blob: 91b34571ceb00007ac35f5d171e7cecf65d7f93b [file] [log] [blame]
* json_print.h "print regular or json output, based on json_writer".
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
* Authors: Julien Fortin, <>
#ifndef _JSON_PRINT_H_
#define _JSON_PRINT_H_
#include "json_writer.h"
#include "color.h"
#define _IS_JSON_CONTEXT(type) (is_json_context() && (type & PRINT_JSON || type & PRINT_ANY))
#define _IS_FP_CONTEXT(type) (!is_json_context() && (type & PRINT_FP || type & PRINT_ANY))
json_writer_t *get_json_writer(void);
* use:
* - PRINT_ANY for context based output
* - PRINT_FP for non json specific output
* - PRINT_JSON for json specific output
enum output_type {
void new_json_obj(int json);
void delete_json_obj(void);
void new_json_obj_plain(int json);
void delete_json_obj_plain(void);
bool is_json_context(void);
void open_json_object(const char *str);
void close_json_object(void);
void open_json_array(enum output_type type, const char *delim);
void close_json_array(enum output_type type, const char *delim);
void print_nl(void);
#define _PRINT_FUNC(type_name, type) \
int print_color_##type_name(enum output_type t, \
enum color_attr color, \
const char *key, \
const char *fmt, \
type value); \
static inline int print_##type_name(enum output_type t, \
const char *key, \
const char *fmt, \
type value) \
{ \
return print_color_##type_name(t, COLOR_NONE, key, fmt, \
value); \
/* These functions return 0 if printing to a JSON context, number of
* characters printed otherwise (as calculated by printf(3)).
_PRINT_FUNC(int, int)
_PRINT_FUNC(s64, int64_t)
_PRINT_FUNC(bool, bool)
_PRINT_FUNC(on_off, bool)
_PRINT_FUNC(null, const char*)
_PRINT_FUNC(string, const char*)
_PRINT_FUNC(uint, unsigned int)
_PRINT_FUNC(size, __u32)
_PRINT_FUNC(u64, uint64_t)
_PRINT_FUNC(hhu, unsigned char)
_PRINT_FUNC(hu, unsigned short)
_PRINT_FUNC(hex, unsigned int)
_PRINT_FUNC(0xhex, unsigned long long)
_PRINT_FUNC(luint, unsigned long)
_PRINT_FUNC(lluint, unsigned long long)
_PRINT_FUNC(float, double)
_PRINT_FUNC(tv, const struct timeval *)
#undef _PRINT_FUNC
#define _PRINT_NAME_VALUE_FUNC(type_name, type, format_char) \
void print_##type_name##_name_value(const char *name, type value) \
_PRINT_NAME_VALUE_FUNC(uint, unsigned int, u);
_PRINT_NAME_VALUE_FUNC(string, const char*, s);
int print_color_rate(bool use_iec, enum output_type t, enum color_attr color,
const char *key, const char *fmt, unsigned long long rate);
static inline int print_rate(bool use_iec, enum output_type t,
const char *key, const char *fmt,
unsigned long long rate)
return print_color_rate(use_iec, t, COLOR_NONE, key, fmt, rate);
/* A backdoor to the size formatter. Please use print_size() instead. */
char *sprint_size(__u32 sz, char *buf);
#endif /* _JSON_PRINT_H_ */