69 lines
1.6 KiB
C
69 lines
1.6 KiB
C
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// vi:ft=c
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#ifndef JSON_H_
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#define JSON_H_
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#include <stdint.h>
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#include <limits.h>
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#include <unistd.h>
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#include <stddef.h>
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typedef struct __attribute__((packed, aligned(8))) {
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uint32_t type;
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uint32_t len;
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} JSONHeader;
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_Static_assert(sizeof(JSONHeader) == 8, "JSONHeader size isn't 8 bytes");
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_Static_assert(sizeof(double) == 8, "double size isn't 8 bytes");
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_Static_assert(CHAR_BIT / sizeof(char) == 8, "Byte isn't 8 bit");
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typedef enum {
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String = 1,
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Number = 2,
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Object = 3,
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Array = 4,
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Boolean = 5,
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Null = 6,
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} JSONType;
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typedef enum {
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NoError = 0,
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DstOverflow = 1,
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SrcOverflow = 2,
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BadKeyword = 3,
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BadChar = 4,
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StringBadChar = 5,
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StringBadUnicode = 6,
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StringBadEscape = 7,
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NumberBadChar = 8,
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ObjectBadChar = 9,
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JERRORNO_MAX = 10
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} JSONError;
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#ifdef JSON_C_
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static const char * JSONErrorMessage[JERRORNO_MAX + 1] = {
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"No error",
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"Destination buffer is not big enough",
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"Source buffer overflowed before parsing finished",
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"Unknown keyword",
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"Unexpected character",
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"Unexpected character in string",
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"Bad unicoded escape in string",
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"Illegal escape in string",
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"Unexpected character in number",
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"Unexpected character in object",
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"?"
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};
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#endif
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typedef struct {
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char * path;
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JSONType type;
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size_t offset;
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} JSONAdapter;
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void json_adapt(uint8_t * buf, JSONAdapter * adapters, size_t adapter_count, void * ptr);
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int json_parse(const char * src, size_t src_len, uint8_t * dst, size_t dst_len);
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const char * json_strerr();
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size_t json_err_loc();
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#endif
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