core_json.h

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/*
 * coreJSON v3.1.0
 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
#ifndef CORE_JSON_H_
#define CORE_JSON_H_
 
#include <stdbool.h>
#include <stddef.h>
 
/* *INDENT-OFF* */
#ifdef __cplusplus
    extern "C" {
#endif
/* *INDENT-ON* */
 
typedef enum
{
    JSONPartial = 0,      
    JSONSuccess,          
    JSONIllegalDocument,  
    JSONMaxDepthExceeded, 
    JSONNotFound,         
    JSONNullParameter,    
    JSONBadParameter      
} JSONStatus_t;
 
/* @[declare_json_validate] */
JSONStatus_t JSON_Validate( const char * buf,
                            size_t max );
/* @[declare_json_validate] */
 
/* @[declare_json_search] */
#define JSON_Search( buf, max, query, queryLength, outValue, outValueLength ) \
    JSON_SearchT( buf, max, query, queryLength, outValue, outValueLength, NULL )
/* @[declare_json_search] */
 
#define MAX_INDEX_VALUE    ( 0x7FFFFFF7 )   /* 2^31 - 9 */
 
typedef enum
{
    JSONInvalid = 0, 
    JSONString,      
    JSONNumber,      
    JSONTrue,        
    JSONFalse,       
    JSONNull,        
    JSONObject,      
    JSONArray        
} JSONTypes_t;
 
/* @[declare_json_searcht] */
JSONStatus_t JSON_SearchT( char * buf,
                           size_t max,
                           const char * query,
                           size_t queryLength,
                           char ** outValue,
                           size_t * outValueLength,
                           JSONTypes_t * outType );
/* @[declare_json_searcht] */
 
/* @[declare_json_searchconst] */
JSONStatus_t JSON_SearchConst( const char * buf,
                               size_t max,
                               const char * query,
                               size_t queryLength,
                               const char ** outValue,
                               size_t * outValueLength,
                               JSONTypes_t * outType );
/* @[declare_json_searchconst] */
 
typedef struct
{
    const char * key;     
    size_t keyLength;     
    const char * value;   
    size_t valueLength;   
    JSONTypes_t jsonType; 
} JSONPair_t;
 
/* @[declare_json_iterate] */
JSONStatus_t JSON_Iterate( const char * buf,
                           size_t max,
                           size_t * start,
                           size_t * next,
                           JSONPair_t * outPair );
/* @[declare_json_iterate] */
 
/* *INDENT-OFF* */
#ifdef __cplusplus
    }
#endif
/* *INDENT-ON* */
 
#endif /* ifndef CORE_JSON_H_ */