src/Packer.h

   1 /*
   2  * $Id$
   3  *
   4  *
   5  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   6  * ----------------------------------------------------------
   7  *
   8  *  Squid is the result of efforts by numerous individuals from
   9  *  the Internet community; see the CONTRIBUTORS file for full
  10  *  details.   Many organizations have provided support for Squid's
  11  *  development; see the SPONSORS file for full details.  Squid is
  12  *  Copyrighted (C) 2001 by the Regents of the University of
  13  *  California; see the COPYRIGHT file for full details.  Squid
  14  *  incorporates software developed and/or copyrighted by other
  15  *  sources; see the CREDITS file for full details.
  16  *
  17  *  This program is free software; you can redistribute it and/or modify
  18  *  it under the terms of the GNU General Public License as published by
  19  *  the Free Software Foundation; either version 2 of the License, or
  20  *  (at your option) any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful,
  23  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  24  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25  *  GNU General Public License for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software
  29  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  30  *
  31  */
  32 #ifndef SQUID_PACKER_H
  33 #define SQUID_PACKER_H
  34
  35 /* for SQUIDCEXTERN */
  36 #include "config.h"
  37
  38 /* see Packer.cc for description */
  39 class Packer;
  40
  41 /* a common objPackInto interface; used by debugObj */
  42 typedef void (*ObjPackMethod) (void *obj, Packer * p);
  43
  44 #if HAVE_STDIO_H
  45 #include <stdio.h>
  46 #endif
  47 /* append/vprintf's for Packer */
  48 typedef void (*append_f) (void *, const char *buf, int size);
  49 #if STDC_HEADERS
  50 typedef void (*vprintf_f) (void *, const char *fmt, va_list args);
  51 #else
  52 typedef void (*vprintf_f) ();
  53 #endif
  54
  55
  56 class Packer
  57 {
  58
  59 public:
  60     /* protected, use interface functions instead */
  61     append_f append;
  62     vprintf_f packer_vprintf;
  63     void *real_handler;         /* first parameter to real append and vprintf */
  64 };
  65
  66 SQUIDCEXTERN void packerClean(Packer * p);
  67 SQUIDCEXTERN void packerAppend(Packer * p, const char *buf, int size);
  68 #if STDC_HEADERS
  69 SQUIDCEXTERN void
  70 packerPrintf(Packer * p, const char *fmt,...) PRINTF_FORMAT_ARG2;
  71 #else
  72 SQUIDCEXTERN void packerPrintf();
  73 #endif
  74
  75 #endif /* SQUID_PACKER_H */