Files
weaseljson/include/weaseljson.h
2025-05-22 10:55:15 -04:00

58 lines
1.7 KiB
C

#ifndef WEASELJSON_H
#define WEASELJSON_H
#ifdef __cplusplus
extern "C" {
#endif
struct WeaselJsonCallbacks {
void (*on_begin_object)(void *data);
void (*on_end_object)(void *data);
void (*on_begin_string)(void *data);
void (*on_string_data)(void *data, const char *buf, int len);
void (*on_end_string)(void *data);
void (*on_begin_array)(void *data);
void (*on_end_array)(void *data);
void (*on_begin_number)(void *data);
void (*on_number_data)(void *data, const char *buf, int len);
void (*on_end_number)(void *data);
void (*on_true_literal)(void *data);
void (*on_false_literal)(void *data);
void (*on_null_literal)(void *data);
};
enum WeaselJsonStatus {
/** Accept input */
WeaselJson_OK,
/** Consumed all available input. Call WeaselJsonParser_parse with more data
to provide more input, or call with length 0 to indicate end of data*/
WeaselJson_AGAIN,
/** Invalid json */
WeaselJson_REJECT,
/** json is too deeply nested */
WeaselJson_OVERFLOW,
};
typedef struct WeaselJsonParser WeaselJsonParser;
/** Increasing stack size increases memory usage but also increases the depth of
* nested json accepted. */
WeaselJsonParser *WeaselJsonParser_create(int stackSize);
/** Restore the parser to its newly-created state */
void WeaselJsonParser_reset(WeaselJsonParser *parser);
/** Destroy the parser */
void WeaselJsonParser_destroy(WeaselJsonParser *parser);
/** Incrementally parse `len` more bytes starting at `buf`. `buf` may be
* modified. Call with `len` 0 to indicate end of data */
WeaselJsonStatus WeaselJsonParser_parse(WeaselJsonParser *parser, char *buf,
int len);
#ifdef __cplusplus
}
#endif
#endif