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