axmol/cocos2dx/platform/win32/CCFileUtilsWin32.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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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/
#include "CCFileUtilsWin32.h"
#include "platform/CCCommon.h"
#include <Shlobj.h>

using namespace std;

NS_CC_BEGIN

static char s_pszResourcePath[MAX_PATH] = {0};

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

FileUtils* FileUtils::getInstance()
{
    if (s_sharedFileUtils == NULL)
    {
        s_sharedFileUtils = new FileUtilsWin32();
        if(!s_sharedFileUtils->init())
        {
          delete s_sharedFileUtils;
          s_sharedFileUtils = NULL;
          CCLOG("ERROR: Could not init CCFileUtilsWin32");
        }
    }
    return s_sharedFileUtils;
}

FileUtilsWin32::FileUtilsWin32()
{
}

bool FileUtilsWin32::init()
{
    _checkPath();
    _defaultResRootPath = s_pszResourcePath;
    return FileUtils::init();
}

bool FileUtilsWin32::isFileExist(const std::string& strFilePath)
{
    if (0 == strFilePath.length())
    {
        return false;
    }
    
    std::string strPath = strFilePath;
    if (!isAbsolutePath(strPath))
    { // Not absolute path, add the default root path at the beginning.
        strPath.insert(0, _defaultResRootPath);
    }
    return GetFileAttributesA(strPath.c_str()) != -1 ? true : false;
}

bool FileUtilsWin32::isAbsolutePath(const std::string& strPath)
{
    if (   strPath.length() > 2 
        && ( (strPath[0] >= 'a' && strPath[0] <= 'z') || (strPath[0] >= 'A' && strPath[0] <= 'Z') )
        && strPath[1] == ':')
    {
        return true;
    }
    return false;
}

string FileUtilsWin32::getWritablePath()
{
    // Get full path of executable, e.g. c:\Program Files (x86)\My Game Folder\MyGame.exe
    char full_path[_MAX_PATH + 1];
    ::GetModuleFileNameA(NULL, full_path, _MAX_PATH + 1);

    // Debug app uses executable directory; Non-debug app uses local app data directory
#ifndef _DEBUG
        // Get filename of executable only, e.g. MyGame.exe
        char *base_name = strrchr(full_path, '\\');

        if(base_name)
        {
            char app_data_path[_MAX_PATH + 1];

            // Get local app data directory, e.g. C:\Documents and Settings\username\Local Settings\Application Data
            if (SUCCEEDED(SHGetFolderPathA(NULL, CSIDL_LOCAL_APPDATA, NULL, SHGFP_TYPE_CURRENT, app_data_path)))
            {
                string ret((char*)app_data_path);

                // Adding executable filename, e.g. C:\Documents and Settings\username\Local Settings\Application Data\MyGame.exe
                ret += base_name;

                // Remove ".exe" extension, e.g. C:\Documents and Settings\username\Local Settings\Application Data\MyGame
                ret = ret.substr(0, ret.rfind("."));

                ret += "\\";

                // Create directory
                if (SUCCEEDED(SHCreateDirectoryExA(NULL, ret.c_str(), NULL)))
                {
                    return ret;
                }
            }
        }
#endif // not defined _DEBUG

    // If fetching of local app data directory fails, use the executable one
    string ret((char*)full_path);

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

    return ret;
}

NS_CC_END