1 /******************************************************************************
2  *
3  *  Copyright (C) 2014 Google, Inc.
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at:
8  *
9  *  http://www.apache.org/licenses/LICENSE-2.0
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  ******************************************************************************/
18 
19 #define LOG_TAG "bt_btif_config_transcode"
20 
21 #include <tinyxml2.h>
22 
23 #include "osi/include/config.h"
24 #include "osi/include/log.h"
25 
26 using namespace tinyxml2;
27 
btif_config_transcode(const char * xml_filename)28 config_t* btif_config_transcode(const char* xml_filename) {
29   XMLDocument document;
30   int error = document.LoadFile(xml_filename);
31   if (error != XML_SUCCESS) {
32     LOG_ERROR(LOG_TAG, "%s unable to load XML file '%s': %d", __func__,
33               xml_filename, error);
34     return NULL;
35   }
36 
37   XMLElement* rootElement = document.RootElement();
38   if (!rootElement) {
39     LOG_ERROR(LOG_TAG,
40               "%s unable to find root element; assuming corrupted config file.",
41               __func__);
42     return NULL;
43   }
44 
45   config_t* config = config_new_empty();
46   if (!config) {
47     LOG_ERROR(LOG_TAG, "%s unable to allocate config object.", __func__);
48     return NULL;
49   }
50 
51   for (XMLElement* i = rootElement->FirstChildElement(); i != NULL;
52        i = i->NextSiblingElement())
53     for (XMLElement* j = i->FirstChildElement(); j != NULL;
54          j = j->NextSiblingElement()) {
55       const char* section = j->Attribute("Tag");
56       for (XMLElement* k = j->FirstChildElement(); k != NULL;
57            k = k->NextSiblingElement()) {
58         const char* key = k->Attribute("Tag");
59         const char* value = k->GetText();
60         if (section && key && value)
61           config_set_string(config, section, key, value);
62       }
63     }
64 
65   return config;
66 }
67