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// Copyright 2020 Google LLC
//
// 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
//
// https://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 "platform/impl/windows/utils.h"
// Windows headers
#include <strsafe.h>
// Standard C/C++ headers
#include <codecvt>
#include <exception>
#include <string>
// Third party headers
#include "absl/strings/ascii.h"
#include "absl/strings/str_format.h"
// Nearby connections headers
#include "platform/api/crypto.h"
namespace location {
namespace nearby {
namespace windows {
std::string uint64_to_mac_address_string(uint64_t bluetoothAddress) {
std::string buffer = absl::StrFormat(
"%2llx:%2llx:%2llx:%2llx:%2llx:%2llx", bluetoothAddress >> 40,
(bluetoothAddress >> 32) & 0xff, (bluetoothAddress >> 24) & 0xff,
(bluetoothAddress >> 16) & 0xff, (bluetoothAddress >> 8) & 0xff,
bluetoothAddress & 0xff);
return absl::AsciiStrToUpper(buffer);
}
std::wstring string_to_wstring(std::string str) {
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
return converter.from_bytes(str);
}
std::string wstring_to_string(std::wstring wstr) {
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
return converter.to_bytes(wstr);
}
ByteArray Sha256(absl::string_view input, size_t size) {
ByteArray hash = location::nearby::Crypto::Sha256(input);
return ByteArray{hash.data(), size};
}
uint16 InspectableReader::ReadUint16(IInspectable inspectable) {
auto property_value =
inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
if (property_value == nullptr) {
throw std::invalid_argument("no property value interface.");
}
if (property_value.Type() !=
winrt::Windows::Foundation::PropertyType::UInt16) {
throw std::invalid_argument("not uin16 data type.");
}
return property_value.GetUInt16();
}
uint32 InspectableReader::ReadUint32(IInspectable inspectable) {
auto property_value =
inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
if (property_value == nullptr) {
throw std::invalid_argument("no property value interface.");
}
if (property_value.Type() !=
winrt::Windows::Foundation::PropertyType::UInt32) {
throw std::invalid_argument("not uin32 data type.");
}
return property_value.GetUInt32();
}
std::string InspectableReader::ReadString(IInspectable inspectable) {
auto property_value =
inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
if (property_value == nullptr) {
throw std::invalid_argument("no property value interface.");
}
if (property_value.Type() !=
winrt::Windows::Foundation::PropertyType::String) {
throw std::invalid_argument("not string data type.");
}
return wstring_to_string(property_value.GetString().c_str());
}
std::vector<std::string> InspectableReader::ReadStringArray(
IInspectable inspectable) {
std::vector<std::string> result;
auto property_value =
inspectable.try_as<winrt::Windows::Foundation::IPropertyValue>();
if (property_value == nullptr) {
throw std::invalid_argument("no property value interface.");
}
if (property_value.Type() !=
winrt::Windows::Foundation::PropertyType::StringArray) {
throw std::invalid_argument("not string array data type.");
}
winrt::com_array<winrt::hstring> strings;
property_value.GetStringArray(strings);
for (winrt::hstring str : strings) {
result.push_back(winrt::to_string(str));
}
return result;
}
} // namespace windows
} // namespace nearby
} // namespace location