Function forEachCSSClass

valdi/src/valdi/runtime/CSS/CSSNode.cpp:22–54

template<typename T>
void forEachCSSClass(const StringBox& cssClasses, T&& callback) {
    size_t rangeStart = 0;
    size_t i = 0;
    auto length = cssClasses.length();

    const char* str = cssClasses.getCStr();

    while (i < length) {
        if (*str == ' ') {
            // Ignore empty range.
            if (rangeStart != i) {
                auto subStr =
                    Valdi::StringCache::getGlobal().makeString(cssClasses.getCStr() + rangeStart, i - rangeStart);
                callback(subStr);
            }

            rangeStart = i + 1;
        }

        str++;
        i++;
    }

    if (rangeStart != i) {
        if (rangeStart == 0) {
            // We had no multiple, pass the original string
            callback(cssClasses);
        } else {
            auto subStr = Valdi::StringCache::getGlobal().makeString(cssClasses.getCStr() + rangeStart, i - rangeStart);
            callback(subStr);
        }
    }
}

CSSNode::CSSNode() = default;