axmol/cocos2dx/platform/qnx/CCFileUtils_qnx.cpp

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

http://www.cocos2d-x.org

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

#include "CCFileUtils.h"
#include "CCCommon.h"
#include "CCString.h"
#include <string>
#include <unistd.h>

NS_CC_BEGIN;

#define  MAX_PATH 256

// record the resource path
static std::string s_strResourcePath = "";
static std::string s_pszZipFilePath  = "";

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");

    if (!pszResourcePath)
    	return;

    s_strResourcePath = pszResourcePath;

	// if the path is not ended with '/', append it
	if (s_strResourcePath.find("/") != (strlen(s_strResourcePath.c_str()) - 1))
	{
		s_strResourcePath += "/";
	}
}

const char* CCFileUtils::fullPathFromRelativePath(const char *pszRelativePath)
{
	// It works like this: if the relative path already includes the resource path
	// it will be returned as it is
	const std::string relPath = pszRelativePath;
	if (relPath.find(s_strResourcePath) == std::string::npos) 
    {
		CCString *pRet = new CCString();
		pRet->autorelease();
		pRet->m_sString = s_strResourcePath + pszRelativePath;
		return pRet->m_sString.c_str();
	}
	else 
    {
		return pszRelativePath;
	}
}

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 = NULL;

	std::string full_path = pszFileName;

	// If it is not inside resource path
	if (full_path.find(s_strResourcePath) == std::string::npos) 
    {
			full_path = s_strResourcePath + pszFileName;
	}

	// if specify the zip file,load from it first
	if (s_pszZipFilePath[0] != 0)
	{
		buffer = getFileDataFromZip(s_pszZipFilePath.c_str(), full_path.c_str(), pSize);
	}

	// if that failed then let's try and load the file ourselves
	if (!buffer)
	{
		// read the file from hardware
		FILE *fp = fopen(full_path.c_str(), pszMode);
		if (fp)
		{
			fseek(fp, 0, SEEK_END);
			*pSize = ftell(fp);
			fseek(fp, 0, SEEK_SET);
			buffer = new unsigned char[*pSize];
			*pSize = fread(buffer, sizeof(unsigned char), *pSize, fp);
			fclose(fp);
		}
	}

	// we couldn't find the file
	if (!buffer && getIsPopupNotify())
	{
		std::string title = "Notification";
		std::string msg = "Get data from file(";
		msg.append(full_path);
		if (s_pszZipFilePath[0] != 0)
		{
			msg.append(") in zip archive(").append(s_pszZipFilePath);
		}
		msg.append(") failed!");

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

	return buffer;
}

void CCFileUtils::setResource(const char* pszZipFileName)
{
    s_pszZipFilePath = pszZipFileName;
}

int CCFileUtils::ccLoadFileIntoMemory(const char *filename, unsigned char **out)
{
    CCAssert(0, "Have not implemented!");
    return 0;
}

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] = '\0';

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

	return path;
}

NS_CC_END;