X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/52de37c78f31bc03f8b96090932c7ce8c3907d29..4f73f25cc81a95cbfff4f1afa850aae5976a423c:/include/wx/stringimpl.h diff --git a/include/wx/stringimpl.h b/include/wx/stringimpl.h index 1a581de5d1..e62127f06f 100644 --- a/include/wx/stringimpl.h +++ b/include/wx/stringimpl.h @@ -53,7 +53,18 @@ extern WXDLLIMPEXP_DATA_BASE(const wxStringCharType*) wxEmptyStringImpl; // deal with STL/non-STL/non-STL-but-wxUSE_STD_STRING // ---------------------------------------------------------------------------- -#define wxUSE_STL_BASED_WXSTRING wxUSE_STL +// using STL implies using std::string +#if wxUSE_STL + #undef wxUSE_STD_STRING + #define wxUSE_STD_STRING 1 +#endif + +// we use STL-based string internally if we use std::string at all now, there +// should be no reason to prefer our internal implement but if you really need +// it you can predefine wxUSE_STL_BASED_WXSTRING as 0 when building the library +#ifndef wxUSE_STL_BASED_WXSTRING + #define wxUSE_STL_BASED_WXSTRING wxUSE_STD_STRING +#endif // in both cases we need to define wxStdString #if wxUSE_STL_BASED_WXSTRING || wxUSE_STD_STRING @@ -83,8 +94,10 @@ extern WXDLLIMPEXP_DATA_BASE(const wxStringCharType*) wxEmptyStringImpl; #undef wxUSE_STD_STRING #define wxUSE_STD_STRING 1 + // the versions of std::string included with gcc 2.95 and VC6 (for which + // _MSC_VER == 1200) and eVC4 (_MSC_VER == 1201) lack clear() method #if (defined(__GNUG__) && (__GNUG__ < 3)) || \ - (defined(_MSC_VER) && (_MSC_VER <= 1200)) + !wxCHECK_VISUALC_VERSION(7) || defined(__EVC4__) #define wxSTRING_BASE_HASNT_CLEAR #endif @@ -198,6 +211,7 @@ public: typedef ptr_type pointer; \ typedef int difference_type; \ \ + iterator_name() : m_ptr(NULL) { } \ iterator_name(pointer ptr) : m_ptr(ptr) { } \ \ reference operator*() const { return *m_ptr; } \ @@ -218,21 +232,13 @@ public: return tmp; \ } \ \ - iterator_name operator+(int n) const \ - { return iterator_name(m_ptr + n); } \ - iterator_name operator+(size_t n) const \ + iterator_name operator+(ptrdiff_t n) const \ { return iterator_name(m_ptr + n); } \ - iterator_name operator-(int n) const \ + iterator_name operator-(ptrdiff_t n) const \ { return iterator_name(m_ptr - n); } \ - iterator_name operator-(size_t n) const \ - { return iterator_name(m_ptr - n); } \ - iterator_name& operator+=(int n) \ - { m_ptr += n; return *this; } \ - iterator_name& operator+=(size_t n) \ + iterator_name& operator+=(ptrdiff_t n) \ { m_ptr += n; return *this; } \ - iterator_name& operator-=(int n) \ - { m_ptr -= n; return *this; } \ - iterator_name& operator-=(size_t n) \ + iterator_name& operator-=(ptrdiff_t n) \ { m_ptr -= n; return *this; } \ \ difference_type operator-(const iterator_name& i) const \ @@ -254,18 +260,18 @@ public: \ private: \ /* for wxStringImpl use only */ \ - operator pointer() const { return m_ptr; } \ + pointer GetPtr() const { return m_ptr; } \ \ - friend class WXDLLIMPEXP_BASE wxStringImpl; \ + friend class wxStringImpl; \ \ pointer m_ptr // we need to declare const_iterator in wxStringImpl scope, the friend // declaration inside iterator class itself is not enough, or at least not // for g++ 3.4 (g++ 4 is ok) - class const_iterator; + class WXDLLIMPEXP_FWD_BASE const_iterator; - class iterator + class WXDLLIMPEXP_BASE iterator { WX_DEFINE_STRINGIMPL_ITERATOR(iterator, wxStringCharType&, @@ -274,7 +280,7 @@ public: friend class const_iterator; }; - class const_iterator + class WXDLLIMPEXP_BASE const_iterator { public: const_iterator(iterator i) : m_ptr(i.m_ptr) { } @@ -378,9 +384,11 @@ public: // lib.string.access // return the character at position n + value_type operator[](size_type n) const { return m_pchData[n]; } value_type at(size_type n) const { wxASSERT_VALID_INDEX( n ); return m_pchData[n]; } // returns the writable character at position n + reference operator[](size_type n) { CopyBeforeWrite(); return m_pchData[n]; } reference at(size_type n) { wxASSERT_VALID_INDEX( n ); @@ -408,25 +416,25 @@ public: wxStringImpl& append(size_t n, wxStringCharType ch); // append from first to last wxStringImpl& append(const_iterator first, const_iterator last) - { ConcatSelf(last - first, first); return *this; } + { ConcatSelf(last - first, first.GetPtr()); return *this; } // same as `this_string = str' wxStringImpl& assign(const wxStringImpl& str) { return *this = str; } // same as ` = str[pos..pos + n] wxStringImpl& assign(const wxStringImpl& str, size_t pos, size_t n) - { clear(); return append(str, pos, n); } + { return replace(0, npos, str, pos, n); } // same as `= first n (or all if n == npos) characters of sz' wxStringImpl& assign(const wxStringCharType *sz) - { clear(); return append(sz, wxStrlen(sz)); } + { return replace(0, npos, sz, wxStrlen(sz)); } wxStringImpl& assign(const wxStringCharType *sz, size_t n) - { clear(); return append(sz, n); } + { return replace(0, npos, sz, n); } // same as `= n copies of ch' wxStringImpl& assign(size_t n, wxStringCharType ch) - { clear(); return append(n, ch); } + { return replace(0, npos, n, ch); } // assign from first to last wxStringImpl& assign(const_iterator first, const_iterator last) - { clear(); return append(first, last); } + { return replace(begin(), end(), first, last); } // first valid index position const_iterator begin() const { return m_pchData; } @@ -458,7 +466,7 @@ public: iterator insert(iterator it, wxStringCharType ch) { size_t idx = it - begin(); insert(idx, 1, ch); return begin() + idx; } void insert(iterator it, const_iterator first, const_iterator last) - { insert(it - begin(), first, last - first); } + { insert(it - begin(), first.GetPtr(), last - first); } void insert(iterator it, size_type n, wxStringCharType ch) { insert(it - begin(), n, ch); } @@ -477,18 +485,23 @@ public: const wxStringCharType* data() const { return m_pchData; } // replaces the substring of length nLen starting at nStart - wxStringImpl& replace(size_t nStart, size_t nLen, const wxStringCharType* sz); + wxStringImpl& replace(size_t nStart, size_t nLen, const wxStringCharType* sz) + { return replace(nStart, nLen, sz, npos); } // replaces the substring of length nLen starting at nStart wxStringImpl& replace(size_t nStart, size_t nLen, const wxStringImpl& str) - { return replace(nStart, nLen, str.c_str()); } + { return replace(nStart, nLen, str.c_str(), str.length()); } // replaces the substring with nCount copies of ch - wxStringImpl& replace(size_t nStart, size_t nLen, size_t nCount, wxStringCharType ch); + wxStringImpl& replace(size_t nStart, size_t nLen, + size_t nCount, wxStringCharType ch) + { return replace(nStart, nLen, wxStringImpl(nCount, ch)); } // replaces a substring with another substring wxStringImpl& replace(size_t nStart, size_t nLen, - const wxStringImpl& str, size_t nStart2, size_t nLen2); + const wxStringImpl& str, size_t nStart2, size_t nLen2) + { return replace(nStart, nLen, str.substr(nStart2, nLen2)); } // replaces the substring with first nCount chars of sz wxStringImpl& replace(size_t nStart, size_t nLen, const wxStringCharType* sz, size_t nCount); + wxStringImpl& replace(iterator first, iterator last, const_pointer s) { return replace(first - begin(), last - first, s); } wxStringImpl& replace(iterator first, iterator last, const_pointer s, @@ -500,7 +513,7 @@ public: { return replace(first - begin(), last - first, n, c); } wxStringImpl& replace(iterator first, iterator last, const_iterator first1, const_iterator last1) - { return replace(first - begin(), last - first, first1, last1 - first1); } + { return replace(first - begin(), last - first, first1.GetPtr(), last1 - first1); } // swap two strings void swap(wxStringImpl& str); @@ -546,7 +559,7 @@ public: void DoUngetWriteBuf(); void DoUngetWriteBuf(size_t nLen); - friend class WXDLLIMPEXP_BASE wxString; + friend class WXDLLIMPEXP_FWD_BASE wxString; }; #endif // !wxUSE_STL_BASED_WXSTRING