38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
// Copyright 2022-2023 The Mumble Developers. All rights reserved.
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file at the root of the
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// Mumble source tree or at <https://www.mumble.info/LICENSE>.
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#include "SettingsKeys.h"
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SettingsKey::SettingsKey(std::initializer_list< std::string > keyIDs) : m_ids(keyIDs.begin(), keyIDs.end()) {
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if (keyIDs.size() == 0) {
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// Don't use std::exception here in order to increase the chance of this "exception" remaining uncaught and
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// therefore crashing the application (if this happens, this is a non-recoverable programmer error).
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throw "SettingsKey instances must at least contain one ID!";
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}
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}
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SettingsKey::operator const char *() const {
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// The first entry is considered to be the most recent
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return m_ids[0].c_str();
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}
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SettingsKey::operator nlohmann::json::object_t::key_type() const {
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// The first entry is considered to be the most recent
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return m_ids[0].c_str();
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}
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nlohmann::json SettingsKey::selectFrom(const nlohmann::json &json) const {
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// Start with the most recent ID and go through to the oldest one. The first entry with a given ID, that exists,
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// will be selected.
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for (std::size_t i = 0; i < m_ids.size(); ++i) {
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if (json.contains(m_ids[i])) {
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return json[m_ids[i]];
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}
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}
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// Not found
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return {};
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}
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