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# csutil/util.h

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    00001 /*
    00002     Copyright (C) 1998 by Jorrit Tyberghein
    00003
    00004     This library is free software; you can redistribute it and/or
    00005     modify it under the terms of the GNU Library General Public
    00006     License as published by the Free Software Foundation; either
    00007     version 2 of the License, or (at your option) any later version.
    00008
    00009     This library is distributed in the hope that it will be useful,
    00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
    00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    00012     Library General Public License for more details.
    00013
    00014     You should have received a copy of the GNU Library General Public
    00015     License along with this library; if not, write to the Free
    00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
    00017 */
    00018
    00019 #ifndef __CS_UTIL_H__
    00020 #define __CS_UTIL_H__
    00021
    00022 #include <stdio.h>
    00023 #include "csextern.h"
    00024 #include "csutil/csunicode.h"
    00025
    00040 CS_CRYSTALSPACE_EXPORT char *csStrNew (const char *s);
    00045 CS_CRYSTALSPACE_EXPORT char *csStrNew (const wchar_t *s);
    00049 CS_CRYSTALSPACE_EXPORT wchar_t* csStrNewW (const wchar_t *s);
    00054 CS_CRYSTALSPACE_EXPORT wchar_t* csStrNewW (const char *s);
    00055
    00062 CS_CRYSTALSPACE_EXPORT int csStrCaseCmp(char const* str1, char const* str2);
    00063
    00071 CS_CRYSTALSPACE_EXPORT int csStrNCaseCmp(char const* str1, char const* str2,
    00072   size_t n);
    00073
    00087 struct csWtoC
    00088 {
    00089 private:
    00090   char* s;
    00091 public:
    00096   csWtoC (const wchar_t* ws)
    00097   { s = csStrNew (ws); }
    00101   ~csWtoC ()
    00102   { delete[] s; }
    00106   operator const char* () const
    00107   { return s; }
    00108 };
    00109
    00117 struct csCtoW
    00118 {
    00119 private:
    00120   wchar_t* ws;
    00121 public:
    00126   csCtoW (const char* s)
    00127   { ws = csStrNewW (s); }
    00131   ~csCtoW ()
    00132   { delete[] ws; }
    00136   operator const wchar_t* () const
    00137   { return ws; }
    00138 };
    00139
    00149 CS_CRYSTALSPACE_EXPORT char *csExpandName (const char *iName);
    00150
    00154 CS_CRYSTALSPACE_EXPORT void csSplitPath (const char *iPathName, char *oPath,
    00155   size_t iPathSize, char *oName, size_t iNameSize);
    00156
    00165 CS_CRYSTALSPACE_EXPORT bool csGlobMatches (const char *fName,
    00166         const char *fMask);
    00167
    00172 CS_CRYSTALSPACE_EXPORT int csFindNearestPowerOf2 (int n);
    00173
    00175 CS_CRYSTALSPACE_EXPORT bool csIsPowerOf2 (int n);
    00176
    00178 static inline int csLog2 (int n)
    00179 {
    00180   const unsigned int b[] = {0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000};
    00181   const unsigned int S[] = {1, 2, 4, 8, 16};
    00182   int i;
    00183
    00184   register unsigned int c = 0; // result of log2(v) will go here
    00185   for (i = 4; i >= 0; i--) // unroll for speed...
    00186   {
    00187     if (n & b[i])
    00188     {
    00189       n >>= S[i];
    00190       c |= S[i];
    00191     }
    00192   }
    00193   return c;
    00194 }
    00195
    00201 CS_CRYSTALSPACE_EXPORT void csReplaceAll (char *dest, const char *src,
    00202   const char *search, const char *replace, int max);
    00203
    00210 CS_DEPRECATED_METHOD
    00211 inline void csFindReplace (char *dest, const char *src,
    00212   const char *search, const char *replace, int max)
    00213 { csReplaceAll(dest, src, search, replace, max); }
    00214
    00217 #endif // __CS_UTIL_H__