^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Simple streaming JSON writer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This takes care of the annoying bits of JSON syntax like the commas
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * after elements
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Authors: Stephen Hemminger <stephen@networkplumber.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <assert.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <malloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "json_writer.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) struct json_writer {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) FILE *out; /* output file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) unsigned depth; /* nesting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) bool pretty; /* optional whitepace */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) char sep; /* either nul or comma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* indentation for pretty print */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) static void jsonw_indent(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) for (i = 0; i < self->depth; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) fputs(" ", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) /* end current line and indent if pretty printing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) static void jsonw_eol(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) if (!self->pretty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) putc('\n', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) jsonw_indent(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* If current object is not empty print a comma */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static void jsonw_eor(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) if (self->sep != '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) putc(self->sep, self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) self->sep = ',';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) /* Output JSON encoded string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /* Handles C escapes, does not do Unicode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) static void jsonw_puts(json_writer_t *self, const char *str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) putc('"', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) for (; *str; ++str)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) switch (*str) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) case '\t':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) fputs("\\t", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) case '\n':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) fputs("\\n", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) case '\r':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) fputs("\\r", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) case '\f':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) fputs("\\f", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) case '\b':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) fputs("\\b", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) case '\\':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) fputs("\\n", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) case '"':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) fputs("\\\"", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) case '\'':
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) fputs("\\\'", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) putc(*str, self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) putc('"', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) /* Create a new JSON stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) json_writer_t *jsonw_new(FILE *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) json_writer_t *self = malloc(sizeof(*self));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (self) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) self->out = f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) self->depth = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) self->pretty = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) self->sep = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) return self;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) /* End output to JSON stream */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) void jsonw_destroy(json_writer_t **self_p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) json_writer_t *self = *self_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) assert(self->depth == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) fputs("\n", self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) fflush(self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) free(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) *self_p = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) void jsonw_pretty(json_writer_t *self, bool on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) self->pretty = on;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) void jsonw_reset(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) assert(self->depth == 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) self->sep = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* Basic blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static void jsonw_begin(json_writer_t *self, int c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) jsonw_eor(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) putc(c, self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) ++self->depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) self->sep = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static void jsonw_end(json_writer_t *self, int c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) assert(self->depth > 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) --self->depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) if (self->sep != '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) jsonw_eol(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) putc(c, self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) self->sep = ',';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /* Add a JSON property name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) void jsonw_name(json_writer_t *self, const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) jsonw_eor(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) jsonw_eol(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) self->sep = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) jsonw_puts(self, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) putc(':', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) if (self->pretty)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) putc(' ', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) void jsonw_vprintf_enquote(json_writer_t *self, const char *fmt, va_list ap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) jsonw_eor(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) putc('"', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) vfprintf(self->out, fmt, ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) putc('"', self->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) void jsonw_printf(json_writer_t *self, const char *fmt, ...)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) va_list ap;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) va_start(ap, fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) jsonw_eor(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) vfprintf(self->out, fmt, ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) va_end(ap);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) /* Collections */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) void jsonw_start_object(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) jsonw_begin(self, '{');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) void jsonw_end_object(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) jsonw_end(self, '}');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) void jsonw_start_array(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) jsonw_begin(self, '[');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) void jsonw_end_array(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) jsonw_end(self, ']');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /* JSON value types */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) void jsonw_string(json_writer_t *self, const char *value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) jsonw_eor(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) jsonw_puts(self, value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) void jsonw_bool(json_writer_t *self, bool val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) jsonw_printf(self, "%s", val ? "true" : "false");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) void jsonw_null(json_writer_t *self)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) jsonw_printf(self, "null");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) jsonw_printf(self, fmt, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #ifdef notused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) void jsonw_float(json_writer_t *self, double num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) jsonw_printf(self, "%g", num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) void jsonw_hu(json_writer_t *self, unsigned short num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) jsonw_printf(self, "%hu", num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) void jsonw_uint(json_writer_t *self, uint64_t num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) jsonw_printf(self, "%"PRIu64, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) void jsonw_lluint(json_writer_t *self, unsigned long long int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) jsonw_printf(self, "%llu", num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) void jsonw_int(json_writer_t *self, int64_t num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) jsonw_printf(self, "%"PRId64, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) /* Basic name/value objects */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) void jsonw_string_field(json_writer_t *self, const char *prop, const char *val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) jsonw_string(self, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) void jsonw_bool_field(json_writer_t *self, const char *prop, bool val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) jsonw_bool(self, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) #ifdef notused
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) void jsonw_float_field(json_writer_t *self, const char *prop, double val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) jsonw_float(self, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) void jsonw_float_field_fmt(json_writer_t *self,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) const char *prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) const char *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) double val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) jsonw_float_fmt(self, fmt, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) void jsonw_uint_field(json_writer_t *self, const char *prop, uint64_t num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) jsonw_uint(self, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) jsonw_hu(self, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) void jsonw_lluint_field(json_writer_t *self,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) const char *prop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) unsigned long long int num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) jsonw_lluint(self, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) void jsonw_int_field(json_writer_t *self, const char *prop, int64_t num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) jsonw_int(self, num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) void jsonw_null_field(json_writer_t *self, const char *prop)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) jsonw_name(self, prop);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) jsonw_null(self);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) #ifdef TEST
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) int main(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) json_writer_t *wr = jsonw_new(stdout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) jsonw_start_object(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) jsonw_pretty(wr, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) jsonw_name(wr, "Vyatta");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) jsonw_start_object(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) jsonw_string_field(wr, "url", "http://vyatta.com");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) jsonw_uint_field(wr, "downloads", 2000000ul);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) jsonw_float_field(wr, "stock", 8.16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) jsonw_name(wr, "ARGV");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) jsonw_start_array(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) while (--argc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) jsonw_string(wr, *++argv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) jsonw_end_array(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) jsonw_name(wr, "empty");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) jsonw_start_array(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) jsonw_end_array(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) jsonw_name(wr, "NIL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) jsonw_start_object(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) jsonw_end_object(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) jsonw_null_field(wr, "my_null");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) jsonw_name(wr, "special chars");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) jsonw_start_array(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) jsonw_string_field(wr, "slash", "/");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) jsonw_string_field(wr, "newline", "\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) jsonw_string_field(wr, "tab", "\t");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) jsonw_string_field(wr, "ff", "\f");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) jsonw_string_field(wr, "quote", "\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) jsonw_string_field(wr, "tick", "\'");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) jsonw_string_field(wr, "backslash", "\\");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) jsonw_end_array(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) jsonw_end_object(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) jsonw_end_object(wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) jsonw_destroy(&wr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) #endif