ceph/src/rgw/rgw_tag.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab ft=cpp
   3
   4 #pragma once
   5
   6 #include <string>
   7 #include <include/types.h>
   8 #include <map>
   9
  10 class RGWObjTags
  11 {
  12 public:
  13   using tag_map_t = std::multimap <std::string, std::string>;
  14
  15 protected:
  16   tag_map_t tag_map;
  17
  18   uint32_t max_obj_tags{10};
  19   static constexpr uint32_t max_tag_key_size{128};
  20   static constexpr uint32_t max_tag_val_size{256};
  21
  22  public:
  23   RGWObjTags() = default;
  24   RGWObjTags(uint32_t max_obj_tags):max_obj_tags(max_obj_tags) {}
  25
  26   void encode(bufferlist& bl) const {
  27     ENCODE_START(1,1,bl);
  28     encode(tag_map, bl);
  29     ENCODE_FINISH(bl);
  30   }
  31
  32   void decode(bufferlist::const_iterator &bl) {
  33     DECODE_START_LEGACY_COMPAT_LEN(1, 1, 1, bl);
  34     decode(tag_map,bl);
  35     DECODE_FINISH(bl);
  36   }
  37
  38   void dump(Formatter *f) const;
  39   void add_tag(const std::string& key, const std::string& val="");
  40   void emplace_tag(std::string&& key, std::string&& val);
  41   int check_and_add_tag(const std::string& key, const std::string& val="");
  42   size_t count() const {return tag_map.size();}
  43   int set_from_string(const std::string& input);
  44   void clear() { tag_map.clear(); }
  45   bool empty() const noexcept { return tag_map.empty(); }
  46   const tag_map_t& get_tags() const {return tag_map;}
  47   tag_map_t& get_tags() {return tag_map;}
  48 };
  49 WRITE_CLASS_ENCODER(RGWObjTags)