| /* | |
| Copyright (c) 2010 Serge A. Zaitsev | |
| 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. | |
| */ | |
| extern "C" { | |
| /** | |
| * JSON type identifier. Basic types are: | |
| * o Object | |
| * o Array | |
| * o String | |
| * o Other primitive: number, boolean (true/false) or null | |
| */ | |
| typedef enum { | |
| JSMN_UNDEFINED = 0, | |
| JSMN_OBJECT = 1, | |
| JSMN_ARRAY = 2, | |
| JSMN_STRING = 3, | |
| JSMN_PRIMITIVE = 4 | |
| } jsmntype_t; | |
| enum jsmnerr { | |
| /* Not enough tokens were provided */ | |
| JSMN_ERROR_NOMEM = -1, | |
| /* Invalid character inside JSON string */ | |
| JSMN_ERROR_INVAL = -2, | |
| /* The string is not a full JSON packet, more bytes expected */ | |
| JSMN_ERROR_PART = -3 | |
| }; | |
| /** | |
| * JSON token description. | |
| * type type (object, array, string etc.) | |
| * start start position in JSON data string | |
| * end end position in JSON data string | |
| */ | |
| typedef struct { | |
| jsmntype_t type; | |
| int start; | |
| int end; | |
| int size; | |
| int parent; | |
| } jsmntok_t; | |
| /** | |
| * JSON parser. Contains an array of token blocks available. Also stores | |
| * the string being parsed now and current position in that string | |
| */ | |
| typedef struct { | |
| unsigned int pos; /* offset in the JSON string */ | |
| unsigned int toknext; /* next token to allocate */ | |
| int toksuper; /* superior token node, e.g parent object or array */ | |
| } jsmn_parser; | |
| /** | |
| * Create JSON parser over an array of tokens | |
| */ | |
| void jsmn_init(jsmn_parser *parser); | |
| /** | |
| * Run JSON parser. It parses a JSON data string into and array of tokens, each describing | |
| * a single JSON object. | |
| */ | |
| int jsmn_parse(jsmn_parser *parser, const char *js, size_t len, | |
| jsmntok_t *tokens, unsigned int num_tokens); | |
| } | |