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[ENHANCE] (Author: Andreas Jonsson) Improve readability by using RAII to reset events.

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git-svn-id: svn://svn.tuxfamily.org/svnroot/notepadplus/repository/trunk@1316 f5eea248-9336-0410-98b8-ebc06183d4e3
This commit is contained in:
Don Ho 2014-12-24 18:47:24 +00:00
parent 15542d7c8d
commit 04cd96d11c
1 changed files with 26 additions and 15 deletions
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41
PowerEditor/src/ScitillaComponent/Buffer.cpp
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@ -835,6 +835,24 @@ bool FileManager::backupCurrentBuffer()
return result; return result;
} }
class EventReset
{
public:
EventReset(HANDLE h)
{
_h = h;
}
~EventReset()
{
::SetEvent(_h);
::CloseHandle(_h);
}
private:
HANDLE _h;
};
bool FileManager::deleteCurrentBufferBackup() bool FileManager::deleteCurrentBufferBackup()
{ {
HANDLE writeEvent = ::OpenEvent(EVENT_ALL_ACCESS, TRUE, TEXT("nppWrittingEvent")); HANDLE writeEvent = ::OpenEvent(EVENT_ALL_ACCESS, TRUE, TEXT("nppWrittingEvent"));
@ -856,6 +874,8 @@ bool FileManager::deleteCurrentBufferBackup()
::ResetEvent(writeEvent); ::ResetEvent(writeEvent);
} }
EventReset reset(writeEvent); // Will reset event in destructor.
Buffer * buffer = _pNotepadPlus->getCurrentBuffer(); Buffer * buffer = _pNotepadPlus->getCurrentBuffer();
bool result = true; bool result = true;
generic_string backupFilePath = buffer->getBackupFileName(); generic_string backupFilePath = buffer->getBackupFileName();
@ -867,9 +887,7 @@ bool FileManager::deleteCurrentBufferBackup()
result = (::DeleteFile(file2Delete.c_str()) != 0); result = (::DeleteFile(file2Delete.c_str()) != 0);
} }
// set to signaled state // set to signaled state via destructor EventReset.
::SetEvent(writeEvent);
::CloseHandle(writeEvent);
return result; return result;
} }
@ -894,6 +912,7 @@ bool FileManager::saveBuffer(BufferID id, const TCHAR * filename, bool isCopy, g
::ResetEvent(writeEvent); ::ResetEvent(writeEvent);
} }
EventReset reset(writeEvent); // Will reset event in destructor.
Buffer * buffer = getBufferByID(id); Buffer * buffer = getBufferByID(id);
bool isHidden = false; bool isHidden = false;
bool isSys = false; bool isSys = false;
@ -969,9 +988,7 @@ bool FileManager::saveBuffer(BufferID id, const TCHAR * filename, bool isCopy, g
if(error_msg != NULL) if(error_msg != NULL)
*error_msg = TEXT("Failed to save file.\nNot enough space on disk to save file?"); *error_msg = TEXT("Failed to save file.\nNot enough space on disk to save file?");
// set to signaled state // set to signaled state via destructor EventReset.
::SetEvent(writeEvent);
::CloseHandle(writeEvent);
return false; return false;
} }
@ -996,9 +1013,7 @@ bool FileManager::saveBuffer(BufferID id, const TCHAR * filename, bool isCopy, g
} }
*/ */
// set to signaled state // set to signaled state via destructor EventReset.
::SetEvent(writeEvent);
::CloseHandle(writeEvent);
return true; //all done return true; //all done
} }
@ -1019,14 +1034,10 @@ bool FileManager::saveBuffer(BufferID id, const TCHAR * filename, bool isCopy, g
::DeleteFile(file2Delete.c_str()); ::DeleteFile(file2Delete.c_str());
} }
// set to signaled state // set to signaled state via destructor EventReset.
::SetEvent(writeEvent);
::CloseHandle(writeEvent);
return true; return true;
} }
// set to signaled state // set to signaled state via destructor EventReset.
::SetEvent(writeEvent);
::CloseHandle(writeEvent);
return false; return false;
} }