b3821cf8bf
Arena allocation make deallocation of nested structed MUCH faster, and improves the spatial locality of allocations. It makes no sense to deallocate only parts of a JSON structure so arenas are a good fit here.
44 lines
908 B
C
44 lines
908 B
C
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#ifndef _JSON_VALUE_H
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#define _JSON_VALUE_H
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#include "arena.h"
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#include "config.h"
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#include <stdbool.h> // bool
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typedef struct obj_entry {
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char const* key;
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struct json_value* val;
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struct obj_entry* next;
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}* __p_obj_entry;
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typedef __p_obj_entry obj_t[OBJ_SIZE];
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enum json_type { object,
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array,
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string,
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number,
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boolean,
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null };
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struct json_value {
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enum json_type type;
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union {
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obj_t* object;
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struct json_value** array; // we need an array of pointers to allow null termination
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char* string;
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bool boolean;
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double number;
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};
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};
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void* obj_at(obj_t m, char* const key);
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bool obj_insert(obj_t m, char* const key, struct json_value* value, arena_t* arena);
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void obj_delete(obj_t* m, arena_t* arena);
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void print_json(struct json_value val, int indent);
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void json_value_delete(struct json_value val, arena_t* arena);
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#endif
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