src/ConfigOption.h

   1 /*
   2  * Copyright (C) 1996-2015 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_CONFIGOPTION_H
  10 #define SQUID_CONFIGOPTION_H
  11
  12 #include <vector>
  13
  14 class StoreEntry;
  15
  16 /* cache option parsers */
  17
  18 class ConfigOption
  19 {
  20
  21 public:
  22     virtual ~ConfigOption() {}
  23
  24     virtual bool parse(char const *option, const char *value, int reconfiguring) = 0;
  25     virtual void dump(StoreEntry * e) const = 0;
  26 };
  27
  28 class ConfigOptionVector : public ConfigOption
  29 {
  30
  31 public:
  32     virtual ~ConfigOptionVector();
  33     virtual bool parse(char const *option, const char *value, int reconfiguring);
  34     virtual void dump(StoreEntry * e) const;
  35     std::vector<ConfigOption *>options;
  36 };
  37
  38 template <class C>
  39 class ConfigOptionAdapter : public ConfigOption
  40 {
  41
  42 public:
  43     ConfigOptionAdapter(C& theObject, bool (C::*parseFP)(char const *option, const char *value, int reconfiguring), void (C::*dumpFP)(StoreEntry * e) const) : object(theObject), parser(parseFP), dumper(dumpFP) {}
  44
  45     bool parse(char const *option, const char *value, int isaReconf) {
  46         if (parser)
  47             return (object.*parser)(option, value, isaReconf);
  48
  49         return false;
  50     }
  51
  52     void dump(StoreEntry * e) const {
  53         if (dumper)
  54             (object.*dumper)(e);
  55     }
  56
  57 private:
  58     C &object;
  59     bool (C::*parser)(char const *option, const char *value, int reconfiguring) ;
  60     void (C::*dumper)(StoreEntry * e) const;
  61 };
  62
  63 #endif /* SQUID_CONFIGOPTION_H */
  64