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#define JSON_PRIVATE
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <json.h>
#include "internal.h"
inline static void adjust_siblings(struct json *json, struct json *src) {
if (json->prev)
json->prev->next = src;
if (json->next)
json->next->prev = src;
}
void add_to_object(struct json *dest, char *key, struct json *src) {
assert(dest->type == JSON_OBJECT);
assert(key);
assert(src);
src->key = (free(src->key), key);
for (size_t i = 0; i < dest->children->nitems; i++) {
struct json *e = dest->children->items[i];
if (strcmp(e->key, key) == 0) {
src->index = e->index;
dest->children->items[i] = src;
src->parent = dest;
src->prev = e->prev;
src->next = e->next;
adjust_siblings(e, src);
json_clear(e);
free(e);
return;
}
}
add_children(dest, src);
}
enum json_parse_result parse_object(struct json **json_out, struct raw_json *raw, size_t depth) {
assert(raw->data[raw->index] == '{');
enum json_parse_result ret = JSON_PARSE_OK;
struct json *json = NULL;
struct json *obj = NULL;
char *key = NULL;
bool empty = true;
if (depth++ > 9) {
ret = JSON_PARSE_MAX_DEPTH_ERR;
goto err;
}
json = json_object();
if (!json)
return JSON_OOM;
do {
raw->index++;
skip_ws(raw);
if (raw->data[raw->index] == '}') {
if (empty) {
break;
}
ret = JSON_PARSE_EXPECTED_VALUE_ERR;
goto err;
}
if (raw->data[raw->index] != '"') {
ret = JSON_PARSE_OBJECT_INVALID_KEY_ERR;
goto err;
}
ret = parse_raw_string(&key, raw);
if (ret != JSON_PARSE_OK) {
goto err;
}
skip_ws(raw);
if (raw->data[raw->index] != ':') {
ret = JSON_PARSE_OBJECT_EXPECTED_VALUE_ERR;
goto err;
}
raw->index++;
skip_ws(raw);
ret = parse_value(&obj, raw, depth);
if (ret != JSON_PARSE_OK) {
goto err;
}
add_to_object(json, key, obj);
empty = false;
skip_ws(raw);
obj = NULL;
key = NULL;
} while (raw->index < raw->size && raw->data[raw->index] == ',');
if (raw->data[raw->index] != '}') {
ret = JSON_PARSE_INVALID_TOKEN_ERR;
goto err;
}
raw->index++;
*json_out = json;
goto end;
err:
json_clear(json);
json_clear(obj);
end:
return ret;
}
struct json *json_set(struct json *dest, const char *key, struct json *src) {
if (!dest || !key || !src)
return NULL;
json_detach(src);
add_to_object(dest, strdup(key), src);
return src;
}
struct json *json_get_mut(struct json *json, const char *key) {
if (!json_is_object(json) || !key)
return NULL;
json_foreach(j, json) {
if (strcmp(j->key, key) == 0)
return j;
}
return NULL;
}
struct json *json_get_sized_mut(struct json *json, size_t count, const char key[count]) {
if (!json_is_object(json) || !key)
return NULL;
json_foreach(j, json) {
if (strncmp(j->key, key, count) == 0)
return j;
}
return NULL;
}
const struct json *json_get_const(const struct json *obj, const char *key) {
return json_get_mut((struct json *) obj, key);
}
const struct json *json_get_sized_const(const struct json *obj, size_t count, const char key[count]) {
return json_get_sized_mut((struct json *) obj, count, key);
}
struct json *json_detach_key(struct json *json, const char *key) {
struct json *tmp = json_get(json, key);
json_detach(tmp);
return tmp;
}
struct json *json_swap_key(struct json *json, const char *key, struct json *src) {
if (!json_is_object(json) || !key)
return NULL;
json_detach(src);
json_foreach(j, json) {
if (strcmp(j->key, key)) {
json->children->items[j->index] = src;
src->index = j->index;
adjust_siblings(j, src);
return j;
}
}
return NULL;
}
void json_delete_key(struct json *json, const char *key) {
struct json *tmp = json_detach_key(json, key);
json_delete(tmp);
}
struct json *json_detach_key_sized(struct json *json, size_t len, const char key[len]) {
struct json *tmp = json_get_sized(json, len, key);
json_detach(tmp);
return tmp;
}
void json_delete_key_sized(struct json *json, size_t len, const char key[len]) {
struct json *tmp = json_detach_key_sized(json, len, key);
json_delete(tmp);
}
struct json *json_swap_key_sized(struct json *json, size_t len, const char key[len], struct json *src) {
if (!json_is_object(json) || !key)
return NULL;
json_detach(src);
json_foreach(j, json) {
if (strncmp(j->key, key, len)) {
json->children->items[j->index] = src;
src->index = j->index;
adjust_siblings(j, src);
return j;
}
}
return NULL;
}
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