XrdOssPath.hh

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#ifndef _OSS_PATH_H
#define _OSS_PATH_H
/******************************************************************************/
/*                                                                            */
/*                         X r d O s s P a t h . h h                          */
/*                                                                            */
/* (c) 2008 by the Board of Trustees of the Leland Stanford, Jr., University  */
/*                            All Rights Reserved                             */
/*   Produced by Andrew Hanushevsky for Stanford University under contract    */
/*              DE-AC02-76-SFO0515 with the Department of Energy              */
/*                                                                            */
/* This file is part of the XRootD software suite.                            */
/*                                                                            */
/* XRootD is free software: you can redistribute it and/or modify it under    */
/* the terms of the GNU Lesser General Public License as published by the     */
/* Free Software Foundation, either version 3 of the License, or (at your     */
/* option) any later version.                                                 */
/*                                                                            */
/* XRootD 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 Lesser General Public       */
/* License for more details.                                                  */
/*                                                                            */
/* You should have received a copy of the GNU Lesser General Public License   */
/* along with XRootD in a file called COPYING.LESSER (LGPL license) and file  */
/* COPYING (GPL license).  If not, see <http://www.gnu.org/licenses/>.        */
/*                                                                            */
/* The copyright holder's institutional names and contributor's names may not */
/* be used to endorse or promote products derived from this software without  */
/* specific prior written permission of the institution or contributor.       */
/******************************************************************************/

#include <string.h>

class XrdOssPath
{
public:

struct fnInfo
{
const char *Path;
const char *Sfx; // Of length sfxLen!
      char *Slash;
      int   Plen;
};

static const char xChar  = '%';

static const int  sfxLen = 4;

static int   Convert(char *dst, int dln, const char *oldP, const char *newP);

static
const  char *Extract(char *path, char *lbuf, int &lbsz);

static char *genPath(const char *inPath, const char *cgrp, char *sfx);

static char *genPFN(fnInfo &Info, char *buff, int blen, const char *Path=0);

static char *genPFN(char *dst, int dln, const char *src);

static int   getCname(const char *path, char *Cache, char *lbuf=0, int lbsz=0);

static
inline int   isXA(const char *path) {return path[strlen(path)-1] == xChar;}

enum theSfx {isBase =0, isAnew =1,
             sfxMigF=1, isFail=2,  isLock =3, isPin =4, sfxMigL=4,
             sfxMemF=4, isMkeep=5, isMlock=6, isMmap=7, sfxMemL=7,
             isPfn=8,   sfxLast=8, sfxNum =9
            };

static
const char *Sfx[sfxNum];

static const int chkMem = 0x01;
static const int chkMig = 0x02;
static const int chkPfn = 0x04;
static const int chkAll = 0x07;

static theSfx pathType(const char *Path, int chkWhat=chkAll);

static void  Trim2Base(char *eP);

             XrdOssPath() {}
            ~XrdOssPath() {}

private:
static char *bin2hex(char *inbuff, int dlen, char *buff);
static int   Init(char *pfnPfx);
static char *posCname(char *lbuf, int lbsz, int &cnsz);

static char h2c[16];
};
#endif