#include "stdafx.h"
#include "SigmaView.h"
#include "Util.h"
#include "SigmaStore.h"
#include "SigmaDoc.h"
#include "UndoManager/UndoManager.h"
#include "StorageFactory.h"

/**
 * 获取对应文件的备份 SigmaDoc 指针
 * 
 * \param filePath 文件的绝对路径
 * \return 如果存在相应的备份信息，返回 SigamDoc 指针，否则返回 nullptr
 */
extern "C" __declspec(dllexport)
bool SigmaDocBackupExists(const LPCTSTR filePath)
{
	assert(filePath != nullptr);

	return CSigmaStore::GetInstance().Exist(filePath);
}

/**
 * 清理对应的备份文件
 * 
 * \param pDoc
 */
extern "C" __declspec(dllexport)
void SigmaDocClearBackup(CSigmaDoc* pDoc)
{
	assert(pDoc != nullptr);

	if (pDoc->m_FileName.IsEmpty())
	{
		return;
	}

	CSigmaStore::GetInstance().Clear(pDoc->m_FileName);
}

extern "C" __declspec(dllexport)
void SigmaDocEnableRecoverMode(CSigmaView* pView, bool enable)
{
	pView->m_pDoc->EnableRecoverMode(enable);
}