C++ (Cpp) NPT_XbmcFileReference::OpenForWrite示例

示例#1

文件： NptXbmcFile.cpp 项目： derobert/debianlink-xbmc

/*----------------------------------------------------------------------
|   NPT_XbmcFile::Open
+---------------------------------------------------------------------*/
NPT_Result
NPT_XbmcFile::Open(NPT_File::OpenMode mode)
{
    NPT_XbmcFileReference file;

    // check if we're already open
    if (!m_FileReference.IsNull()) {
        return NPT_ERROR_FILE_ALREADY_OPEN;
    }

    // store the mode
    m_Mode = mode;

    // check for special names
    const char* name = (const char*)m_Delegator.GetPath();
    if (NPT_StringsEqual(name, NPT_FILE_STANDARD_INPUT)) {
        return NPT_ERROR_FILE_NOT_READABLE;
    } else if (NPT_StringsEqual(name, NPT_FILE_STANDARD_OUTPUT)) {
        return NPT_ERROR_FILE_NOT_WRITABLE;
    } else if (NPT_StringsEqual(name, NPT_FILE_STANDARD_ERROR)) {
        return NPT_ERROR_FILE_NOT_WRITABLE;
    } else {

        file = CFileFactory::CreateLoader(name);
        if (file.IsNull()) {
            return NPT_ERROR_NO_SUCH_FILE;
        }

        bool result;
        CURL* url = new CURL(name);
        /* path is not fully qualified so assume it's relative to home dir */
        if (url->GetFileName().IsEmpty()) {
            delete url;
            CStdString homepath;
            CUtil::GetHomePath(homepath);
            url = new CURL(homepath + "/" + name);
        }

        // compute mode
        if (mode & NPT_FILE_OPEN_MODE_WRITE) {
            result = file->OpenForWrite(*url, (mode & NPT_FILE_OPEN_MODE_TRUNCATE)?true:false);
        } else {
            result = file->Open(*url);
        }

        delete url;
        if (!result) return NPT_ERROR_NO_SUCH_FILE;

        m_Size = (NPT_LargeSize)file->GetLength();
    }

    // store reference
    m_FileReference = file;

    return NPT_SUCCESS;
}

示例#2

文件： NptXbmcFile.cpp 项目： 2BReality/xbmc

/*----------------------------------------------------------------------
|   NPT_XbmcFile::Open
+---------------------------------------------------------------------*/
NPT_Result
NPT_XbmcFile::Open(NPT_File::OpenMode mode)
{
    NPT_XbmcFileReference file;

    // check if we're already open
    if (!m_FileReference.IsNull()) {
        return NPT_ERROR_FILE_ALREADY_OPEN;
    }

    // store the mode
    m_Mode = mode;

    // check for special names
    const char* name = (const char*)m_Delegator.GetPath();
    if (NPT_StringsEqual(name, NPT_FILE_STANDARD_INPUT)) {
        return NPT_ERROR_FILE_NOT_READABLE;
    } else if (NPT_StringsEqual(name, NPT_FILE_STANDARD_OUTPUT)) {
        return NPT_ERROR_FILE_NOT_WRITABLE;
    } else if (NPT_StringsEqual(name, NPT_FILE_STANDARD_ERROR)) {
        return NPT_ERROR_FILE_NOT_WRITABLE;
    } else {

        file = CFileFactory::CreateLoader(name);
        if (file.IsNull()) {
            return NPT_ERROR_NO_SUCH_FILE;
        }

        bool result;
        CURL* url = new CURL(name);

        // compute mode
        if (mode & NPT_FILE_OPEN_MODE_WRITE) {
            result = file->OpenForWrite(*url, (mode & NPT_FILE_OPEN_MODE_TRUNCATE)?true:false);
        } else {
            result = file->Open(*url);
        }

        delete url;
        if (!result) return NPT_ERROR_NO_SUCH_FILE;
    }

    // store reference
    m_FileReference = file;

    return NPT_SUCCESS;
}