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leptjson.h
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56 lines (41 loc) · 1.63 KB
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#ifndef LEPTJSON_H__
#define LEPTJSON_H__
#include <stddef.h> /* size_t */
typedef enum { LEPT_NULL, LEPT_FALSE, LEPT_TRUE, LEPT_NUMBER, LEPT_STRING, LEPT_ARRAY, LEPT_OBJECT } lept_type;
typedef struct lept_value lept_value;
struct lept_value {
union {
struct { lept_value* e; size_t size; }a; /* array: elements, element count */
struct { char* s; size_t len; }s; /* string: null-terminated string, string length */
double n; /* number */
}u;
lept_type type;
};
enum {
LEPT_PARSE_OK = 0,
LEPT_PARSE_EXPECT_VALUE,
LEPT_PARSE_INVALID_VALUE,
LEPT_PARSE_ROOT_NOT_SINGULAR,
LEPT_PARSE_NUMBER_TOO_BIG,
LEPT_PARSE_MISS_QUOTATION_MARK,
LEPT_PARSE_INVALID_STRING_ESCAPE,
LEPT_PARSE_INVALID_STRING_CHAR,
LEPT_PARSE_INVALID_UNICODE_HEX,
LEPT_PARSE_INVALID_UNICODE_SURROGATE,
LEPT_PARSE_MISS_COMMA_OR_SQUARE_BRACKET
};
#define lept_init(v) do { (v)->type = LEPT_NULL; } while(0)
int lept_parse(lept_value* v, const char* json);
void lept_free(lept_value* v);
lept_type lept_get_type(const lept_value* v);
#define lept_set_null(v) lept_free(v)
int lept_get_boolean(const lept_value* v);
void lept_set_boolean(lept_value* v, int b);
double lept_get_number(const lept_value* v);
void lept_set_number(lept_value* v, double n);
const char* lept_get_string(const lept_value* v);
size_t lept_get_string_length(const lept_value* v);
void lept_set_string(lept_value* v, const char* s, size_t len);
size_t lept_get_array_size(const lept_value* v);
lept_value* lept_get_array_element(const lept_value* v, size_t index);
#endif /* LEPTJSON_H__ */