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annotate +util/ReplaceableString.m @ 130:9797a74a94ec

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Added a class for replacable strings. Works with linebreaks.
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 04 Feb 2016 16:29:03 +0100
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children 26e047194383
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130
9797a74a94ec Added a class for replacable strings. Works with linebreaks.
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1 classdef ReplaceableString < handle
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2 properties
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3 n
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4 fmt
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5 param
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6 end
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7
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8 methods
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9 function obj = ReplaceableString(fmt, varargin)
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10 default_arg('fmt', '');
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11 obj.n = 0;
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13 obj.setFormat(fmt);
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14 obj.param = varargin;
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15 end
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17 function setFormat(obj, fmt)
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18 obj.fmt = fmt;
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19 end
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20
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21 function update(obj, fmt, varargin)
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22 obj.setFormat(fmt);
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23 obj.param = varargin;
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25 obj.display();
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26 end
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28 function updateParam(obj, varargin)
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29 obj.param = varargin;
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30 obj.display();
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31 end
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32
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33 function display(obj)
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34 reverseStr = repmat(sprintf('\b'), 1, obj.n);
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35 newStr = padStr(sprintf(obj.fmt, obj.param{:}),obj.n);
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36 fprintf([reverseStr, newStr]);
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37
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38 obj.n = length(newStr);
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39 end
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40 end
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42 end
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43
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44 function b = padStr(a, n)
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45 b = sprintf('%-*s', n, a);
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46 end