mirror of
https://github.com/cxasm/notepad--.git
synced 2026-10-20 00:09:43 +08:00
爬山虎
73 lines
1.6 KiB
C++
Executable File
73 lines
1.6 KiB
C++
Executable File
#include "dectfilechanges.h"
|
|
|
|
#ifdef WIN32
|
|
|
|
DectFileChanges::DectFileChanges():m_lastFileSize(0), m_curFileSize(0)
|
|
{
|
|
_szFile = NULL;
|
|
_dwNotifyFilter = 0;
|
|
}
|
|
|
|
|
|
DectFileChanges::~DectFileChanges()
|
|
{
|
|
}
|
|
|
|
|
|
BOOL DectFileChanges::DetectChanges() {
|
|
|
|
WIN32_FILE_ATTRIBUTE_DATA fInfo;
|
|
BOOL rValue = FALSE;
|
|
::GetFileAttributesEx(_szFile, GetFileExInfoStandard, &fInfo);
|
|
|
|
if ((_dwNotifyFilter & FILE_NOTIFY_CHANGE_SIZE) && (fInfo.nFileSizeHigh != _lastFileInfo.nFileSizeHigh || fInfo.nFileSizeLow != _lastFileInfo.nFileSizeLow)) {
|
|
rValue = TRUE;
|
|
}
|
|
|
|
if ((_dwNotifyFilter & FILE_NOTIFY_CHANGE_LAST_WRITE) && (fInfo.ftLastWriteTime.dwHighDateTime != _lastFileInfo.ftLastWriteTime.dwHighDateTime || fInfo.ftLastWriteTime.dwLowDateTime != _lastFileInfo.ftLastWriteTime.dwLowDateTime)) {
|
|
rValue = TRUE;
|
|
}
|
|
|
|
if (rValue)
|
|
{
|
|
m_lastFileSize = getFileSize(_lastFileInfo);
|
|
}
|
|
_lastFileInfo = fInfo;
|
|
|
|
if (rValue)
|
|
{
|
|
m_curFileSize = getFileSize(_lastFileInfo);
|
|
}
|
|
return rValue;
|
|
}
|
|
|
|
void DectFileChanges::AddFile(LPCTSTR szFile, DWORD dwNotifyFilter)
|
|
{
|
|
_szFile = szFile;
|
|
_dwNotifyFilter = dwNotifyFilter;
|
|
::GetFileAttributesEx(szFile, GetFileExInfoStandard, &_lastFileInfo);
|
|
}
|
|
|
|
|
|
void DectFileChanges::Terminate()
|
|
{
|
|
_szFile = NULL;
|
|
_dwNotifyFilter = 0;
|
|
}
|
|
quint64 DectFileChanges::getFileSize(WIN32_FILE_ATTRIBUTE_DATA& data)
|
|
{
|
|
quint64 fileSize = data.nFileSizeHigh;
|
|
fileSize = (fileSize << 32);
|
|
fileSize += data.nFileSizeLow;
|
|
|
|
return fileSize;
|
|
}
|
|
|
|
void DectFileChanges::getDiffFileSize(quint64& lastSize, quint64& curSize)
|
|
{
|
|
lastSize = m_lastFileSize;
|
|
curSize = m_curFileSize;
|
|
}
|
|
|
|
#endif
|