C++ NPT_List::Remove方法代码示例

void CUPnP::UnregisterUserdata(void* ptr)
{
  NPT_AutoLock lock(g_UserDataLock);
  g_UserData.Remove(ptr);
}

/*----------------------------------------------------------------------
|   PLT_FileMediaServer::BuildFromFilePath
+---------------------------------------------------------------------*/
PLT_MediaObject*
PLT_FileMediaServer::BuildFromFilePath(const NPT_String& filepath, 
                                       bool              with_count /* = true */,
                                       NPT_SocketInfo*   info /* = NULL */,
                                       bool              keep_extension_in_title /* = false */)
{
    NPT_String            delimiter = m_DirDelimiter;
    NPT_String            root = m_Path;
    PLT_MediaItemResource resource;
    PLT_MediaObject*      object = NULL;
    int                   dir_delim_index;

    /* make sure this is a valid entry */
    /* and retrieve the entry type (directory or file) */
    NPT_DirectoryEntryInfo entry_info; 
    if (!ProceedWithEntry(filepath, entry_info)) goto failure;

    /* find the last directory delimiter */
    dir_delim_index = filepath.ReverseFind(delimiter);
    if (dir_delim_index < 0) goto failure;

    if (entry_info.type == NPT_FILE_TYPE) {
        object = new PLT_MediaItem();

        /* we need a valid extension to retrieve the mimetype for the protocol info */
        int ext_index = filepath.ReverseFind('.');
        if (ext_index <= 0 || ext_index < dir_delim_index) {
            ext_index = filepath.GetLength();
        }

        /* Set the title using the filename for now */
        object->m_Title = filepath.SubString(dir_delim_index+1, 
            keep_extension_in_title?filepath.GetLength():ext_index - dir_delim_index -1);
        if (object->m_Title.GetLength() == 0) goto failure;

        /* Set the protocol Info from the extension */
        const char* ext = ((const char*)filepath) + ext_index;
        resource.m_ProtocolInfo = PLT_MediaItem::GetProtInfoFromExt(ext);
        if (resource.m_ProtocolInfo.GetLength() == 0)  goto failure;

        /* Set the resource file size */
        resource.m_Size = entry_info.size;
 
        /* format the resource URI */
        NPT_String url = filepath.SubString(root.GetLength());

        // get list of ip addresses
        NPT_List<NPT_String> ips;
        NPT_CHECK_LABEL_SEVERE(PLT_UPnPMessageHelper::GetIPAddresses(ips), failure);

        // if we're passed an interface where we received the request from
        // move the ip to the top
        if (info && info->local_address.GetIpAddress().ToString() != "0.0.0.0") {
            ips.Remove(info->local_address.GetIpAddress().ToString());
            ips.Insert(ips.GetFirstItem(), info->local_address.GetIpAddress().ToString());
        }

        // iterate through list and build list of resources
        NPT_List<NPT_String>::Iterator ip = ips.GetFirstItem();
        while (ip) {
            NPT_HttpUrl uri = m_FileBaseUri;
            NPT_HttpUrlQuery query;
            query.AddField("path", url);
            uri.SetHost(*ip);
            uri.SetQuery(query.ToString());
            //uri.SetPath(uri.GetPath() + url);

            /* prepend the base URI and url encode it */ 
            //resource.m_Uri = NPT_Uri::Encode(uri.ToString(), NPT_Uri::UnsafeCharsToEncode);
            resource.m_Uri = uri.ToString();

            /* Look to see if a metadatahandler exists for this extension */
            PLT_MetadataHandler* handler = NULL;
            NPT_Result res = NPT_ContainerFind(m_MetadataHandlers, PLT_MetadataHandlerFinder(ext), handler);
            if (NPT_SUCCEEDED(res) && handler) {
                /* if it failed loading data, reset the metadatahandler so we don't use it */
                if (NPT_SUCCEEDED(handler->LoadFile(filepath))) {
                    /* replace the title with the one from the Metadata */
                    NPT_String newTitle;
                    if (handler->GetTitle(newTitle) != NULL) {
                        object->m_Title = newTitle;
                    }

                    /* assign description */
                    handler->GetDescription(object->m_Description.long_description);

                    /* assign album art uri if we haven't yet */
                    /* prepend the album art base URI and url encode it */ 
                    if (object->m_ExtraInfo.album_art_uri.GetLength() == 0) {
                        NPT_HttpUrl uri = m_AlbumArtBaseUri;
                        NPT_HttpUrlQuery query;
                        query.AddField("path", url);
                        uri.SetHost(*ip);
                        uri.SetQuery(query.ToString());
                        //uri.SetPath(uri.GetPath() + url);

                        object->m_ExtraInfo.album_art_uri = NPT_Uri::PercentEncode(uri.ToString(), NPT_Uri::UnsafeCharsToEncode);
//.........这里部分代码省略.........