dmd2/stringtable.h

   1 // Copyright (c) 1999-2008 by Digital Mars
   2 // All Rights Reserved
   3 // written by Walter Bright
   4 // http://www.digitalmars.com
   5 // License for redistribution is by either the Artistic License
   6 // in artistic.txt, or the GNU General Public License in gnu.txt.
   7 // See the included readme.txt for details.
   8
   9
  10 #ifndef STRINGTABLE_H
  11 #define STRINGTABLE_H
  12
  13 #if __SC__
  14 #pragma once
  15 #endif
  16
  17 #include "root.h"
  18 #include "dchar.h"
  19 #include "lstring.h"
  20
  21 struct StringValue
  22 {
  23     union
  24     {   int intvalue;
  25         void *ptrvalue;
  26         dchar *string;
  27     };
  28     Lstring lstring;
  29 };
  30
  31 struct StringTable : Object
  32 {
  33     void **table;
  34     unsigned count;
  35     unsigned tabledim;
  36
  37     StringTable(unsigned size = 37);
  38     ~StringTable();
  39
  40     StringValue *lookup(const dchar *s, unsigned len);
  41     StringValue *insert(const dchar *s, unsigned len);
  42     StringValue *update(const dchar *s, unsigned len);
  43
  44 private:
  45     void **search(const dchar *s, unsigned len);
  46 };
  47
  48 #endif