src/external/3rd/library/perforce/include/strtable.h

   1 /*
   2  * Copyright 1995, 1996 Perforce Software.  All rights reserved.
   3  *
   4  * This file is part of Perforce - the FAST SCM System.
   5  */
   6
   7 /*
   8  * strtable.h - a string table, using StrDict interface
   9  *
  10  * Classes defined:
  11  *
  12  *      StrPtrDict - a dictionary whose values we don't own
  13  *      StrBufDict - a dictionary whose values we do own
  14  *
  15  * Public methods:
  16  *
  17  *      Clear() - reset table, making all variables unset
  18  *      GetVar() - look up variable, return value (or 0 if not set)
  19  *      SetVar() - set variable/value pair
  20  *
  21  * XXX Total dumb duplication of StrPtrDict into StrBufDict.
  22  */
  23
  24 struct StrPtrEntry;
  25 struct StrBufEntry;
  26 class VarArray;
  27
  28 class StrPtrDict : public StrDict {
  29
  30     public:
  31                         StrPtrDict();
  32                         ~StrPtrDict();
  33
  34         void            Clear()
  35                         {
  36                             tabLength = 0;
  37                         }
  38
  39         // virtuals of StrDict
  40
  41         StrPtr *        VGetVar( const StrPtr &var );
  42         void            VSetVar( const StrPtr &var, const StrPtr &val );
  43         void            VRemoveVar( const StrPtr &var );
  44         int             VGetVarX( int x, StrRef &var, StrRef &val );
  45
  46     private:
  47
  48         VarArray        *elems;
  49         int             tabSize;
  50         int             tabLength;
  51
  52 } ;
  53
  54 class StrBufDict : public StrDict {
  55
  56     public:
  57                         StrBufDict();
  58                         StrBufDict( StrDict & dict );
  59                         StrBufDict & operator =( StrDict & dict );
  60                         ~StrBufDict();
  61
  62         void            Clear()
  63                         {
  64                             tabLength = 0;
  65                         }
  66
  67         int             GetCount()
  68                         {
  69                             return tabLength;
  70                         }
  71
  72         // virtuals of StrDict
  73
  74         StrPtr *        VGetVar( const StrPtr &var );
  75         void            VSetVar( const StrPtr &var, const StrPtr &val );
  76         void            VRemoveVar( const StrPtr &var );
  77         int             VGetVarX( int x, StrRef &var, StrRef &val );
  78
  79     private:
  80
  81         void Set( StrDict & dict );
  82
  83         VarArray        *elems;
  84         int             tabSize;
  85         int             tabLength;
  86
  87 } ;
  88