Method containedIn

plugins/quickopen/projectitemquickopen.cpp:40–65

    }

    inline int containedIn(const Identifier& id) const
    {
        int index = id.index();
        QHash<int, int>::const_iterator it = cache.constFind(index);
        if (it != cache.constEnd()) {
            return *it;
        }

        const QString idStr = id.identifier().str();

        int result = idStr.lastIndexOf(substring, -1, Qt::CaseInsensitive);
        if (result < 0 && !idStr.isEmpty() && !substring.isEmpty()) {
            // no match; try abbreviations
            result = matchesAbbreviation(idStr, substring) ? 0 : -1;
        }

        //here we shift the values if the matched string is bigger than the substring,
        //so closer matches will appear first
        if (result >= 0) {
            result = result + (idStr.size() - substring.size());
        }

        cache[index] = result;

        return result;
    }

    QString substring;
    mutable QHash<int, int> cache;