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faab9fa04a
- Should hopefully force recognition as a 'C' repository rather than counting all the Breakpad C++
79 lines
1.7 KiB
C
79 lines
1.7 KiB
C
#ifndef __JSMN_H_
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#define __JSMN_H_
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#include <stddef.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* JSON type identifier. Basic types are:
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* o Object
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* o Array
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* o String
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* o Other primitive: number, boolean (true/false) or null
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*/
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typedef enum {
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JSMN_UNDEFINED = 0,
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JSMN_OBJECT = 1,
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JSMN_ARRAY = 2,
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JSMN_STRING = 3,
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JSMN_PRIMITIVE = 4
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} jsmntype_t;
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enum jsmnerr {
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/* Not enough tokens were provided */
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JSMN_ERROR_NOMEM = -1,
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/* Generic invalid character JSON string */
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JSMN_ERROR_INVAL = -2,
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/* The string is not a full JSON packet, more bytes expected */
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JSMN_ERROR_PART = -3,
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/* A JSON primitive is invalid */
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JSMN_ERROR_PRIMITIVE_INVAL = -202
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};
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/**
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* JSON token description.
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* @param type type (object, array, string etc.)
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* @param start start position in JSON data string
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* @param end end position in JSON data string
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*/
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typedef struct {
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jsmntype_t type;
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int start;
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int end;
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int size;
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int skip;
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int parent;
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int privdata[2];
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} jsmntok_t;
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/**
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* JSON parser. Contains an array of token blocks available. Also stores
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* the string being parsed now and current position in that string
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*/
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typedef struct {
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unsigned int pos; /* offset in the JSON string */
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unsigned int toknext; /* next token to allocate */
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int toksuper; /* superior token node, e.g parent object or array */
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} jsmn_parser;
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/**
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* Create JSON parser over an array of tokens
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*/
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void jsmn_init(jsmn_parser *parser);
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/**
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* Run JSON parser. It parses a JSON data string into and array of tokens, each describing
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* a single JSON object.
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*/
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int jsmn_parse(jsmn_parser *parser, const char *js, size_t len,
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jsmntok_t *tokens, unsigned int num_tokens);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __JSMN_H_ */
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