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# cstool/identstrings.h

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    00001 /*
    00002     Copyright (C) 2004 by Jorrit Tyberghein
    00003               (C) 2004 by Frank Richter
    00004
    00005     This library is free software; you can redistribute it and/or
    00006     modify it under the terms of the GNU Library General Public
    00007     License as published by the Free Software Foundation; either
    00008     version 2 of the License, or (at your option) any later version.
    00009
    00010     This library is distributed in the hope that it will be useful,
    00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00013     Library General Public License for more details.
    00014
    00015     You should have received a copy of the GNU Library General Public
    00016     License along with this library; if not, write to the Free
    00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00018 */
    00019
    00020 #ifndef __CS_CSTOOL_IDENTSTRINGS_H__
    00021 #define __CS_CSTOOL_IDENTSTRINGS_H__
    00022
    00023 #include "csutil/csstring.h"
    00024
    00032 class csIdentStrings
    00033 {
    00034 public:
    00035   struct csIdentString
    00036   {
    00037     int ident;
    00038     const char* str;
    00039   };
    00040 protected:
    00041   const csIdentString* strings;
    00042   size_t stringCount;
    00043   csString* scratch;
    00044 public:
    00045   csIdentStrings (const csIdentString* str, csString* scratch, size_t cnt) :
    00046     strings(str), stringCount(cnt), scratch(scratch) { }
    00052   const char* StringForIdent (int ident)
    00053   {
    00054     size_t l = 0, r = stringCount;
    00055     while (l < r)
    00056     {
    00057       size_t m = (l+r) / 2;
    00058       if (strings[m].ident == ident)
    00059       {
    00060         return strings[m].str;
    00061       }
    00062       else if (strings[m].ident < ident)
    00063       {
    00064         l = m + 1;
    00065       }
    00066       else
    00067       {
    00068         r = m;
    00069       }
    00070     }
    00071     scratch->Format ("%d", ident);
    00072     return scratch->GetData();
    00073   }
    00074 };
    00075
    00092 #define CS_IDENT_STRING_LIST(ListName)                                  \
    00093   static const csIdentStrings::csIdentString ListName##_strings[] = {
    00094
    00098 #define CS_IDENT_STRING(Ident)                          {Ident, #Ident},
    00099
    00103 #define CS_IDENT_STRING_EXPLICIT(Ident, Str)            {Ident, str},
    00104
    00107 #define CS_IDENT_STRING_LIST_END(ListName)                              \
    00108     {0, 0}                                                              \
    00109   };                                                                    \
    00110   CS_IMPLEMENT_STATIC_VAR(Get##ListName##Scratch, csString, ())         \
    00111   static csIdentStrings ListName (ListName##_strings,                   \
    00112     Get##ListName##Scratch(),                                           \
    00113     (sizeof (ListName##_strings) / sizeof (csIdentStrings::csIdentString)) - 1);
    00114
    00115 #endif // __CS_CSTOOL_IDENTSTRINGS_H__