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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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122 lines
4.6 KiB
C++
122 lines
4.6 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere.hpp>
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#include "sprofile_srv_types.hpp"
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namespace ams::sprofile::srv {
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class ProfileImporter {
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private:
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bool m_committed;
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bool m_imported_metadata;
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int m_importing_count;
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util::optional<ProfileMetadata> m_metadata;
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Identifier m_importing_profiles[50];
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util::BitFlagSet<50> m_imported_profiles;
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Identifier m_revision_key;
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public:
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ProfileImporter(const util::optional<ProfileMetadata> &meta) : m_committed(false), m_imported_metadata(false), m_importing_count(0), m_metadata(util::nullopt), m_imported_profiles(), m_revision_key() {
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if (meta.has_value()) {
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m_metadata = *meta;
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}
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}
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public:
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bool HasProfile(Identifier id0, Identifier id1) {
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/* Require that we have metadata. */
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if (m_metadata.has_value()) {
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for (auto i = 0u; i < m_metadata->num_entries; ++i) {
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const auto &entry = m_metadata->entries[i];
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if (entry.identifier_0 == id0 && entry.identifier_1 == id1) {
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return true;
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}
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}
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}
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/* We don't have the desired profile. */
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return false;
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}
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bool CanImportMetadata() {
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/* We can only import metadata if we haven't already imported metadata. */
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return !m_imported_metadata;
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}
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void ImportMetadata(const ProfileMetadata &meta) {
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/* Set that we've imported metadata. */
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m_imported_metadata = true;
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/* Import the service revision key. */
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m_revision_key = meta.revision_key;
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/* Import all profiles. */
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for (auto i = 0u; i < meta.num_entries; ++i) {
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const auto &import_entry = meta.entries[i];
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if (!this->HasProfile(import_entry.identifier_0, import_entry.identifier_1)) {
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m_importing_profiles[m_importing_count++] = import_entry.identifier_0;
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}
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}
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}
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bool CanImportProfile(Identifier profile) {
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/* Require that we imported metadata. */
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if (m_imported_metadata) {
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/* Find the specified profile. */
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for (auto i = 0; i < m_importing_count; ++i) {
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if (m_importing_profiles[i] == profile) {
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/* Require the profile not already be imported. */
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return !m_imported_profiles[i];
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}
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}
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}
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/* We can't import the desired profile. */
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return false;
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}
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void OnImportProfile(Identifier profile) {
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/* Set the profile as imported. */
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for (auto i = 0; i < m_importing_count; ++i) {
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if (m_importing_profiles[i] == profile) {
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m_imported_profiles[i] = true;
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break;
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}
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}
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}
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bool CanCommit() {
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/* We can't commit if we've already committed. */
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if (m_committed) {
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return false;
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}
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/* We need metadata in order to commit. */
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if (!m_imported_metadata) {
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return false;
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}
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/* We need to have imported everything we intended to import. */
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return m_imported_profiles.PopCount() == m_importing_count;
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}
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int GetImportingCount() const { return m_importing_count; }
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Identifier GetImportingProfile(int i) const { return m_importing_profiles[i]; }
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Identifier GetRevisionKey() const { return m_revision_key; }
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};
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}
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