blobmsg_json: export blobmsg_add_object

[project/libubox.git] / blobmsg_json.c

diff --git a/blobmsg_json.c b/blobmsg_json.c
index 8997214..f629d76 100644 (file)
--- a/blobmsg_json.c
+++ b/blobmsg_json.c
@@ -1,22 +1,22 @@
 /*
- * 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 "blobmsg.h"
 #include "blobmsg_json.h"
 
-static bool blobmsg_add_object(struct blob_buf *b, json_object *obj)
+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))
@@ -98,6 +98,8 @@ struct strbuf {
 
        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)
@@ -116,6 +118,29 @@ static bool blobmsg_puts(struct strbuf *s, const char *c, int 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;
+
+       if (!s->indent) {
+               blobmsg_puts(s, &indent_space, 1);
+               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);
@@ -185,7 +210,7 @@ static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, boo
 
        if (!array && blobmsg_name(attr)[0]) {
                blobmsg_format_string(s, blobmsg_name(attr));
-               blobmsg_puts(s, ":", 1);
+               blobmsg_puts(s, ": ", 2);
        }
        if (head) {
                data = blob_data(attr);
@@ -203,17 +228,17 @@ static void blobmsg_format_element(struct strbuf *s, struct blob_attr *attr, boo
 
        data_str = buf;
        switch(blob_id(attr)) {
-       case BLOBMSG_TYPE_INT8:
-               sprintf(buf, "%d", *(uint8_t *)data);
+       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", be32_to_cpu(*(uint32_t *)data));
                break;
        case BLOBMSG_TYPE_INT64:
-               sprintf(buf, "%lld", (long long int) *(uint64_t *)data);
+               sprintf(buf, "%lld", (long long int) be64_to_cpu(*(uint64_t *)data));
                break;
        case BLOBMSG_TYPE_STRING:
                blobmsg_format_string(s, data);
@@ -236,18 +261,24 @@ static void blobmsg_format_json_list(struct strbuf *s, struct blob_attr *attr, i
        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;
 
@@ -256,6 +287,12 @@ char *blobmsg_format_json_with_cb(struct blob_attr *attr, bool list, blobmsg_jso
        s.pos = 0;
        s.custom_format = cb;
        s.priv = priv;
+       s.indent = false;
+
+       if (indent >= 0) {
+               s.indent = true;
+               s.indent_level = indent;
+       }
 
        if (list)
                blobmsg_format_json_list(&s, blob_data(attr), blob_len(attr), false);