Public API Reference

cstool/identstrings.h

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/*
    Copyright (C) 2004 by Jorrit Tyberghein
              (C) 2004 by Frank Richter

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/      

#ifndef __CS_CSTOOL_IDENTSTRINGS_H__
#define __CS_CSTOOL_IDENTSTRINGS_H__

#include "csutil/csstring.h"

class csIdentStrings
{
public:
  struct csIdentString
  {
    int ident;
    const char* str;
  };
protected:
  const csIdentString* strings;
  size_t stringCount;
  csString* scratch;
public:
  csIdentStrings (const csIdentString* str, csString* scratch, size_t cnt) :
    strings(str), stringCount(cnt), scratch(scratch) { }
  const char* StringForIdent (int ident)
  {
    size_t l = 0, r = stringCount;
    while (l < r)
    {
      size_t m = (l+r) / 2;
      if (strings[m].ident == ident)
      {
        return strings[m].str;
      }
      else if (strings[m].ident < ident)
      {
        l = m + 1;
      }
      else
      {
        r = m;
      }
    }
    scratch->Format ("%d", ident);
    return scratch->GetData();
  }
};

#define CS_IDENT_STRING_LIST(ListName)                                  \
  static const csIdentStrings::csIdentString ListName##_strings[] = {

#define CS_IDENT_STRING(Ident)                          {Ident, #Ident},

#define CS_IDENT_STRING_EXPLICIT(Ident, Str)            {Ident, str},

#define CS_IDENT_STRING_LIST_END(ListName)                              \
    {0, 0}                                                              \
  };                                                                    \
  CS_IMPLEMENT_STATIC_VAR(Get##ListName##Scratch, csString, ())         \
  static csIdentStrings ListName (ListName##_strings,                   \
    Get##ListName##Scratch(),                                           \
    (sizeof (ListName##_strings) / sizeof (csIdentStrings::csIdentString)) - 1);

#endif // __CS_CSTOOL_IDENTSTRINGS_H__

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