axmol/cocos2dx/platform/wophone/CCFileUtils_wophone.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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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/


#include <TG3.h>
#include "CCApplication.h"

#include <string>

using namespace std;

NS_CC_BEGIN;

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

bool isResourceExist(const char* pszResName)
{
    bool bRet = false;

    TUChar FilePath[EOS_FILE_MAX_PATH] = {0};
    TUString::StrGBToUnicode(FilePath, (const Char *) pszResName);

    if (strlen(s_pszZipFilePath) != 0)
    {
        // if have set the zip file path,find the resource in the zip file
        unzFile pZipFile = unzOpen(s_pszZipFilePath);
        do 
        {
            CC_BREAK_IF(!pZipFile);

            Int32 nPos = unzLocateFile(pZipFile, pszResName, 1);
            CC_BREAK_IF(nPos != UNZ_OK);

            bRet = true;
           
        } while (0);
        if (pZipFile)
        {
            unzClose(pZipFile);
        }
    }
    else
    {
        // find in the hardware
        if (EOS_IsFileExist(FilePath))
        {
            bRet = true;
        }
    }

    return bRet;
}

const char* getDiffResolutionPath(const char *pszPath)
{
    CCString *pRet = new CCString(pszPath);
    pRet->autorelease();

    do 
    {
        TApplication* pApp = TApplication::GetCurrentApplication();
        CC_BREAK_IF(!pApp);

        // get the Resolution
        int nScreenWidth  = pApp->GetScreenWidth();
        int nScreenHeight = pApp->GetScreenHeight();

        // it's default resolution, do nothing
        CC_BREAK_IF(nScreenWidth == 320 && nScreenHeight == 480);

        if (nScreenWidth == 480 && nScreenHeight == 800)
        {
            // it's WVGA
            CC_BREAK_IF(pRet->m_sString.find("@WVGA") != -1);

            std::string filePathWithoutExtension = pszPath;
            std::string extension = "";
            std::string filePath = pszPath;
            int nExPos = filePath.find_last_of(".");

            if (nExPos != -1)
            {
                filePathWithoutExtension = filePath.substr(0, nExPos);
                extension = filePath.substr(nExPos);
            }

            // new path, add "@WVGA" before the extension
            pRet->m_sString = filePathWithoutExtension + "@WVGA" + extension;

            // not find the resource of new path,use the original path
            if (! isResourceExist(pRet->m_sString.c_str()))
            {
                pRet->m_sString = filePath;
            }
        }
        else
        {
            // not support resolution
            CCAssert(0, "it's not supportted resolution.");
        }
    } while (0);

    return pRet->m_sString.c_str();
}

void CCFileUtils::setResource(const char* pZipFileName)
{
    CCAssert(pZipFileName != NULL, "[FileUtils setResourceZipFile] -- wrong zip file path");

    // get the full path of zip file
    char fullPath[EOS_FILE_MAX_PATH] = {0};
    if (strlen(s_pszResourcePath))
    {
        strcpy(fullPath, s_pszResourcePath);
    }
    else
    {
        const char* pAppDataPath = CCApplication::sharedApplication().getAppDataPath();
        strcpy(fullPath, pAppDataPath);
    }
    strcat(fullPath, pZipFileName);

    // if the zip file not exist,use message box to warn developer
    TUChar pszTmp[EOS_FILE_MAX_PATH] = {0};
    TUString::StrGBToUnicode(pszTmp, (const Char*) fullPath);
    Boolean bExist = EOS_IsFileExist(pszTmp);
    if (!bExist)
    {
        std::string strErr = "zip file ";
        strErr += fullPath;
        strErr += " not exist!";
        CCMessageBox(strErr.c_str(), "Error");
        return;
    }

    // clear the zip file path recorded before and record the new path
    memset(s_pszZipFilePath, 0, sizeof(char) * EOS_FILE_MAX_PATH);
    strcpy(s_pszZipFilePath, fullPath);
}

const char* CCFileUtils::fullPathFromRelativePath(const char *pszRelativePath)
{
    // if have set the zip file path,return the relative path of zip file
    if (strlen(s_pszZipFilePath) != 0)
    {
        return getDiffResolutionPath(pszRelativePath);
    }

    // get the user data path and append relative path to it
    if (strlen(s_pszResourcePath) == 0)
    {
        const char* pAppDataPath = CCApplication::sharedApplication().getAppDataPath();
        strcpy(s_pszResourcePath, pAppDataPath);
    }

    CCString * pRet = new CCString();
    pRet->autorelease();
    if ((strlen(pszRelativePath) > 1 && pszRelativePath[1] == ':') ||
        (strlen(pszRelativePath) > 0 && pszRelativePath[0] == '/'))
    {
        pRet->m_sString = pszRelativePath;
    }
    else
    {
        pRet->m_sString = s_pszResourcePath;
        pRet->m_sString += pszRelativePath;
    }
    return getDiffResolutionPath(pRet->m_sString.c_str());
}
const char *CCFileUtils::fullPathFromRelativeFile(const char *pszFilename, const char *pszRelativeFile)
{
	std::string relativeFile = fullPathFromRelativePath(pszRelativeFile);
	CCString *pRet = new CCString();
	pRet->autorelease();
	pRet->m_sString = relativeFile.substr(0, relativeFile.rfind('/')+1);
	pRet->m_sString += pszFilename;
	return getDiffResolutionPath(pRet->m_sString.c_str());
}

unsigned char* CCFileUtils::getFileData(const char* pszFileName, const char* pszMode, unsigned long * pSize)
{
    unsigned char * pBuffer = NULL;

    do 
    {
        if (0 != s_pszZipFilePath[0])
        {
            // if specify the zip file,load from it first
            pBuffer = getFileDataFromZip(s_pszZipFilePath, pszFileName, pSize);
            CC_BREAK_IF(pBuffer);
        }

        // 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);
        if (0 != s_pszZipFilePath[0])
        {
            msg.append(") in zip archive(").append(s_pszZipFilePath);
        }
        msg.append(") failed!");

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

    return pBuffer;
}

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

string CCFileUtils::getWriteablePath()
{
	return string(CCApplication::sharedApplication().getAppWritablePath());
}

NS_CC_END;