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classdef Reader < handle
properties
tokens
position
end
methods
function rdr = Reader(tokens)
rdr.tokens = tokens;
rdr.position = 1;
end
function tok = next(rdr)
rdr.position = rdr.position + 1;
if rdr.position-1 > length(rdr.tokens)
tok = false;
else
tok = rdr.tokens{rdr.position-1};
end
end
function tok = peek(rdr)
if rdr.position > length(rdr.tokens)
tok = false;
else
tok = rdr.tokens{rdr.position};
end
end
end
end
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