// We handle "parameters" separated by a semicolon, while KURL.cpp does not,
// which can lead to different results in some cases.
String KURL::lastPathComponent() const
{
if (!m_isValid)
return stringForInvalidComponent();
ASSERT(!m_string.isNull());
// When the output ends in a slash, WebCore has different expectations than
// the GoogleURL library. For "/foo/bar/" the library will return the empty
// string, but WebCore wants "bar".
url::Component path = m_parsed.path;
if (path.len > 0 && m_string[path.end() - 1] == '/')
path.len--;
url::Component file;
if (m_string.is8Bit())
url::ExtractFileName(asURLChar8Subtle(m_string), path, &file);
else
url::ExtractFileName(m_string.characters16(), path, &file);
// Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
// a null string when the path is empty, which we duplicate here.
if (!file.is_nonempty())
return String();
return componentString(file);
}
String KURL::componentString(const url::Component& component) const {
if (!m_isValid || component.len <= 0)
return stringForInvalidComponent();
// begin and len are in terms of bytes which do not match
// if string() is UTF-16 and input contains non-ASCII characters.
// However, the only part in urlString that can contain non-ASCII
// characters is 'ref' at the end of the string. In that case,
// begin will always match the actual value and len (in terms of
// byte) will be longer than what's needed by 'mid'. However, mid
// truncates len to avoid go past the end of a string so that we can
// get away without doing anything here.
return getString().substring(component.begin, component.len);
}
