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Refactor LinkPreviewer

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Refactor `LinkPreviewer` to take an event and put the functions for getting the link in the class itself. This means the functions in `EventHandler` are no longer required.

This mr also sets up `LinkPreviewer` so that it is automatically updated when an event is edited. This includes changing the link if edited, and it can handle a message having a previous link removed or a one added when one didn't exist before.

Also adds test suite.
This commit is contained in:
James Graham
2024-01-07 18:07:13 +00:00
parent f361f4e2d8
commit 51f7de117d
22 changed files with 401 additions and 194 deletions
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26
src/utils.h
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@@ -4,6 +4,7 @@
#include <QColor>
#include <QGuiApplication>
#include <QPalette>
#include <QRegularExpression>
namespace Utils
{
@@ -21,3 +22,28 @@ inline QColor getUserColor(qreal hueF)
return QColor::fromHslF(hueF, 1, -0.7 * lightness + 0.9, 1);
}
}
namespace TextRegex
{
static const QRegularExpression endTagType{QStringLiteral("(>| )")};
static const QRegularExpression attributeData{QStringLiteral("['\"](.*?)['\"]")};
static const QRegularExpression removeReply{QStringLiteral("> <.*?>.*?\\n\\n"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression removeRichReply{QStringLiteral("<mx-reply>.*?</mx-reply>"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression codePill{QStringLiteral("<pre><code[^>]*>(.*?)</code></pre>"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression userPill{QStringLiteral("(<a href=\"https://matrix.to/#/@.*?:.*?\">.*?</a>)"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression blockQuote{QStringLiteral("<blockquote>\n?(?:<p>)?(.*?)(?:</p>)?\n?</blockquote>"),
QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression strikethrough{QStringLiteral("<del>(.*?)</del>"), QRegularExpression::DotMatchesEverythingOption};
static const QRegularExpression mxcImage{QStringLiteral(R"AAA(<img(.*?)src="mxc:\/\/(.*?)\/(.*?)"(.*?)>)AAA")};
static const QRegularExpression plainUrl(
QStringLiteral(
R"(<a.*?<\/a>(*SKIP)(*F)|\b((www\.(?!\.)(?!(\w|\.|-)+@)|(https?|ftp):(//)?\w|(magnet|matrix):)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
static const QRegularExpression
url(QStringLiteral(R"(\b((www\.(?!\.)(?!(\w|\.|-)+@)|https?:(//)?\w)(&(?![lg]t;)|[^&\s<>'"])+(&(?![lg]t;)|[^&!,.\s<>'"\]):])))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
static const QRegularExpression emailAddress(QStringLiteral(R"(<a.*?<\/a>(*SKIP)(*F)|\b(mailto:)?((\w|\.|-)+@(\w|\.|-)+\.\w+\b))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
static const QRegularExpression mxId(QStringLiteral(R"((^|[][[:space:](){}`'";])([!#@][-a-z0-9_=#/.]{1,252}:\w(?:\w|\.|-)*\.\w+(?::\d{1,5})?))"),
QRegularExpression::CaseInsensitiveOption | QRegularExpression::UseUnicodePropertiesOption);
}