livestatus/src/RendererBrokenCSV.h

   1 // +------------------------------------------------------------------+
   2 // |             ____ _               _        __  __ _  __           |
   3 // |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   4 // |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   5 // |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   6 // |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   7 // |                                                                  |
   8 // | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
   9 // +------------------------------------------------------------------+
  10 //
  11 // This file is part of Check_MK.
  12 // The official homepage is at http://mathias-kettner.de/check_mk.
  13 //
  14 // check_mk is free software;  you can redistribute it and/or modify it
  15 // under the  terms of the  GNU General Public License  as published by
  16 // the Free Software Foundation in version 2.  check_mk is  distributed
  17 // in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  18 // out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  19 // PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  20 // tails. You should have  received  a copy of the  GNU  General Public
  21 // License along with GNU Make; see the file  COPYING.  If  not,  write
  22 // to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  23 // Boston, MA 02110-1301 USA.
  24
  25 #ifndef RendererBrokenCSV_h
  26 #define RendererBrokenCSV_h
  27
  28 #include "config.h"  // IWYU pragma: keep
  29 #include <iosfwd>
  30 #include <string>
  31 #include <utility>
  32 #include <vector>
  33 #include "Renderer.h"
  34 #include "data_encoding.h"
  35 class Logger;
  36
  37 class CSVSeparators {
  38 public:
  39     CSVSeparators(std::string dataset, std::string field, std::string list,
  40                   std::string host_service)
  41         : _dataset(std::move(dataset))
  42         , _field(std::move(field))
  43         , _list(std::move(list))
  44         , _host_service(std::move(host_service)) {}
  45
  46     std::string dataset() const { return _dataset; }
  47     std::string field() const { return _field; }
  48     std::string list() const { return _list; }
  49     std::string hostService() const { return _host_service; }
  50
  51 private:
  52     std::string _dataset;
  53     std::string _field;
  54     std::string _list;
  55     std::string _host_service;
  56 };
  57
  58 // A broken CSV renderer, just for backwards compatibility with old Livestatus
  59 // versions.
  60 class RendererBrokenCSV : public Renderer {
  61 public:
  62     RendererBrokenCSV(std::ostream& os, Logger* logger,
  63                       CSVSeparators separators, Encoding data_encoding)
  64         : Renderer(os, logger, data_encoding)
  65         , _separators(std::move(separators)) {}
  66
  67     void outputNull() override;
  68     void outputBlob(const std::vector<char>& value) override;
  69     void outputString(const std::string& value) override;
  70
  71     void beginQuery() override;
  72     void separateQueryElements() override;
  73     void endQuery() override;
  74
  75     void beginRow() override;
  76     void beginRowElement() override;
  77     void endRowElement() override;
  78     void separateRowElements() override;
  79     void endRow() override;
  80
  81     void beginList() override;
  82     void separateListElements() override;
  83     void endList() override;
  84
  85     void beginSublist() override;
  86     void separateSublistElements() override;
  87     void endSublist() override;
  88
  89     void beginDict() override;
  90     void separateDictElements() override;
  91     void separateDictKeyValue() override;
  92     void endDict() override;
  93
  94 private:
  95     const CSVSeparators _separators;
  96 };
  97
  98 #endif  // RendererBrokenCSV_h