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12731c4a60
These are only supposed to be used when you want the token contents including surrounding "". We should use this when reporting errors, but usually we just want to access the tok members directly. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
#ifndef LIGHTNING_COMMON_JSON_H
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#define LIGHTNING_COMMON_JSON_H
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#include "config.h"
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#include <bitcoin/pubkey.h>
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#include <ccan/take/take.h>
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#include <ccan/tal/tal.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#define JSMN_STRICT 1
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# include <external/jsmn/jsmn.h>
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struct json_escaped;
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struct short_channel_id;
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/* Include " if it's a string. */
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const char *json_tok_full(const char *buffer, const jsmntok_t *t);
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/* Include " if it's a string. */
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int json_tok_full_len(const jsmntok_t *t);
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/* Is this a string equal to str? */
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bool json_tok_streq(const char *buffer, const jsmntok_t *tok, const char *str);
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/* Allocate a tal string copy */
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char *json_strdup(const tal_t *ctx, const char *buffer, const jsmntok_t *tok);
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/* Extract number from this (may be a string, or a number literal) */
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bool json_to_number(const char *buffer, const jsmntok_t *tok,
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unsigned int *num);
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/* Extract number from this (may be a string, or a number literal) */
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bool json_to_u64(const char *buffer, const jsmntok_t *tok,
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uint64_t *num);
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/* Extract double from this (must be a number literal) */
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bool json_to_double(const char *buffer, const jsmntok_t *tok, double *num);
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/* Extract signed integer from this (may be a string, or a number literal) */
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bool json_to_int(const char *buffer, const jsmntok_t *tok, int *num);
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/* Extract boolean from this */
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bool json_to_bool(const char *buffer, const jsmntok_t *tok, bool *b);
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/* Extract satoshis from this (may be a string, or a decimal number literal) */
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bool json_to_bitcoin_amount(const char *buffer, const jsmntok_t *tok,
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uint64_t *satoshi);
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/* Is this a number? [0..9]+ */
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bool json_tok_is_num(const char *buffer, const jsmntok_t *tok);
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/* Is this the null primitive? */
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bool json_tok_is_null(const char *buffer, const jsmntok_t *tok);
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/* Returns next token with same parent. */
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const jsmntok_t *json_next(const jsmntok_t *tok);
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/* Get top-level member. */
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const jsmntok_t *json_get_member(const char *buffer, const jsmntok_t tok[],
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const char *label);
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/* Get index'th array member. */
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const jsmntok_t *json_get_arr(const jsmntok_t tok[], size_t index);
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/* If input is complete and valid, return tokens. */
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jsmntok_t *json_parse_input(const tal_t *ctx,
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const char *input, int len, bool *valid);
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/* Convert a jsmntype_t enum to a human readable string. */
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const char *jsmntype_to_string(jsmntype_t t);
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/* Print a json value for debugging purposes. */
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void json_tok_print(const char *buffer, const jsmntok_t *params);
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/* Return a copy of a json value as an array. */
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jsmntok_t *json_tok_copy(const tal_t *ctx, const jsmntok_t *tok);
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/*
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* Remove @num json values from a json array or object. @tok points
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* to the first value to remove. The array will be resized.
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*/
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void json_tok_remove(jsmntok_t **tokens, jsmntok_t *tok, size_t num);
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/* Guide is a string with . for members, [] around indexes. */
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const jsmntok_t *json_delve(const char *buffer,
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const jsmntok_t *tok,
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const char *guide);
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#endif /* LIGHTNING_COMMON_JSON_H */
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