Esempio n. 1
0
jjm::Utf8String jjm::Path::getFileName() const
{
    Utf8String result; 
    pair<size_t, size_t> const lastComponent = getPrevComponent(path, path.size()); 
    result.append(path.data() + lastComponent.first, path.data() + lastComponent.second); 
    return result; 
}
Esempio n. 2
0
jjm::Path  jjm::Path::getAbsolutePath() const
{
#ifdef _WIN32
    if (isEmpty())
        return *this; 

    pair<size_t, size_t> prefix = ::getPrefix(path); 
    bool const hasPrefix = prefix.first != prefix.second; 
    bool const isAbs = isAbsolute(); 

    if (hasPrefix && isAbs)
        return *this; 

    Utf8String root;
    if (hasPrefix)
        root.append(path.data() + prefix.first, path.data() + prefix.second); 
    if (isAbs)
        root.push_back(preferredSeparator); 
    else
        root.push_back('.'); 

    Utf8String root2 = invokeGetFullPathW(root); 
    Path root3(root2); 
    Path result = resolve(root3); 

    pair<size_t, size_t> resultPrefix = ::getPrefix(result.path); 
    if (resultPrefix.first == resultPrefix.second)
        JFATAL(0, path); 
    if ( ! result.isAbsolute())
        JFATAL(0, path); 
    if (result.isRootPath())
        return result; 

    vector<pair<size_t, size_t> > components; 
    for (pair<size_t, size_t> component(resultPrefix.second, resultPrefix.second); ; )
    {   component = ::getNextComponent(result.path, component.second); 
        if (component.first == component.second)
            break; 
        if (1 == component.second - component.first && result.path.data()[component.first] == '.')
            continue; 
        components.push_back(component); 
    }
    for (size_t i = 0; i < components.size(); )
    {   if (2 == components[i].second - components[i].first 
                && result.path.data()[components[i].first] == '.'
                && result.path.data()[components[i].first + 1] == '.')
        {   if (i == 0)
                return Path(); 
            components.erase(components.begin() + i - 1, components.begin() + i + 1); 
            --i; 
        }else
        {   ++i; 
        }
    }

    Path result2; 
    result2.path.append(result.path.data() + resultPrefix.first, result.path.data() + resultPrefix.second); 
    if (components.size() == 0)
        result2.path.push_back(preferredSeparator); 
    for (size_t i = 0; i < components.size(); ++i)
    {   result2.path.push_back(preferredSeparator); 
        result2.path.append(result.path.data() + components[i].first, result.path.data() + components[i].second); 
    }
    return result2; 
#else
    if (isEmpty())
        return *this; 

    pair<size_t, size_t> prefix = ::getPrefix(path); 
    if (prefix.first != prefix.second)
        throw std::runtime_error("jjm::Path::makeAbsolute() on POSIX systems does not support prefixes"); 
    if (isAbsolute() == false)
    {
        errno = 0; 
        UniquePtr<char*, jjm::InvokeFree> currentWorkingDirectory(::getcwd(0, 0)); 
        int const lastErrno = errno;

        if (currentWorkingDirectory.get() == 0)
        {   string msg = string() + "jjm::Path::getAbsolutePath() failed. "
                    + "::getcwd(0, 0) failed. "; 
            //TODO throw runtime_error(msg + "errno " + toDecStr(lastErrno) + " " + getErrnoName(lastErrno) + ".");
            throw runtime_error(msg + "errno " + toDecStr(lastErrno) + ".");
        }
        return resolve(Path(currentWorkingDirectory.get()));
    }
    return *this; 
#endif
}