bool CServerPath::DoChangePath(std::wstring &subdir, bool isFile)
{
std::wstring dir = subdir;
std::wstring file;
if (dir.empty()) {
if (empty() || isFile) {
return false;
}
else {
return true;
}
}
bool const was_empty = empty();
CServerPathData& data = m_data.get();
switch (m_type)
{
case VMS:
{
size_t pos1 = dir.find(traits[m_type].left_enclosure);
if (pos1 == std::wstring::npos) {
size_t pos2 = dir.rfind(traits[m_type].right_enclosure);
if (pos2 != std::wstring::npos) {
return false;
}
if (isFile) {
if (was_empty) {
return false;
}
file = dir;
break;
}
}
else {
size_t pos2 = dir.rfind(traits[m_type].right_enclosure);
if (pos2 == std::wstring::npos || pos2 <= pos1 + 1) {
return false;
}
bool enclosure_is_last = pos2 == (dir.size() - 1);
if (isFile == enclosure_is_last) {
return false;
}
if (isFile) {
file = dir.substr(pos2 + 1);
}
dir = dir.substr(0, pos2);
if (pos1) {
data.m_prefix = fz::sparse_optional<std::wstring>(dir.substr(0, pos1));
}
dir = dir.substr(pos1 + 1);
data.m_segments.clear();
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
if (data.m_segments.empty() && was_empty) {
return false;
}
}
break;
case DOS:
case DOS_FWD_SLASHES:
{
bool is_absolute = false;
size_t sep = dir.find_first_of(traits[m_type].separators);
if (sep == std::wstring::npos) {
sep = dir.size();
}
size_t colon = dir.find(':');
if (colon != std::wstring::npos && colon > 0 && colon == sep - 1) {
is_absolute = true;
}
if (is_absolute) {
data.m_segments.clear();
}
else if (IsSeparator(dir[0])) {
// Drive-relative path
if (data.m_segments.empty()) {
return false;
}
std::wstring first = data.m_segments.front();
data.m_segments.clear();
data.m_segments.push_back(first);
dir = dir.substr(1);
}
// else: Any other relative path
if (isFile && !ExtractFile(dir, file)) {
return false;
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
if (data.m_segments.empty() && was_empty) {
return false;
}
}
break;
case MVS:
{
// Remove the double quoation some servers send in PWD reply
size_t i = 0;
wchar_t c = dir[i];
while (c == FTP_MVS_DOUBLE_QUOTE) {
c = dir[++i];
}
dir.erase(0, i);
while (!dir.empty()) {
c = dir.back();
if (c != FTP_MVS_DOUBLE_QUOTE) {
break;
}
else {
dir.pop_back();
}
}
}
if (dir.empty()) {
return false;
}
if (dir[0] == traits[m_type].left_enclosure) {
if (dir.back() != traits[m_type].right_enclosure) {
return false;
}
dir = dir.substr(1, dir.size() - 2);
data.m_segments.clear();
}
else if (dir.back() == traits[m_type].right_enclosure) {
return false;
}
else if (was_empty) {
return false;
}
if (!dir.empty() && dir.back() == ')') {
// Partitioned dataset member
if (!isFile) {
return false;
}
size_t pos = dir.find('(');
if (pos == std::wstring::npos) {
return false;
}
dir.pop_back();
file = dir.substr(pos + 1);
dir = dir.substr(0, pos);
if (!was_empty && !data.m_prefix && !dir.empty()) {
return false;
}
data.m_prefix.clear();
}
else {
if (!was_empty && !data.m_prefix) {
if (dir.find('.') != std::wstring::npos || !isFile) {
return false;
}
}
if (isFile) {
if (!ExtractFile(dir, file)) {
return false;
}
data.m_prefix = fz::sparse_optional<std::wstring>(L".");
}
else if (!dir.empty() && dir.back() == '.') {
data.m_prefix = fz::sparse_optional<std::wstring>(L".");
}
else {
data.m_prefix.clear();
}
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
break;
case HPNONSTOP:
if (dir[0] == '\\') {
data.m_segments.clear();
}
if (isFile && !ExtractFile(dir, file)) {
return false;
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
if (data.m_segments.empty() && was_empty) {
return false;
}
break;
case VXWORKS:
{
if (dir[0] != ':') {
if (was_empty) {
return false;
}
}
else {
size_t colon2 = dir.find(':', 1);
if (colon2 == std::wstring::npos || colon2 == 1) {
return false;
}
data.m_prefix = fz::sparse_optional<std::wstring>(dir.substr(0, colon2 + 1));
dir = dir.substr(colon2 + 1);
data.m_segments.clear();
}
if (isFile && !ExtractFile(dir, file)) {
return false;
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
}
break;
case CYGWIN:
{
if (IsSeparator(dir[0])) {
data.m_segments.clear();
data.m_prefix.clear();
}
else if (was_empty) {
return false;
}
if (dir[0] == '/' && dir[1] == '/') {
data.m_prefix = fz::sparse_optional<std::wstring>(std::wstring(1, traits[m_type].separators[0]));
dir = dir.substr(1);
}
if (isFile && !ExtractFile(dir, file)) {
return false;
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
}
break;
default:
{
if (IsSeparator(dir[0])) {
data.m_segments.clear();
}
else if (was_empty) {
return false;
}
if (isFile && !ExtractFile(dir, file)) {
return false;
}
if (!Segmentize(dir, data.m_segments)) {
return false;
}
}
break;
}
if (!traits[m_type].has_root && data.m_segments.empty()) {
return false;
}
if (isFile) {
if (traits[m_type].has_dots) {
if (file == L".." || file == L".") {
return false;
}
}
subdir = file;
}
return true;
}
bool CServerPath::ChangePath(wxString &subdir, bool isFile)
{
wxString dir = subdir;
wxString file;
dir.Trim(true);
dir.Trim(false);
if (dir == _T(""))
{
if (IsEmpty() || isFile)
return false;
else
return true;
}
CServerPathData& data = m_data.Get();
switch (m_type)
{
case VMS:
{
int pos1 = dir.Find(traits[m_type].left_enclosure);
if (pos1 == -1)
{
int pos2 = dir.Find(traits[m_type].right_enclosure, true);
if (pos2 != -1)
return false;
if (isFile)
{
if (IsEmpty())
return false;
file = dir;
break;
}
}
else
{
int pos2 = dir.Find(traits[m_type].right_enclosure, true);
if (pos2 == -1 || pos2 <= pos1 + 1)
return false;
bool enclosure_is_last = static_cast<size_t>(pos2) == (dir.Length() - 1);
if (isFile == enclosure_is_last)
return false;
if (isFile)
file = dir.Mid(pos2 + 1);
dir = dir.Left(pos2);
if (pos1)
data.m_prefix = dir.Left(pos1);
dir = dir.Mid(pos1 + 1);
data.m_segments.clear();
}
if (!Segmentize(dir, data.m_segments))
return false;
if (data.m_segments.empty() && m_bEmpty)
return false;
}
break;
case DOS:
{
bool is_relative = false;
int sep = dir.Find(traits[m_type].separator);
if (sep == -1)
sep = dir.Len();
int colon = dir.Find(':');
if (colon > 0 && colon == sep - 1)
is_relative = true;
if (is_relative)
data.m_segments.clear();
else if (dir[0] == traits[m_type].separator)
{
if (data.m_segments.empty())
return false;
wxString first = data.m_segments.front();
data.m_segments.clear();
data.m_segments.push_back(first);
dir = dir.Mid(1);
}
if (isFile && !ExtractFile(dir, file))
return false;
if (!Segmentize(dir, data.m_segments))
return false;
if (data.m_segments.empty() && m_bEmpty)
return false;
}
break;
case MVS:
{
// Remove the double quoation some servers send in PWD reply
int i = 0;
wxChar c = dir.c_str()[i];
while (c == FTP_MVS_DOUBLE_QUOTE)
c = dir.c_str()[++i];
dir.Remove(0, i);
while (dir != _T(""))
{
c = dir.Last();
if (c != FTP_MVS_DOUBLE_QUOTE)
break;
else
dir.RemoveLast();
}
}
if (dir == _T(""))
return false;
if (dir.c_str()[0] == traits[m_type].left_enclosure)
{
if (dir.Last() != traits[m_type].right_enclosure)
return false;
dir.RemoveLast();
dir = dir.Mid(1);
data.m_segments.clear();
}
else if (dir.Last() == traits[m_type].right_enclosure)
return false;
else if (m_bEmpty)
return false;
if (dir.Last() == ')')
{
// Partitioned dataset member
if (!isFile)
return false;
int pos = dir.Find('(');
if (pos == -1)
return false;
dir.RemoveLast();
file = dir.Mid(pos + 1);
dir = dir.Left(pos);
if (!m_bEmpty && data.m_prefix == _T("") && !dir.empty())
return false;
data.m_prefix.clear();
}
else
{
if (!m_bEmpty && data.m_prefix == _T(""))
{
if (dir.Find('.') != -1 || !isFile)
return false;
}
if (isFile)
{
if (!ExtractFile(dir, file))
return false;
data.m_prefix = _T(".");
}
else if (dir.Last() == '.')
data.m_prefix = _T(".");
else
data.m_prefix.clear();
}
if (!Segmentize(dir, data.m_segments))
return false;
break;
case HPNONSTOP:
if (dir[0] == '\\')
data.m_segments.clear();
if (isFile && !ExtractFile(dir, file))
return false;
if (!Segmentize(dir, data.m_segments))
return false;
if (data.m_segments.empty() && m_bEmpty)
return false;
break;
case VXWORKS:
{
if (dir[0] != ':')
{
if (IsEmpty())
return false;
}
else
{
int colon2;
if ((colon2 = dir.Mid(1).Find(':')) < 1)
return false;
data.m_prefix = dir.Left(colon2 + 2);
dir = dir.Mid(colon2 + 2);
data.m_segments.clear();
}
if (isFile && !ExtractFile(dir, file))
return false;
if (!Segmentize(dir, data.m_segments))
return false;
}
break;
case CYGWIN:
{
if (dir[0] == traits[m_type].separator)
{
data.m_segments.clear();
data.m_prefix.clear();
}
else if (m_bEmpty)
return false;
if (dir.Left(2) == _T("//"))
{
data.m_prefix = traits[m_type].separator;
dir = dir.Mid(1);
}
if (isFile && !ExtractFile(dir, file))
return false;
if (!Segmentize(dir, data.m_segments))
return false;
}
break;
default:
{
if (dir[0] == traits[m_type].separator)
data.m_segments.clear();
else if (m_bEmpty)
return false;
if (isFile && !ExtractFile(dir, file))
return false;
if (!Segmentize(dir, data.m_segments))
return false;
}
break;
}
if (!traits[m_type].has_root && data.m_segments.empty())
return false;
if (isFile)
{
if (traits[m_type].has_dots)
{
if (file == _T("..") || file == _T("."))
return false;
}
subdir = file;
}
m_bEmpty = false;
return true;
}
