axmol/cocos2dx/platform/win32/CCFileUtils.cpp

/****************************************************************************
Copyright (c) 2010 cocos2d-x.org

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#define __CC_PLATFORM_FILEUTILS_CPP__
#include "platform/CCFileUtilsCommon_cpp.h"
#include <windows.h>
#include <Shlobj.h>
#include "CCDirector.h"
#include "CCApplication.h"

using namespace std;

NS_CC_BEGIN

// record the resource path
static char s_pszResourcePath[MAX_PATH] = {0};

static void _CheckPath()
{
    if (! s_pszResourcePath[0])
    {
        WCHAR  wszPath[MAX_PATH] = {0};
        int nNum = WideCharToMultiByte(CP_ACP, 0, wszPath,
            GetCurrentDirectoryW(sizeof(wszPath), wszPath),
            s_pszResourcePath, MAX_PATH, NULL, NULL);
        s_pszResourcePath[nNum] = '\\';
    }
}

static CCFileUtils* s_pFileUtils = NULL;

CCFileUtils* CCFileUtils::sharedFileUtils()
{
    if (s_pFileUtils == NULL)
    {
        s_pFileUtils = new CCFileUtils();
        _CheckPath();
    }
    return s_pFileUtils;
}

void CCFileUtils::purgeFileUtils()
{
    if (s_pFileUtils != NULL)
    {
        s_pFileUtils->purgeCachedEntries();
    }

    CC_SAFE_DELETE(s_pFileUtils);
}

void CCFileUtils::purgeCachedEntries()
{

}

const char* CCFileUtils::fullPathFromRelativePath(const char *pszRelativePath)
{
    bool bFileExist = true;
    const char* resDir = m_obDirectory.c_str();
    CCString* pRet = CCString::create("");

    const std::string& resourceRootPath = CCApplication::sharedApplication()->getResourceRootPath();
    if ((strlen(pszRelativePath) > 1 && pszRelativePath[1] == ':'))
    {
        // path start with "x:", is absolute path
        pRet->m_sString = pszRelativePath;
    }
    else if (strlen(pszRelativePath) > 0
        && ('/' == pszRelativePath[0] || '\\' == pszRelativePath[0]))
    {
        // path start with '/' or '\', is absolute path without driver name
        char szDriver[3] = {s_pszResourcePath[0], s_pszResourcePath[1], 0};
        pRet->m_sString = szDriver;
        pRet->m_sString += pszRelativePath;
    }
    else if (resourceRootPath.length() > 0)
    {
        pRet->m_sString = resourceRootPath.c_str();
        pRet->m_sString += m_obDirectory.c_str();
        pRet->m_sString += pszRelativePath;
    }
    else
    {
        pRet->m_sString = s_pszResourcePath;
        pRet->m_sString += resDir;
        pRet->m_sString += pszRelativePath;
    }

    // If file or directory doesn't exist, try to find it in the root path.
    if (GetFileAttributesA(pRet->m_sString.c_str()) == -1)
    {
        pRet->m_sString = s_pszResourcePath;
        pRet->m_sString += pszRelativePath;

        if (GetFileAttributesA(pRet->m_sString.c_str()) == -1)
        {
            bFileExist = false;
        }
    }

    if (!bFileExist)
    { // Can't find the file, return the relative path.
        pRet->m_sString = pszRelativePath;
    }

    return pRet->m_sString.c_str();
}

const char *CCFileUtils::fullPathFromRelativeFile(const char *pszFilename, const char *pszRelativeFile)
{
    // std::string relativeFile = fullPathFromRelativePath(pszRelativeFile);
    std::string relativeFile = pszRelativeFile;
    CCString *pRet = CCString::create("");
    pRet->m_sString = relativeFile.substr(0, relativeFile.find_last_of("/\\") + 1);
    pRet->m_sString += pszFilename;
    return pRet->m_sString.c_str();
}

unsigned char* CCFileUtils::getFileData(const char* pszFileName, const char* pszMode, unsigned long* pSize)
{
    unsigned char* pBuffer = NULL;
    CCAssert(pszFileName != NULL && pSize != NULL && pszMode != NULL, "Invaild parameters.");
    *pSize = 0;
    do
    {
        // read the file from hardware
        FILE *fp = fopen(pszFileName, pszMode);
        CC_BREAK_IF(!fp);

        fseek(fp,0,SEEK_END);
        *pSize = ftell(fp);
        fseek(fp,0,SEEK_SET);
        pBuffer = new unsigned char[*pSize];
        *pSize = fread(pBuffer,sizeof(unsigned char), *pSize,fp);
        fclose(fp);
    } while (0);

    if (! pBuffer && isPopupNotify())
    {
        std::string title = "Notification";
        std::string msg = "Get data from file(";
        msg.append(pszFileName).append(") failed!");

        CCMessageBox(msg.c_str(), title.c_str());
    }
    return pBuffer;
}

string CCFileUtils::getWriteablePath()
{
	// Get full path of executable, e.g. c:\Program Files (x86)\My Game Folder\MyGame.exe
	char full_path[_MAX_PATH + 1];
	::GetModuleFileNameA(NULL, full_path, _MAX_PATH + 1);

	// Debug app uses executable directory; Non-debug app uses local app data directory
#ifndef _DEBUG
		// Get filename of executable only, e.g. MyGame.exe
		char *base_name = strrchr(full_path, '\\');

		if(base_name)
		{
			char app_data_path[_MAX_PATH + 1];

			// Get local app data directory, e.g. C:\Documents and Settings\username\Local Settings\Application Data
			if (SUCCEEDED(SHGetFolderPathA(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, app_data_path)))
			{
				string ret((char*)app_data_path);

				// Adding executable filename, e.g. C:\Documents and Settings\username\Local Settings\Application Data\MyGame.exe
				ret += base_name;

				// Remove ".exe" extension, e.g. C:\Documents and Settings\username\Local Settings\Application Data\MyGame
				ret = ret.substr(0, ret.rfind("."));

				ret += "\\";

				// Create directory
				if (SUCCEEDED(SHCreateDirectoryExA(NULL, ret.c_str(), NULL)))
				{
					return ret;
				}
			}
		}
#endif // not defined _DEBUG

	// If fetching of local app data directory fails, use the executable one
	string ret((char*)full_path);

	// remove xxx.exe
	ret =  ret.substr(0, ret.rfind("\\") + 1);

	return ret;
}

NS_CC_END