1 /* Simple library for printing JSON data. 2 Copyright (C) 2014-2022 Free Software Foundation, Inc. 3 This file is part of the GNU C Library. 4 5 The GNU C Library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Lesser General Public 7 License as published by the Free Software Foundation; either 8 version 2.1 of the License, or (at your option) any later version. 9 10 The GNU C Library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Lesser General Public License for more details. 14 15 You should have received a copy of the GNU Lesser General Public 16 License along with the GNU C Library; if not, see 17 <https://www.gnu.org/licenses/>. */ 18 19 #ifndef __JSON_LIB_H__ 20 #define __JSON_LIB_H__ 21 22 #include <stdbool.h> 23 #include <inttypes.h> 24 #include <stdio.h> 25 26 struct json_ctx 27 { 28 FILE *fp; 29 unsigned int indent_level; 30 bool first_element; 31 }; 32 33 typedef struct json_ctx json_ctx_t; 34 35 void json_init (json_ctx_t *ctx, unsigned int indent_level, FILE *fp); 36 void json_document_begin (json_ctx_t *ctx); 37 void json_document_end (json_ctx_t *ctx); 38 void json_attr_object_begin (json_ctx_t *ctx, const char *name); 39 void json_attr_object_end (json_ctx_t *ctx); 40 void json_attr_string (json_ctx_t *ctx, const char *name, const char *s); 41 void json_attr_int (json_ctx_t *ctx, const char *name, int64_t d); 42 void json_attr_uint (json_ctx_t *ctx, const char *name, uint64_t d); 43 void json_attr_double (json_ctx_t *ctx, const char *name, double d); 44 void json_array_begin (json_ctx_t *ctx, const char *name); 45 void json_array_end (json_ctx_t *ctx); 46 void json_element_string (json_ctx_t *ctx, const char *s); 47 void json_element_int (json_ctx_t *ctx, int64_t d); 48 void json_element_uint (json_ctx_t *ctx, uint64_t d); 49 void json_element_double (json_ctx_t *ctx, double d); 50 void json_element_object_begin (json_ctx_t *ctx); 51 void json_element_object_end (json_ctx_t *ctx); 52 53 #endif 54