* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#include <inttypes.h>
#include "blobmsg.h"
#include "blobmsg_json.h"
-static bool blobmsg_add_object(struct blob_buf *b, json_object *obj)
+#ifdef JSONC
+ #include <json.h>
+#else
+ #include <json/json.h>
+#endif
+
+bool blobmsg_add_object(struct blob_buf *b, json_object *obj)
{
json_object_object_foreach(obj, key, val) {
if (!blobmsg_add_json_element(b, key, val))
bool ret = true;
void *c;
- if (!obj)
- return false;
-
switch (json_object_get_type(obj)) {
case json_type_object:
c = blobmsg_open_table(b, name);
case json_type_boolean:
blobmsg_add_u8(b, name, json_object_get_boolean(obj));
break;
- case json_type_int:
- blobmsg_add_u32(b, name, json_object_get_int(obj));
+ case json_type_int: {
+ int64_t i64 = json_object_get_int64(obj);
+ if (i64 >= INT32_MIN && i64 <= INT32_MAX) {
+ blobmsg_add_u32(b, name, (uint32_t)i64);
+ } else {
+ blobmsg_add_u64(b, name, (uint64_t)i64);
+ }
+ break;
+ }
+ case json_type_double:
+ blobmsg_add_double(b, name, json_object_get_double(obj));
+ break;
+ case json_type_null:
+ blobmsg_add_field(b, BLOBMSG_TYPE_UNSPEC, name, NULL, 0);
break;
default:
return false;
return ret;
}
-bool blobmsg_add_json_from_string(struct blob_buf *b, const char *str)
+static bool __blobmsg_add_json(struct blob_buf *b, json_object *obj)
{
- json_object *obj;
bool ret = false;
- obj = json_tokener_parse(str);
- if (is_error(obj))
+ if (!obj)
return false;
if (json_object_get_type(obj) != json_type_object)
return ret;
}
+bool blobmsg_add_json_from_file(struct blob_buf *b, const char *file)
+{
+ return __blobmsg_add_json(b, json_object_from_file(file));
+}
+
+bool blobmsg_add_json_from_string(struct blob_buf *b, const char *str)
+{
+ return __blobmsg_add_json(b, json_tokener_parse(str));
+}
+
struct strbuf {
int len;
static bool blobmsg_puts(struct strbuf *s, const char *c, int len)
{
+ size_t new_len;
+ char *new_buf;
+
if (len <= 0)
return true;
if (s->pos + len >= s->len) {
- s->len += 16;
- s->buf = realloc(s->buf, s->len);
- if (!s->buf)
+ new_len = s->len + 16 + len;
+ new_buf = realloc(s->buf, new_len);
+ if (!new_buf)
return false;
+
+ s->len = new_len;
+ s->buf = new_buf;
}
+
memcpy(s->buf + s->pos, c, len);
s->pos += len;
return true;
static void add_separator(struct strbuf *s)
{
- static char indent_chars[17] = "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
- static const char indent_space = ' ';
- int indent;
- char *start;
+ const char *indent_chars = "\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t";
+ size_t len;
- if (!s->indent) {
- blobmsg_puts(s, &indent_space, 1);
+ if (!s->indent)
return;
- }
- indent = s->indent_level;
- if (indent > 16)
- indent = 16;
+ len = s->indent_level + 1;
+ if (len > strlen(indent_chars))
+ len = strlen(indent_chars);
- start = &indent_chars[sizeof(indent_chars) - indent - 1];
- *start = '\n';
- blobmsg_puts(s, start, indent + 1);
- *start = '\t';
+ blobmsg_puts(s, indent_chars, len);
}
static void blobmsg_format_string(struct strbuf *s, const char *str)
{
- const char *p, *last = str, *end = str + strlen(str);
+ const unsigned char *p, *last, *end;
char buf[8] = "\\u00";
+ end = (unsigned char *) str + strlen(str);
blobmsg_puts(s, "\"", 1);
- for (p = str; *p; p++) {
+ for (p = (unsigned char *) str, last = p; *p; p++) {
char escape = '\0';
int len;
break;
case '"':
case '\\':
- case '/':
escape = *p;
break;
default:
continue;
if (p > last)
- blobmsg_puts(s, last, p - last);
+ blobmsg_puts(s, (char *) last, p - last);
last = p + 1;
buf[1] = escape;
if (escape == 'u') {
- sprintf(buf + 4, "%02x", (unsigned char) *p);
- len = 4;
+ snprintf(buf + 4, sizeof(buf) - 4, "%02x", (unsigned char) *p);
+ len = 6;
} else {
len = 2;
}
blobmsg_puts(s, buf, len);
}
- blobmsg_puts(s, last, end - last);
+ blobmsg_puts(s, (char *) last, end - last);
blobmsg_puts(s, "\"", 1);
}
static void blobmsg_format_json_list(struct strbuf *s, struct blob_attr *attr, int len, bool array);
-static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, bool array, bool head)
+static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, bool without_name, bool head)
{
const char *data_str;
- char buf[32];
+ char buf[317];
void *data;
int len;
if (!blobmsg_check_attr(attr, false))
return;
- if (!array && blobmsg_name(attr)[0]) {
+ if (!without_name && blobmsg_name(attr)[0]) {
blobmsg_format_string(s, blobmsg_name(attr));
- blobmsg_puts(s, ": ", 2);
+ blobmsg_puts(s, ": ", s->indent ? 2 : 1);
}
- if (head) {
- data = blob_data(attr);
- len = blob_len(attr);
- } else {
- data = blobmsg_data(attr);
- len = blobmsg_data_len(attr);
-
- if (s->custom_format) {
- data_str = s->custom_format(s->priv, attr);
- if (data_str)
- goto out;
- }
+
+ data = blobmsg_data(attr);
+ len = blobmsg_data_len(attr);
+
+ if (!head && s->custom_format) {
+ data_str = s->custom_format(s->priv, attr);
+ if (data_str)
+ goto out;
}
data_str = buf;
switch(blob_id(attr)) {
+ case BLOBMSG_TYPE_UNSPEC:
+ snprintf(buf, sizeof(buf), "null");
+ break;
case BLOBMSG_TYPE_BOOL:
- sprintf(buf, "%s", *(uint8_t *)data ? "true" : "false");
+ snprintf(buf, sizeof(buf), "%s", *(uint8_t *)data ? "true" : "false");
break;
case BLOBMSG_TYPE_INT16:
- sprintf(buf, "%d", be16_to_cpu(*(uint16_t *)data));
+ snprintf(buf, sizeof(buf), "%" PRId16, (int16_t) be16_to_cpu(*(uint16_t *)data));
break;
case BLOBMSG_TYPE_INT32:
- sprintf(buf, "%d", be32_to_cpu(*(uint32_t *)data));
+ snprintf(buf, sizeof(buf), "%" PRId32, (int32_t) be32_to_cpu(*(uint32_t *)data));
break;
case BLOBMSG_TYPE_INT64:
- sprintf(buf, "%lld", (long long int) be64_to_cpu(*(uint64_t *)data));
+ snprintf(buf, sizeof(buf), "%" PRId64, (int64_t) be64_to_cpu(*(uint64_t *)data));
+ break;
+ case BLOBMSG_TYPE_DOUBLE:
+ snprintf(buf, sizeof(buf), "%lf", blobmsg_get_double(attr));
break;
case BLOBMSG_TYPE_STRING:
blobmsg_format_string(s, data);
{
struct blob_attr *pos;
bool first = true;
- int rem = len;
+ size_t rem = len;
blobmsg_puts(s, (array ? "[" : "{" ), 1);
s->indent_level++;
blobmsg_puts(s, (array ? "]" : "}"), 1);
}
-char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_json_format_t cb, void *priv, int indent)
+static void setup_strbuf(struct strbuf *s, struct blob_attr *attr, blobmsg_json_format_t cb, void *priv, int indent)
{
- struct strbuf s;
-
- s.len = blob_len(attr);
- s.buf = malloc(s.len);
- s.pos = 0;
- s.custom_format = cb;
- s.priv = priv;
- s.indent = false;
+ s->len = blob_len(attr);
+ s->buf = malloc(s->len);
+ s->pos = 0;
+ s->custom_format = cb;
+ s->priv = priv;
+ s->indent = false;
if (indent >= 0) {
- s.indent = true;
- s.indent_level = indent;
+ s->indent = true;
+ s->indent_level = indent;
}
+}
+
+char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_json_format_t cb, void *priv, int indent)
+{
+ struct strbuf s = {0};
+ bool array;
+ char *ret;
+
+ setup_strbuf(&s, attr, cb, priv, indent);
+ if (!s.buf)
+ return NULL;
+
+ array = blob_is_extended(attr) &&
+ blobmsg_type(attr) == BLOBMSG_TYPE_ARRAY;
if (list)
- blobmsg_format_json_list(&s, blob_data(attr), blob_len(attr), false);
+ blobmsg_format_json_list(&s, blobmsg_data(attr), blobmsg_data_len(attr), array);
else
blobmsg_format_element(&s, attr, false, false);
- if (!s.len)
+ if (!s.len) {
+ free(s.buf);
+ return NULL;
+ }
+
+ ret = realloc(s.buf, s.pos + 1);
+ if (!ret) {
+ free(s.buf);
+ return NULL;
+ }
+
+ ret[s.pos] = 0;
+
+ return ret;
+}
+
+char *blobmsg_format_json_value_with_cb(struct blob_attr *attr, blobmsg_json_format_t cb, void *priv, int indent)
+{
+ struct strbuf s = {0};
+ char *ret;
+
+ setup_strbuf(&s, attr, cb, priv, indent);
+ if (!s.buf)
+ return NULL;
+
+ blobmsg_format_element(&s, attr, true, false);
+
+ if (!s.len) {
+ free(s.buf);
return NULL;
+ }
- s.buf = realloc(s.buf, s.pos + 1);
- s.buf[s.pos] = 0;
+ ret = realloc(s.buf, s.pos + 1);
+ if (!ret) {
+ free(s.buf);
+ return NULL;
+ }
+
+ ret[s.pos] = 0;
- return s.buf;
+ return ret;
}