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json: replace with nxjson library more lightweight, reduces the binary size by about 40 kb
author Paper <paper@paper.us.eu.org>
date Fri, 15 Mar 2024 20:46:18 -0400
parents e6a594f16403
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1 /*
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2 * Copyright (c) 2013 Yaroslav Stavnichiy <yarosla@gmail.com>
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3 *
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4 * This file is part of NXJSON.
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5 *
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6 * NXJSON is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU Lesser General Public License
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8 * as published by the Free Software Foundation, either version 3
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9 * of the License, or (at your option) any later version.
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10 *
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11 * NXJSON is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU Lesser General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Lesser General Public
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17 * License along with NXJSON. If not, see <http://www.gnu.org/licenses/>.
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18 */
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20 #ifndef NXJSON_H
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21 #define NXJSON_H
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23 #ifdef __cplusplus
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24 extern "C" {
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25 #endif
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27 #ifndef NXJSON_TYPE_U64
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29 #include <stdint.h>
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30
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31 typedef uint64_t nxjson_u64;
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32 #endif
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34 #ifndef NXJSON_TYPE_S64
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36 #include <stdint.h>
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38 typedef uint64_t nxjson_s64;
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39 #endif
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40
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41 typedef enum nx_json_type {
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42 NX_JSON_NULL, // this is null value
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43 NX_JSON_OBJECT, // this is an object; properties can be found in child nodes
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44 NX_JSON_ARRAY, // this is an array; items can be found in child nodes
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45 NX_JSON_STRING, // this is a string; value can be found in text_value field
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46 NX_JSON_INTEGER, // this is an integer; value can be found in int_value field
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47 NX_JSON_DOUBLE, // this is a double; value can be found in dbl_value field
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48 NX_JSON_BOOL // this is a boolean; value can be found in int_value field
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49 } nx_json_type;
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50
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51 typedef struct nx_json {
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52 nx_json_type type; // type of json node, see above
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53 const char *key; // key of the property; for object's children only
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54 union {
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55 const char *text_value; // text value of STRING node
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56 struct {
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57 union {
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58 nxjson_u64 u_value; // the value of INTEGER or BOOL node
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59 nxjson_s64 s_value;
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60 };
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61 double dbl_value; // the value of DOUBLE node
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62 } num;
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63 struct { // children of OBJECT or ARRAY
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64 int length;
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65 struct nx_json *first;
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66 struct nx_json *last;
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67 } children;
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68 };
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69 struct nx_json *next; // points to next child
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70 } nx_json;
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72 typedef int (*nx_json_unicode_encoder)(unsigned int codepoint, char *p, char **endp);
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74 extern nx_json_unicode_encoder nx_json_unicode_to_utf8;
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76 const nx_json *nx_json_parse(char *text, nx_json_unicode_encoder encoder);
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78 const nx_json *nx_json_parse_utf8(char *text);
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80 void nx_json_free(const nx_json *js);
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82 const nx_json *nx_json_get(const nx_json *json, const char *key); // get object's property by key
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83 const nx_json *nx_json_item(const nx_json *json, int idx); // get array element by index
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86 #ifdef __cplusplus
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87 }
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88 #endif
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90 #endif /* NXJSON_H */