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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
commitc69cb8cc094cc916adbc516b09e944cd3d137c01 (patch)
treef2878ec41fb6d0e3613906c6722fc02b934eeb80 /libnetdata/json/json.h
parentInitial commit. (diff)
downloadnetdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.tar.xz
netdata-c69cb8cc094cc916adbc516b09e944cd3d137c01.zip
Adding upstream version 1.29.3.upstream/1.29.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libnetdata/json/json.h')
-rw-r--r--libnetdata/json/json.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/libnetdata/json/json.h b/libnetdata/json/json.h
new file mode 100644
index 0000000..79b58b1
--- /dev/null
+++ b/libnetdata/json/json.h
@@ -0,0 +1,72 @@
+#ifndef CHECKIN_JSON_H
+#define CHECKIN_JSON_H 1
+
+
+#if ENABLE_JSONC
+# include <json-c/json.h>
+#endif
+
+#include "jsmn.h"
+
+//https://www.ibm.com/support/knowledgecenter/en/SS9H2Y_7.6.0/com.ibm.dp.doc/json_parserlimits.html
+#define JSON_NAME_LEN 256
+#define JSON_FULLNAME_LEN 1024
+
+typedef enum {
+ JSON_OBJECT = 0,
+ JSON_ARRAY = 1,
+ JSON_STRING = 2,
+ JSON_NUMBER = 3,
+ JSON_BOOLEAN = 4,
+ JSON_NULL = 5,
+} JSON_ENTRY_TYPE;
+
+typedef struct json_entry {
+ JSON_ENTRY_TYPE type;
+ char name[JSON_NAME_LEN + 1];
+ char fullname[JSON_FULLNAME_LEN + 1];
+ union {
+ char *string; // type == JSON_STRING
+ long double number; // type == JSON_NUMBER
+ int boolean; // type == JSON_BOOLEAN
+ size_t items; // type == JSON_ARRAY
+ } data;
+ size_t pos; // the position of this item in its parent
+
+ char *original_string;
+
+ void *callback_data;
+ int (*callback_function)(struct json_entry *);
+} JSON_ENTRY;
+
+// ----------------------------------------------------------------------------
+// public functions
+
+#define JSON_OK 0
+#define JSON_CANNOT_DOWNLOAD 1
+#define JSON_CANNOT_PARSE 2
+
+int json_parse(char *js, void *callback_data, int (*callback_function)(JSON_ENTRY *));
+
+
+// ----------------------------------------------------------------------------
+// private functions
+
+#ifdef ENABLE_JSONC
+json_object *json_tokenise(char *js);
+size_t json_walk(json_object *t, void *callback_data, int (*callback_function)(struct json_entry *));
+#else
+jsmntok_t *json_tokenise(char *js, size_t len, size_t *count);
+size_t json_walk_tree(char *js, jsmntok_t *t, void *callback_data, int (*callback_function)(struct json_entry *));
+#endif
+
+size_t json_walk_object(char *js, jsmntok_t *t, size_t nest, size_t start, JSON_ENTRY *e);
+size_t json_walk_array(char *js, jsmntok_t *t, size_t nest, size_t start, JSON_ENTRY *e);
+size_t json_walk_string(char *js, jsmntok_t *t, size_t start, JSON_ENTRY *e);
+size_t json_walk_primitive(char *js, jsmntok_t *t, size_t start, JSON_ENTRY *e);
+
+int json_callback_print(JSON_ENTRY *e);
+
+
+
+#endif \ No newline at end of file