/usr/include/crystalspace-2.0/cstool/bitmasktostr.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | /*
Copyright (C) 2005 by Jorrit Tyberghein
(C) 2005 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_BITMASKTOSTR_H__
#define __CS_CSTOOL_BITMASKTOSTR_H__
/**\file
* Small helper to get a "pretty" string for a combination of bit masks.
*/
#include "csutil/csstring.h"
/**
* \addtogroup util
* @{ */
/**
* Small helper to get a "pretty" string for a combination of bit masks.
*/
class CS_CRYSTALSPACE_EXPORT csBitmaskToString
{
public:
/// Structure containing a name for possible bit masks.
struct MaskNames
{
/// Bit mask
uint bits;
/// Name of the mask. Emitted when \a bits are set in a given mask.
const char* name;
};
/// string used to store the prettified strings.
CS_DECLARE_STATIC_CLASSVAR_REF(scratch, GetScratch, csString)
/**
* Retrieve "pretty" string for value composed of bit masks ORed together.
* \param mask The value for which a string should be retrieved.
* \param names Table with bitmask-to-name mappings. Last entry must be
* {0, 0}.
* \remarks The returned string is only valid until the next call to
* GetStr().
*/
static const char* GetStr (uint mask, const MaskNames* names)
{
if (mask == 0)
return "0";
GetScratch().Clear();
while (names->bits != 0)
{
if (mask & names->bits)
{
GetScratch() << " | " << names->name;
mask &= ~names->bits;
}
names++;
}
if (mask != 0)
{
GetScratch().AppendFmt (" | %#x", mask);
}
return GetScratch().GetData() + 3;
}
};
/**
* Helper macro to begin a bitmask-to-name table suitable for
* csBitmaskToString::GetStr();
*/
#define CS_BITMASKTOSTR_MASK_TABLE_BEGIN(tableName) \
static const csBitmaskToString::MaskNames tableName[] = {
/**
* Helper macro to add an entry to a bitmask-to-name table that is a
* \#define.
*/
#define CS_BITMASKTOSTR_MASK_TABLE_DEFINE(def) \
{def, #def},
/// Helper macro to enf a bitmask-to-name table.
#define CS_BITMASKTOSTR_MASK_TABLE_END \
{0, 0} \
}
/** @}*/
#endif // __CS_CSTOOL_BITMASKTOSTR_H__
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