Warning fixes for Cygwin

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

diff --git a/include/wx/hash.h b/include/wx/hash.h
index 4196d68308f1222a1ca85a3834614032b4e3f9e0..704e42101af9483af1a6e9e0a5fe907036329063 100644 (file)
--- a/include/wx/hash.h
+++ b/include/wx/hash.h
@@ -5,7 +5,7 @@
 // Modified by: VZ at 25.02.00: type safe hashes with WX_DECLARE_HASH()
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c)
+// Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -18,12 +18,20 @@
 
 #include "wx/defs.h"
 
+#if !wxUSE_STL && WXWIN_COMPATIBILITY_2_4
+    #define wxUSE_OLD_HASH_TABLE 1
+#else
+    #define wxUSE_OLD_HASH_TABLE 0
+#endif
+
 #if !wxUSE_STL
     #include "wx/object.h"
-    #include "wx/list.h"
 #else
     class WXDLLIMPEXP_BASE wxObject;
 #endif
+#if wxUSE_OLD_HASH_TABLE
+    #include "wx/list.h"
+#endif
 #if WXWIN_COMPATIBILITY_2_4
     #include "wx/dynarray.h"
 #endif
@@ -43,7 +51,7 @@
 // pointers to objects
 // ----------------------------------------------------------------------------
 
-#if !wxUSE_STL
+#if wxUSE_OLD_HASH_TABLE
 
 class WXDLLIMPEXP_BASE wxHashTableBase : public wxObject
 {
@@ -83,7 +91,7 @@ private:
     DECLARE_NO_COPY_CLASS(wxHashTableBase)
 };
 
-#else // if wxUSE_STL
+#else // if !wxUSE_OLD_HASH_TABLE
 
 #if !defined(wxENUM_KEY_TYPE_DEFINED)
 #define wxENUM_KEY_TYPE_DEFINED
@@ -103,6 +111,10 @@ union wxHashKeyValue
     wxChar *string;
 };
 
+// for some compilers (AIX xlC), defining it as friend inside the class is not
+// enough, so provide a real forward declaration
+class WXDLLIMPEXP_BASE wxHashTableBase;
+
 class WXDLLIMPEXP_BASE wxHashTableBase_Node
 {
     friend class WXDLLIMPEXP_BASE wxHashTableBase;
@@ -151,7 +163,7 @@ public:
     typedef wxHashTableBase_Node Node;
 
     wxHashTableBase();
-    virtual ~wxHashTableBase();
+    virtual ~wxHashTableBase() { };
 
     void Create( wxKeyType keyType = wxKEY_INTEGER,
                  size_t size = wxHASH_SIZE_DEFAULT );
@@ -215,7 +227,7 @@ private:
     DECLARE_NO_COPY_CLASS(wxHashTableBase)
 };
 
-#endif // !wxUSE_STL
+#endif // wxUSE_OLD_HASH_TABLE
 
 #if !wxUSE_STL
 
@@ -273,10 +285,10 @@ public:
     void Put(long key, const wxString& value);
 
     // get the string from the key: if not found, an empty string is returned
-    // and the wasFound is set to FALSE if not NULL
+    // and the wasFound is set to false if not NULL
     wxString Get(long key, bool *wasFound = NULL) const;
 
-    // remove the item, returning TRUE if the item was found and deleted
+    // remove the item, returning true if the item was found and deleted
     bool Delete(long key) const;
 
     // clean up
@@ -294,13 +306,13 @@ private:
 
 #endif // WXWIN_COMPATIBILITY_2_4
 
-#endif  // !wxUSE_STL
+#endif // !wxUSE_STL
 
 // ----------------------------------------------------------------------------
 // for compatibility only
 // ----------------------------------------------------------------------------
 
-#if wxUSE_STL
+#if !wxUSE_OLD_HASH_TABLE
 
 class WXDLLIMPEXP_BASE wxHashTable_Node : public wxHashTableBase_Node
 {
@@ -336,9 +348,9 @@ public:
         : wxHashTableBase() { Create( keyType, size ); BeginFind(); }
     wxHashTable( const wxHashTable& table );
 
-    const wxHashTable& operator=( const wxHashTable& );
+    virtual ~wxHashTable() { Destroy(); }
 
-    void Destroy() { Clear(); }
+    const wxHashTable& operator=( const wxHashTable& );
 
     // key and value are the same
     void Put(long value, wxObject *object)
@@ -401,7 +413,7 @@ private:
     size_t m_currBucket;
 };
 
-#else // if !wxUSE_STL
+#else // if wxUSE_OLD_HASH_TABLE
 
 class WXDLLIMPEXP_BASE wxHashTable : public wxObject
 {
@@ -492,9 +504,9 @@ private:
     DECLARE_DYNAMIC_CLASS(wxHashTable)
 };
 
-#endif
+#endif // wxUSE_OLD_HASH_TABLE
 
-#if wxUSE_STL
+#if !wxUSE_OLD_HASH_TABLE
 
 // defines a new type safe hash table which stores the elements of type eltype
 // in lists of class listclass
@@ -506,9 +518,8 @@ private:
                   size_t size = wxHASH_SIZE_DEFAULT)                          \
             : wxHashTableBase() { Create(keyType, size); }                    \
                                                                               \
-        ~hashclass() { Destroy(); }                                           \
+        virtual ~hashclass() { Destroy(); }                                   \
                                                                               \
-        void Destroy() { Clear(); }                                           \
         void Put(long key, eltype *data) { DoPut(key, key, (void*)data); }    \
         void Put(long hash, long key, eltype *data)                           \
             { DoPut(key, hash, (void*)data); }                                \
@@ -525,7 +536,7 @@ private:
         DECLARE_NO_COPY_CLASS(hashclass)                                      \
     }
 
-#else // if !wxUSE_STL
+#else // if wxUSE_OLD_HASH_TABLE
 
 #define _WX_DECLARE_HASH(eltype, listclass, hashclass, classexp)               \
     classexp hashclass : public wxHashTableBase                                \
@@ -577,7 +588,7 @@ private:
             {                                                                  \
                 m_hashTable[slot] = new listclass(m_keyType);                  \
                 if ( m_deleteContents )                                        \
-                    m_hashTable[slot]->DeleteContents(TRUE);                   \
+                    m_hashTable[slot]->DeleteContents(true);                   \
             }                                                                  \
                                                                                \
             ((listclass *)m_hashTable[slot])->Append(value, data);             \
@@ -587,7 +598,7 @@ private:
         DECLARE_NO_COPY_CLASS(hashclass)                                       \
     }
 
-#endif
+#endif // wxUSE_OLD_HASH_TABLE
 
 // this macro is to be used in the user code
 #define WX_DECLARE_HASH(el, list, hash) \