Function

JsonPathquery

Declaration [src]

JsonNode*
json_path_query (
  const char* expression,
  JsonNode* root,
  GError** error
)

Description [src]

Queries a JSON tree using a JSONPath expression.

This function is a simple wrapper around json_path_new(), json_path_compile(), and json_path_match(). It implicitly creates a JsonPath instance, compiles the given expression and matches it against the JSON tree pointed by root.

Available since:

0.14

Parameters

`expression`	`const char*`
	A JSONPath expression.
	The data is owned by the caller of the function.
	The string is a NUL terminated UTF-8 string.
`root`	`JsonNode`
	The root of a JSON tree.
	The data is owned by the caller of the function.
`error`	`GError **`
	The return location for a `GError*`, or `NULL`.

Return value

Returns:	`JsonNode`
	A newly-created node of type `JSON_NODE_ARRAY` containing the array of matching nodes.
	The caller of the function takes ownership of the data, and is responsible for freeing it.