82 lines
3.7 KiB
C++
82 lines
3.7 KiB
C++
// SPDX-FileCopyrightText: 2023 James Graham <james.h.graham@protonmail.com>
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// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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#pragma once
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#include <QColor>
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#include <QGuiApplication>
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#include <QPalette>
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#include <QQmlEngine>
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#include <QRegularExpression>
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#include <Quotient/user.h>
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class QmlUtils : public QObject
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{
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Q_OBJECT
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QML_ELEMENT
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QML_SINGLETON
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public:
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static QmlUtils *create(QQmlEngine *, QJSEngine *)
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{
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QQmlEngine::setObjectOwnership(&instance(), QQmlEngine::CppOwnership);
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return &instance();
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}
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static QmlUtils &instance()
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{
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static QmlUtils _instance;
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return _instance;
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}
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Q_INVOKABLE QVariantMap getUser(Quotient::User *user) const;
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Q_INVOKABLE bool isValidJson(const QByteArray &json);
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private:
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QmlUtils() = default;
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};
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namespace Utils
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{
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/**
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* @brief Get a color for a user from a hueF value.
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*
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* The lightness of the color will be modified depending on the current palette in
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* order to maintain contrast.
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*/
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inline QColor getUserColor(qreal hueF)
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{
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const auto lightness = static_cast<QGuiApplication *>(QGuiApplication::instance())->palette().color(QPalette::Active, QPalette::Window).lightnessF();
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// https://github.com/quotient-im/libQuotient/wiki/User-color-coding-standard-draft-proposal
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return QColor::fromHslF(hueF, 1, -0.7 * lightness + 0.9, 1);
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}
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}
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namespace TextRegex
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{
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static const QRegularExpression endTagType{QStringLiteral("(>| )")};
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static const QRegularExpression attributeData{QStringLiteral("['\"](.*?)['\"]")};
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static const QRegularExpression removeReply{QStringLiteral("> <.*?>.*?\\n\\n"), QRegularExpression::DotMatchesEverythingOption};
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static const QRegularExpression removeRichReply{QStringLiteral("<mx-reply>.*?</mx-reply>"), QRegularExpression::DotMatchesEverythingOption};
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static const QRegularExpression codePill{QStringLiteral("<pre><code[^>]*>(.*?)</code></pre>"), QRegularExpression::DotMatchesEverythingOption};
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static const QRegularExpression userPill{QStringLiteral("(<a href=\"https://matrix.to/#/@.*?:.*?\">.*?</a>)"), QRegularExpression::DotMatchesEverythingOption};
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static const QRegularExpression blockQuote{QStringLiteral("<blockquote>\n?(?:<p>)?(.*?)(?:</p>)?\n?</blockquote>"),
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QRegularExpression::DotMatchesEverythingOption};
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static const QRegularExpression strikethrough{QStringLiteral("<del>(.*?)</del>"), QRegularExpression::DotMatchesEverythingOption};
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static const QRegularExpression mxcImage{QStringLiteral(R"AAA(<img(.*?)src="mxc:\/\/(.*?)\/(.*?)"(.*?)>)AAA")};
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static const QRegularExpression plainUrl(
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QStringLiteral(
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R"(<a.*?<\/a>(*SKIP)(*F)|\b((www\.(?!\.)(?!(\w|\.|-)+@)|(https?|ftp):(//)?\w|(magnet|matrix):)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^?&!,.\s<>'"\]):])))"),
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QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
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static const QRegularExpression
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url(QStringLiteral(R"(\b((www\.(?!\.)(?!(\w|\.|-)+@)|https?:(//)?\w)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))"),
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QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
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static const QRegularExpression emailAddress(QStringLiteral(R"(<a.*?<\/a>(*SKIP)(*F)|\b(mailto:)?((\w|\.|-)+@(\w|\.|-)+\.\w+\b))"),
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QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
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static const QRegularExpression mxId(QStringLiteral(R"((^|[][[:space:](){}`'";])([!#@][-a-z0-9_=#/.]{1,252}:\w(?:\w|\.|-)*\.\w+(?::\d{1,5})?))"),
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QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
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}
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