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annotate Map.m @ 415:16907bf31e67 feature/better_map

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Overload indexing operations.
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 02 Feb 2017 16:22:47 +0100
parents 50fd7e88aa74
children e97550b5c1e7
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414
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1 classdef Map < handle
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2 properties
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3 map
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4 end
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5
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6 % can we support multi map using varargin?
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7
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8 methods
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9 function obj = Map()
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10 obj.map = containers.Map()
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11 end
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12
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13 function set(obj, k, v)
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14 keyByteStream = getByteStreamFromArray(k);
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15
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16 obj.map(char(keyByteStream)) = v;
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17 end
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18
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19 function v = get(obj, k)
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20 keyByteStream = getByteStreamFromArray(k);
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21
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22 v = obj.map(char(keyByteStream));
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23 end
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24
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25 function b = isKey(obj, k)
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26 keyByteStream = getByteStreamFromArray(k);
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27 b = obj.map.isKey(keyByteStream);
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28 end
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29
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30 function c = keys(obj)
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31 keyByteStreams = obj.map.keys;
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32
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33 n = length(keyByteStreams);
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34
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35 c = cell(1, n);
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36 for i = 1:n
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37 c{i} = getArrayFromByteStream(uint8(keyByteStreams{i}));
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38 end
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39 end
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40
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41 function l = length(obj)
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42 l = obj.map.length;
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43 end
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44
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45 function remove(obj, k)
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46 keyByteStream = getByteStreamFromArray(k);
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47 obj.map.remove(char(keyByteStream));
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48 end
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49
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50 function s = size(obj)
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51 s = obj.map.size;
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52 end
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53
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54 function c = values(obj)
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55 c = obj.map.values;
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56 end
415
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57
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58 function v = subsref(obj, S)
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59 switch S.type
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60 case '()'
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61 k = S.subs;
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62 try
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63 v = obj.get(k);
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64 catch ME
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65 if strcmp(ME.identifier,'MATLAB:Containers:Map:NoKey')
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66 error('Reference to non-existent entry %s',toString(S.subs));
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67 else
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68 throw(ME);
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69 end
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70 end
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71 otherwise
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72 v = builtin('subsref', obj, S);
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73 end
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74 end
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75
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76 function obj = subsasgn(obj, S, v);
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77 switch S.type
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78 case '()'
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79 k = S.subs;
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80 obj.set(k, v);
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81 otherwise
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82 error('Unsupported indexing operator: %s',S.type);
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83 end
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84 end
414
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85 end
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86 end