virtualized m_row/col height/widths arrays

[wxWidgets.git] / src / common / hash.cpp

diff --git a/src/common/hash.cpp b/src/common/hash.cpp
index 1aba64563c41095de7271e009503b776427a4a1d..cfc590327ce3b1d1b60c21ffa599d8eeb07eb0c7 100644 (file)
--- a/src/common/hash.cpp
+++ b/src/common/hash.cpp
@@ -29,150 +29,198 @@
 #include <string.h>
 #include <stdarg.h>
 
-#if !USE_SHARED_LIBRARY
 IMPLEMENT_DYNAMIC_CLASS(wxHashTable, wxObject)
-#endif
 
-wxHashTable::wxHashTable (const int the_key_type, const int size)
+wxHashTable::wxHashTable (int the_key_type, int size)
 {
+  n = 0;
+  hash_table = (wxList**) NULL;
+  Create(the_key_type, size);
+  m_count = 0;
+  m_deleteContents = FALSE;
+/*
   n = size;
   current_position = -1;
-  current_node = NULL;
+  current_node = (wxNode *) NULL;
 
   key_type = the_key_type;
   hash_table = new wxList *[size];
   int i;
   for (i = 0; i < size; i++)
-    hash_table[i] = NULL;
+    hash_table[i] = (wxList *) NULL;
+*/
 }
 
 wxHashTable::~wxHashTable (void)
 {
+  Destroy();
+}
+
+void wxHashTable::Destroy(void)
+{
+  if (!hash_table) return;
   int i;
   for (i = 0; i < n; i++)
     if (hash_table[i])
       delete hash_table[i];
   delete[] hash_table;
+  hash_table = NULL;
 }
 
-bool wxHashTable::Create(const int the_key_type, const int size)
+bool wxHashTable::Create(int the_key_type, int size)
 {
+  Destroy();
+
   n = size;
   current_position = -1;
-  current_node = NULL;
+  current_node = (wxNode *) NULL;
 
   key_type = the_key_type;
-  if (hash_table)
-    delete[] hash_table;
   hash_table = new wxList *[size];
   int i;
   for (i = 0; i < size; i++)
-    hash_table[i] = NULL;
+    hash_table[i] = (wxList *) NULL;
   return TRUE;
 }
 
-void wxHashTable::Put (const long key, const long value, wxObject * object)
+
+void wxHashTable::DoCopy(const wxHashTable& table)
+{
+  n = table.n;
+  current_position = table.current_position;
+  current_node = NULL; // doesn't matter - Next() will reconstruct it
+  key_type = table.key_type;
+
+  hash_table = new wxList *[n];
+  for (int i = 0; i < n; i++) {
+    if (table.hash_table[i] == NULL)
+      hash_table[i] = NULL;
+    else {
+      hash_table[i] = new wxList(key_type);
+      *(hash_table[i]) = *(table.hash_table[i]);
+    }
+  }
+}
+
+void wxHashTable::Put (long key, long value, wxObject * object)
 {
   // Should NEVER be
   long k = (long) key;
-  if (k < 0)
-    k = -k;
 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
+  {
     hash_table[position] = new wxList (wxKEY_INTEGER);
+    if (m_deleteContents) hash_table[position]->DeleteContents(TRUE);
+  }
 
   hash_table[position]->Append (value, object);
+  m_count++;
 }
 
-void wxHashTable::Put (const long key, const char *value, wxObject * object)
+void wxHashTable::Put (long key, const wxChar *value, wxObject * object)
 {
   // Should NEVER be
-  long k = (long) key;
-  if (k < 0)
-    k = -k;
+  long k = (long) key; 
 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+ 
   if (!hash_table[position])
+  {
     hash_table[position] = new wxList (wxKEY_INTEGER);
+    if (m_deleteContents) hash_table[position]->DeleteContents(TRUE);
+  }
 
   hash_table[position]->Append (value, object);
+  m_count++;
 }
 
-void wxHashTable::Put (const long key, wxObject * object)
+void wxHashTable::Put (long key, wxObject * object)
 {
   // Should NEVER be
   long k = (long) key;
-  if (k < 0)
-    k = -k;
-
+  
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
+  {
     hash_table[position] = new wxList (wxKEY_INTEGER);
-
+    if (m_deleteContents) hash_table[position]->DeleteContents(TRUE);
+  }
+  
   hash_table[position]->Append (k, object);
+  m_count++;
 }
 
-void wxHashTable::Put (const char *key, wxObject * object)
+void wxHashTable::Put (const wxChar *key, wxObject * object)
 {
   int position = (int) (MakeKey (key) % n);
+  if (position < 0) position = -position;
 
   if (!hash_table[position])
+  {
     hash_table[position] = new wxList (wxKEY_STRING);
+    if (m_deleteContents) hash_table[position]->DeleteContents(TRUE);
+  }
 
   hash_table[position]->Append (key, object);
+  m_count++;
 }
 
-wxObject *wxHashTable::Get (const long key, const long value) const
+wxObject *wxHashTable::Get (long key, long value) const
 {
   // Should NEVER be
   long k = (long) key;
-  if (k < 0)
-    k = -k;
 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
       if (node)
        return node->Data ();
       else
-       return NULL;
+       return (wxObject *) NULL;
     }
 }
 
-wxObject *wxHashTable::Get (const long key, const char *value) const
+wxObject *wxHashTable::Get (long key, const wxChar *value) const
 {
   // Should NEVER be
   long k = (long) key;
-  if (k < 0)
-    k = -k;
-
+ 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
       if (node)
        return node->Data ();
       else
-       return NULL;
+       return (wxObject *) NULL;
     }
 }
 
-wxObject *wxHashTable::Get (const long key) const
+wxObject *wxHashTable::Get (long key) const
 {
   // Should NEVER be
   long k = (long) key;
-  if (k < 0)
-    k = -k;
 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (k);
@@ -180,12 +228,13 @@ wxObject *wxHashTable::Get (const long key) const
     }
 }
 
-wxObject *wxHashTable::Get (const char *key) const
+wxObject *wxHashTable::Get (const wxChar *key) const
 {
   int position = (int) (MakeKey (key) % n);
+  if (position < 0) position = -position;
 
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (key);
@@ -193,16 +242,16 @@ wxObject *wxHashTable::Get (const char *key) const
     }
 }
 
-wxObject *wxHashTable::Delete (const long key)
+wxObject *wxHashTable::Delete (long key)
 {
   // Should NEVER be
   long k = (long) key;
-  if (k < 0)
-    k = -k;
 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (k);
@@ -210,18 +259,21 @@ wxObject *wxHashTable::Delete (const long key)
        {
          wxObject *data = node->Data ();
          delete node;
+         m_count--;
          return data;
        }
       else
-       return NULL;
+       return (wxObject *) NULL;
     }
 }
 
-wxObject *wxHashTable::Delete (const char *key)
+wxObject *wxHashTable::Delete (const wxChar *key)
 {
   int position = (int) (MakeKey (key) % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (key);
@@ -229,23 +281,24 @@ wxObject *wxHashTable::Delete (const char *key)
        {
          wxObject *data = node->Data ();
          delete node;
+         m_count--;
          return data;
        }
       else
-       return NULL;
+       return (wxObject *) NULL;
     }
 }
 
-wxObject *wxHashTable::Delete (const long key, const int value)
+wxObject *wxHashTable::Delete (long key, int value)
 {
   // Should NEVER be
-  long k = (long) key;
-  if (k < 0)
-    k = -k;
+  long k = (long) key; 
 
   int position = (int) (k % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
@@ -253,18 +306,21 @@ wxObject *wxHashTable::Delete (const long key, const int value)
        {
          wxObject *data = node->Data ();
          delete node;
+         m_count--;
          return data;
        }
       else
-       return NULL;
+       return (wxObject *) NULL;
     }
 }
 
-wxObject *wxHashTable::Delete (const long key, const char *value)
+wxObject *wxHashTable::Delete (long key, const wxChar *value)
 {
   int position = (int) (key % n);
+  if (position < 0) position = -position;
+
   if (!hash_table[position])
-    return NULL;
+    return (wxObject *) NULL;
   else
     {
       wxNode *node = hash_table[position]->Find (value);
@@ -272,19 +328,20 @@ wxObject *wxHashTable::Delete (const long key, const char *value)
        {
          wxObject *data = node->Data ();
          delete node;
+         m_count--;
          return data;
        }
       else
-       return NULL;
+       return (wxObject *) NULL;
     }
 }
 
-long wxHashTable::MakeKey (const char *string) const
+long wxHashTable::MakeKey (const wxChar *string) const
 {
   long int_key = 0;
 
   while (*string)
-    int_key += (unsigned char) *string++;
+    int_key += (wxUChar) *string++;
 
   return int_key;
 }
@@ -292,12 +349,12 @@ long wxHashTable::MakeKey (const char *string) const
 void wxHashTable::BeginFind (void)
 {
   current_position = -1;
-  current_node = NULL;
+  current_node = (wxNode *) NULL;
 }
 
 wxNode *wxHashTable::Next (void)
 {
-  wxNode *found = NULL;
+  wxNode *found = (wxNode *) NULL;
   bool end = FALSE;
   while (!end && !found)
     {
@@ -307,7 +364,7 @@ wxNode *wxHashTable::Next (void)
          if (current_position >= n)
            {
              current_position = -1;
-             current_node = NULL;
+             current_node = (wxNode *) NULL;
              end = TRUE;
            }
          else
@@ -328,9 +385,10 @@ wxNode *wxHashTable::Next (void)
   return found;
 }
 
-void wxHashTable::DeleteContents (const bool flag)
+void wxHashTable::DeleteContents (bool flag)
 {
   int i;
+  m_deleteContents = flag;
   for (i = 0; i < n; i++)
     {
       if (hash_table[i])
@@ -346,5 +404,6 @@ void wxHashTable::Clear (void)
       if (hash_table[i])
        hash_table[i]->Clear ();
     }
+  m_count = 0;
 }