status-desktop/src-cpp/dotherside/StatusSyntaxHighlighter.cpp

#include "StatusSyntaxHighlighter.h"
#include <QQuickTextDocument>

StatusSyntaxHighlighter::StatusSyntaxHighlighter(QTextDocument* parent)
    : QSyntaxHighlighter(parent)
{
    HighlightingRule rule;

    //BOLD
    singlelineBoldFormat.setFontWeight(QFont::Bold);
    rule.pattern = QRegularExpression(QStringLiteral("\\*\\*(.*?)\\*\\*"));
    rule.format = singlelineBoldFormat;
    highlightingRules.append(rule);
    //BOLD

    //ITALIC
    singleLineItalicFormat.setFontItalic(true);
    rule.pattern = QRegularExpression(QStringLiteral("\\*(.*?)\\*"));
    rule.format = singleLineItalicFormat;
    highlightingRules.append(rule);
    //ITALIC

    //CODE
    singlelineCodeBlockFormat.setFontFamily("Roboto Mono");
    rule.pattern = QRegularExpression(QStringLiteral("\\`(.*?)\\`"));
    rule.format = singlelineCodeBlockFormat;
    highlightingRules.append(rule);
    //CODE

    //STRIKETHROUGH
    singleLineStrikeThroughFormat.setFontStrikeOut(true);
    rule.pattern = QRegularExpression(QStringLiteral("\\~+(.*?)\\~+"));
    rule.format = singleLineStrikeThroughFormat;
    highlightingRules.append(rule);
    //STRIKETHROUGH

    //CODE BLOCK
    multiLineCodeBlockFormat.setFontFamily("Roboto Mono");
    rule.pattern = QRegularExpression(QStringLiteral("\\`\\`\\`(.*?)\\`\\`\\`"));
    rule.format = multiLineCodeBlockFormat;
    highlightingRules.append(rule);
    //CODE BLOCK
}

void StatusSyntaxHighlighter::highlightBlock(const QString& text)
{
    for(const HighlightingRule& rule : qAsConst(highlightingRules))
    {
        QRegularExpressionMatchIterator matchIterator = rule.pattern.globalMatch(text);
        while(matchIterator.hasNext())
        {
            QRegularExpressionMatch match = matchIterator.next();
            setFormat(match.capturedStart(), match.capturedLength(), rule.format);
        }
    }
    setCurrentBlockState(0);
}

QQuickTextDocument* StatusSyntaxHighlighterHelper::quickTextDocument() const
{
    return m_quicktextdocument;
}

void StatusSyntaxHighlighterHelper::setQuickTextDocument(QQuickTextDocument* quickTextDocument)
{
    m_quicktextdocument = quickTextDocument;
    if(m_quicktextdocument)
    {
        new StatusSyntaxHighlighter(m_quicktextdocument->textDocument());
    }
}