Пример #1
0
// https://wicg.github.io/entries-api/#resolve-a-relative-path
static String resolveRelativeVirtualPath(StringView baseVirtualPath, StringView relativeVirtualPath)
{
    ASSERT(baseVirtualPath[0] == '/');
    if (!relativeVirtualPath.isEmpty() && relativeVirtualPath[0] == '/')
        return relativeVirtualPath.length() == 1 ? relativeVirtualPath.toString() : resolveRelativeVirtualPath("/", relativeVirtualPath.substring(1));

    Vector<StringView> virtualPathSegments;
    for (auto segment : baseVirtualPath.split('/'))
        virtualPathSegments.append(segment);

    for (auto segment : relativeVirtualPath.split('/')) {
        ASSERT(!segment.isEmpty());
        if (segment == ".")
            continue;
        if (segment == "..") {
            if (!virtualPathSegments.isEmpty())
                virtualPathSegments.removeLast();
            continue;
        }
        virtualPathSegments.append(segment);
    }

    if (virtualPathSegments.isEmpty())
        return "/"_s;

    StringBuilder builder;
    for (auto& segment : virtualPathSegments) {
        builder.append('/');
        builder.append(segment);
    }
    return builder.toString();
}
Пример #2
0
static bool isZeroOrMorePathSegmentsSeparatedBySlashes(StringView string)
{
    auto segments = string.split('/');
    for (auto segment : segments) {
        if (!isValidPathSegment(segment))
            return false;
    }
    return true;
}
Пример #3
0
// https://wicg.github.io/entries-api/#evaluate-a-path
String DOMFileSystem::evaluatePath(StringView virtualPath)
{
    ASSERT(virtualPath[0] == '/');

    Vector<StringView> resolvedComponents;
    for (auto component : virtualPath.split('/')) {
        if (component == ".")
            continue;
        if (component == "..") {
            if (!resolvedComponents.isEmpty())
                resolvedComponents.removeLast();
            continue;
        }
        resolvedComponents.append(component);
    }

    return FileSystem::pathByAppendingComponents(m_rootPath, resolvedComponents);
}