axmol/cocos2dx/platform/CCFileUtils.h

/****************************************************************************
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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THE SOFTWARE.
****************************************************************************/
#ifndef __CC_FILEUTILS_PLATFORM_H__
#define __CC_FILEUTILS_PLATFORM_H__

#include <string>
#include "CCMutableDictionary.h"

NS_CC_BEGIN;

//! @brief  Helper class to handle file operations
class CC_DLL CCFileUtils
{
public:

    /**
    @brief Get resource file data
    @param[in]  pszFileName The resource file name which contain the path
    @param[in]  pszMode The read mode of the file
    @param[out] pSize If get the file data succeed the it will be the data size,or it will be 0
    @return if success,the pointer of data will be returned,or NULL is returned
    @warning If you get the file data succeed,you must delete it after used.
    */
    static unsigned char* getFileData(const char* pszFileName, const char* pszMode, unsigned long * pSize);

    /**
    @brief Get resource file data from zip file
    @param[in]  pszFileName The resource file name which contain the relative path of zip file
    @param[out] pSize If get the file data succeed the it will be the data size,or it will be 0
    @return if success,the pointer of data will be returned,or NULL is returned
    @warning If you get the file data succeed,you must delete it after used.
    */
    static unsigned char* getFileDataFromZip(const char* pszZipFilePath, const char* pszFileName, unsigned long * pSize);

    /** removes the HD suffix from a path
    @returns const char * without the HD suffix
    @since v0.99.5
    */
    static std::string& ccRemoveHDSuffixFromFile(std::string& path);

    /**
    @brief   Generate the absolute path of the file.
    @param   pszRelativePath     The relative path of the file.
    @return  The absolute path of the file.
    @warning We only add the ResourcePath before the relative path of the file.
    If you have not set the ResourcePath,the function add "/NEWPLUS/TDA_DATA/UserData/" as default.
    You can set ResourcePath by function void setResourcePath(const char *pszResourcePath);
    */
    static const char* fullPathFromRelativePath(const char *pszRelativePath);

    /// @cond
    static const char* fullPathFromRelativeFile(const char *pszFilename, const char *pszRelativeFile);
    /// @endcond

    /**
    @brief  Set the ResourcePath,we will find resource in this path
    @param pszResourcePath  The absolute resource path
	@warning Don't call this function in android and iOS, it has not effect.
	In android, if you want to read file other than apk, you shoud use invoke getFileData(), and pass the 
	absolute path.
    */
    static void setResourcePath(const char *pszResourcePath);

    /**
    @brief   Generate a CCDictionary pointer by file
    @param   pFileName  The file name of *.plist file
    @return  The CCDictionary pointer generated from the file
    */
    static CCDictionary<std::string, CCObject*> *dictionaryWithContentsOfFile(const char *pFileName);

	/*
	@brief The same meaning as dictionaryWithContentsOfFile(), but it doesn't call autorelease, so the
	       invoker should call release().
	*/
	static CCDictionary<std::string, CCObject*> *dictionaryWithContentsOfFileThreadSafe(const char *pFileName);

	/**
	@brief   Get the writeable path
	@return  The path that can write/read file
	*/
	static std::string getWriteablePath();

    /**
    @brief Set/Get whether pop-up a message box when the image load failed
    */
    static void setIsPopupNotify(bool bNotify);
    static bool getIsPopupNotify();

    ///////////////////////////////////////////////////
    // interfaces on wophone
    ///////////////////////////////////////////////////
    /**
    @brief  Set the resource zip file name
    @param pszZipFileName The relative path of the .zip file
    */
    static void setResource(const char* pszZipFileName);

    ///////////////////////////////////////////////////
    // interfaces on ios
    ///////////////////////////////////////////////////
    static int ccLoadFileIntoMemory(const char *filename, unsigned char **out);
};

class CCFileData
{
public:
    CCFileData(const char* pszFileName, const char* pszMode)
        : m_pBuffer(0)
        , m_uSize(0)
    {
        m_pBuffer = CCFileUtils::getFileData(pszFileName, pszMode, &m_uSize);
    }
    ~CCFileData()
    {
        CC_SAFE_DELETE_ARRAY(m_pBuffer);
    }

    bool reset(const char* pszFileName, const char* pszMode)
    {
        CC_SAFE_DELETE_ARRAY(m_pBuffer);
        m_uSize = 0;
        m_pBuffer = CCFileUtils::getFileData(pszFileName, pszMode, &m_uSize);
        return (m_pBuffer) ? true : false;
    }

    CC_SYNTHESIZE_READONLY(unsigned char *, m_pBuffer, Buffer);
    CC_SYNTHESIZE_READONLY(unsigned long ,  m_uSize,   Size);
};

NS_CC_END;

#endif	// end of __CC_EGLVIEW_PLATFORM_H__