Method findURLs

src/decorators/URLFinder.cpp:59–113

}

void URLFinder::findURLs()
{
    clearURLs();

    int currentLine = editor->docLineFromVisible(editor->firstVisibleLine());
    int linesLeftToProcess = editor->linesOnScreen();
    const int flags = SCFIND_REGEXP;

    while(linesLeftToProcess >= 0 && currentLine < editor->lineCount()) {
        // Should only happen if the line is hidden
        if (!editor->lineVisible(currentLine)) {
            currentLine++;
            continue;
        }

        const int startPos = editor->positionFromLine(currentLine);
        const int endPos = editor->lineEndPosition(currentLine);
        QByteArray reg = QByteArrayLiteral(R"(\bhttps?://[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b(?:[-a-zA-Z0-9()@:%_\+.~#?&\/=]*))");

        Sci_TextToFind ttf {{startPos, (Sci_PositionCR)endPos}, reg.constData(), {-1, -1}};
        while (editor->send(SCI_FINDTEXT, flags, (sptr_t)&ttf) != -1) {
            const int startUrl = ttf.chrgText.cpMin;
            int endUrl = ttf.chrgText.cpMax;

            // Though technically certain characters are allowed in the URL such as brackets, parenthesis, etc
            // this adds a bit of logic to trim off the end character based on if something is in front if it, for example
            // [https://example.com] probably shouldn't include the last bracket since it starts with an opening bracket.
            if (startUrl > 0) {
                const int prevChar = static_cast<int>(editor->charAt(startUrl - 1));
                const int nextChar = static_cast<int>(editor->charAt(endUrl - 1));

                if ((prevChar == '(' && nextChar == ')') ||
                    (prevChar == '[' && nextChar == ']') ||
                    (prevChar == '<' && nextChar == '>') ||
                    (prevChar == '"' && nextChar == '"')) {
                    endUrl--;
                }
            }

            editor->indicatorFillRange(startUrl, endUrl - startUrl);
            ttf.chrg.cpMin = endUrl;
        }

        // If a line is wrapped, skip however many lines it takes up on the screen
        linesLeftToProcess -= editor->wrapCount(currentLine);

        // If the current line is a fold header and the fold is not expanded, skip
        if (((editor->foldLevel(currentLine) & SC_FOLDLEVELHEADERFLAG) == SC_FOLDLEVELHEADERFLAG) && (!editor->foldExpanded(currentLine))) {
            currentLine = editor->lastChild(currentLine, -1) + 1;
        }
        else {
            currentLine++;
        }
    }
}

void URLFinder::clearURLs()
{