tools/net/ynl/ynltool/json_writer.h

Source file repositories/reference/linux-study-clean/tools/net/ynl/ynltool/json_writer.h

File Facts

System
Linux kernel
Corpus path
tools/net/ynl/ynltool/json_writer.h
Extension
.h
Size
2710 bytes
Lines
76
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _JSON_WRITER_H_
#define _JSON_WRITER_H_

#include <stdbool.h>
#include <stdint.h>
#include <stdarg.h>
#include <stdio.h>

/* Opaque class structure */
typedef struct json_writer json_writer_t;

/* Create a new JSON stream */
json_writer_t *jsonw_new(FILE *f);
/* End output to JSON stream */
void jsonw_destroy(json_writer_t **self_p);

/* Cause output to have pretty whitespace */
void jsonw_pretty(json_writer_t *self, bool on);

/* Reset separator to create new JSON */
void jsonw_reset(json_writer_t *self);

/* Add property name */
void jsonw_name(json_writer_t *self, const char *name);

/* Add value  */
void __attribute__((format(printf, 2, 0))) jsonw_vprintf_enquote(json_writer_t *self,
								 const char *fmt,
								 va_list ap);
void __attribute__((format(printf, 2, 3))) jsonw_printf(json_writer_t *self,
							const char *fmt, ...);
void jsonw_string(json_writer_t *self, const char *value);
void jsonw_bool(json_writer_t *self, bool value);
void jsonw_float(json_writer_t *self, double number);
void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num);
void jsonw_uint(json_writer_t *self, uint64_t number);
void jsonw_hu(json_writer_t *self, unsigned short number);
void jsonw_int(json_writer_t *self, int64_t number);
void jsonw_null(json_writer_t *self);
void jsonw_lluint(json_writer_t *self, unsigned long long int num);

/* Useful Combinations of name and value */
void jsonw_string_field(json_writer_t *self, const char *prop, const char *val);
void jsonw_bool_field(json_writer_t *self, const char *prop, bool value);
void jsonw_float_field(json_writer_t *self, const char *prop, double num);
void jsonw_uint_field(json_writer_t *self, const char *prop, uint64_t num);
void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num);
void jsonw_int_field(json_writer_t *self, const char *prop, int64_t num);
void jsonw_null_field(json_writer_t *self, const char *prop);
void jsonw_lluint_field(json_writer_t *self, const char *prop,
			unsigned long long int num);
void jsonw_float_field_fmt(json_writer_t *self, const char *prop,
			   const char *fmt, double val);

/* Collections */
void jsonw_start_object(json_writer_t *self);
void jsonw_end_object(json_writer_t *self);

void jsonw_start_array(json_writer_t *self);
void jsonw_end_array(json_writer_t *self);

/* Override default exception handling */
typedef void (jsonw_err_handler_fn)(const char *);

#endif /* _JSON_WRITER_H_ */

Annotation

Implementation Notes