1 files changed, 91 insertions, 0 deletions
diff --git a/include/jsmn.h b/include/jsmn.h
new file mode 100644
index 0000000000..394ffc4674
--- /dev/null
+++ b/include/jsmn.h
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright (c) 2010 Serge Zaitsev
+ */
+#ifndef __JSMN_H_
+#define __JSMN_H_
+
+#define JSMN_STRICT
+#define JSMN_PARENT_LINKS
+
+#include <stddef.h>
+#include <errno.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef JSMN_STATIC
+#define JSMN_API static
+#else
+#define JSMN_API extern
+#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 << 0,
+	JSMN_ARRAY = 1 << 1,
+	JSMN_STRING = 1 << 2,
+	JSMN_PRIMITIVE = 1 << 3
+} jsmntype_t;
+
+enum jsmnerr {
+	/* Not enough tokens were provided */
+	JSMN_ERROR_NOMEM = -ENOMEM,
+	/* Invalid character inside JSON string */
+	JSMN_ERROR_INVAL = -EINVAL,
+	/* The string is not a full JSON packet, more bytes expected */
+	JSMN_ERROR_PART = -EMSGSIZE
+};
+
+/**
+ * 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 jsmntok {
+	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 jsmn_parser {
+	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
+ */
+JSMN_API 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.
+ */
+JSMN_API int jsmn_parse(jsmn_parser *parser, const char *js, const size_t len,
+			jsmntok_t *tokens, const unsigned int num_tokens);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* JSMN_H */