Magic_Game/core/Tool/File.cpp

#include "..\e2dtool.h"
#include <commdlg.h>

std::list<e2d::String>	e2d::File::_searchPaths;

e2d::File::File()
	: _fileName()
	, _attributes(0)
{
}

e2d::File::File(const String & fileName)
	: _fileName(fileName)
	, _attributes(0)
{
	this->open(fileName);
}

e2d::File::~File()
{
}

bool e2d::File::open(const String & fileName)
{
	auto FindFile = [=](const String & path) -> bool
	{
		if (::_waccess((const wchar_t*)path, 0) == 0)
		{
			_attributes = ::GetFileAttributes((LPCTSTR)path);
			return true;
		}
		return false;
	};

	if (FindFile(fileName))
	{
		_fileName = fileName;
		return true;
	}
	else
	{
		for (auto& resPath : _searchPaths)
		{
			if (FindFile(resPath + fileName))
			{
				_fileName = resPath + fileName;
				return true;
			}
		}
	}
	return false;
}

bool e2d::File::exists() const
{
	return ::_waccess((const wchar_t*)_fileName, 0) == 0;
}

bool e2d::File::isFolder() const
{
	return _attributes & FILE_ATTRIBUTE_DIRECTORY;
}

e2d::String e2d::File::getFilePath() const
{
	return _fileName;
}

e2d::String e2d::File::getExtension() const
{
	String 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 = _fileName.getWString().find_last_of(L'.');
	// <20>ж<EFBFBD> pos <20>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>Чλ<D0A7><CEBB>
	if (pos != std::wstring::npos)
	{
		// <20><>ȡ<EFBFBD><C8A1>չ<EFBFBD><D5B9>
		fileExtension = _fileName.subtract(static_cast<int>(pos));
		// ת<><D7AA>ΪСд<D0A1><D0B4>ĸ
		fileExtension = fileExtension.toLower();
	}
	return fileExtension;
}

bool e2d::File::deleteFile()
{
	if (::DeleteFile((LPCWSTR)_fileName))
		return true;
	return false;
}

e2d::File e2d::File::extract(int resNameId, const String & resType, const String& destFileName)
{
	String destFilePath = Path::getTempPath() + destFileName;
	// <20><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>
	HANDLE hFile = ::CreateFile((LPCWSTR)destFilePath, GENERIC_WRITE, NULL, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_TEMPORARY, NULL);
	if (hFile == INVALID_HANDLE_VALUE)
		return std::move(File());

	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>ļ<EFBFBD><C4BC>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>ڴ桢<DAB4>õ<EFBFBD><C3B5><EFBFBD>Դ<EFBFBD><D4B4>С
	HRSRC hRes = ::FindResource(NULL, MAKEINTRESOURCE(resNameId), (LPCWSTR)resType);
	HGLOBAL hMem = ::LoadResource(NULL, hRes);
	DWORD dwSize = ::SizeofResource(NULL, hRes);

	if (hRes && hMem && dwSize)
	{
		// д<><D0B4><EFBFBD>ļ<EFBFBD>
		DWORD dwWrite = 0;
		::WriteFile(hFile, hMem, dwSize, &dwWrite, NULL);
		::CloseHandle(hFile);
		return File(destFilePath);
	}
	else
	{
		::CloseHandle(hFile);
		::DeleteFile((LPCWSTR)destFilePath);
		return std::move(File());
	}
}

void e2d::File::addSearchPath(const String & path)
{
	String tmp = path;
	tmp.replace(L"/", L"\\");
	if (tmp[tmp.getLength() - 1] != L'\\')
	{
		tmp << L"\\";
	}
	auto iter = std::find(_searchPaths.cbegin(), _searchPaths.cend(), tmp);
	if (iter == _searchPaths.cend())
	{
		_searchPaths.push_front(path);
	}
}

bool e2d::File::createFolder(const String & dirPath)
{
	if (dirPath.isEmpty() || dirPath.getLength() >= MAX_PATH)
		return false;

	wchar_t tmpDirPath[_MAX_PATH] = { 0 };
	int length = dirPath.getLength();

	for (int i = 0; i < length; ++i)
	{
		tmpDirPath[i] = dirPath.at(i);
		if (tmpDirPath[i] == L'\\' || tmpDirPath[i] == L'/' || i == (length - 1))
		{
			if (::_waccess(tmpDirPath, 0) != 0)
			{
				if (::_wmkdir(tmpDirPath) != 0)
				{
					return false;
				}
			}
		}
	}
	return true;
}

e2d::String e2d::File::getSaveFilePath(const String& title, const String& defExt)
{
	// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><D4BB><EFBFBD>
	OPENFILENAME ofn = { 0 };
	wchar_t 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 = Window::getInstance()->getHWnd();	// <20><><EFBFBD>ھ<EFBFBD><DABE><EFBFBD>
	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 = nullptr;						// <20><>ʼĿ¼ΪĬ<CEAA><C4AC>
	ofn.Flags = OFN_PATHMUSTEXIST | OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT;
	ofn.lpstrTitle = (LPCWSTR)title;					// <20><><EFBFBD><EFBFBD>
	ofn.lpstrDefExt = (LPCWSTR)defExt;					// Ĭ<><C4AC>׷<EFBFBD>ӵ<EFBFBD><D3B5><EFBFBD>չ<EFBFBD><D5B9>

	if (GetSaveFileName(&ofn))
	{
		return strFilename;
	}
	return std::move(String());
}