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/*
* Copyright (c) 2017 TOYOTA MOTOR CORPORATION
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "json_helper.hpp"
#include "util.hpp"
template <typename T>
json_object *to_json_(T const &s)
{
auto a = json_object_new_array();
if (!s.empty())
{
for (auto const &i : s)
{
json_object_array_add(a, to_json(i.second));
}
}
return a;
}
json_object *to_json(std::vector<uint32_t> const &v)
{
auto a = json_object_new_array();
for (const auto i : v)
{
json_object_array_add(a, json_object_new_int(i));
}
return a;
}
namespace jh {
const char* getStringFromJson(json_object* obj, const char* key)
{
json_object* tmp;
if (!json_object_object_get_ex(obj, key, &tmp))
{
HMI_DEBUG("Not found key \"%s\"", key);
return nullptr;
}
return json_object_get_string(tmp);
}
int getIntFromJson(json_object *obj, const char *key)
{
json_object *tmp;
if (!json_object_object_get_ex(obj, key, &tmp))
{
HMI_DEBUG("Not found key \"%s\"", key);
return 0;
}
return json_object_get_int(tmp);
}
double getDoubleFromJson(json_object *obj, const char *key)
{
json_object *tmp;
if (!json_object_object_get_ex(obj, key, &tmp))
{
HMI_DEBUG("Not found key \"%s\"", key);
return 0;
}
return json_object_get_double(tmp);
}
json_bool getBoolFromJson(json_object *obj, const char *key)
{
json_object *tmp;
if (!json_object_object_get_ex(obj, key, &tmp))
{
HMI_DEBUG("Not found key \"%s\"", key);
return FALSE;
}
return json_object_get_boolean(tmp);
}
int inputJsonFilie(const char* file, json_object** obj)
{
const int input_size = 128;
int ret = -1;
HMI_DEBUG("Input file: %s", file);
// Open json file
FILE *fp = fopen(file, "rb");
if (nullptr == fp)
{
HMI_ERROR("Could not open file");
return ret;
}
// Parse file data
struct json_tokener *tokener = json_tokener_new();
enum json_tokener_error json_error;
char buffer[input_size];
int block_cnt = 1;
while (1)
{
size_t len = fread(buffer, sizeof(char), input_size, fp);
*obj = json_tokener_parse_ex(tokener, buffer, len);
if (nullptr != *obj)
{
HMI_DEBUG("File input is success");
ret = 0;
break;
}
json_error = json_tokener_get_error(tokener);
if ((json_tokener_continue != json_error)
|| (input_size > len))
{
HMI_ERROR("Failed to parse file (byte:%d err:%s)",
(input_size * block_cnt), json_tokener_error_desc(json_error));
HMI_ERROR("\n%s", buffer);
*obj = nullptr;
break;
}
block_cnt++;
}
// Close json file
fclose(fp);
// Free json_tokener
json_tokener_free(tokener);
return ret;
}
} // namespace jh
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