123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146 |
- /*
- * Copyright (c) 2011-2012, Swedish Institute of Computer Science.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * This file is part of the Contiki operating system.
- */
- /**
- * \file
- * JSON output generation
- * \author
- * Niclas Finne <nfi@sics.se>
- * Joakim Eriksson <joakime@sics.se>
- */
- #ifndef __JSONTREE_H__
- #define __JSONTREE_H__
- #include "c_types.h"
- #include "json/json.h"
- #ifdef JSONTREE_CONF_MAX_DEPTH
- #define JSONTREE_MAX_DEPTH JSONTREE_CONF_MAX_DEPTH
- #else
- #define JSONTREE_MAX_DEPTH 10
- #endif /* JSONTREE_CONF_MAX_DEPTH */
- struct jsontree_context {
- struct jsontree_value *values[JSONTREE_MAX_DEPTH];
- uint16_t index[JSONTREE_MAX_DEPTH];
- int (* putchar)(int);
- uint8_t depth;
- uint8_t path;
- int callback_state;
- };
- struct jsontree_value {
- uint8_t type;
- /* followed by a value */
- };
- struct jsontree_string {
- uint8_t type;
- const char *value;
- };
- struct jsontree_int {
- uint8_t type;
- int value;
- };
- /* NOTE: the jsontree_callback set will receive a jsonparse state */
- struct jsonparse_state;
- struct jsontree_callback {
- uint8_t type;
- int (* output)(struct jsontree_context *js_ctx);
- int (* set)(struct jsontree_context *js_ctx, struct jsonparse_state *parser);
- };
- struct jsontree_pair {
- const char *name;
- struct jsontree_value *value;
- };
- struct jsontree_object {
- uint8_t type;
- uint8_t count;
- struct jsontree_pair *pairs;
- };
- struct jsontree_array {
- uint8_t type;
- uint8_t count;
- struct jsontree_value **values;
- };
- #define JSONTREE_STRING(text) {JSON_TYPE_STRING, (text)}
- #define JSONTREE_PAIR(name, value) {(name), (struct jsontree_value *)(value)}
- #define JSONTREE_CALLBACK(output, set) {JSON_TYPE_CALLBACK, (output), (set)}
- #define JSONTREE_OBJECT(name, ...) \
- static struct jsontree_pair jsontree_pair_##name[] = {__VA_ARGS__}; \
- static struct jsontree_object name = { \
- JSON_TYPE_OBJECT, \
- sizeof(jsontree_pair_##name)/sizeof(struct jsontree_pair), \
- jsontree_pair_##name }
- #define JSONTREE_PAIR_ARRAY(value) (struct jsontree_value *)(value)
- #define JSONTREE_ARRAY(name, ...) \
- static struct jsontree_value* jsontree_value_##name[] = {__VA_ARGS__}; \
- static struct jsontree_array name = { \
- JSON_TYPE_ARRAY, \
- sizeof(jsontree_value_##name)/sizeof(struct jsontree_value*), \
- jsontree_value_##name }
- #define JSONTREE_OBJECT_EXT(name, ...) \
- static struct jsontree_pair jsontree_pair_##name[] = {__VA_ARGS__}; \
- struct jsontree_object name = { \
- JSON_TYPE_OBJECT, \
- sizeof(jsontree_pair_##name)/sizeof(struct jsontree_pair), \
- jsontree_pair_##name }
- void jsontree_setup(struct jsontree_context *js_ctx,
- struct jsontree_value *root, int (* putchar)(int));
- void jsontree_reset(struct jsontree_context *js_ctx);
- const char *jsontree_path_name(const struct jsontree_context *js_ctx,
- int depth);
- void jsontree_write_int(const struct jsontree_context *js_ctx, int value);
- void jsontree_write_int_array(const struct jsontree_context *js_ctx, const int *text, uint32 length);
- void jsontree_write_atom(const struct jsontree_context *js_ctx,
- const char *text);
- void jsontree_write_string(const struct jsontree_context *js_ctx,
- const char *text);
- int jsontree_print_next(struct jsontree_context *js_ctx);
- struct jsontree_value *jsontree_find_next(struct jsontree_context *js_ctx,
- int type);
- #endif /* __JSONTREE_H__ */
|