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Remedy losing session problem after the power outrages

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In case of "session.xml" being corrupted after the power outrages, "session.xml.inCaseOfCorruption.bak" will replace "session.xml" on the next Notepad++ startup.

Fix #14781, close #14858
This commit is contained in:
Don Ho 2024-03-14 03:57:21 +01:00
parent 999b4d1887
commit aa3777786d
1 changed files with 76 additions and 27 deletions
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103
PowerEditor/src/Parameters.cpp
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@ -590,6 +590,8 @@ static const ScintillaKeyDefinition scintKeyDefs[] =
#define NONEEDSHORTCUTSXMLBACKUP_FILENAME L"v852NoNeedShortcutsBackup.xml"
#define SHORTCUTSXML_FILENAME L"shortcuts.xml"
#define SESSION_BACKUP_EXT L".inCaseOfCorruption.bak"
typedef void (WINAPI *PGNSI)(LPSYSTEM_INFO);
int strVal(const TCHAR *str, int base)
@ -1130,7 +1132,7 @@ std::wstring NppParameters::getSettingsFolder()
bool NppParameters::load()
{
L_END = L_EXTERNAL;
bool isAllLaoded = true;
bool isAllLoaded = true;
_isx64 = sizeof(void *) == 8;
@ -1310,7 +1312,7 @@ bool NppParameters::load()
delete _pXmlDoc;
_pXmlDoc = nullptr;
isAllLaoded = false;
isAllLoaded = false;
}
else
getLangKeywordsFromXmlTree();
@ -1379,7 +1381,7 @@ bool NppParameters::load()
}
delete _pXmlUserStylerDoc;
_pXmlUserStylerDoc = NULL;
isAllLaoded = false;
isAllLoaded = false;
}
else
getUserStylersFromXmlTree();
@ -1404,7 +1406,7 @@ bool NppParameters::load()
{
delete _pXmlUserLangDoc;
_pXmlUserLangDoc = nullptr;
isAllLaoded = false;
isAllLoaded = false;
}
else
{
@ -1466,7 +1468,7 @@ bool NppParameters::load()
{
delete _pXmlNativeLangDocA;
_pXmlNativeLangDocA = nullptr;
isAllLaoded = false;
isAllLoaded = false;
}
//---------------------------------//
@ -1481,7 +1483,7 @@ bool NppParameters::load()
{
delete _pXmlToolIconsDoc;
_pXmlToolIconsDoc = nullptr;
isAllLaoded = false;
isAllLoaded = false;
}
//------------------------------//
@ -1511,7 +1513,7 @@ bool NppParameters::load()
{
delete _pXmlShortcutDocA;
_pXmlShortcutDocA = nullptr;
isAllLaoded = false;
isAllLoaded = false;
}
else
{
@ -1544,7 +1546,7 @@ bool NppParameters::load()
{
delete _pXmlContextMenuDocA;
_pXmlContextMenuDocA = nullptr;
isAllLaoded = false;
isAllLoaded = false;
}
//---------------------------------------------//
@ -1574,10 +1576,35 @@ bool NppParameters::load()
TiXmlDocument* pXmlSessionDoc = new TiXmlDocument(_sessionPath);
loadOkay = pXmlSessionDoc->LoadFile();
if (loadOkay)
{
loadOkay = getSessionFromXmlTree(pXmlSessionDoc, _session);
}
if (!loadOkay)
isAllLaoded = false;
else
getSessionFromXmlTree(pXmlSessionDoc, _session);
{
wstring sessionInCaseOfCorruption_bak = _sessionPath;
sessionInCaseOfCorruption_bak += SESSION_BACKUP_EXT;
if (::PathFileExists(sessionInCaseOfCorruption_bak.c_str()))
{
ReplaceFile(_sessionPath.c_str(), sessionInCaseOfCorruption_bak.c_str(), nullptr, REPLACEFILE_IGNORE_MERGE_ERRORS | REPLACEFILE_IGNORE_ACL_ERRORS, 0, 0);
TiXmlDocument* pXmlSessionBackupDoc = new TiXmlDocument(_sessionPath);
loadOkay = pXmlSessionBackupDoc->LoadFile();
if (loadOkay)
loadOkay = getSessionFromXmlTree(pXmlSessionBackupDoc, _session);
delete pXmlSessionBackupDoc;
if (!loadOkay)
isAllLoaded = false;
}
else
{
isAllLoaded = false;
}
}
delete pXmlSessionDoc;
@ -1652,7 +1679,7 @@ bool NppParameters::load()
_isRegForOSAppRestartDisabled = (::PathFileExists(filePath.c_str()) == TRUE);
}
return isAllLaoded;
return isAllLoaded;
}
@ -3591,21 +3618,25 @@ void NppParameters::writeSession(const Session & session, const TCHAR *fileName)
{
const TCHAR *sessionPathName = fileName ? fileName : _sessionPath.c_str();
//
// Make sure session file is not read-only
//
removeReadOnlyFlagFromFileAttributes(sessionPathName);
//
// Backup session file before overriting it
//
TCHAR backupPathName[MAX_PATH]{};
BOOL doesBackupCopyExist = FALSE;
if (PathFileExists(sessionPathName))
{
_tcscpy(backupPathName, sessionPathName);
_tcscat(backupPathName, TEXT(".inCaseOfCorruption.bak"));
_tcscat(backupPathName, SESSION_BACKUP_EXT);
// Make sure backup file is not read-only, if it exists
removeReadOnlyFlagFromFileAttributes(backupPathName);
doesBackupCopyExist = CopyFile(sessionPathName, backupPathName, FALSE);
if (!doesBackupCopyExist)
if (!doesBackupCopyExist && !isEndSessionCritical())
{
wstring errTitle = L"Session file backup error: ";
errTitle += GetLastErrorAsString(0);
@ -3613,11 +3644,12 @@ void NppParameters::writeSession(const Session & session, const TCHAR *fileName)
}
}
//
// Prepare for writing
//
TiXmlDocument* pXmlSessionDoc = new TiXmlDocument(sessionPathName);
TiXmlDeclaration* decl = new TiXmlDeclaration(TEXT("1.0"), TEXT("UTF-8"), TEXT(""));
pXmlSessionDoc->LinkEndChild(decl);
TiXmlNode *root = pXmlSessionDoc->InsertEndChild(TiXmlElement(TEXT("NotepadPlus")));
if (root)
@ -3709,32 +3741,48 @@ void NppParameters::writeSession(const Session & session, const TCHAR *fileName)
}
}
//
// Write the session file
//
bool sessionSaveOK = pXmlSessionDoc->SaveFile();
if (!sessionSaveOK)
//
// Double checking: prevent written session file corrupted while writting
//
if (sessionSaveOK)
{
TiXmlDocument* pXmlSessionCheck = new TiXmlDocument(sessionPathName);
sessionSaveOK = pXmlSessionCheck->LoadFile();
if (sessionSaveOK)
{
Session sessionCheck;
sessionSaveOK = getSessionFromXmlTree(pXmlSessionCheck, sessionCheck);
}
delete pXmlSessionCheck;
}
else if (!isEndSessionCritical())
{
::MessageBox(nullptr, sessionPathName, L"Error of saving session XML file", MB_OK | MB_APPLMODAL | MB_ICONWARNING);
}
else
{
// Double checking: prevent written session file corrupted while writting
TiXmlDocument* pXmlSessionCheck = new TiXmlDocument(sessionPathName);
sessionSaveOK = pXmlSessionCheck->LoadFile();
delete pXmlSessionCheck;
}
//
// If error after double checking, restore session backup file
//
if (!sessionSaveOK)
{
if (doesBackupCopyExist) // session backup file exists, restore it
{
::MessageBox(nullptr, backupPathName, L"Saving session error - restore backup", MB_OK | MB_APPLMODAL | MB_ICONWARNING);
if (!isEndSessionCritical())
::MessageBox(nullptr, backupPathName, L"Saving session error - restoring from the backup:", MB_OK | MB_APPLMODAL | MB_ICONWARNING);
wstring sessionPathNameFail2Load = sessionPathName;
sessionPathNameFail2Load += L".fail2Load";
MoveFileEx(sessionPathName, sessionPathNameFail2Load.c_str(), MOVEFILE_REPLACE_EXISTING);
CopyFile(backupPathName, sessionPathName, FALSE);
ReplaceFile(sessionPathName, backupPathName, sessionPathNameFail2Load.c_str(), REPLACEFILE_IGNORE_MERGE_ERRORS | REPLACEFILE_IGNORE_ACL_ERRORS, 0, 0);
}
}
/*
* Keep session backup file in case of corrupted session file
*
else
{
if (backupPathName[0]) // session backup file not useful, delete it
@ -3742,6 +3790,7 @@ void NppParameters::writeSession(const Session & session, const TCHAR *fileName)
::DeleteFile(backupPathName);
}
}
*/
delete pXmlSessionDoc;
}