2 This file is part of PulseAudio.
4 Copyright 2016 Arun Raghavan <mail@arunraghavan.net>
6 PulseAudio is free software; you can redistribute it and/or modify
7 it under the terms of the GNU Lesser General Public License as published
8 by the Free Software Foundation; either version 2.1 of the License,
9 or (at your option) any later version.
11 PulseAudio is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
26 #include <pulse/xmalloc.h>
27 #include <pulsecore/core-util.h>
28 #include <pulsecore/hashmap.h>
29 #include <pulsecore/json.h>
30 #include <pulsecore/strbuf.h>
32 #define MAX_NESTING_DEPTH 20 /* Arbitrary number to make sure we don't have a stack overflow */
34 struct pa_json_object {
42 pa_hashmap *object_values; /* name -> object */
43 pa_idxset *array_values; /* objects */
47 /* JSON encoder context type */
48 typedef enum pa_json_context_type {
49 /* Top-level context of empty encoder. JSON element can be added. */
50 PA_JSON_CONTEXT_EMPTY = 0,
51 /* Top-level context of encoder with an element. JSON element cannot be added. */
52 PA_JSON_CONTEXT_TOP = 1,
53 /* JSON array context. JSON elements can be added. */
54 PA_JSON_CONTEXT_ARRAY = 2,
55 /* JSON object context. JSON object members can be added. */
56 PA_JSON_CONTEXT_OBJECT = 3,
57 } pa_json_context_type_t;
59 typedef struct encoder_context {
60 pa_json_context_type_t type;
62 struct encoder_context *next;
65 /* JSON encoder structure, a wrapper for pa_strbuf and encoder context */
66 struct pa_json_encoder {
68 encoder_context *context;
71 static const char* parse_value(const char *str, const char *end, pa_json_object **obj, unsigned int depth);
73 static pa_json_object* json_object_new(void) {
76 obj = pa_xnew0(pa_json_object, 1);
81 static bool is_whitespace(char c) {
82 return c == '\t' || c == '\n' || c == '\r' || c == ' ';
85 static bool is_digit(char c) {
86 return c >= '0' && c <= '9';
89 static bool is_end(const char c, const char *end) {
103 static const char* consume_string(const char *str, const char *expect) {
115 static const char* parse_null(const char *str, pa_json_object *obj) {
116 str = consume_string(str, "null");
119 obj->type = PA_JSON_TYPE_NULL;
124 static const char* parse_boolean(const char *str, pa_json_object *obj) {
127 tmp = consume_string(str, "true");
130 obj->type = PA_JSON_TYPE_BOOL;
131 obj->bool_value = true;
133 tmp = consume_string(str, "false");
136 obj->type = PA_JSON_TYPE_BOOL;
137 obj->bool_value = false;
144 static const char* parse_string(const char *str, pa_json_object *obj) {
145 pa_strbuf *buf = pa_strbuf_new();
147 str++; /* Consume leading '"' */
149 while (*str && *str != '"') {
151 /* We only accept ASCII printable characters. */
152 if (*str < 0x20 || *str > 0x7E) {
153 pa_log("Invalid non-ASCII character: 0x%x", (unsigned int) *str);
157 /* Normal character, juts consume */
158 pa_strbuf_putc(buf, *str);
160 /* Need to unescape */
167 pa_strbuf_putc(buf, *str);
171 pa_strbuf_putc(buf, '\b' /* backspace */);
175 pa_strbuf_putc(buf, '\f' /* form feed */);
179 pa_strbuf_putc(buf, '\n' /* new line */);
183 pa_strbuf_putc(buf, '\r' /* carriage return */);
187 pa_strbuf_putc(buf, '\t' /* horizontal tab */);
191 pa_log("Unicode code points are currently unsupported");
195 pa_log("Unexpected escape value: %c", *str);
204 pa_log("Failed to parse remainder of string: %s", str);
210 obj->type = PA_JSON_TYPE_STRING;
211 obj->string_value = pa_strbuf_to_string_free(buf);
220 static const char* parse_number(const char *str, pa_json_object *obj) {
221 bool has_fraction = false, has_exponent = false, valid = false;
222 char *candidate = NULL;
234 while (is_digit(*s)) {
242 pa_log("Missing digits while parsing number");
251 while (is_digit(*s)) {
257 pa_log("No digit after '.' while parsing fraction");
262 if (*s == 'e' || *s == 'E') {
267 if (*s == '-' || *s == '+')
270 while (is_digit(*s)) {
276 pa_log("No digit in exponent while parsing fraction");
281 /* Number format looks good, now try to extract the value.
282 * Here 's' points just after the string which will be consumed. */
284 candidate = pa_xstrndup(str, s - str);
286 if (has_fraction || has_exponent) {
287 if (pa_atod(candidate, &obj->double_value) < 0) {
288 pa_log("Cannot convert string '%s' to double value", str);
291 obj->type = PA_JSON_TYPE_DOUBLE;
293 if (pa_atoi64(candidate, &obj->int_value) < 0) {
294 pa_log("Cannot convert string '%s' to int64_t value", str);
297 obj->type = PA_JSON_TYPE_INT;
309 static const char *parse_object(const char *str, pa_json_object *obj, unsigned int depth) {
310 pa_json_object *name = NULL, *value = NULL;
312 obj->object_values = pa_hashmap_new_full(pa_idxset_string_hash_func, pa_idxset_string_compare_func,
313 pa_xfree, (pa_free_cb_t) pa_json_object_free);
315 while (*str != '}') {
316 str++; /* Consume leading '{' or ',' */
318 str = parse_value(str, ":", &name, depth + 1);
319 if (!str || pa_json_object_get_type(name) != PA_JSON_TYPE_STRING) {
320 pa_log("Could not parse key for object");
324 /* Consume the ':' */
327 str = parse_value(str, ",}", &value, depth + 1);
329 pa_log("Could not parse value for object");
333 pa_hashmap_put(obj->object_values, pa_xstrdup(pa_json_object_get_string(name)), value);
334 pa_json_object_free(name);
340 /* Drop trailing '}' */
343 /* We now know the value was correctly parsed */
344 obj->type = PA_JSON_TYPE_OBJECT;
349 pa_hashmap_free(obj->object_values);
350 obj->object_values = NULL;
353 pa_json_object_free(name);
355 pa_json_object_free(value);
360 static const char *parse_array(const char *str, pa_json_object *obj, unsigned int depth) {
361 pa_json_object *value;
363 obj->array_values = pa_idxset_new(NULL, NULL);
365 while (*str != ']') {
366 str++; /* Consume leading '[' or ',' */
368 /* Need to chew up whitespaces as a special case to deal with the
369 * possibility of an empty array */
370 while (is_whitespace(*str))
376 str = parse_value(str, ",]", &value, depth + 1);
378 pa_log("Could not parse value for array");
382 pa_idxset_put(obj->array_values, value, NULL);
385 /* Drop trailing ']' */
388 /* We now know the value was correctly parsed */
389 obj->type = PA_JSON_TYPE_ARRAY;
394 pa_idxset_free(obj->array_values, (pa_free_cb_t) pa_json_object_free);
395 obj->array_values = NULL;
400 JSON_PARSER_STATE_INIT,
401 JSON_PARSER_STATE_FINISH,
404 static const char* parse_value(const char *str, const char *end, pa_json_object **obj, unsigned int depth) {
405 json_parser_state state = JSON_PARSER_STATE_INIT;
408 pa_assert(str != NULL);
410 o = json_object_new();
412 if (depth > MAX_NESTING_DEPTH) {
413 pa_log("Exceeded maximum permitted nesting depth of objects (%u)", MAX_NESTING_DEPTH);
417 while (!is_end(*str, end)) {
419 case JSON_PARSER_STATE_INIT:
420 if (is_whitespace(*str)) {
422 } else if (*str == 'n') {
423 str = parse_null(str, o);
424 state = JSON_PARSER_STATE_FINISH;
425 } else if (*str == 't' || *str == 'f') {
426 str = parse_boolean(str, o);
427 state = JSON_PARSER_STATE_FINISH;
428 } else if (*str == '"') {
429 str = parse_string(str, o);
430 state = JSON_PARSER_STATE_FINISH;
431 } else if (is_digit(*str) || *str == '-') {
432 str = parse_number(str, o);
433 state = JSON_PARSER_STATE_FINISH;
434 } else if (*str == '{') {
435 str = parse_object(str, o, depth);
436 state = JSON_PARSER_STATE_FINISH;
437 } else if (*str == '[') {
438 str = parse_array(str, o, depth);
439 state = JSON_PARSER_STATE_FINISH;
441 pa_log("Invalid JSON string: %s", str);
450 case JSON_PARSER_STATE_FINISH:
451 /* Consume trailing whitespaces */
452 if (is_whitespace(*str)) {
460 if (pa_json_object_get_type(o) == PA_JSON_TYPE_INIT) {
461 /* We didn't actually get any data */
462 pa_log("No data while parsing json string: '%s' till '%s'", str, pa_strnull(end));
471 pa_json_object_free(o);
476 pa_json_object* pa_json_parse(const char *str) {
479 str = parse_value(str, NULL, &obj, 0);
482 pa_log("JSON parsing failed");
487 pa_log("Unable to parse complete JSON string, remainder is: %s", str);
488 pa_json_object_free(obj);
495 pa_json_type pa_json_object_get_type(const pa_json_object *obj) {
499 void pa_json_object_free(pa_json_object *obj) {
501 switch (pa_json_object_get_type(obj)) {
502 case PA_JSON_TYPE_INIT:
503 case PA_JSON_TYPE_INT:
504 case PA_JSON_TYPE_DOUBLE:
505 case PA_JSON_TYPE_BOOL:
506 case PA_JSON_TYPE_NULL:
509 case PA_JSON_TYPE_STRING:
510 pa_xfree(obj->string_value);
513 case PA_JSON_TYPE_OBJECT:
514 pa_hashmap_free(obj->object_values);
517 case PA_JSON_TYPE_ARRAY:
518 pa_idxset_free(obj->array_values, (pa_free_cb_t) pa_json_object_free);
522 pa_assert_not_reached();
528 int64_t pa_json_object_get_int(const pa_json_object *o) {
529 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_INT);
533 double pa_json_object_get_double(const pa_json_object *o) {
534 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_DOUBLE);
535 return o->double_value;
538 bool pa_json_object_get_bool(const pa_json_object *o) {
539 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_BOOL);
540 return o->bool_value;
543 const char* pa_json_object_get_string(const pa_json_object *o) {
544 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_STRING);
545 return o->string_value;
548 const pa_json_object* pa_json_object_get_object_member(const pa_json_object *o, const char *name) {
549 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_OBJECT);
550 return pa_hashmap_get(o->object_values, name);
553 const pa_hashmap *pa_json_object_get_object_member_hashmap(const pa_json_object *o) {
554 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_OBJECT);
555 return o->object_values;
558 int pa_json_object_get_array_length(const pa_json_object *o) {
559 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_ARRAY);
560 return pa_idxset_size(o->array_values);
563 const pa_json_object* pa_json_object_get_array_member(const pa_json_object *o, int index) {
564 pa_assert(pa_json_object_get_type(o) == PA_JSON_TYPE_ARRAY);
565 return pa_idxset_get_by_index(o->array_values, index);
568 bool pa_json_object_equal(const pa_json_object *o1, const pa_json_object *o2) {
571 if (pa_json_object_get_type(o1) != pa_json_object_get_type(o2))
574 switch (pa_json_object_get_type(o1)) {
575 case PA_JSON_TYPE_NULL:
578 case PA_JSON_TYPE_BOOL:
579 return o1->bool_value == o2->bool_value;
581 case PA_JSON_TYPE_INT:
582 return o1->int_value == o2->int_value;
584 case PA_JSON_TYPE_DOUBLE:
585 return PA_DOUBLE_IS_EQUAL(o1->double_value, o2->double_value);
587 case PA_JSON_TYPE_STRING:
588 return pa_streq(o1->string_value, o2->string_value);
590 case PA_JSON_TYPE_ARRAY:
591 if (pa_json_object_get_array_length(o1) != pa_json_object_get_array_length(o2))
594 for (i = 0; i < pa_json_object_get_array_length(o1); i++) {
595 if (!pa_json_object_equal(pa_json_object_get_array_member(o1, i),
596 pa_json_object_get_array_member(o2, i)))
602 case PA_JSON_TYPE_OBJECT: {
605 const pa_json_object *v1, *v2;
607 if (pa_hashmap_size(o1->object_values) != pa_hashmap_size(o2->object_values))
610 PA_HASHMAP_FOREACH_KV(key, v1, o1->object_values, state) {
611 v2 = pa_json_object_get_object_member(o2, key);
612 if (!v2 || !pa_json_object_equal(v1, v2))
620 pa_assert_not_reached();
624 /* Write functions. The functions are wrapper functions around pa_strbuf,
625 * so that the client does not need to use pa_strbuf directly. */
627 static void json_encoder_context_push(pa_json_encoder *encoder, pa_json_context_type_t type) {
630 encoder_context *head = pa_xnew0(encoder_context, 1);
632 head->next = encoder->context;
633 encoder->context = head;
636 /* Returns type of context popped off encoder context stack. */
637 static pa_json_context_type_t json_encoder_context_pop(pa_json_encoder *encoder) {
638 encoder_context *head;
639 pa_json_context_type_t type;
642 pa_assert(encoder->context);
644 type = encoder->context->type;
646 head = encoder->context->next;
647 pa_xfree(encoder->context);
648 encoder->context = head;
653 pa_json_encoder *pa_json_encoder_new(void) {
654 pa_json_encoder *encoder;
656 encoder = pa_xnew(pa_json_encoder, 1);
657 encoder->buffer = pa_strbuf_new();
659 encoder->context = NULL;
660 json_encoder_context_push(encoder, PA_JSON_CONTEXT_EMPTY);
665 void pa_json_encoder_free(pa_json_encoder *encoder) {
666 pa_json_context_type_t type;
669 /* should have exactly one encoder context left at this point */
670 pa_assert(encoder->context);
671 type = json_encoder_context_pop(encoder);
672 pa_assert(encoder->context == NULL);
674 pa_assert(type == PA_JSON_CONTEXT_TOP || type == PA_JSON_CONTEXT_EMPTY);
675 if (type == PA_JSON_CONTEXT_EMPTY)
676 pa_log_warn("JSON encoder is empty.");
679 pa_strbuf_free(encoder->buffer);
684 char *pa_json_encoder_to_string_free(pa_json_encoder *encoder) {
689 result = pa_strbuf_to_string_free(encoder->buffer);
691 encoder->buffer = NULL;
692 pa_json_encoder_free(encoder);
697 static void json_encoder_insert_delimiter(pa_json_encoder *encoder) {
700 if (encoder->context->counter++)
701 pa_strbuf_putc(encoder->buffer, ',');
704 /* Escapes p to create valid JSON string.
705 * The caller has to free the returned string. */
706 static char *pa_json_escape(const char *p) {
708 char *out_string, *output;
709 int char_count = strlen(p);
711 /* Maximum number of characters in output string
712 * including trailing 0. */
713 char_count = 2 * char_count + 1;
715 /* allocate output string */
716 out_string = pa_xmalloc(char_count);
719 /* write output string */
720 for (s = p; *s; ++s) {
755 if (*s < 0x20 || *s > 0x7E) {
756 pa_log("Invalid non-ASCII character: 0x%x", (unsigned int) *s);
757 pa_xfree(out_string);
770 static void json_write_string_escaped(pa_json_encoder *encoder, const char *value) {
775 escaped_value = pa_json_escape(value);
776 pa_strbuf_printf(encoder->buffer, "\"%s\"", escaped_value);
777 pa_xfree(escaped_value);
780 /* Writes an opening curly brace */
781 void pa_json_encoder_begin_element_object(pa_json_encoder *encoder) {
783 pa_assert(encoder->context->type != PA_JSON_CONTEXT_TOP);
785 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
786 encoder->context->type = PA_JSON_CONTEXT_TOP;
788 json_encoder_insert_delimiter(encoder);
789 pa_strbuf_putc(encoder->buffer, '{');
791 json_encoder_context_push(encoder, PA_JSON_CONTEXT_OBJECT);
794 /* Writes an opening curly brace */
795 void pa_json_encoder_begin_member_object(pa_json_encoder *encoder, const char *name) {
797 pa_assert(encoder->context);
798 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
799 pa_assert(name && name[0]);
801 json_encoder_insert_delimiter(encoder);
803 json_write_string_escaped(encoder, name);
804 pa_strbuf_putc(encoder->buffer, ':');
806 pa_strbuf_putc(encoder->buffer, '{');
808 json_encoder_context_push(encoder, PA_JSON_CONTEXT_OBJECT);
811 /* Writes a closing curly brace */
812 void pa_json_encoder_end_object(pa_json_encoder *encoder) {
813 pa_json_context_type_t type;
816 type = json_encoder_context_pop(encoder);
817 pa_assert(type == PA_JSON_CONTEXT_OBJECT);
819 pa_strbuf_putc(encoder->buffer, '}');
822 /* Writes an opening bracket */
823 void pa_json_encoder_begin_element_array(pa_json_encoder *encoder) {
825 pa_assert(encoder->context);
826 pa_assert(encoder->context->type != PA_JSON_CONTEXT_TOP);
828 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
829 encoder->context->type = PA_JSON_CONTEXT_TOP;
831 json_encoder_insert_delimiter(encoder);
832 pa_strbuf_putc(encoder->buffer, '[');
834 json_encoder_context_push(encoder, PA_JSON_CONTEXT_ARRAY);
837 /* Writes member name and an opening bracket */
838 void pa_json_encoder_begin_member_array(pa_json_encoder *encoder, const char *name) {
840 pa_assert(encoder->context);
841 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
842 pa_assert(name && name[0]);
844 json_encoder_insert_delimiter(encoder);
846 json_write_string_escaped(encoder, name);
847 pa_strbuf_putc(encoder->buffer, ':');
849 pa_strbuf_putc(encoder->buffer, '[');
851 json_encoder_context_push(encoder, PA_JSON_CONTEXT_ARRAY);
854 /* Writes a closing bracket */
855 void pa_json_encoder_end_array(pa_json_encoder *encoder) {
856 pa_json_context_type_t type;
859 type = json_encoder_context_pop(encoder);
860 pa_assert(type == PA_JSON_CONTEXT_ARRAY);
862 pa_strbuf_putc(encoder->buffer, ']');
865 void pa_json_encoder_add_element_string(pa_json_encoder *encoder, const char *value) {
867 pa_assert(encoder->context);
868 pa_assert(encoder->context->type == PA_JSON_CONTEXT_EMPTY || encoder->context->type == PA_JSON_CONTEXT_ARRAY);
870 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
871 encoder->context->type = PA_JSON_CONTEXT_TOP;
873 json_encoder_insert_delimiter(encoder);
875 json_write_string_escaped(encoder, value);
878 void pa_json_encoder_add_member_string(pa_json_encoder *encoder, const char *name, const char *value) {
880 pa_assert(encoder->context);
881 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
882 pa_assert(name && name[0]);
884 json_encoder_insert_delimiter(encoder);
886 json_write_string_escaped(encoder, name);
888 pa_strbuf_putc(encoder->buffer, ':');
890 /* Null value is written as empty element */
894 json_write_string_escaped(encoder, value);
897 static void json_write_null(pa_json_encoder *encoder) {
900 pa_strbuf_puts(encoder->buffer, "null");
903 void pa_json_encoder_add_element_null(pa_json_encoder *encoder) {
905 pa_assert(encoder->context);
906 pa_assert(encoder->context->type == PA_JSON_CONTEXT_EMPTY || encoder->context->type == PA_JSON_CONTEXT_ARRAY);
908 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
909 encoder->context->type = PA_JSON_CONTEXT_TOP;
911 json_encoder_insert_delimiter(encoder);
913 json_write_null(encoder);
916 void pa_json_encoder_add_member_null(pa_json_encoder *encoder, const char *name) {
918 pa_assert(encoder->context);
919 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
920 pa_assert(name && name[0]);
922 json_encoder_insert_delimiter(encoder);
924 json_write_string_escaped(encoder, name);
925 pa_strbuf_putc(encoder->buffer, ':');
927 json_write_null(encoder);
930 static void json_write_bool(pa_json_encoder *encoder, bool value) {
933 pa_strbuf_puts(encoder->buffer, value ? "true" : "false");
936 void pa_json_encoder_add_element_bool(pa_json_encoder *encoder, bool value) {
938 pa_assert(encoder->context);
939 pa_assert(encoder->context->type == PA_JSON_CONTEXT_EMPTY || encoder->context->type == PA_JSON_CONTEXT_ARRAY);
941 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
942 encoder->context->type = PA_JSON_CONTEXT_TOP;
944 json_encoder_insert_delimiter(encoder);
946 json_write_bool(encoder, value);
949 void pa_json_encoder_add_member_bool(pa_json_encoder *encoder, const char *name, bool value) {
951 pa_assert(encoder->context);
952 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
953 pa_assert(name && name[0]);
955 json_encoder_insert_delimiter(encoder);
957 json_write_string_escaped(encoder, name);
959 pa_strbuf_putc(encoder->buffer, ':');
961 json_write_bool(encoder, value);
964 static void json_write_int(pa_json_encoder *encoder, int64_t value) {
967 pa_strbuf_printf(encoder->buffer, "%"PRId64, value);
970 void pa_json_encoder_add_element_int(pa_json_encoder *encoder, int64_t value) {
972 pa_assert(encoder->context);
973 pa_assert(encoder->context->type == PA_JSON_CONTEXT_EMPTY || encoder->context->type == PA_JSON_CONTEXT_ARRAY);
975 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
976 encoder->context->type = PA_JSON_CONTEXT_TOP;
978 json_encoder_insert_delimiter(encoder);
980 json_write_int(encoder, value);
983 void pa_json_encoder_add_member_int(pa_json_encoder *encoder, const char *name, int64_t value) {
985 pa_assert(encoder->context);
986 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
987 pa_assert(name && name[0]);
989 json_encoder_insert_delimiter(encoder);
991 json_write_string_escaped(encoder, name);
993 pa_strbuf_putc(encoder->buffer, ':');
995 json_write_int(encoder, value);
998 static void json_write_double(pa_json_encoder *encoder, double value, int precision) {
1000 pa_strbuf_printf(encoder->buffer, "%.*f", precision, value);
1003 void pa_json_encoder_add_element_double(pa_json_encoder *encoder, double value, int precision) {
1005 pa_assert(encoder->context);
1006 pa_assert(encoder->context->type == PA_JSON_CONTEXT_EMPTY || encoder->context->type == PA_JSON_CONTEXT_ARRAY);
1008 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
1009 encoder->context->type = PA_JSON_CONTEXT_TOP;
1011 json_encoder_insert_delimiter(encoder);
1013 json_write_double(encoder, value, precision);
1016 void pa_json_encoder_add_member_double(pa_json_encoder *encoder, const char *name, double value, int precision) {
1018 pa_assert(encoder->context);
1019 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
1020 pa_assert(name && name[0]);
1022 json_encoder_insert_delimiter(encoder);
1024 json_write_string_escaped(encoder, name);
1026 pa_strbuf_putc(encoder->buffer, ':');
1028 json_write_double(encoder, value, precision);
1031 static void json_write_raw(pa_json_encoder *encoder, const char *raw_string) {
1033 pa_strbuf_puts(encoder->buffer, raw_string);
1036 void pa_json_encoder_add_element_raw_json(pa_json_encoder *encoder, const char *raw_json_string) {
1038 pa_assert(encoder->context);
1039 pa_assert(encoder->context->type == PA_JSON_CONTEXT_EMPTY || encoder->context->type == PA_JSON_CONTEXT_ARRAY);
1041 if (encoder->context->type == PA_JSON_CONTEXT_EMPTY)
1042 encoder->context->type = PA_JSON_CONTEXT_TOP;
1044 json_encoder_insert_delimiter(encoder);
1046 json_write_raw(encoder, raw_json_string);
1049 void pa_json_encoder_add_member_raw_json(pa_json_encoder *encoder, const char *name, const char *raw_json_string) {
1051 pa_assert(encoder->context);
1052 pa_assert(encoder->context->type == PA_JSON_CONTEXT_OBJECT);
1053 pa_assert(name && name[0]);
1055 json_encoder_insert_delimiter(encoder);
1057 json_write_string_escaped(encoder, name);
1059 pa_strbuf_putc(encoder->buffer, ':');
1061 json_write_raw(encoder, raw_json_string);