From 0b602f523e2a759848b67c8177ff8070feb39ec1 Mon Sep 17 00:00:00 2001 From: Charles Lohr Date: Sat, 10 Dec 2016 21:26:16 -0500 Subject: Update redist with an example config, and jsmn. --- redist/jsmn.h | 77 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 redist/jsmn.h (limited to 'redist/jsmn.h') diff --git a/redist/jsmn.h b/redist/jsmn.h new file mode 100644 index 0000000..de9ac17 --- /dev/null +++ b/redist/jsmn.h @@ -0,0 +1,77 @@ +#ifndef __JSMN_H_ +#define __JSMN_H_ + +#include + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * 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; +#ifdef JSMN_PARENT_LINKS + int parent; +#endif +} 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); + +#ifdef __cplusplus +} +#endif + +#endif /* __JSMN_H_ */ + -- cgit v1.2.3