axmol/cocos2dx/platform/blackberry/CCFileUtils.cpp

/****************************************************************************
Copyright (c) 2012 cocos2d-x.org

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****************************************************************************/

#define __CC_PLATFORM_FILEUTILS_CPP__
#include "platform/CCFileUtilsCommon_cpp.h"
#include "CCApplication.h"
#include <unistd.h>

NS_CC_BEGIN;

#define  MAX_PATH 256

static CCFileUtils *theFileUtils = 0;

CCFileUtils *CCFileUtils::sharedFileUtils()
{
	if (!theFileUtils)
		theFileUtils = new CCFileUtils();

	return theFileUtils;
}

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

    CC_SAFE_DELETE(theFileUtils);
}

void CCFileUtils::purgeCachedEntries()
{

}

static std::string fullPathFromRelativePathThreadSafe(const char* pszRelativePath)
{
	bool bFileExist = true;
	std::string ret("");
	std::string strPathWithoutResDir("");
    const char* pszRootPath = CCApplication::sharedApplication()->getResourceRootPath();
    CCAssert(pszRootPath != NULL, "The resource root path must be set in the main.cpp");
    CCAssert(pszRelativePath != NULL, "Parameter can't be NULL!");

    std::string pstrRelativePath = pszRelativePath;
    // if the relative path contains root path, skip it.
    if (pstrRelativePath.find(pszRootPath) == std::string::npos)
    {
    	ret += pszRootPath;
    }

    strPathWithoutResDir = ret + pszRelativePath;

    const char* resDir = CCFileUtils::sharedFileUtils()->getResourceDirectory();

    if (resDir != NULL)
    {
    	std::string pstrRootPath = pszRootPath;
    	std::string pstrResourceFullPath = pstrRootPath + resDir;
    	// if the relative path contains root path and resource directory, skip it.
    	if (pstrRelativePath.find(pstrResourceFullPath.c_str()) == std::string::npos)
    	{
    		ret += resDir;
    	}
    }

    ret += pszRelativePath;

    // If file or directory doesn't exist, try to find it in the root path.
    if (access(ret.c_str(), F_OK) == -1)
    {
    	//CCLOG("file or directory(%s) in Resource Directory doesn't exist.", ret.c_str());
    	ret = strPathWithoutResDir;

        if (access(ret.c_str(), F_OK) == -1)
        {
        	//CCLOG("file or directory(%s) in Root Directory also doesn't exist.", ret.c_str());
            bFileExist = false;
        }
        else
        {
        	//CCLOG("(%s) in Root Directory exist.", ret.c_str());
        }
    }
    else
    {
    	//CCLOG("(%s) in Resource Directory exist.", ret.c_str());
    }

    if (!bFileExist)
    { // Can't find the file, return the relative path.
    	ret = pszRelativePath;
    	//CCLOG("Can't find the file, return the relative path(%s).", ret.c_str());
    }

	return ret;
}

const char* CCFileUtils::fullPathFromRelativePath(const char *pszRelativePath)
{
	CCString* pRet = CCString::create("");
	std::string strFullPath = fullPathFromRelativePathThreadSafe(pszRelativePath);
	pRet->m_sString = strFullPath;
    return pRet->getCString();
}

const char *CCFileUtils::fullPathFromRelativeFile(const char *pszFilename, const char *pszRelativeFile)
{
	std::string relativeFile = pszRelativeFile;
	CCString *pRet = new CCString();
	pRet->autorelease();
	pRet->m_sString = relativeFile.substr(0, relativeFile.rfind('/')+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 *buffer = 0;
	std::string full_path(pszFileName);

	if (!pszFileName || !pszMode)
	{
		return 0;
	}

	do
	{
		full_path = fullPathFromRelativePathThreadSafe(full_path.c_str());
		// read from other path than user set it
		FILE *fp = fopen(full_path.c_str(), pszMode);
		CC_BREAK_IF(!fp);

		unsigned long size;
		fseek(fp,0,SEEK_END);
		size = ftell(fp);
		fseek(fp,0,SEEK_SET);
		buffer = new unsigned char[size];
		size = fread(buffer, sizeof(unsigned char), size, fp);
		fclose(fp);

		if (pSize)
		{
			*pSize = size;
		}
	} while (0);

	if (!buffer && isPopupNotify())
	{
		std::string title = "Notification";
		std::string msg = "Get data from file(";
		msg.append(full_path.c_str()).append(") failed!");
		CCMessageBox(msg.c_str(), title.c_str());
	}

	return buffer;
}

std::string CCFileUtils::getWriteablePath()
{
	// Let's write it in the current working directory's data folder
	char cwd[FILENAME_MAX];

	getcwd(cwd, FILENAME_MAX - 1);
	cwd[FILENAME_MAX-1] = '\0';

	std::string path = cwd;
	path += "/data/";

	return path;
}

NS_CC_END;