Split utility functions into base (in utilsexc_base.cpp) and gui (src/osx/carbon...

[wxWidgets.git] / include / wx / stringimpl.h

diff --git a/include/wx/stringimpl.h b/include/wx/stringimpl.h
index 7ac70a6c5e453f954114868d93a02987b906874c..00d24e22424cba32fd01f294cd131b9bf1703fb8 100644 (file)
--- 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
@@ -219,21 +230,13 @@ public:
             return tmp;                                                       \
         }                                                                     \
                                                                               \
-        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) 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)                                      \
+        iterator_name& operator+=(ptrdiff_t n)                                \
             { m_ptr += n; return *this; }                                     \
-        iterator_name& operator+=(size_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               \
@@ -255,7 +258,7 @@ public:
                                                                               \
     private:                                                                  \
         /* for wxStringImpl use only */                                       \
-        operator pointer() const { return m_ptr; }                            \
+        pointer GetPtr() const { return m_ptr; }                              \
                                                                               \
         friend class wxStringImpl;                                            \
                                                                               \
@@ -379,9 +382,11 @@ 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 );
@@ -409,7 +414,7 @@ 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)
@@ -459,7 +464,7 @@ 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); }
 
@@ -506,7 +511,7 @@ 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);