time | Calls | line |
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| | 1 | classdef (AllowedSubclasses = {?matlab.internal.tabular.private.rowNamesDim, ...
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| | 2 | ?matlab.internal.tabular.private.rowTimesDim, ...
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| | 3 | ?matlab.internal.tabular.private.varNamesDim, ...
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| 2 | 4 | ?matlab.internal.tabular.private.metaDim}) tabularDimension
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| | 5 | %tabularDimension Internal abstract class to represent a tabular's dimension.
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| | 6 |
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| | 7 | % This class is for internal use only and will change in a
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| | 8 | % future release. Do not use this class.
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| | 9 |
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| | 10 | % Copyright 2016-2019 The MathWorks, Inc.
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| | 11 |
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| | 12 | properties(Abstract, Constant, GetAccess=public)
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| | 13 | propertyNames
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| | 14 | requireLabels
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| | 15 | requireUniqueLabels
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| | 16 | DuplicateLabelExceptionID
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| | 17 | end
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| | 18 |
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| | 19 | properties(GetAccess=public, SetAccess=protected)
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| | 20 | % SetAccess=protected because subclass lengthenTo methods write to these
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| | 21 | length
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| | 22 |
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| | 23 | % Distinguish between not having labels and a zero-length dimension with no labels.
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| | 24 | hasLabels = false
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| | 25 | end
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| | 26 | properties(Abstract, GetAccess=public, SetAccess=protected)
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| | 27 | % Abstract because one subclass doesn't store this explicitly. Assign
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| | 28 | % via the public setLabels method.
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| | 29 | labels
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| | 30 | end
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| | 31 |
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| | 32 | properties(Constant, GetAccess=public)
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| | 33 | subsType = struct('reference',0,'assignment',1,'deletion',2)
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| | 34 | end
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| | 35 |
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| | 36 | %===========================================================================
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| | 37 | methods
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| | 38 | function obj = init(obj,dimLength,dimLabels)
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| | 39 | % INIT is called by both the dimension objects' constructor and
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| | 40 | % tabular objects' loadobj method. In the latter case, because
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| | 41 | % a default dimension object is already constructed, it is faster
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| | 42 | % to 'initialize' through INIT rather reconstruct a new one
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| | 43 | obj.length = dimLength;
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| | 44 | if nargin == 3
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| | 45 | if isvector(dimLabels) && (numel(dimLabels) == dimLength)
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| | 46 | obj.hasLabels = true;
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| | 47 | obj.labels = obj.orientAs(dimLabels);
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| | 48 | else
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| | 49 | obj.throwIncorrectNumberOfLabels();
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| | 50 | end
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| | 51 | end
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| | 52 | end
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| | 53 |
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| | 54 | %-----------------------------------------------------------------------
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| | 55 | function obj = createLike(obj,dimLength,dimLabels)
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| | 56 | %CREATELIKE Create a tabularDimension of the same kind as an existing one.
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| | 57 | obj.length = dimLength;
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| | 58 | if nargin < 3
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| | 59 | if obj.hasLabels
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| | 60 | % These are invalid empty labels that must be filled in later.
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| | 61 | obj.labels = obj.emptyLabels(dimLength);
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| | 62 | else
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| | 63 | obj.hasLabels = false;
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| | 64 | obj.labels = obj.labels([]);
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| | 65 | end
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| | 66 | else
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| | 67 | obj = obj.setLabels(dimLabels,[]);
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| | 68 | end
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| | 69 | end
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| | 70 |
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| | 71 |
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| | 72 | %-----------------------------------------------------------------------
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| | 73 | function obj = removeLabels(obj)
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| | 74 | if obj.requireLabels
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| | 75 | obj.throwRequiresLabels();
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| | 76 | else
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| | 77 | obj.labels = {}; % optional labels is usually names
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| | 78 | obj.hasLabels = false;
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| | 79 | end
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| | 80 | end
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| | 81 |
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| | 82 | %-----------------------------------------------------------------------
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| | 83 | function labels = emptyLabels(obj,num)
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| | 84 | % EMPTYLABELS Return a vector of empty labels of the right kind.
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| | 85 |
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| | 86 | % Default behavior assumes the labels are names, subclasses with
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| | 87 | % non-name labels need to overload.
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| | 88 | labels = obj.orientAs(repmat({''},num,1));
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| | 89 | end
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| | 90 |
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| | 91 | %-----------------------------------------------------------------------
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| | 92 | function labels = textLabels(obj,indices)
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| | 93 | % TEXTLABELS Return the labels converted to text.
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| | 94 |
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| | 95 | % Default behavior assumes the labels are names, subclasses with
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| | 96 | % non-name labels need to overload.
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| | 97 | if nargin < 2
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| | 98 | labels = obj.labels;
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| | 99 | else
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| | 100 | labels = obj.labels(indices);
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| | 101 | end
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| | 102 | end
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| | 103 |
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| | 104 | %-----------------------------------------------------------------------
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| | 105 | function obj = selectFrom(obj,toSelect)
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| | 106 | %SELECTFROM Return a subset of a tableDimimension for the specified indices.
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| | 107 | % The indices might be out of order, that's OK or repeated, that's handled.
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| | 108 | import matlab.internal.datatypes.isUniqueNumeric
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| | 109 | import matlab.internal.datatypes.isColon
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| | 110 |
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| | 111 | if obj.hasLabels
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| | 112 | obj.labels = obj.orientAs(obj.labels(toSelect));
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| | 113 |
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| | 114 | % Only numeric subscripts can lead to repeated rows (thus labels), no
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| | 115 | % need to check otherwise.
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| | 116 | if isnumeric(toSelect) && ~isUniqueNumeric(toSelect)
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| | 117 | obj = obj.makeUniqueForRepeatedIndices(toSelect);
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| | 118 | end
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| | 119 |
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| | 120 | obj.length = numel(obj.labels);
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| | 121 | elseif isnumeric(toSelect)
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| | 122 | obj.length = numel(toSelect);
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| | 123 | elseif islogical(toSelect)
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| | 124 | obj.length = sum(toSelect);
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| | 125 | elseif isColon(toSelect)
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| | 126 | % leave obj.length alone
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| | 127 | elseif isa(toSelect,'matlab.internal.ColonDescriptor')
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| | 128 | obj.length = toSelect.length;
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| | 129 | else
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| | 130 | assert(false);
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| | 131 | end
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| | 132 | end
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| | 133 |
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| | 134 | %-----------------------------------------------------------------------
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| | 135 | function obj = shortenTo(obj,maxIndex)
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| | 136 | if obj.hasLabels
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| | 137 | obj.labels = obj.labels(1:maxIndex);
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| | 138 | end
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| | 139 | obj.length = maxIndex;
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| | 140 | end
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| | 141 |
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| | 142 | %-----------------------------------------------------------------------
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| | 143 | function obj = deleteFrom(obj,toDelete)
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| | 144 | if obj.hasLabels
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| | 145 | obj.labels(toDelete) = [];
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| | 146 | obj.labels = obj.orientAs(obj.labels);
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| | 147 | end
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| | 148 | keepIndices = 1:obj.length;
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| | 149 | keepIndices(toDelete) = [];
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| | 150 | obj.length = numel(keepIndices);
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| | 151 | end
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| | 152 |
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| | 153 | %-----------------------------------------------------------------------
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| | 154 | function obj = assignInto(obj,obj2,assignInto)
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| | 155 | if obj.hasLabels && obj2.hasLabels
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| | 156 | obj.labels(assignInto) = obj2.labels;
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| | 157 | elseif obj.hasLabels % && ~obj2.hasLabels
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| | 158 | % These are invalid empty labels that must be filled in later.
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| | 159 | obj.labels(assignInto) = obj2.emptyLabels(obj2.length);
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| | 160 | elseif obj2.hasLabels % && ~obj.hasLabels
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| | 161 | obj.labels = obj.emptyLabels(obj.length);
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| | 162 | obj.labels(assignInto) = obj2.labels;
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| | 163 | obj.hasLabels = true;
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| | 164 | end
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| | 165 | end
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| | 166 |
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| | 167 | %-----------------------------------------------------------------------
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| | 168 | function target = moveProps(target,source,fromLocs,toLocs) %#ok<INUSD>
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| | 169 | % MOVEPROPS Assign values from a tableDimension's properties into another's.
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| | 170 | % Replace property values in the target with values from the source,
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| | 171 | % across all properties that this dimension manages. If a property
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| | 172 | % that exists in the source doesn't exist in the target, first create
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| | 173 | % it in the target filled with default values. If a property that
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| | 174 | % exists in the target doesn't exist in the source, replace the target
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| | 175 | % values with default values. If a property doesn't exist in either,
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| | 176 | % do nothing for that property.
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| | 177 | %
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| | 178 | % Labels are not replaced.
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| | 179 |
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| | 180 | % By default, there are no properties (other than labels).
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| | 181 | end
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| | 182 |
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| | 183 | %-----------------------------------------------------------------------
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| | 184 | function target = mergeProps(target,source,fromLocs) %#ok<INUSD>
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| | 185 | % MERGEPROPS Merge a tableDimension's properties into another's.
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| | 186 | % Create properties that don't exist in the target using the
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| | 187 | % corresponding properties from the source (if the latter exist).
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| | 188 | % Properties that are already present in the target are left alone.
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| | 189 | % Labels are left alone.
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| | 190 |
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| | 191 | % By default, there are no properties (other than labels).
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| | 192 | end
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| | 193 |
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| | 194 | %-----------------------------------------------------------------------
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| | 195 | function obj = setLabels(obj,newLabels,subscripts,fixDups,fixEmpties,fixIllegal)
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| | 196 | %SETLABELS Modify, overwrite, or remove a tabularDimension's labels.
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| | 197 | if isstring(newLabels)
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| | 198 | % cannot use convertStringsToChars because scalar string
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| | 199 | % must convert to cellstr, not char vector.
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| | 200 | newLabels = cellstr(newLabels);
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| | 201 | end
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| | 202 | if nargin < 6
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| | 203 | % Should illegal labels be modified to make them legal?
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| | 204 | fixIllegal = false;
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| | 205 | if nargin < 5
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| | 206 | % Should empty labels be filled in wth default labels?
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| | 207 | fixEmpties = false;
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| | 208 | if nargin < 4
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| | 209 | % Should duplicate labels be made unique?
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| | 210 | fixDups = false;
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| | 211 | end
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| | 212 | end
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| | 213 | end
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| | 214 |
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| | 215 | % Subscripts equal to [] denotes a full assignment while the edge case of a
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| | 216 | % partial assignment to zero labels requires a 1x0 or 0x1 empty.
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| | 217 | fullAssignment = (nargin == 2) || isequal(subscripts,[]);
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| | 218 | if fullAssignment % replacing all labels
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| | 219 | indices = 1:obj.length;
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| | 220 | elseif obj.hasLabels % replacing some labels
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| | 221 | indices = obj.subs2inds(subscripts);
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| | 222 | if islogical(indices)
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| | 223 | % subs2inds leaves logical untouched, validateAndAssignLabels requires indices
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| | 224 | indices = find(indices);
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| | 225 | end
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| | 226 | else % don't allow a subscripted assignment to an empty label property
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| | 227 | assert(false,'Partial/Subscripted assignment to empty label is not supported');
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| | 228 | end
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| | 229 |
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| | 230 | % Check the type of the new labels, and convert them to the canonical type as
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| | 231 | % necessary (and allowed). If this is a full assignment of a 0x0, and removing
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| | 232 | % the labels is allowed, validateLabels leaves the shape alone, otherwise it
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| | 233 | % reshapes to a vector of the appropriate orientation.
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| | 234 | obj = obj.validateAndAssignLabels(newLabels,indices,fullAssignment,fixDups,fixEmpties,fixIllegal);
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| | 235 | end
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| | 236 |
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| | 237 | %-----------------------------------------------------------------------
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| | 238 | function [indices,numIndices,maxIndex,isLiteralColon,isLabels,updatedObj] ...
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| | 239 | = subs2inds(obj,subscripts,subsType)
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| | 240 | %SUBS2INDS Convert table subscripts (labels, logical, numeric) to indices.
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| | 241 |
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| | 242 | import matlab.internal.datatypes.isColon
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| | 243 |
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| | 244 | try
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| | 245 | if nargin < 3, subsType = obj.subsType.reference; end
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| | 246 |
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| | 247 | % Translate a table subscript object into actual subscripts,
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| | 248 | % take note of a colon object. The concrete dim class may have
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| | 249 | % already translated some kinds of subscript objects that need
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| | 250 | % dim-specific infomration to do the translation.
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| | 251 | isColonObj = false;
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| | 252 | if isobject(subscripts)
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| | 253 | if isa(subscripts,'matlab.internal.tabular.private.subscripter')
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| | 254 | subscripts = subscripts.getSubscripts(obj);
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| | 255 | end
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| | 256 | % The subscript may be a colonobj, or a timerange subscripter may return one.
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| | 257 | if isa(subscripts,'matlab.internal.ColonDescriptor')
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| | 258 | isColonObj = true;
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| | 259 | end
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| | 260 | end
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| | 261 |
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| | 262 | if isnumeric(subscripts) || islogical(subscripts) || isColonObj
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| | 263 | isLiteralColon = false;
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| | 264 | isLabels = false;
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| | 265 |
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| | 266 | % Leave numeric and logical indices alone.
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| | 267 | if isnumeric(subscripts)
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| | 268 | indices = subscripts(:);
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| | 269 | if any(isnan(indices))
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| | 270 | error(message('MATLAB:badsubscript',getString(message('MATLAB:badsubscriptTextRange'))));
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| | 271 | end
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| | 272 | numIndices = numel(indices);
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| | 273 | maxIndex = max(indices);
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| | 274 | elseif islogical(subscripts)
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| | 275 | indices = subscripts(:);
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| | 276 | numIndices = sum(indices);
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| | 277 | maxIndex = find(indices,1,'last');
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| | 278 | else % isColonObj
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| | 279 | indices = subscripts; % unexpanded
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| | 280 | numIndices = length(subscripts); %#ok<CPROPLC>
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| | 281 | maxIndex = double(subscripts.Stop);
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| | 282 | end
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| | 283 |
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| | 284 | subsTypes = obj.subsType;
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| | 285 | switch subsType
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| | 286 | case subsTypes.reference
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| | 287 | if maxIndex > obj.length
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| | 288 | obj.throwIndexOutOfRange();
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| | 289 | elseif nargout > 4
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| | 290 | updatedObj = obj.selectFrom(indices);
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| | 291 | end
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| | 292 | case subsTypes.assignment
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| | 293 | if nargout > 4
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| | 294 | if maxIndex > obj.length
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| | 295 | % Grow the dimension with default labels.
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| | 296 | updatedObj = obj.lengthenTo(maxIndex);
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| | 297 | else
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| | 298 | updatedObj = obj;
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| | 299 | end
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| | 300 | end
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| | 301 | case subsTypes.deletion
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| | 302 | if maxIndex > obj.length
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| | 303 | obj.throwIndexOutOfRange();
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| | 304 | elseif nargout > 4
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| | 305 | updatedObj = obj.deleteFrom(indices);
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| | 306 | end
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| | 307 | otherwise
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| | 308 | assert(false);
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| | 309 | end
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| | 310 |
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| | 311 | elseif isColon(subscripts)
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| | 312 | % Leave ':' alone. The : is evaluated with respect to the existing
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| | 313 | % dimension. Cases where : needs to be evaluated with respect to the
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| | 314 | % RHS of an assignment (i.e. assigning to a 0x0) need to be handled
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| | 315 | % elsewhere.
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| | 316 | isLiteralColon = true;
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| | 317 | isLabels = false;
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| | 318 | indices = subscripts;
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| | 319 | numIndices = obj.length;
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| | 320 | maxIndex = obj.length;
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| | 321 |
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| | 322 | if nargout > 4
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| | 323 | updatedObj = obj;
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| | 324 | end
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| | 325 |
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| | 326 | else % "native" subscripts, i.e. names or times
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| | 327 | isLiteralColon = false;
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| | 328 | isLabels = true;
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| | 329 |
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| | 330 | % Translate labels into indices.
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| | 331 | [subscripts,indices] = obj.validateNativeSubscripts(subscripts);
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| | 332 | numIndices = numel(indices);
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| | 333 | maxIndex = max(indices(:));
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| | 334 |
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| | 335 | subsTypes = obj.subsType;
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| | 336 | switch subsType
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| | 337 | case subsTypes.reference
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| | 338 | if nnz(indices) < numIndices
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| | 339 | if obj.requireUniqueLabels
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| | 340 | newLabels = unique(subscripts(~indices),'stable');
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| | 341 | obj.throwUnrecognizedLabel(newLabels(1));
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| | 342 | end
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| | 343 | indices = indices(indices>0);
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| | 344 | end
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| | 345 | if nargout > 4
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| | 346 | updatedObj = obj.selectFrom(indices);
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| | 347 | end
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| | 348 | case subsTypes.assignment
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| | 349 | if nnz(indices) < numIndices
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| | 350 | [newLabels,~,newIndices] = unique(subscripts(~indices),'stable');
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| | 351 | indices(~indices) = obj.length + newIndices;
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| | 352 | maxIndex = max(indices(:));
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| | 353 | if nargout > 4
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| | 354 | % The new labels are guaranteed be distinct from the existing
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| | 355 | % labels, otherwise the assignment would not need to
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| | 356 | % lengthen the dimension.
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| | 357 | updatedObj = obj.lengthenTo(maxIndex,newLabels);
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| | 358 | end
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| | 359 | elseif nargout > 4
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| | 360 | updatedObj = obj;
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| | 361 | end
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| | 362 | case subsTypes.deletion
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| | 363 | if nnz(indices) < numIndices
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| | 364 | newLabels = unique(subscripts(~indices),'stable');
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| | 365 | obj.throwUnrecognizedLabel(newLabels(1));
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| | 366 | elseif nargout > 4
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| | 367 | updatedObj = obj.deleteFrom(indices);
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| | 368 | end
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| | 369 | otherwise
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| | 370 | assert(false);
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| | 371 | end
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| | 372 | end
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| | 373 | if ~isColonObj
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| | 374 | indices = obj.orientAs(indices);
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| | 375 | end
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| | 376 | catch ME
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| | 377 | throwAsCaller(ME)
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| | 378 | end
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| | 379 | end
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| | 380 | end
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| | 381 |
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| | 382 | %===========================================================================
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| | 383 | methods (Access=protected)
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| | 384 | function obj = assignLabels(obj,newLabels,fullAssignment,indices)
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| | 385 | if fullAssignment
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| | 386 | if isvector(newLabels)
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| | 387 | % The number of new labels has to match what's being assigned to.
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| | 388 | if numel(newLabels) ~= obj.length
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| | 389 | obj.throwIncorrectNumberOfLabels();
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| | 390 | end
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| | 391 | obj.hasLabels = true;
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| | 392 | obj.labels = newLabels;
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| | 393 | else % a 0x0
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| | 394 | % Full assignment of a 0x0 clears out the existing labels, if allowed above by
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| | 395 | % the subclass's validateLabels.
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| | 396 | obj.labels = newLabels([]); % force a 0x0, for cosmetics
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| | 397 | obj.hasLabels = false;
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| | 398 | end
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| | 399 | else % subscripted assignment
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| | 400 | % The number of new labels has to match what's being assigned to.
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| | 401 | if numel(newLabels) ~= numel(indices)
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| | 402 | obj.throwIncorrectNumberOfLabelsPartial();
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| | 403 | end
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| | 404 | obj.labels(indices) = newLabels;
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| | 405 | end
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| | 406 | end
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| | 407 |
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| | 408 | %-----------------------------------------------------------------------
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| | 409 | function [subscripts,indices] = validateNativeSubscripts(obj,subscripts)
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| | 410 | import matlab.internal.datatypes.isText
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| | 411 |
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| | 412 | subscripts = convertStringsToChars(subscripts);
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| | 413 |
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| | 414 | % Default behavior assumes the labels are names, subclasses with
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| | 415 | % non-name labels need to overload.
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| | 416 | if ischar(subscripts) % already weeded out ':'
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| | 417 | if isrow(subscripts)
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| | 418 | subscripts = { subscripts };
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| | 419 | else
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| | 420 | obj.throwInvalidLabel();
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| | 421 | end
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| | 422 | elseif isText(subscripts,true) % require a cell array or string array, don't allow empty character vectors in it
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| | 423 | % Don't allow scalar missing string or "", and handle it the
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| | 424 | % same as ''.
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| | 425 | if isstring(subscripts) && isscalar(subscripts) && strlength(subscripts) < 1
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| | 426 | obj.throwInvalidLabel();
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| | 427 | end
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| | 428 | else
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| | 429 | obj.throwInvalidSubscripts();
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| | 430 | end
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| | 431 |
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| | 432 | indices = zeros(size(subscripts));
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| | 433 | labs = obj.labels;
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| | 434 | for i = 1:numel(indices)
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| | 435 | indFirstMatch = find(strcmp(subscripts{i},labs), 1);
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| | 436 | if indFirstMatch
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| | 437 | indices(i) = indFirstMatch;
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| | 438 | end
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| | 439 | end
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| | 440 | end
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| | 441 | end
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| | 442 |
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| | 443 | %===========================================================================
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| | 444 | methods (Access={?matlab.internal.tabular.private.tabularDimension, ?matlab.unittest.TestCase})
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| | 445 | function [tf,duplicated] = checkDuplicateLabels(obj,labels1,labels2,okLocs)
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| | 446 | %CHECKDUPLICATELABELS Check for duplicated names.
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| | 447 |
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| | 448 | % Check for any duplicate names in names1
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| | 449 | if nargin == 2 % checkDuplicateLabels(obj,labels1)
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| | 450 | % names1 is always a cellstr
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| | 451 | duplicated = false(size(labels1));
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| | 452 | [labels1Sorted,lids] = sort(labels1);
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| | 453 | duplicated(2:end) = strcmp(labels1Sorted(1:end-1),labels1Sorted(2:end));
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| | 454 | % Put duplicated back in the original order.
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| | 455 | duplicated(lids) = duplicated;
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| | 456 |
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| | 457 | % Check if any name in names1 is already in names2, except that
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| | 458 | % names1(i) may be at names2(okLocs(i)). This does not check if
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| | 459 | % names1 contains duplicates within itself
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| | 460 | elseif nargin == 4 % checkDuplicateLabels(obj,labels1,labels2,okLocs)
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| | 461 | % names2 is always a cellstr
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| | 462 | if ischar(labels1) % names1 is either a single character vector ...
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| | 463 | tmp = strcmp(labels1, labels2); tmp(okLocs) = false;
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| | 464 | duplicated = any(tmp);
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| | 465 | else % ... or a cell array of character vectors
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| | 466 | duplicated = false(size(labels1));
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| | 467 | for i = 1:length(labels1) %#ok<CPROPLC>
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| | 468 | tmp = strcmp(labels1{i}, labels2); tmp(okLocs(i)) = false;
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| | 469 | duplicated(i) = any(tmp);
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| | 470 | end
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| | 471 | end
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| | 472 |
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| | 473 | % Check if any name in names1 is already in names2. This does not check if
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| | 474 | % names1 contains duplicates within itself
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| | 475 | else % nargin==3, checkDuplicateLabels(obj,labels1,labels2) - least frequent syntax
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| | 476 | % names2 is always a cellstr
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| | 477 | if ischar(labels1) % names1 is either a single character vector ...
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| | 478 | duplicated = any(strcmp(labels1, labels2));
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| | 479 | else % ... or a cell array of character vectors
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| | 480 | duplicated = false(size(labels1));
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| | 481 | for i = 1:length(labels1) %#ok<CPROPLC>
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| | 482 | duplicated(i) = any(strcmp(labels1{i}, labels2));
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| | 483 | end
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| | 484 | end
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| | 485 |
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| | 486 |
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| | 487 | end
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| | 488 |
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| | 489 | tf = any(duplicated);
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| | 490 |
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| | 491 | if tf && obj.requireUniqueLabels && (nargout == 0)
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| | 492 | allDups = labels1(duplicated);
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| | 493 | throwAsCaller(MException(message(obj.DuplicateLabelExceptionID,allDups{1}))); % Report the first dup in the message
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| | 494 | end
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| | 495 | end
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| | 496 | end
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| | 497 |
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| | 498 | %===========================================================================
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| | 499 | methods (Static)
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| | 500 | function conflicts = checkReservedNamesImpl(labels,reservedNames)
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| | 501 | %CHECKRESERVEDNAMES Check if variable names conflict with reserved names.
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| | 502 | conflicts = matches(labels,reservedNames);
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| | 503 | end
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| | 504 | end
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| | 505 |
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| | 506 | %===========================================================================
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| | 507 | methods (Abstract)
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| | 508 | labels = defaultLabels(indices);
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| | 509 | obj = lengthenTo(obj,maxIndex,newLabels)
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| | 510 | s = getProperties(obj)
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| | 511 | end
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| | 512 |
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| | 513 | %===========================================================================
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| | 514 | methods (Abstract, Access=protected)
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| | 515 | obj = validateAndAssignLabels(obj,newLabels,indices,fullAssignment,fixDups,fixEmpties,fixIllegal)
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| | 516 | obj = makeUniqueForRepeatedIndices(obj,indices)
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| | 517 |
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| | 518 | throwRequiresLabels(obj)
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| | 519 | throwIncorrectNumberOfLabels(obj)
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| | 520 | throwIncorrectNumberOfLabelsPartial(obj)
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| | 521 | throwIndexOutOfRange(obj)
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| | 522 | throwUnrecognizedLabel(obj,label)
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| | 523 | throwInvalidLabel(obj)
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| | 524 | throwInvalidSubscripts(obj)
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| | 525 | end
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| | 526 |
|
| | 527 | %===========================================================================
|
| | 528 | methods (Abstract, Static, Access=protected)
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| | 529 | x = orientAs(x); % Reshape x as a vector in the specified orientation
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| | 530 | end
|
| | 531 | end
|
| | 532 |
|