// Modified by: VZ at 25.02.00: type safe hashes with WX_DECLARE_HASH()
// Created: 01/02/97
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
+// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "hash.h"
#endif
#include "wx/hash.h"
+#if !wxUSE_STL
+
#include <string.h>
#include <stdarg.h>
wxNodeBase *wxHashTableBase::GetNode(long key, long value) const
{
- size_t slot = (size_t)abs(key % m_hashSize);
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
wxNodeBase *node;
if ( m_hashTable[slot] )
return node;
}
+#if WXWIN_COMPATIBILITY_2_4
+
+// ----------------------------------------------------------------------------
+// wxHashTableLong
+// ----------------------------------------------------------------------------
+
+wxHashTableLong::~wxHashTableLong()
+{
+ Destroy();
+}
+
+void wxHashTableLong::Init(size_t size)
+{
+ m_hashSize = size;
+ m_values = new wxArrayLong *[size];
+ m_keys = new wxArrayLong *[size];
+
+ for ( size_t n = 0; n < m_hashSize; n++ )
+ {
+ m_values[n] =
+ m_keys[n] = (wxArrayLong *)NULL;
+ }
+
+ m_count = 0;
+}
+
+void wxHashTableLong::Create(size_t size)
+{
+ Init(size);
+}
+
+void wxHashTableLong::Destroy()
+{
+ for ( size_t n = 0; n < m_hashSize; n++ )
+ {
+ delete m_values[n];
+ delete m_keys[n];
+ }
+
+ delete [] m_values;
+ delete [] m_keys;
+ m_hashSize = 0;
+ m_count = 0;
+}
+
+void wxHashTableLong::Put(long key, long value)
+{
+ wxCHECK_RET( m_hashSize, _T("must call Create() first") );
+
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
+
+ if ( !m_keys[slot] )
+ {
+ m_keys[slot] = new wxArrayLong;
+ m_values[slot] = new wxArrayLong;
+ }
+
+ m_keys[slot]->Add(key);
+ m_values[slot]->Add(value);
+
+ m_count++;
+}
+
+long wxHashTableLong::Get(long key) const
+{
+ wxCHECK_MSG( m_hashSize, wxNOT_FOUND, _T("must call Create() first") );
+
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
+
+ wxArrayLong *keys = m_keys[slot];
+ if ( keys )
+ {
+ size_t count = keys->GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( keys->Item(n) == key )
+ {
+ return m_values[slot]->Item(n);
+ }
+ }
+ }
+
+ return wxNOT_FOUND;
+}
+
+long wxHashTableLong::Delete(long key)
+{
+ wxCHECK_MSG( m_hashSize, wxNOT_FOUND, _T("must call Create() first") );
+
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
+
+ wxArrayLong *keys = m_keys[slot];
+ if ( keys )
+ {
+ size_t count = keys->GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( keys->Item(n) == key )
+ {
+ long val = m_values[slot]->Item(n);
+
+ keys->RemoveAt(n);
+ m_values[slot]->RemoveAt(n);
+
+ m_count--;
+
+ return val;
+ }
+ }
+ }
+
+ return wxNOT_FOUND;
+}
+
+// ----------------------------------------------------------------------------
+// wxStringHashTable: more efficient than storing strings in a list
+// ----------------------------------------------------------------------------
+
+wxStringHashTable::wxStringHashTable(size_t sizeTable)
+{
+ m_keys = new wxArrayLong *[sizeTable];
+ m_values = new wxArrayString *[sizeTable];
+
+ m_hashSize = sizeTable;
+ for ( size_t n = 0; n < m_hashSize; n++ )
+ {
+ m_values[n] = (wxArrayString *)NULL;
+ m_keys[n] = (wxArrayLong *)NULL;
+ }
+}
+
+wxStringHashTable::~wxStringHashTable()
+{
+ Destroy();
+}
+
+void wxStringHashTable::Destroy()
+{
+ for ( size_t n = 0; n < m_hashSize; n++ )
+ {
+ delete m_values[n];
+ delete m_keys[n];
+ }
+
+ delete [] m_values;
+ delete [] m_keys;
+ m_hashSize = 0;
+}
+
+void wxStringHashTable::Put(long key, const wxString& value)
+{
+ wxCHECK_RET( m_hashSize, _T("must call Create() first") );
+
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
+
+ if ( !m_keys[slot] )
+ {
+ m_keys[slot] = new wxArrayLong;
+ m_values[slot] = new wxArrayString;
+ }
+
+ m_keys[slot]->Add(key);
+ m_values[slot]->Add(value);
+}
+
+wxString wxStringHashTable::Get(long key, bool *wasFound) const
+{
+ wxCHECK_MSG( m_hashSize, _T(""), _T("must call Create() first") );
+
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
+
+ wxArrayLong *keys = m_keys[slot];
+ if ( keys )
+ {
+ size_t count = keys->GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( keys->Item(n) == key )
+ {
+ if ( wasFound )
+ *wasFound = TRUE;
+
+ return m_values[slot]->Item(n);
+ }
+ }
+ }
+
+ if ( wasFound )
+ *wasFound = FALSE;
+
+ return _T("");
+}
+
+bool wxStringHashTable::Delete(long key) const
+{
+ wxCHECK_MSG( m_hashSize, FALSE, _T("must call Create() first") );
+
+ size_t slot = (size_t)abs((int)(key % (long)m_hashSize));
+
+ wxArrayLong *keys = m_keys[slot];
+ if ( keys )
+ {
+ size_t count = keys->GetCount();
+ for ( size_t n = 0; n < count; n++ )
+ {
+ if ( keys->Item(n) == key )
+ {
+ keys->RemoveAt(n);
+ m_values[slot]->RemoveAt(n);
+ return TRUE;
+ }
+ }
+ }
+
+ return FALSE;
+}
+
+#endif // WXWIN_COMPATIBILITY_2_4
+
// ----------------------------------------------------------------------------
// old not type safe wxHashTable
// ----------------------------------------------------------------------------
void wxHashTable::DoCopy(const wxHashTable& table)
{
n = table.n;
+ m_count = table.m_count;
current_position = table.current_position;
current_node = NULL; // doesn't matter - Next() will reconstruct it
key_type = table.key_type;
if (!hash_table[position])
{
- hash_table[position] = new wxList (wxKEY_INTEGER);
+ hash_table[position] = new wxList (wxKEY_STRING);
if (m_deleteContents) hash_table[position]->DeleteContents(TRUE);
}
{
wxNode *node = hash_table[position]->Find (value);
if (node)
- return node->Data ();
+ return node->GetData ();
else
return (wxObject *) NULL;
}
{
wxNode *node = hash_table[position]->Find (value);
if (node)
- return node->Data ();
+ return node->GetData ();
else
return (wxObject *) NULL;
}
else
{
wxNode *node = hash_table[position]->Find (k);
- return node ? node->Data () : (wxObject*)NULL;
+ return node ? node->GetData () : (wxObject*)NULL;
}
}
else
{
wxNode *node = hash_table[position]->Find (key);
- return node ? node->Data () : (wxObject*)NULL;
+ return node ? node->GetData () : (wxObject*)NULL;
}
}
wxNode *node = hash_table[position]->Find (k);
if (node)
{
- wxObject *data = node->Data ();
+ wxObject *data = node->GetData ();
delete node;
m_count--;
return data;
wxNode *node = hash_table[position]->Find (key);
if (node)
{
- wxObject *data = node->Data ();
+ wxObject *data = node->GetData ();
delete node;
m_count--;
return data;
wxNode *node = hash_table[position]->Find (value);
if (node)
{
- wxObject *data = node->Data ();
+ wxObject *data = node->GetData ();
delete node;
m_count--;
return data;
wxNode *node = hash_table[position]->Find (value);
if (node)
{
- wxObject *data = node->Data ();
+ wxObject *data = node->GetData ();
delete node;
m_count--;
return data;
{
if (hash_table[current_position])
{
- current_node = hash_table[current_position]->First ();
+ current_node = hash_table[current_position]->GetFirst ();
found = current_node;
}
}
}
else
{
- current_node = current_node->Next ();
+ current_node = current_node->GetNext ();
found = current_node;
}
}
void wxHashTable::Clear ()
{
- int i;
- for (i = 0; i < n; i++)
+ int i;
+ if (hash_table)
{
- if (hash_table[i])
- hash_table[i]->Clear ();
+ for (i = 0; i < n; i++)
+ {
+ if (hash_table[i])
+ hash_table[i]->Clear ();
+ }
}
m_count = 0;
}
+#endif // !wxUSE_STL
projects / wxWidgets.git / blobdiff