include/json_print.h

   1 /*
   2  * json_print.h         "print regular or json output, based on json_writer".
   3  *
   4  *             This program is free software; you can redistribute it and/or
   5  *             modify it under the terms of the GNU General Public License
   6  *             as published by the Free Software Foundation; either version
   7  *             2 of the License, or (at your option) any later version.
   8  *
   9  * Authors:    Julien Fortin, <julien@cumulusnetworks.com>
  10  */
  11
  12 #ifndef _JSON_PRINT_H_
  13 #define _JSON_PRINT_H_
  14
  15 #include "json_writer.h"
  16 #include "color.h"
  17
  18 json_writer_t *get_json_writer(void);
  19
  20 /*
  21  * use:
  22  *      - PRINT_ANY for context based output
  23  *      - PRINT_FP for non json specific output
  24  *      - PRINT_JSON for json specific output
  25  */
  26 enum output_type {
  27         PRINT_FP = 1,
  28         PRINT_JSON = 2,
  29         PRINT_ANY = 4,
  30 };
  31
  32 void new_json_obj(int json);
  33 void delete_json_obj(void);
  34
  35 bool is_json_context(void);
  36
  37 void fflush_fp(void);
  38
  39 void open_json_object(const char *str);
  40 void close_json_object(void);
  41 void open_json_array(enum output_type type, const char *delim);
  42 void close_json_array(enum output_type type, const char *delim);
  43
  44 #define _PRINT_FUNC(type_name, type)                                    \
  45         void print_color_##type_name(enum output_type t,                \
  46                                      enum color_attr color,             \
  47                                      const char *key,                   \
  48                                      const char *fmt,                   \
  49                                      type value);                       \
  50                                                                         \
  51         static inline void print_##type_name(enum output_type t,        \
  52                                              const char *key,           \
  53                                              const char *fmt,           \
  54                                              type value)                \
  55         {                                                               \
  56                 print_color_##type_name(t, COLOR_CLEAR, key, fmt, value);       \
  57         }
  58 _PRINT_FUNC(int, int);
  59 _PRINT_FUNC(bool, bool);
  60 _PRINT_FUNC(null, const char*);
  61 _PRINT_FUNC(string, const char*);
  62 _PRINT_FUNC(uint, uint64_t);
  63 _PRINT_FUNC(hu, unsigned short);
  64 _PRINT_FUNC(hex, unsigned int);
  65 _PRINT_FUNC(0xhex, unsigned int);
  66 _PRINT_FUNC(lluint, unsigned long long int);
  67 #undef _PRINT_FUNC
  68
  69 #endif /* _JSON_PRINT_H_ */