axmol/cocos2dx/platform/win32/CCFileUtils_win32.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
of this software and associated documentation files (the "Software"), to deal
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#include "windows.h"

using namespace std;

NS_CC_BEGIN;

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

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

void CCFileUtils::setResourcePath(const char *pszResourcePath)
{
    CCAssert(pszResourcePath != NULL, "[FileUtils setResourcePath] -- wrong resource path");
    CCAssert(strlen(pszResourcePath) <= MAX_PATH, "[FileUtils setResourcePath] -- resource path too long");

    strcpy(s_pszResourcePath, pszResourcePath);
}

const char* CCFileUtils::fullPathFromRelativePath(const char *pszRelativePath)
{
	_CheckPath();

    CCString * pRet = new CCString();
    pRet->autorelease();
    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
    {
        pRet->m_sString = s_pszResourcePath;
        pRet->m_sString += pszRelativePath;
    }
#if (CC_IS_RETINA_DISPLAY_SUPPORTED)
    if (CC_CONTENT_SCALE_FACTOR() != 1.0f)
    {
        std::string hiRes = pRet->m_sString.c_str();
        std::string::size_type pos = hiRes.find_last_of("/\\");
        std::string::size_type dotPos = hiRes.find_last_of(".");
        
        if (std::string::npos != dotPos && dotPos > pos)
        {
            hiRes.insert(dotPos, CC_RETINA_DISPLAY_FILENAME_SUFFIX);
        }
        else
        {
            hiRes.append(CC_RETINA_DISPLAY_FILENAME_SUFFIX);
        }
        DWORD attrib = GetFileAttributesA(hiRes.c_str());
        
        if (attrib != INVALID_FILE_ATTRIBUTES && ! (FILE_ATTRIBUTE_DIRECTORY & attrib))
        {
            pRet->m_sString.swap(hiRes);
        }
    }
#endif
	return pRet->m_sString.c_str();
}

const char *CCFileUtils::fullPathFromRelativeFile(const char *pszFilename, const char *pszRelativeFile)
{
	_CheckPath();
	// std::string relativeFile = fullPathFromRelativePath(pszRelativeFile);
	std::string relativeFile = pszRelativeFile;
	CCString *pRet = new CCString();
	pRet->autorelease();
	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;

    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 && getIsPopupNotify())
    {
        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;
}

void CCFileUtils::setResource(const char* pszZipFileName)
{
    CCAssert(0, "Have not implement!");
}

const char* CCFileUtils::getResourcePath(void)
{
    CCAssert(0, "Have not implement!");
    return NULL;
}

void CCFileUtils::setRelativePath(const char* pszRelativePath)
{
    CCAssert(0, "Have not implement!");
}

string CCFileUtils::getWriteablePath()
{
	// return the path that the exe file saved in

	char full_path[_MAX_PATH + 1];
	::GetModuleFileNameA(NULL, full_path, _MAX_PATH + 1);

	string ret((char*)full_path);

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

	return ret;
}

NS_CC_END;