view m-toolbox/classes/@plist/subset.m @ 3:960fe1aa1c10
database-connection-manager
Add LTPDADatabaseConnectionManager implementation. Java code
author
Daniele Nicolodi <nicolodi@science.unitn.it>
date
Mon, 05 Dec 2011 16:20:06 +0100 (2011-12-05)
parents
f0afece42f48
children
line source
+ − % SUBSET returns a subset of a parameter list.
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % DESCRIPTION: SUBSET returns a subset of a parameter list.
+ − %
+ − % CALL: p = subset(pl, 'key')
+ − % p = subset(pl, search_pl)
+ − % p = subset(pl, 'key1', 'key2')
+ − % p = subset(pl, {'key1', 'key2'})
+ − %
+ − % A warning is given for any key not in the original plist.
+ − %
+ − % <a href="matlab:utils.helper.displayMethodInfo('plist', 'subset')">Parameters Description</a>
+ − %
+ − % VERSION: $Id: subset.m,v 1.6 2011/04/08 08:56:20 hewitson Exp $
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − function varargout = subset(varargin)
+ −
+ − %%% Check if this is a call for parameters
+ − if utils.helper.isinfocall(varargin{:})
+ − varargout{1} = getInfo(varargin{3});
+ − return
+ − end
+ −
+ − % Check inputs
+ − if nargin < 2
+ − error('### Incorrect inputs')
+ − end
+ −
+ − if nargout ~= 1
+ − error('### Incorrect outputs. plist/subset cannot be used as a modifier.');
+ − end
+ −
+ − % The first input is the plist to extract the subset of
+ − pl = varargin{1};
+ −
+ − % Collect the keys to search for
+ − keys = {};
+ − for kk=2:nargin
+ − if iscell(varargin{kk})
+ − keys = [keys varargin{kk}];
+ − elseif isa(varargin{kk}, 'plist')
+ − pli = varargin{kk};
+ − ikeys = pli.find('keys');
+ − if ~isempty(ikeys)
+ − keys = [keys ikeys];
+ − end
+ − else
+ − keys = [keys varargin(kk)];
+ − end
+ − end
+ −
+ − % Convert input keys to upper case
+ − keys = upper(keys);
+ −
+ − % Check we got some keys
+ − if isempty(keys)
+ − error('### Please specify at least one key');
+ − end
+ −
+ − % We only handle one input plist
+ − if numel(pl) ~= 1
+ − error('### This function can only work with one plist-object');
+ − end
+ −
+ − % Get parameters we want
+ − pl_out = plist();
+ − for kk=1:pl.nparams
+ − if ismember(pl.params(kk).key, keys)
+ − pl_out.append(copy(pl.params(kk),1));
+ − end
+ − end
+ −
+ − % Check the plist contains all the requested keys
+ − for kk=1:numel(keys)
+ − if pl_out.nparams == 0 || ~ismember(keys{kk}, {pl_out.params(:).key})
+ − warning('The key ''%s'' was not found in the original plist', keys{kk});
+ − end
+ − end
+ −
+ − % Set output
+ − if nargout == 1
+ − varargout{1} = pl_out;
+ − else
+ − error('### Incorrect number of outputs');
+ − end
+ − end
+ −
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − % Local Functions %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % FUNCTION: getInfo
+ − %
+ − % DESCRIPTION: Get Info Object
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − function ii = getInfo(varargin)
+ − if nargin == 1 && strcmpi(varargin{1}, 'None')
+ − sets = {};
+ − pl = [];
+ − else
+ − sets = {'Default'};
+ − pl = getDefaultPlist;
+ − end
+ − % Build info object
+ − ii = minfo(mfilename, 'plist', 'ltpda', utils.const.categories.helper, '$Id: subset.m,v 1.6 2011/04/08 08:56:20 hewitson Exp $', sets, pl);
+ − ii.setModifier(false);
+ − ii.setArgsmin(1);
+ − end
+ −
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ − %
+ − % FUNCTION: getDefaultPlist
+ − %
+ − % DESCRIPTION: Get Default Plist
+ − %
+ − %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+ −
+ − function pl = getDefaultPlist()
+ −
+ − pl = plist();
+ −
+ − % Keys
+ − p = param({'keys', 'The keys to search for.'}, paramValue.EMPTY_STRING);
+ − pl.append(p);
+ −
+ − end
+ −