/////////////////////////////////////////////////////////////////////////////
-// Name: hashmap.cpp
+// Name: src/common/hashmap.cpp
// Purpose: wxHashMap implementation
// Author: Mattia Barbon
// Modified by:
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "hashmap.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#include "wx/hashmap.h"
/* from requirements by Colin Plumb. */
/* (http://burtleburtle.net/bob/hash/doobs.html) */
/* adapted from Perl sources ( hv.h ) */
-unsigned long wxStringHash::wxCharStringHash( const wxChar* k )
+template<typename T>
+static unsigned long DoStringHash(T *k)
{
unsigned long hash = 0;
return hash + (hash << 15);
}
-#if wxUSE_UNICODE
-unsigned long wxStringHash::charStringHash( const char* k )
-{
- unsigned long hash = 0;
+unsigned long wxStringHash::stringHash( const char* k )
+ { return DoStringHash(k); }
- while( *k )
- {
- hash += *k++;
- hash += (hash << 10);
- hash ^= (hash >> 6);
- }
- hash += (hash << 3);
- hash ^= (hash >> 11);
+unsigned long wxStringHash::stringHash( const wchar_t* k )
+ { return DoStringHash(k); }
- return hash + (hash << 15);
-}
-#endif
+
+#if !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)
/* from SGI STL */
const unsigned long _wxHashTableBase2::ms_primes[prime_count] =
size_t srcBuckets,
_wxHashTableBase2* dst,
_wxHashTable_NodeBase** dstTable,
- size_t dstBuckets,
BucketFromNode func, ProcessNode proc )
{
- // for compatibility with wxHashTable (to avoid reimplementig it
- // from scratch), we need to preserve the order of nodes in a
- // source bucket when copying the table, hence, to avoid
- // allocating an auxiliary table we use a circular list for each
- // bucket, and we keep the *tail* of each list in dstTable[i], to
- // be able to append nodes in O(1) time. Wen we're done copying,
- // we adjust dstTable[i] to point at the head of the list and we
- // break the circular list into a linear one.
- size_t i;
-
- for( i = 0; i < srcBuckets; ++i )
+ for( size_t i = 0; i < srcBuckets; ++i )
{
_wxHashTable_NodeBase* nextnode;
nextnode = node->m_nxt;
_wxHashTable_NodeBase* newnode = proc( node );
- if( dstTable[bucket] )
- {
- newnode->m_nxt = dstTable[bucket]->m_nxt; // head of the list
- dstTable[bucket]->m_nxt = newnode;
- dstTable[bucket] = newnode;
- }
- else
- dstTable[bucket] = newnode->m_nxt = newnode;
- }
- }
-
- for( i = 0; i < dstBuckets; ++i )
- {
- if( dstTable[i] )
- {
- _wxHashTable_NodeBase* tmp = dstTable[i];
- dstTable[i] = dstTable[i]->m_nxt;
- tmp->m_nxt = NULL;
+ newnode->m_nxt = dstTable[bucket];
+ dstTable[bucket] = newnode;
}
}
}
return node;
}
+#endif // !wxUSE_STL || !defined(HAVE_STL_HASH_MAP)