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tromcho.net/src/util/json_util.cpp
T

86 lines
2.1 KiB
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// Copyright (c) Vitaliy Filippov, 2019+
// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
#include "str_util.h"
#include "json_util.h"
std::map<std::string, std::string> json_to_string_map(const json11::Json::object & config)
{
std::map<std::string, std::string> bs;
for (auto kv: config)
{
if (kv.second.is_string())
bs[kv.first] = kv.second.string_value();
else if (!kv.second.is_null())
bs[kv.first] = kv.second.dump();
}
return bs;
}
bool json_is_true(const json11::Json & val)
{
if (val.is_string())
return val == "true" || val == "yes" || val == "1";
return val.bool_value();
}
bool json_is_false(const json11::Json & val)
{
if (val.is_string())
return val.string_value() == "false" || val.string_value() == "no" || val.string_value() == "0";
if (val.is_number())
return val.number_value() == 0;
if (val.is_bool())
return !val.bool_value();
return false;
}
std::string implode(const std::string & sep, json11::Json array)
{
if (array.is_number() || array.is_bool() || array.is_string())
{
return array.as_string();
}
std::string res;
bool first = true;
for (auto & item: array.array_items())
{
res += (first ? item.as_string() : sep+item.as_string());
first = false;
}
return res;
}
static void json_array_add(json11::Json & to, json11::Json item)
{
if (to.is_null())
to = item;
else if (to.is_array())
{
auto a = to.array_items();
a.push_back(item);
to = a;
}
else
{
json11::Json::array a = {to};
a.push_back(item);
to = a;
}
}
json11::Json::object parse_uri_params(const std::string & params)
{
json11::Json::object obj;
auto list = explode("&", params, true);
for (auto & param: list)
{
auto pos = param.find("=");
if (pos != std::string::npos)
json_array_add(obj[urldecode(param.substr(0, pos))], urldecode(param.substr(pos+1)));
else
json_array_add(obj[urldecode(param)], true);
}
return obj;
}