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- /*
- * 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.
- */
- #ifndef __JSONPARSE_H__
- #define __JSONPARSE_H__
- #include "c_types.h"
- #include "json/json.h"
- #ifdef JSONPARSE_CONF_MAX_DEPTH
- #define JSONPARSE_MAX_DEPTH JSONPARSE_CONF_MAX_DEPTH
- #else
- #define JSONPARSE_MAX_DEPTH 10
- #endif
- struct jsonparse_state {
- const char *json;
- int pos;
- int len;
- int depth;
- /* for handling atomic values */
- int vstart;
- int vlen;
- char vtype;
- char error;
- char stack[JSONPARSE_MAX_DEPTH];
- };
- /**
- * \brief Initialize a JSON parser state.
- * \param state A pointer to a JSON parser state
- * \param json The string to parse as JSON
- * \param len The length of the string to parse
- *
- * This function initializes a JSON parser state for
- * parsing a string as JSON.
- */
- void jsonparse_setup(struct jsonparse_state *state, const char *json,
- int len);
- /* move to next JSON element */
- int jsonparse_next(struct jsonparse_state *state);
- /* copy the current JSON value into the specified buffer */
- int jsonparse_copy_value(struct jsonparse_state *state, char *buf,
- int buf_size);
- /* get the current JSON value parsed as an int */
- int jsonparse_get_value_as_int(struct jsonparse_state *state);
- /* get the current JSON value parsed as a long */
- long jsonparse_get_value_as_long(struct jsonparse_state *state);
- /* get the current JSON value parsed as a unsigned long */
- unsigned long jsonparse_get_value_as_ulong(struct jsonparse_state *state);
- /* get the length of the current JSON value */
- int jsonparse_get_len(struct jsonparse_state *state);
- /* get the type of the current JSON value */
- int jsonparse_get_type(struct jsonparse_state *state);
- /* compare the JSON value with the specified string */
- int jsonparse_strcmp_value(struct jsonparse_state *state, const char *str);
- #endif /* __JSONPARSE_H__ */
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