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72 lines
No EOL
2 KiB
C
72 lines
No EOL
2 KiB
C
#ifndef CHECKIN_JSON_H
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#define CHECKIN_JSON_H 1
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#if ENABLE_JSONC
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# include <json-c/json.h>
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#endif
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#include "jsmn.h"
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//https://www.ibm.com/support/knowledgecenter/en/SS9H2Y_7.6.0/com.ibm.dp.doc/json_parserlimits.html
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#define JSON_NAME_LEN 256
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#define JSON_FULLNAME_LEN 1024
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typedef enum {
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JSON_OBJECT = 0,
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JSON_ARRAY = 1,
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JSON_STRING = 2,
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JSON_NUMBER = 3,
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JSON_BOOLEAN = 4,
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JSON_NULL = 5,
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} JSON_ENTRY_TYPE;
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typedef struct json_entry {
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JSON_ENTRY_TYPE type;
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char name[JSON_NAME_LEN + 1];
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char fullname[JSON_FULLNAME_LEN + 1];
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union {
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char *string; // type == JSON_STRING
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long double number; // type == JSON_NUMBER
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int boolean; // type == JSON_BOOLEAN
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size_t items; // type == JSON_ARRAY
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} data;
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size_t pos; // the position of this item in its parent
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char *original_string;
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void *callback_data;
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int (*callback_function)(struct json_entry *);
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} JSON_ENTRY;
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// ----------------------------------------------------------------------------
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// public functions
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#define JSON_OK 0
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#define JSON_CANNOT_DOWNLOAD 1
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#define JSON_CANNOT_PARSE 2
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int json_parse(char *js, void *callback_data, int (*callback_function)(JSON_ENTRY *));
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// ----------------------------------------------------------------------------
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// private functions
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#ifdef ENABLE_JSONC
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json_object *json_tokenise(char *js);
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size_t json_walk(json_object *t, void *callback_data, int (*callback_function)(struct json_entry *));
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#else
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jsmntok_t *json_tokenise(char *js, size_t len, size_t *count);
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size_t json_walk_tree(char *js, jsmntok_t *t, void *callback_data, int (*callback_function)(struct json_entry *));
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#endif
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size_t json_walk_object(char *js, jsmntok_t *t, size_t nest, size_t start, JSON_ENTRY *e);
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size_t json_walk_array(char *js, jsmntok_t *t, size_t nest, size_t start, JSON_ENTRY *e);
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size_t json_walk_string(char *js, jsmntok_t *t, size_t start, JSON_ENTRY *e);
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size_t json_walk_primitive(char *js, jsmntok_t *t, size_t start, JSON_ENTRY *e);
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int json_callback_print(JSON_ENTRY *e);
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#endif |