Function findOpeningBracketOrEnd

kdevplatform/language/duchain/stringhelpers.cpp:298–337

Finds in @p str the position of @p parens[0] or @p parens[2] starting from @p pos at the top level. @return the position of the found symbol or str.size() if not found. @param parens see ParamIterator().

/// @return the position of the found symbol or str.size() if not found.
/// @param parens see ParamIterator().
int findOpeningBracketOrEnd(QStringView parens, QStringView str, int pos)
{
    Q_ASSERT(pos >= 0 && pos <= str.size());

    Q_ASSERT(parens.size() == 2 || parens.size() == 3);

    Q_ASSERT(QStringView(u"<([{").contains(parens[0]));
    Q_ASSERT(parens.first(2) == u"<>" || parens[1] == fittingClosingNonAngleBracket(parens[0]));

    Q_ASSERT(parens.size() == 2 || !QStringView(u"<>()[]{}").contains(parens[2]));

    for (; pos < str.size(); ++pos) {
        switch (str[pos].unicode()) {
        // Take into account brackets of all types to skip searched-for symbols within them (i.e. not at the top level).
        case '<':
            if (!isOperator(str, pos)) {
                if (str[pos] == parens[0]) {
                    return pos;
                }
                pos = findClosingAngleBracket(str, pos);
            }
            break;
        case '(':
        case '[':
        case '{':
            if (str[pos] == parens[0]) {
                return pos;
            }
            pos = findClosingNonAngleBracket(str, pos);
            break;
        default:
            if (parens.size() > 2 && str[pos] == parens[2]) {
                return pos;
            }
            pos = trySkipStringOrCharLiteralOrComment(str, pos);
        }
    }

    return str.size();
}
} // unnamed namespace

int findCommaOrEnd(QStringView str, int pos, QChar validEnd)