view Map.m @ 1037:2d7ba44340d0 feature/burgers1d

Pass scheme specific parameters as cell array. This will enabale constructDiffOps to be more general. In addition, allow for schemes returning function handles as diffOps, which is currently how non-linear schemes such as Burgers1d are implemented.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 18 Jan 2019 09:02:02 +0100
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