void Buffer::updateTimeStamp() {
struct _stat buf;
time_t timeStamp = (generic_stat(_fullPathName.c_str(), &buf)==0)?buf.st_mtime:0;
if (timeStamp != _timeStamp) {
_timeStamp = timeStamp;
doNotify(BufferChangeTimestamp);
}
};
void Buffer::reload()
{
struct _stat buf;
if (PathFileExists(_fullPathName.c_str()) && not generic_stat(_fullPathName.c_str(), &buf))
{
_timeStamp = buf.st_mtime;
_currentStatus = DOC_NEEDRELOAD;
doNotify(BufferChangeTimestamp | BufferChangeStatus);
}
}
int Buffer::getFileLength() const
{
if (_currentStatus == DOC_UNNAMED)
return -1;
struct _stat buf;
if (PathFileExists(_fullPathName.c_str()))
{
if (!generic_stat(_fullPathName.c_str(), &buf))
return buf.st_size;
}
return -1;
}
generic_string Buffer::getFileTime(fileTimeType ftt)
{
if (_currentStatus == DOC_UNNAMED)
return TEXT("");
struct _stat buf;
if (PathFileExists(_fullPathName.c_str()))
{
if (!generic_stat(_fullPathName.c_str(), &buf))
{
time_t rawtime = ftt==ft_created?buf.st_ctime:ftt==ft_modified?buf.st_mtime:buf.st_atime;
tm *timeinfo = localtime(&rawtime);
const int temBufLen = 64;
TCHAR tmpbuf[temBufLen];
generic_strftime(tmpbuf, temBufLen, TEXT("%Y-%m-%d %H:%M:%S"), timeinfo);
return tmpbuf;
}
}
return TEXT("");
}
bool Buffer::checkFileState() //eturns true if the status has been changed (it can change into DOC_REGULAR too). false otherwise
{
if (_currentStatus == DOC_UNNAMED) //unsaved document cannot change by environment
return false;
struct _stat buf;
bool isWow64Off = false;
NppParameters *pNppParam = NppParameters::getInstance();
if (!PathFileExists(_fullPathName.c_str()))
{
pNppParam->safeWow64EnableWow64FsRedirection(FALSE);
isWow64Off = true;
}
bool isOK = false;
if (_currentStatus != DOC_DELETED && !PathFileExists(_fullPathName.c_str())) //document has been deleted
{
_currentStatus = DOC_DELETED;
_isFileReadOnly = false;
_isDirty = true; //dirty sicne no match with filesystem
_timeStamp = 0;
doNotify(BufferChangeStatus | BufferChangeReadonly | BufferChangeTimestamp);
isOK = true;
}
else if (_currentStatus == DOC_DELETED && PathFileExists(_fullPathName.c_str()))
{ //document has returned from its grave
if (!generic_stat(_fullPathName.c_str(), &buf))
{
_isFileReadOnly = (bool)(!(buf.st_mode & _S_IWRITE));
_currentStatus = DOC_MODIFIED;
_timeStamp = buf.st_mtime;
doNotify(BufferChangeStatus | BufferChangeReadonly | BufferChangeTimestamp);
isOK = true;
}
}
else if (!generic_stat(_fullPathName.c_str(), &buf))
{
int mask = 0; //status always 'changes', even if from modified to modified
bool isFileReadOnly = (bool)(!(buf.st_mode & _S_IWRITE));
if (isFileReadOnly != _isFileReadOnly)
{
_isFileReadOnly = isFileReadOnly;
mask |= BufferChangeReadonly;
}
if (_timeStamp != buf.st_mtime)
{
_timeStamp = buf.st_mtime;
mask |= BufferChangeTimestamp;
_currentStatus = DOC_MODIFIED;
mask |= BufferChangeStatus; //status always 'changes', even if from modified to modified
}
if (mask != 0)
{
doNotify(mask);
isOK = true;
}
isOK = false;
}
if (isWow64Off)
{
pNppParam->safeWow64EnableWow64FsRedirection(TRUE);
//isWow64Off = false;
}
return isOK;
}
