filter.hh

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00001 // filter.hh - source file for the mailfilter program
00002 // Copyright (c) 2000 - 2005  Andreas Bauer <baueran@in.tum.de>
00003 //
00004 // This program is free software; you can redistribute it and/or modify
00005 // it under the terms of the GNU General Public License as published by
00006 // the Free Software Foundation; either version 2 of the License, or
00007 // (at your option) any later version.
00008 //
00009 // This program 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
00012 // GNU General Public License for more details.
00013 //
00014 // You should have received a copy of the GNU General Public License
00015 // along with this program; if not, write to the Free Software
00016 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
00017 // USA.
00018 
00019 #ifndef FILTER_HH
00020 #define FILTER_HH
00021 
00022 #include <string>
00023 extern "C" {
00024 #include <regex.h>
00025 #include <sys/types.h> 
00026 }
00027 
00028 // Filter modes
00029 #define CASE_DEFAULT       REG_ICASE
00030 #define CASE_SENSITIVE     0
00031 #define CASE_INSENSITIVE   REG_ICASE
00032 
00033 using namespace std;
00034 
00035 class Filter
00036 {
00037 private:
00038   string         expr;
00039   regex_t        comp_expr;
00040   regex_t        comp_normal_expr;
00041   // Values can be CASE_SENSITIVE, CASE_INSENSITIVE, or CASE_DEFAULT:
00042   int            case_sensitivity;
00043   bool           negativity;
00044   bool           compiled;
00045 
00046 public:
00047                  Filter          (void);
00048                  ~Filter         (void);
00049   string         expression      (void) const;
00050   void           set_expression  (const char*);
00051   int            compile         (void);
00052   void           set_negativity  (bool);
00053   bool           is_negative     (void) const;
00054   int            ccase           (void) const;
00055   void           set_case        (int);
00056   const regex_t* comp_exp        (void) const;
00057 };
00058 
00059 #endif

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