Magic_Game/Easy2D/Tool/EFileUtils.cpp

#include "..\etools.h"
#include "..\Win\winbase.h"
#include <sstream>
#include <algorithm>
#include <commdlg.h>

#define DEFINE_KNOWN_FOLDER(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
	EXTERN_C const GUID DECLSPEC_SELECTANY name \
	= { l, w1, w2,{ b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }

DEFINE_KNOWN_FOLDER(FOLDERID_LocalAppData, 0xF1B32785, 0x6FBA, 0x4FCF, 0x9D, 0x55, 0x7B, 0x8E, 0x7F, 0x15, 0x70, 0x91);

typedef HRESULT(WINAPI* pFunSHGetKnownFolderPath)(
	const GUID& rfid,
	DWORD dwFlags,
	HANDLE hToken,
	PWSTR *ppszPath);

e2d::EString e2d::EFileUtils::getLocalAppDataPath()
{
	// <20><>ȡ AppData\Local <20>ļ<EFBFBD><C4BC>е<EFBFBD>·<EFBFBD><C2B7>
	PWSTR pszPath = NULL;
	HMODULE hModule = LoadLibrary(L"shell32.dll");
	pFunSHGetKnownFolderPath SHGetKnownFolderPath = (pFunSHGetKnownFolderPath)GetProcAddress(hModule, "SHGetKnownFolderPath");
	HRESULT hr = SHGetKnownFolderPath(FOLDERID_LocalAppData, 0, NULL, &pszPath);

	if (SUCCEEDED(hr))
	{
		EString path = pszPath;
		CoTaskMemFree(pszPath);
		return path;
	}
	return L"";
}

e2d::EString e2d::EFileUtils::getDefaultSavePath()
{
	EString path = EFileUtils::getLocalAppDataPath();
	WARN_IF(path.empty(), "Cannot get local AppData path!");

	path.append(L"\\");
	path.append(EApp::getAppName());

	if (_waccess(path.c_str(), 0) == -1)
	{
		_wmkdir(path.c_str());
	}

	path.append(L"\\DefaultData.ini");

	return path;
}

void e2d::EFileUtils::saveInt(LPCTSTR key, int value)
{
	::WritePrivateProfileString(L"Default", key, std::to_wstring(value).c_str(), getDefaultSavePath().c_str());
}

void e2d::EFileUtils::saveFloat(LPCTSTR key, float value)
{
	::WritePrivateProfileString(L"Default", key, std::to_wstring(value).c_str(), getDefaultSavePath().c_str());
}

void e2d::EFileUtils::saveString(LPCTSTR key, LPCTSTR value)
{
	::WritePrivateProfileString(L"Default", key, value, getDefaultSavePath().c_str());
}

int e2d::EFileUtils::getInt(LPCTSTR key, int default)
{
	return ::GetPrivateProfileInt(L"Default", key, default, getDefaultSavePath().c_str());
}

float e2d::EFileUtils::getFloat(LPCTSTR key, float default)
{
	TCHAR temp[32] = { 0 };
	::GetPrivateProfileString(L"Default", key, std::to_wstring(default).c_str(), temp, 31, getDefaultSavePath().c_str());
	return std::stof(temp);
}

e2d::EString e2d::EFileUtils::geTString(LPCTSTR key, LPCTSTR default)
{
	TCHAR temp[256] = { 0 };
	::GetPrivateProfileString(L"Default", key, default, temp, 255, getDefaultSavePath().c_str());
	return EString(temp);
}

e2d::EString e2d::EFileUtils::getFileExtension(const EString & filePath)
{
	EString fileExtension;
	// <20>ҵ<EFBFBD><D2B5>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB> '.' <20><>λ<EFBFBD><CEBB>
	size_t pos = filePath.find_last_of('.');
	// <20>ж<EFBFBD> pos <20>Ƿ<EFBFBD><C7B7>Ǹ<EFBFBD><C7B8><EFBFBD>Чλ<D0A7><CEBB>
	if (pos != EString::npos)
	{
		// <20><>ȡ<EFBFBD><C8A1>չ<EFBFBD><D5B9>
		fileExtension = filePath.substr(pos, filePath.length());
		// ת<><D7AA>ΪСд<D0A1><D0B4>ĸ
		std::transform(fileExtension.begin(), fileExtension.end(), fileExtension.begin(), ::tolower);
	}

	return fileExtension;
}

e2d::EString e2d::EFileUtils::getSaveFilePath(LPCTSTR title, LPCTSTR defExt)
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB><EFBFBD>
	OPENFILENAME ofn = { 0 };
	TCHAR strFilename[MAX_PATH] = { 0 };				// <20><><EFBFBD>ڽ<EFBFBD><DABD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
	ofn.lStructSize = sizeof(OPENFILENAME);				// <20>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD>С
	ofn.hwndOwner = GetHWnd();							// ӵ<><D3B5><EFBFBD>Ŵ<EFBFBD><C5B4>ھ<EFBFBD><DABE><EFBFBD><EFBFBD><EFBFBD>NULL <20><>ʾ<EFBFBD>Ի<EFBFBD><D4BB><EFBFBD><EFBFBD>Ƿ<EFBFBD>ģ̬<C4A3><CCAC>
	ofn.lpstrFilter = L"<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>\0*.*\0\0";			// <20><><EFBFBD>ù<EFBFBD><C3B9><EFBFBD>
	ofn.nFilterIndex = 1;								// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	ofn.lpstrFile = strFilename;						// <20><><EFBFBD>շ<EFBFBD><D5B7>ص<EFBFBD><D8B5>ļ<EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
	ofn.nMaxFile = sizeof(strFilename);					// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	ofn.lpstrInitialDir = NULL;							// <20><>ʼĿ¼ΪĬ<CEAA><C4AC>
	ofn.Flags = OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;// Ŀ¼<C4BF><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	ofn.lpstrTitle = title;								// ʹ<><CAB9>ϵͳĬ<CDB3>ϱ<EFBFBD><CFB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>
	ofn.lpstrDefExt = defExt;							// Ĭ<><C4AC>׷<EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD>չ<EFBFBD><D5B9>

	if (GetSaveFileName(&ofn))
	{
		return strFilename;
	}
	return L"";
}