diff options
Diffstat (limited to 'launcher/StringUtils.cpp')
| -rw-r--r-- | launcher/StringUtils.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/launcher/StringUtils.cpp b/launcher/StringUtils.cpp index 0f3c3669..e08e6fdc 100644 --- a/launcher/StringUtils.cpp +++ b/launcher/StringUtils.cpp @@ -1,5 +1,45 @@ +// SPDX-License-Identifier: GPL-3.0-only +/* + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2022 Sefa Eyeoglu <contact@scrumplex.net> + * Copyright (C) 2023 flowln <flowlnlnln@gmail.com> + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * This file incorporates work covered by the following copyright and + * permission notice: + * + * Copyright 2013-2021 MultiMC Contributors + * + * 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 "StringUtils.h" +#include <QRegularExpression> +#include <QUuid> +#include <cmath> + /// If you're wondering where these came from exactly, then know you're not the only one =D /// TAKEN FROM Qt, because it doesn't expose it intelligently @@ -74,3 +114,71 @@ int StringUtils::naturalCompare(const QString& s1, const QString& s2, Qt::CaseSe // The two strings are the same (02 == 2) so fall back to the normal sort return QString::compare(s1, s2, cs); } + +QString StringUtils::truncateUrlHumanFriendly(QUrl& url, int max_len, bool hard_limit) +{ + auto display_options = QUrl::RemoveUserInfo | QUrl::RemoveFragment | QUrl::NormalizePathSegments; + auto str_url = url.toDisplayString(display_options); + + if (str_url.length() <= max_len) + return str_url; + + auto url_path_parts = url.path().split('/'); + QString last_path_segment = url_path_parts.takeLast(); + + if (url_path_parts.size() >= 1 && url_path_parts.first().isEmpty()) + url_path_parts.removeFirst(); // drop empty first segment (from leading / ) + + if (url_path_parts.size() >= 1) + url_path_parts.removeLast(); // drop the next to last path segment + + auto url_template = QStringLiteral("%1://%2/%3%4"); + + auto url_compact = url_path_parts.isEmpty() + ? url_template.arg(url.scheme(), url.host(), QStringList({ "...", last_path_segment }).join('/'), url.query()) + : url_template.arg(url.scheme(), url.host(), + QStringList({ url_path_parts.join('/'), "...", last_path_segment }).join('/'), url.query()); + + // remove url parts one by one if it's still too long + while (url_compact.length() > max_len && url_path_parts.size() >= 1) { + url_path_parts.removeLast(); // drop the next to last path segment + url_compact = url_path_parts.isEmpty() + ? url_template.arg(url.scheme(), url.host(), QStringList({ "...", last_path_segment }).join('/'), url.query()) + : url_template.arg(url.scheme(), url.host(), + QStringList({ url_path_parts.join('/'), "...", last_path_segment }).join('/'), url.query()); + } + + if ((url_compact.length() >= max_len) && hard_limit) { + // still too long, truncate normaly + url_compact = QString(str_url); + auto to_remove = url_compact.length() - max_len + 3; + url_compact.remove(url_compact.length() - to_remove - 1, to_remove); + url_compact.append("..."); + } + + return url_compact; +} + +static const QStringList s_units_si{ "KB", "MB", "GB", "TB" }; +static const QStringList s_units_kibi{ "KiB", "MiB", "GiB", "TiB" }; + +QString StringUtils::humanReadableFileSize(double bytes, bool use_si, int decimal_points) +{ + const QStringList units = use_si ? s_units_si : s_units_kibi; + const int scale = use_si ? 1000 : 1024; + + int u = -1; + double r = pow(10, decimal_points); + + do { + bytes /= scale; + u++; + } while (round(abs(bytes) * r) / r >= scale && u < units.length() - 1); + + return QString::number(bytes, 'f', 2) + " " + units[u]; +} + +QString StringUtils::getRandomAlphaNumeric() +{ + return QUuid::createUuid().toString(QUuid::Id128); +} |