view Map.m @ 1198:2924b3a9b921 feature/d2_compatible

Add OpSet for fully compatible D2Variable, created from regular D2Variable by replacing d1 by first row of D1. Formal reduction by one order of accuracy at the boundary point.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 16 Aug 2019 14:30:28 -0700
parents a6c5e73ff44e
children
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classdef Map < handle
    properties
        map
    end

    % can we support multi map using varargin?
    % probably a bad idea. For example it complicates keys();

    methods
        function obj = Map()
            obj.map = containers.Map();
        end

        function set(obj, k, v)
            keyByteStream = getByteStreamFromArray(k);

            obj.map(char(keyByteStream)) = v;
        end

        function v = get(obj, k)
            keyByteStream = getByteStreamFromArray(k);

            v = obj.map(char(keyByteStream));
        end

        function b = isKey(obj, k)
            keyByteStream = getByteStreamFromArray(k);
            b = obj.map.isKey(char(keyByteStream));
        end

        function c = keys(obj)
            keyByteStreams = obj.map.keys;

            n = length(keyByteStreams);

            c = cell(1, n);
            for i = 1:n
                c{i} = getArrayFromByteStream(uint8(keyByteStreams{i}));
            end
        end

        function l = length(obj)
            l = obj.map.length;
        end

        function remove(obj, k)
            keyByteStream = getByteStreamFromArray(k);
            obj.map.remove(char(keyByteStream));
        end

        function s = size(obj)
            s = obj.map.size;
        end

        function c = values(obj)
            c = obj.map.values;
        end

        function v = subsref(obj, S)
            switch S(1).type
                case '()'
                    if length(S.subs) > 1
                        error('sbplib:Map:multipleKeys', 'Multiple dimensions are not supported. Use a cell array as a key instead.');
                    end
                    k = S.subs{1};
                    try
                        v = get(obj, k);
                    catch ME
                        if strcmp(ME.identifier,'MATLAB:Containers:Map:NoKey')
                            error('Reference to non-existent entry %s',toString(S.subs));
                        else
                            throw(ME);
                        end
                    end
                otherwise
                    try
                        v = builtin('subsref', obj, S);
                    catch e
                        error('You can''t use dot notation for this because Matlab(TM). What is this piece of shit software anyway?')
                    end
            end
        end

        function obj = subsasgn(obj, S, v);
            switch S(1).type
                case '()'
                    if length(S.subs) > 1
                        error('sbplib:Map:multipleKeys', 'Multiple dimensions are not supported. Use a cell array as a key instead.');
                    end
                    k = S.subs{1};
                    set(obj, k, v);
                otherwise
                    error('You can''t use dot notation because Matlab(TM). What is this piece of shit software anyway?')
            end
        end
    end
end