pdns/zoneparser-tng.hh

   1 /*
   2     PowerDNS Versatile Database Driven Nameserver
   3     Copyright (C) 2005 - 2007 PowerDNS.COM BV
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License version 2
   7     as published by the Free Software Foundation
   8
   9     Additionally, the license of this program contains a special
  10     exception which allows to distribute the program in binary form when
  11     it is linked against OpenSSL.
  12
  13     This program is distributed in the hope that it will be useful,
  14     but WITHOUT ANY WARRANTY; without even the implied warranty of
  15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16     GNU General Public License for more details.
  17
  18     You should have received a copy of the GNU General Public License
  19     along with this program; if not, write to the Free Software
  20     Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21 */
  22
  23 #ifndef PDNS_ZONEPARSER_TNG
  24 #define PDNS_ZONEPARSER_TNG
  25 #include <string>
  26 #include <cstdio>
  27 #include <stdexcept>
  28 #include <stack>
  29
  30 #include "namespaces.hh"
  31
  32 class ZoneParserTNG
  33 {
  34 public:
  35   ZoneParserTNG(const string& fname, const string& zname="", const string& reldir="");
  36
  37   ~ZoneParserTNG();
  38   bool get(DNSResourceRecord& rr, std::string* comment=0);
  39   typedef runtime_error exception;
  40   typedef deque<pair<string::size_type, string::size_type> > parts_t;
  41 private:
  42   bool getLine();
  43   bool getTemplateLine();
  44   void stackFile(const std::string& fname);
  45   unsigned makeTTLFromZone(const std::string& str);
  46   string getLineOfFile();
  47   string d_reldir;
  48   string d_line;
  49   string d_prevqname;
  50   string d_zonename;
  51   int d_defaultttl;
  52   bool d_havedollarttl;
  53   uint32_t d_templatecounter, d_templatestop, d_templatestep;
  54   string d_templateline;
  55   parts_t d_templateparts;
  56
  57   struct filestate {
  58     filestate(FILE* fp, string filename) : d_fp(fp), d_filename(filename), d_lineno(0){}
  59     FILE *d_fp;
  60     string d_filename;
  61     int d_lineno;
  62   };
  63   std::stack<filestate> d_filestates;
  64 };
  65
  66 #endif