src/base/RegexPattern.h

   1 /*
   2  * Copyright (C) 1996-2018 The Squid Software Foundation and contributors
   3  *
   4  * Squid software is distributed under GPLv2+ license and includes
   5  * contributions from numerous individuals and organizations.
   6  * Please see the COPYING and CONTRIBUTORS files for details.
   7  */
   8
   9 #ifndef SQUID_SRC_BASE_REGEXPATTERN_H
  10 #define SQUID_SRC_BASE_REGEXPATTERN_H
  11
  12 #include "compat/GnuRegex.h"
  13 #include "mem/forward.h"
  14
  15 /**
  16  * A regular expression,
  17  * plain text and compiled representations
  18  */
  19 class RegexPattern
  20 {
  21     MEMPROXY_CLASS(RegexPattern);
  22
  23 public:
  24     RegexPattern() = delete;
  25     RegexPattern(int aFlags, const char *aPattern);
  26     ~RegexPattern();
  27
  28     // regex type varies by library, usually not safe to copy
  29     RegexPattern(const RegexPattern &) = delete;
  30     RegexPattern &operator =(const RegexPattern &) = delete;
  31
  32     RegexPattern(RegexPattern &&);
  33     RegexPattern &operator =(RegexPattern &&);
  34
  35     const char * c_str() const {return pattern;}
  36     bool match(const char *str) const {return regexec(&regex,str,0,NULL,0)==0;}
  37
  38 public:
  39     int flags;
  40     regex_t regex;
  41
  42 private:
  43     char *pattern;
  44 };
  45
  46 #endif /* SQUID_SRC_BASE_REGEXPATTERN_H */
  47