index 9f72e3ab2f5fb547da371473cc30e87e8b47887b..8aaa522a45bae64530243a8fa031f42b4b035b4f 100644 (file)
--- a/src/shared/hashtable.pas
+++ b/src/shared/hashtable.pas
type
THashIntInt = specialize THashBase<Integer, Integer>;
THashStrInt = specialize THashBase<AnsiString, Integer>;
+ THashStrStr = specialize THashBase<AnsiString, AnsiString>;
function hashNewIntInt (): THashIntInt;
function hashNewStrInt (): THashStrInt;
+function hashNewStrStr (): THashStrStr;
function u32Hash (a: LongWord): LongWord; inline;
function nextPOT (x: LongWord): LongWord; inline;
+// for integer keys
+function hiiequ (constref a, b: Integer): Boolean;
+function hiihash (constref k: Integer): LongWord;
+function hsiequ (constref a, b: AnsiString): Boolean;
+function hsihash (constref k: AnsiString): LongWord;
+
+
implementation
uses
@@ -204,7 +213,7 @@ function hsiequ (constref a, b: AnsiString): Boolean; begin result := (a = b); e
{$RANGECHECKS OFF}
function hiihash (constref k: Integer): LongWord;
begin
- result := k;
+ result := LongWord(k);
result -= (result shl 6);
result := result xor (result shr 17);
result -= (result shl 9);
end;
+function hashNewStrStr (): THashStrStr;
+begin
+ result := THashStrStr.Create(hsihash, hsiequ);
+end;
+
+
// ////////////////////////////////////////////////////////////////////////// //
{$PUSH}
{$RANGECHECKS OFF}