/usr/include/crystalspace-2.0/cstool/identstrings.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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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"
/**\file
* Set of helper macros to obtain the names of identifiers.
*/
/**
* Helper class that contains a list of identifiers and their names.
*/
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) { }
/**
* Obtain the name of \a ident.
* \remarks The returned string is only guaranteed to be valid until the
* next StringForIdent() call.
*/
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();
}
};
/**
* Begin an identifier list. \p ListName is the identifier of the generated
* csIdentStrings object.
* <p>
* Example:
* \code
* CS_IDENT_STRING_LIST(FooNames)
* CS_IDENT_STRING(FOO_BAR)
* CS_IDENT_STRING(FOO_BAZ)
* CS_IDENT_STRING_LIST_END(FooNames)
* \endcode
* From code, use like:
* \code
* csPrintf ("%s\n", FooNames.StringForIdent (foo));
* \endcode
*/
#define CS_IDENT_STRING_LIST(ListName) \
static const csIdentStrings::csIdentString ListName##_strings[] = {
/**
* Entry in the identifier list.
* \remark The identifiers <b>*must*</b> be sorted in increasing order.
*/
#define CS_IDENT_STRING(Ident) {Ident, #Ident},
/**
* Entry in the identifier list, but with an explicitly set name.
* \remark The identifiers <b>*must*</b> be sorted in increasing order.
*/
#define CS_IDENT_STRING_EXPLICIT(Ident, Str) {Ident, str},
/**
* End an identifier list.
*/
#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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