diff options
Diffstat (limited to 'testing/sg_json_builder_test.c')
-rw-r--r-- | testing/sg_json_builder_test.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/testing/sg_json_builder_test.c b/testing/sg_json_builder_test.c new file mode 100644 index 00000000..a43b9f78 --- /dev/null +++ b/testing/sg_json_builder_test.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) +/* + * Simple streaming JSON writer + * + * This takes care of the annoying bits of JSON syntax like the commas + * after elements + * + * Authors: Stephen Hemminger <stephen@networkplumber.org> + * + * Borrowed from Linux kernel [5.17.0]: tools/bpf/bpftool/json_writer.[hc] + */ + +#include <stdio.h> +#include <stdbool.h> +#include <stdarg.h> +#include <assert.h> +#include <malloc.h> +#include <inttypes.h> +#include <stdint.h> + +#include "../lib/sg_json_builder.h" + +int main(int argc, char **argv) +{ + json_writer_t *wr = jsonw_new(stdout); + + jsonw_start_object(wr); + jsonw_pretty(wr, true); + jsonw_name(wr, "Vyatta"); + jsonw_start_object(wr); + jsonw_string_field(wr, "url", "http://vyatta.com"); + jsonw_uint_field(wr, "downloads", 2000000ul); + jsonw_float_field(wr, "stock", 8.16); + + jsonw_name(wr, "ARGV"); + jsonw_start_array(wr); + while (--argc) + jsonw_string(wr, *++argv); + jsonw_end_array(wr); + + jsonw_name(wr, "empty"); + jsonw_start_array(wr); + jsonw_end_array(wr); + + jsonw_name(wr, "NIL"); + jsonw_start_object(wr); + jsonw_end_object(wr); + + jsonw_null_field(wr, "my_null"); + + jsonw_name(wr, "special chars"); + jsonw_start_array(wr); + jsonw_string_field(wr, "slash", "/"); + jsonw_string_field(wr, "newline", "\n"); + jsonw_string_field(wr, "tab", "\t"); + jsonw_string_field(wr, "ff", "\f"); + jsonw_string_field(wr, "quote", "\""); + jsonw_string_field(wr, "tick", "\'"); + jsonw_string_field(wr, "backslash", "\\"); + jsonw_end_array(wr); + +jsonw_name(wr, "ARGV"); +jsonw_start_array(wr); +jsonw_string(wr, "boo: appended or new entry?"); +jsonw_end_array(wr); + + jsonw_end_object(wr); + + jsonw_end_object(wr); + jsonw_destroy(&wr); + return 0; +} + |