tried to make wxArrayString(bool autosort) ctor more explicit, e.g. prevent it from being used in implicit conversions from char * to wxArrayString

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13676 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/string.h

@@ -989,9 +989,17 @@ public:
                                  const wxString& second);
 
   // constructors and destructor
-    // default ctor: if autoSort is TRUE, the array is always sorted (in
-    // alphabetical order)
-  wxArrayString(bool autoSort = FALSE);
+    // default ctor
+  wxArrayString() { Init(FALSE); }
+    // if autoSort is TRUE, the array is always sorted (in alphabetical order)
+    //
+    // NB: the reason for using int and not bool is that like this we can avoid
+    //     using this ctor for implicit conversions from "const char *" (which
+    //     we'd like to be implicitly converted to wxString instead!)
+    //
+    //     of course, using explicit would be even better - if all compilers
+    //     supported it...
+  wxArrayString(int autoSort) { Init(autoSort != 0); }
     // copy ctor
   wxArrayString(const wxArrayString& array);
     // assignment operator
@@ -1065,6 +1073,7 @@ public:
   bool operator!=(const wxArrayString& a) const { return !(*this == a); }
 
 protected:
+  void Init(bool autoSort);             // common part of all ctors
   void Copy(const wxArrayString& src);  // copies the contents of another array
 
 private:

src/common/string.cpp

@@ -1904,7 +1904,7 @@ wxString& wxString::replace(size_t nStart, size_t nLen,
 #define   STRING(p)   ((wxString *)(&(p)))
 
 // ctor
-wxArrayString::wxArrayString(bool autoSort)
+void wxArrayString::Init(bool autoSort)
 {
   m_nSize  =
   m_nCount = 0;
@@ -1915,10 +1915,7 @@ wxArrayString::wxArrayString(bool autoSort)
 // copy ctor
 wxArrayString::wxArrayString(const wxArrayString& src)
 {
-  m_nSize  =
-  m_nCount = 0;
-  m_pItems = (wxChar **) NULL;
-  m_autoSort = src.m_autoSort;
+  Init(src.m_autoSort);
 
   *this = src;
 }