChar*() const { return m_buf; } @@ -1522,6 +1602,34 @@ inline bool operator==(const wxString& s, wxChar c) { return s.IsSameAs(c); } inline bool operator!=(wxChar c, const wxString& s) { return !s.IsSameAs(c); } inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); } +// comparison with C string in Unicode build +#if wxUSE_UNICODE +inline bool operator==(const wxString& s1, const char* s2) + { return s1 == wxString(s2); } +inline bool operator==(const char* s1, const wxString& s2) + { return wxString(s1) == s2; } +inline bool operator!=(const wxString& s1, const char* s2) + { return s1 != wxString(s2); } +inline bool operator!=(const char* s1, const wxString& s2) + { return wxString(s1) != s2; } +inline bool operator< (const wxString& s1, const char* s2) + { return s1 < wxString(s2); } +inline bool operator< (const char* s1, const wxString& s2) + { return wxString(s1) < s2; } +inline bool operator> (const wxString& s1, const char* s2) + { return s1 > wxString(s2); } +inline bool operator> (const char* s1, const wxString& s2) + { return wxString(s1) > s2; } +inline bool operator<=(const wxString& s1, const char* s2) + { return s1 <= wxString(s2); } +inline bool operator<=(const char* s1, const wxString& s2) + { return wxString(s1) <= s2; } +inline bool operator>=(const wxString& s1, const char* s2) + { return s1 >= wxString(s2); } +inline bool operator>=(const char* s1, const wxString& s2) + { return wxString(s1) >= s2; } +#endif // wxUSE_UNICODE + // --------------------------------------------------------------------------- // Implementation only from here until the end of file // --------------------------------------------------------------------------- @@ -1533,7 +1641,6 @@ inline bool operator!=(const wxString& s, wxChar c) { return !s.IsSameAs(c); } #include "wx/iosfwrap.h" -WXDLLIMPEXP_BASE wxSTD istream& operator>>(wxSTD istream&, wxString&); WXDLLIMPEXP_BASE wxSTD ostream& operator<<(wxSTD ostream&, const wxString&); #endif // wxSTD_STRING_COMPATIBILITY