/*
- * blobmsg - library for generating/parsing structured blob messages
+ * Copyright (C) 2010-2012 Felix Fietkau <nbd@openwrt.org>
*
- * Copyright (C) 2010 Felix Fietkau <nbd@openwrt.org>
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License version 2.1
- * as published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * 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))
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;
blobmsg_json_format_t custom_format;
void *priv;
+ bool indent;
+ int indent_level;
};
static bool blobmsg_puts(struct strbuf *s, const char *c, int len)
return true;
if (s->pos + len >= s->len) {
- s->len += 16;
+ s->len += 16 + len;
s->buf = realloc(s->buf, s->len);
if (!s->buf)
return false;
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";
+ int indent;
+ char *start;
+
+ if (!s->indent)
+ return;
+
+ indent = s->indent_level;
+ if (indent > 16)
+ indent = 16;
+
+ start = &indent_chars[sizeof(indent_chars) - indent - 1];
+ *start = '\n';
+ blobmsg_puts(s, start, indent + 1);
+ *start = '\t';
+}
+
+
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;
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;
+ 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);
}
void *data;
int len;
+ if (!blobmsg_check_attr(attr, false))
+ return;
+
if (!array && blobmsg_name(attr)[0]) {
blobmsg_format_string(s, blobmsg_name(attr));
- blobmsg_puts(s, ":", 1);
+ 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_INT8:
- sprintf(buf, "%d", *(uint8_t *)data);
+ case BLOBMSG_TYPE_UNSPEC:
+ sprintf(buf, "null");
+ break;
+ case BLOBMSG_TYPE_BOOL:
+ sprintf(buf, "%s", *(uint8_t *)data ? "true" : "false");
break;
case BLOBMSG_TYPE_INT16:
- sprintf(buf, "%d", *(uint16_t *)data);
+ sprintf(buf, "%d", be16_to_cpu(*(uint16_t *)data));
break;
case BLOBMSG_TYPE_INT32:
- sprintf(buf, "%d", *(uint32_t *)data);
+ sprintf(buf, "%d", (int32_t) be32_to_cpu(*(uint32_t *)data));
break;
case BLOBMSG_TYPE_INT64:
- sprintf(buf, "%lld", *(uint64_t *)data);
+ sprintf(buf, "%" PRId64, (int64_t) be64_to_cpu(*(uint64_t *)data));
break;
case BLOBMSG_TYPE_STRING:
blobmsg_format_string(s, data);
bool first = true;
int rem = len;
- blobmsg_puts(s, (array ? "[ " : "{ "), 2);
+ blobmsg_puts(s, (array ? "[" : "{" ), 1);
+ s->indent_level++;
+ add_separator(s);
__blob_for_each_attr(pos, attr, rem) {
- if (!first)
- blobmsg_puts(s, ", ", 2);
+ if (!first) {
+ blobmsg_puts(s, ",", 1);
+ add_separator(s);
+ }
blobmsg_format_element(s, pos, array, false);
first = false;
}
- blobmsg_puts(s, (array ? " ]" : " }"), 2);
+ s->indent_level--;
+ add_separator(s);
+ blobmsg_puts(s, (array ? "]" : "}"), 1);
}
-char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_json_format_t cb, void *priv)
+char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_json_format_t cb, void *priv, int indent)
{
struct strbuf s;
+ bool array;
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;
+ }
+
+ 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;
+ }
s.buf = realloc(s.buf, s.pos + 1);
+ s.buf[s.pos] = 0;
+
return s.buf;
}
projects / project / libubox.git / blobdiff