[ 1823588 ] gtk filedlg - droping support for gtk 2.2

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

diff --git a/include/wx/arrstr.h b/include/wx/arrstr.h
index ad82252b903d9190b837b8d2db2a244ba76ab622..a78d09e9dd4bb3d46d63d51a78445098dc5e72bf 100644 (file)
--- a/include/wx/arrstr.h
+++ b/include/wx/arrstr.h
@@ -42,10 +42,11 @@ public:
 
     wxArrayString() { }
     wxArrayString(const wxArrayString& a) : wxArrayStringBase(a) { }
-    wxArrayString(size_t sz, const wxChar** a);
+    wxArrayString(size_t sz, const char** a);
+    wxArrayString(size_t sz, const wchar_t** a);
     wxArrayString(size_t sz, const wxString* a);
 
-    int Index(const wxChar* sz, bool bCase = true, bool bFromEnd = false) const;
+    int Index(const wxString& str, bool bCase = true, bool bFromEnd = false) const;
 
     void Sort(bool reverseOrder = false);
     void Sort(CompareFunction function);
@@ -56,7 +57,7 @@ public:
         wxArrayStringBase::Add(string, copies);
         return size() - copies;
     }
-}
+};
 
 class WXDLLIMPEXP_BASE wxSortedArrayString : public wxSortedArrayStringBase
 {
@@ -75,7 +76,7 @@ public:
             Add(src[n]);
     }
 
-    int Index(const wxChar* sz, bool bCase = true, bool bFromEnd = false) const;
+    int Index(const wxString& str, bool bCase = true, bool bFromEnd = false) const;
 };
 
 #else // if !wxUSE_STL
@@ -104,7 +105,8 @@ public:
     //     supported it...
   wxArrayString(int autoSort) { Init(autoSort != 0); }
     // C string array ctor
-  wxArrayString(size_t sz, const wxChar** a);
+  wxArrayString(size_t sz, const char** a);
+  wxArrayString(size_t sz, const wchar_t** a);
     // wxString string array ctor
   wxArrayString(size_t sz, const wxString* a);
     // copy ctor
@@ -149,7 +151,7 @@ public:
   {
       wxASSERT_MSG( !IsEmpty(),
                     _T("wxArrayString: index out of bounds") );
-      return Item(Count() - 1);
+      return Item(GetCount() - 1);
   }
 
 
@@ -158,7 +160,7 @@ public:
     // bFromEnd is false or from end otherwise. If bCase, comparison is case
     // sensitive (default). Returns index of the first item matched or
     // wxNOT_FOUND
-  int  Index (const wxChar *sz, bool bCase = true, bool bFromEnd = false) const;
+  int  Index (const wxString& str, bool bCase = true, bool bFromEnd = false) const;
     // add new element at the end (if the array is not sorted), return its
     // index
   size_t Add(const wxString& str, size_t nInsert = 1);
@@ -167,7 +169,7 @@ public:
     // expand the array to have count elements
   void SetCount(size_t count);
     // remove first item matching this value
-  void Remove(const wxChar *sz);
+  void Remove(const wxString& sz);
     // remove item by index
   void RemoveAt(size_t nIndex, size_t nRemove = 1);
 
@@ -360,4 +362,81 @@ WXDLLIMPEXP_BASE wxArrayString wxSplit(const wxString& str,
                                        const wxChar sep,
                                        const wxChar escape = wxT('\\'));
 
+
+// ----------------------------------------------------------------------------
+// This helper class allows to pass both C array of wxStrings or wxArrayString
+// using the same interface.
+//
+// Use it when you have two methods taking wxArrayString or (int, wxString[]),
+// that do the same thing. This class lets you iterate over input data in the
+// same way whether it is a raw array of strings or wxArrayString.
+//
+// The object does not take ownership of the data -- internally it keeps
+// pointers to the data, therefore the data must be disposed of by user
+// and only after this object is destroyed. Usually it is not a problem as
+// only temporary objects of this class are used.
+// ----------------------------------------------------------------------------
+
+class wxArrayStringsAdapter
+{
+public:
+    // construct an adapter from a wxArrayString
+    wxArrayStringsAdapter(const wxArrayString& strings)
+        : m_type(wxSTRING_ARRAY), m_size(strings.size())
+    {
+        m_data.array = &strings;
+    }
+
+    // construct an adapter from a wxString[]
+    wxArrayStringsAdapter(unsigned int n, const wxString *strings)
+        : m_type(wxSTRING_POINTER), m_size(n)
+    {
+        m_data.ptr = strings;
+    }
+
+    // construct an adapter from a single wxString
+    wxArrayStringsAdapter(const wxString& s)
+        : m_type(wxSTRING_POINTER), m_size(1)
+    {
+        m_data.ptr = &s;
+    }
+
+    // default copy constructor is ok
+
+    // iteration interface
+    unsigned int GetCount() const { return m_size; }
+    bool IsEmpty() const { return GetCount() == 0; }
+    const wxString& operator[] (unsigned int i) const
+    {
+        wxASSERT_MSG( i < GetCount(), wxT("index out of bounds") );
+        if(m_type == wxSTRING_POINTER)
+            return m_data.ptr[i];
+        return m_data.array->Item(i);
+    }
+    wxArrayString AsArrayString() const
+    {
+        if(m_type == wxSTRING_ARRAY)
+            return *m_data.array;
+        return wxArrayString(GetCount(), m_data.ptr);
+    }
+
+private:
+    // type of the data being held
+    enum wxStringContainerType
+    {
+        wxSTRING_ARRAY,  // wxArrayString
+        wxSTRING_POINTER // wxString[]
+    };
+
+    wxStringContainerType m_type;
+    unsigned int m_size;
+    union
+    {
+        const wxString *      ptr;
+        const wxArrayString * array;
+    } m_data;
+
+    DECLARE_NO_ASSIGN_CLASS(wxArrayStringsAdapter)
+};
+
 #endif // _WX_ARRSTR_H