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      1 /******************************************************************************
      2  *
      3  *  Copyright 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 
     28 std::unique_ptr<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   std::unique_ptr<config_t> config = config_new_empty();
     46 
     47   for (XMLElement* i = rootElement->FirstChildElement(); i != NULL;
     48        i = i->NextSiblingElement())
     49     for (XMLElement* j = i->FirstChildElement(); j != NULL;
     50          j = j->NextSiblingElement()) {
     51       const char* section = j->Attribute("Tag");
     52       for (XMLElement* k = j->FirstChildElement(); k != NULL;
     53            k = k->NextSiblingElement()) {
     54         const char* key = k->Attribute("Tag");
     55         const char* value = k->GetText();
     56         if (section && key && value)
     57           config_set_string(config.get(), section, key, value);
     58       }
     59     }
     60 
     61   return config;
     62 }
     63